---@class GW2
local GW = select(2, ...)
local lerp = GW.lerp
local RoundInt = GW.RoundInt
local animations = GW.animations

local CPWR_FRAME

local playerAuras = {buffs = {}, debuffs = {}}
local petAuras = {buffs = {}, debuffs = {}}

local staggerTextColors = {
    {r = 0.4, g = 0.9, b = 0.4},
    {r = 0.95, g = 0.85, b = 0.3},
    {r = 0.9, g = 0.4, b = 0.4}
}

local function HandleUnitAuraEvent(unit, ...)
    local auraUpdateInfo = ...
    local isFullUpdate = not auraUpdateInfo or auraUpdateInfo.isFullUpdate
    local buffsChanged = false
    local debuffsChanged = false
    local dataTable = unit == "pet" and petAuras or unit == "player" and playerAuras or nil
    if not dataTable then return end

    if isFullUpdate then
        table.wipe(dataTable.buffs)
        table.wipe(dataTable.debuffs)
        local slots = {C_UnitAuras.GetAuraSlots(unit, "HELPFUL")}
        for i = 2, #slots do -- #1 return is continuationToken, we don't care about it
            local data = C_UnitAuras.GetAuraDataBySlot(unit, slots[i])

            if data and data.name then
                dataTable.buffs[data.auraInstanceID] = data
            end
        end

        slots = {C_UnitAuras.GetAuraSlots(unit, "HARMFUL")}
        for i = 2, #slots do -- #1 return is continuationToken, we don't care about it
            local data = C_UnitAuras.GetAuraDataBySlot(unit, slots[i])

            if data and data.name then
                dataTable.debuffs[data.auraInstanceID] = data
            end
        end
    else
        if auraUpdateInfo.addedAuras then
            for _, data in next, auraUpdateInfo.addedAuras do
                if (data.isHelpful and not C_UnitAuras.IsAuraFilteredOutByInstanceID(unit, data.auraInstanceID, "HELPFUL")) then
                    if data and data.name then
                        dataTable.buffs[data.auraInstanceID] = data
                        buffsChanged = true
                    end
                elseif (data.isHarmful and not C_UnitAuras.IsAuraFilteredOutByInstanceID(unit, data.auraInstanceID, "HARMFUL")) then
                    if data and data.name then
                        dataTable.debuffs[data.auraInstanceID] = data
                        debuffsChanged = true
                    end
                end
            end
        end

        if auraUpdateInfo.updatedAuraInstanceIDs then
            for _, auraInstanceID in next, auraUpdateInfo.updatedAuraInstanceIDs do
                if(dataTable.buffs[auraInstanceID]) then
                    dataTable.buffs[auraInstanceID] = C_UnitAuras.GetAuraDataByAuraInstanceID(unit, auraInstanceID)
                    buffsChanged = true
                elseif(dataTable.debuffs[auraInstanceID]) then
                    dataTable.debuffs[auraInstanceID] = C_UnitAuras.GetAuraDataByAuraInstanceID(unit, auraInstanceID)
                    debuffsChanged = true
                end
            end
        end

        if auraUpdateInfo.removedAuraInstanceIDs then
            for _, auraInstanceID in next, auraUpdateInfo.removedAuraInstanceIDs do
                if(dataTable.buffs[auraInstanceID]) then
                    dataTable.buffs[auraInstanceID] = nil
                    buffsChanged = true
                elseif(dataTable.debuffs[auraInstanceID]) then
                    dataTable.debuffs[auraInstanceID] = nil
                    debuffsChanged = true
                end
            end
        end
    end

    if buffsChanged or debuffsChanged or isFullUpdate then
        EventRegistry:TriggerEvent("GW2_UI.ClasspowerPlayerUnitAura", unit, dataTable)
    end
end

local function UpdateAlphaFader(alpha)
    for _, frame in ipairs({
        CPWR_FRAME,
        CPWR_FRAME.customResourceBar,
        CPWR_FRAME.customResourceBar,
        CPWR_FRAME.customResourceBar.decay,
        CPWR_FRAME.lmb,
        CPWR_FRAME.lmb.decay,
        CPWR_FRAME.lmbSecret,
        CPWR_FRAME.exbar,
        CPWR_FRAME.exbar.decay,
        CPWR_FRAME.exbarSecret
    }) do
        if frame then
            GW.SetAlphaRecursive(frame, alpha)
        end
    end
end

local function UpdateVisibility(self, inCombat)
    local shouldBeVisible = self.shouldShowBar and (not self.onlyShowInCombat or inCombat)
    local targetAlpha = shouldBeVisible and 1 or 0

    if self.shouldShowBar and GW.settings.PLAYER_AS_TARGET_FRAME and GwPlayerUnitFrame.Fader and GwPlayerUnitFrame.Fader:IsEnabled() then
        targetAlpha = GwPlayerUnitFrame.Fader.currentAlpha
    end

    for _, frame in ipairs({
        self,
        self.customResourceBar,
        self.customResourceBar,
        self.customResourceBar.decay,
        self.lmb,
        self.lmb.decay,
        self.lmbSecret,
        self.exbar,
        self.exbar.decay,
        self.exbarSecret
    }) do
        if frame then
            GW.SetAlphaRecursive(frame, targetAlpha)
        end
    end
end

local VALID_CLASSPOWER_ANCHOR_MODES = {
    DEFAULT = true,
    CENTER = true,
    LEFT = true,
    RIGHT = true
}

local VALID_CLASSPOWER_CUSTOM_RESOURCEBAR_SIDES = {
    AUTO = true,
    LEFT = true,
    RIGHT = true
}

function GW.GetClassPowerAnchorMode()
    local mode = GW.settings.CLASSPOWER_ANCHOR_MODE
    if mode and VALID_CLASSPOWER_ANCHOR_MODES[mode] then
        return mode
    end

    return "DEFAULT"
end

function GW.GetClassPowerAnchorPoint(defaultPoint)
    local mode = GW.GetClassPowerAnchorMode()
    if mode == "DEFAULT" then
        return defaultPoint or "TOPLEFT"
    end

    return mode
end

function GW.GetClassPowerCustomResourceBarSide()
    local side = GW.settings.CLASSPOWER_CUSTOMRESOURCEBAR_SIDE
    if not (side and VALID_CLASSPOWER_CUSTOM_RESOURCEBAR_SIDES[side]) then
        side = "AUTO"
    end

    if side ~= "AUTO" then
        return side
    end

    local anchorMode = GW.GetClassPowerAnchorMode()
    if anchorMode == "RIGHT" then
        return "LEFT"
    elseif anchorMode == "LEFT" then
        return "RIGHT"
    end

    return "RIGHT"
end

local function GetClassPowerCustomResourceBarGap(fallback)
    local gap = GW.settings.CLASSPOWER_CUSTOMRESOURCEBAR_GAP
    if type(gap) ~= "number" then
        gap = fallback or 4
    end

    return gap
end

local function SetClassPowerAnchor(frame, mover, defaultPoint, xOfs, yOfs, relativePoint)
    if not frame or not mover then
        return
    end

    local point = GW.GetClassPowerAnchorPoint(defaultPoint)
    local finalX = xOfs or 0
    local finalY = yOfs or 0

    if CPWR_FRAME and mover == CPWR_FRAME.gwMover then
        finalX = finalX + (GW.settings.CLASSPOWER_ANCHOR_OFFSET_X or 0)
        finalY = finalY + (GW.settings.CLASSPOWER_ANCHOR_OFFSET_Y or 0)
    end

    frame:ClearAllPoints()
    frame:SetPoint(point, mover, relativePoint or point, finalX, finalY)
end

local function SetClassPowerCustomResourceBarAnchor(bar, mover, ownerFrame, yOfs, leftXOfs, rightXOfs, edgeGap)
    if not bar or not mover then
        return
    end

    local side = GW.GetClassPowerCustomResourceBarSide()
    local anchorMode = GW.GetClassPowerAnchorMode()
    local configuredWidth = bar:GetWidth()
    bar:ClearAllPoints()

    -- In CENTER mode keep the bar inside mover bounds and shrink it to available side space.
    local gap = GetClassPowerCustomResourceBarGap(edgeGap or 4)
    if anchorMode == "CENTER" and ownerFrame and ownerFrame:IsShown() then
        local moverWidth = mover.GetWidth and mover:GetWidth() or 312
        local ownerWidth = ownerFrame.GetWidth and ownerFrame:GetWidth() or 0
        local availableWidth = math.max(1, math.floor(((moverWidth - ownerWidth) * 0.5) - gap))
        bar:SetWidth(math.min(configuredWidth, availableWidth))

        if side == "LEFT" then
            bar:SetPoint("LEFT", mover, "LEFT", leftXOfs or 0, yOfs or 0)
        else
            bar:SetPoint("RIGHT", mover, "RIGHT", rightXOfs or 2, yOfs or 0)
        end
        return
    end

    bar:SetWidth(configuredWidth)
    if side == "LEFT" then
        bar:SetPoint("LEFT", mover, "LEFT", leftXOfs or 0, yOfs or 0)
    else
        bar:SetPoint("RIGHT", mover, "RIGHT", rightXOfs or 2, yOfs or 0)
    end
end

local function SetWarlockResourceAnchors(owner)
    if not owner or not owner.warlock then
        return
    end

    -- Main shard block follows the classpower anchor mode, not the custom resource side.
    SetClassPowerAnchor(owner.warlock, owner, "LEFT")

    if GW.myspec == 3 and owner.warlock.shardFragment then
        local side = GW.GetClassPowerCustomResourceBarSide()
        local gap = GetClassPowerCustomResourceBarGap(4)
        owner.warlock.shardFragment:ClearAllPoints()
        if side == "LEFT" then
            owner.warlock.shardFragment:SetPoint("RIGHT", owner.warlock, "LEFT", -gap, 0)
        else
            owner.warlock.shardFragment:SetPoint("LEFT", owner.warlock, "RIGHT", gap, 0)
        end
    end
end

local function updateVisibilitySetting(self, updateVis)
    self.onlyShowInCombat = GW.settings.CLASSPOWER_ONLY_SHOW_IN_COMBAT
    if self.onlyShowInCombat then
        self.decay:RegisterEvent("PLAYER_REGEN_ENABLED")
        self.decay:RegisterEvent("PLAYER_REGEN_DISABLED")
    else
        self.decay:UnregisterEvent("PLAYER_REGEN_ENABLED")
        self.decay:UnregisterEvent("PLAYER_REGEN_DISABLED")
    end
    if updateVis then
        UpdateVisibility(self, false)
    end
end
GW.UpdateClassPowerVisibilitySetting = updateVisibilitySetting

local function AnimationStagger(self)
    local fill = self:GetFillAmount()

    local yellow = lerp(0, 1, fill / 0.5)
    local red = lerp(0, 1, (fill - 0.5) / 0.5)
    self.intensity:SetAlpha(yellow)
    self.intensity2:SetAlpha(red)

    self.scrollTexture:SetAlpha(lerp(0, 1, (fill - 0.5) / 0.5))
    self.scrollTexture2:SetAlpha(lerp(0, 1, (fill - 0.5) / 0.5))
    self.scrollSpeedMultiplier = lerp(-1, -10, fill)
end
---Styling for powerbars
local function setPowerTypePaladinShield(self)
    self:SetStatusBarTexture("Interface/Addons/GW2_UI/textures/bartextures/bloster.png")
    self.spark:SetTexture("Interface/Addons/GW2_UI/textures/bartextures/spark.png")
    self.runeoverlay:SetTexture("Interface/Addons/GW2_UI/textures/bartextures/bloster-intensity.png")
    self.runeoverlay:SetAlpha(1)
    self.spark:SetBlendMode("ADD")
    self.spark:SetAlpha(0.3)
    self.customMaskSize = 30
end
local function setPowerTypeEbonMight(self)
    self:SetStatusBarTexture("Interface/Addons/GW2_UI/textures/bartextures/agu.png")
    self.scrollTexture:SetTexture("Interface/Addons/GW2_UI/textures/bartextures/agu-intensity.png", "REPEAT")
    self.scrollTexture2:SetTexture("Interface/Addons/GW2_UI/textures/bartextures/agu-intensity2.png", "REPEAT")
    self.spark:SetTexture("Interface/Addons/GW2_UI/textures/bartextures/furyspark.png")
    self.animator:SetScript("OnUpdate", function(_, delta) self:ScrollTextureParalaxOnUpdate(delta) end)
    self.scrollTexture:SetAlpha(1)
    self.scrollTexture2:SetAlpha(1)
    self.scrollTexture:SetBlendMode("ADD")

    self.spark:SetAlpha(1)
    self.scrollSpeedMultiplier = -5
end
local function setPowerTypeMeta(self, lightVersion)
    self:SetStatusBarTexture("Interface/Addons/GW2_UI/textures/bartextures/fury.png")

    if lightVersion then return end
    self.scrollTexture:SetTexture("Interface/Addons/GW2_UI/textures/bartextures/meta-intensity.png", "REPEAT")
    self.scrollTexture2:SetTexture("Interface/Addons/GW2_UI/textures/bartextures/meta-intensity2.png", "REPEAT")
    self.spark:SetTexture("Interface/Addons/GW2_UI/textures/bartextures/furyspark.png")
    self.animator:SetScript("OnUpdate", function(_, delta) self:ScrollTextureParalaxOnUpdate(delta) end)
    self.scrollTexture:SetAlpha(1)
    self.scrollTexture2:SetAlpha(1)
    self.spark:SetAlpha(0.5)
    self.scrollSpeedMultiplier = 5
end
local function setPowerTypeStagger(self)
    self:SetStatusBarTexture("Interface/Addons/GW2_UI/textures/bartextures/stagger.png")
    self.spark:SetTexture("Interface/Addons/GW2_UI/textures/bartextures/furyspark.png")
    self.spark:SetAlpha(0.5)

    if GW.Retail then return end
    self.scrollTexture:SetTexture("Interface/Addons/GW2_UI/textures/bartextures/stagger-scroll.png", "REPEAT")
    self.scrollTexture2:SetTexture("Interface/Addons/GW2_UI/textures/bartextures/stagger-scroll2.png", "REPEAT")
    self.intensity:SetTexture("Interface/Addons/GW2_UI/textures/bartextures/stagger-intensity.png")
    self.intensity2:SetTexture("Interface/Addons/GW2_UI/textures/bartextures/stagger-intensity2.png")
    self.animator:SetScript("OnUpdate", function(_, delta) self:ScrollTextureParalaxOnUpdate(delta) end)
    self.scrollTexture:SetAlpha(0)
    self.scrollTexture2:SetAlpha(0)

    self.scrollSpeedMultiplier = -1
    self.onUpdateAnimation = AnimationStagger
end

local function updateTextureBasedOnCondition(self)
    if GW.myClassID == 9 then           -- Warlock
        -- Hook green fire
        if GW.IsSpellKnown(101508) then -- check for spell id 101508
            self.warlock.shardFlare:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/soulshardflare-green.png")
            self.warlock.shardFragment.barFill:SetTexture(
                "Interface/AddOns/GW2_UI/textures/altpower/soulshardfragmentbarfill-green.png")
            for i = 1, 5 do
                self.warlock["shard" .. i]:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/soulshard-green.png")
            end
        else
            local textureShardFlare = self.useRedTexture and
                "Interface/AddOns/GW2_UI/textures/altpower/soulshardflare-red.png" or
                "Interface/AddOns/GW2_UI/textures/altpower/soulshardflare.png"
            local textureShardFragmentFill = self.useRedTexture and
                "Interface/AddOns/GW2_UI/textures/altpower/soulshardfragmentbarfill-red.png" or
                "Interface/AddOns/GW2_UI/textures/altpower/soulshardfragmentbarfill.png"
            local textureShardShard = self.useRedTexture and "Interface/AddOns/GW2_UI/textures/altpower/soulshard-red.png" or
                "Interface/AddOns/GW2_UI/textures/altpower/soulshard.png"

            self.warlock.shardFlare:SetTexture(textureShardFlare)
            self.warlock.shardFragment.barFill:SetTexture(textureShardFragmentFill)
            for i = 1, 5 do
                self.warlock["shard" .. i]:SetTexture(textureShardShard)
            end
        end
    end
end

local function animFlarePoint(f, point, duration)
    local ff = f.flare
    ff:ClearAllPoints()
    ff:SetPoint("CENTER", point, "CENTER", 0, 0)
    GW.AddToAnimation(
        "POWER_FLARE_ANIM",
        1,
        0,
        GetTime(),
        duration,
        function(p)
            p = math.min(1, math.max(0, p))
            ff:SetAlpha(p)
        end
    )
end

local function animFlare(f, scale, offset, duration, rotate)
    scale = scale or 32
    offset = offset or 0
    duration = duration or 0.5
    rotate = rotate or false
    local ff = f.flare
    local pwr = f.gwPower
    ff:ClearAllPoints()
    ff:SetPoint("CENTER", f, "LEFT", (scale * pwr) + offset, 0)
    GW.AddToAnimation(
        "POWER_FLARE_ANIM",
        1,
        0,
        GetTime(),
        duration,
        function(p)
            p = math.min(1, math.max(0, p))
            ff:SetAlpha(p)
            if rotate then
                ff:SetRotation(1 * p)
            end
        end
    )
end

local function GetAuraData(unit, unitSource, filter, ...)
    local searchIDs = {}
    local results = {}
    local multipleIds = select("#", ...) > 1
    for i = 1, select("#", ...) do
        searchIDs[select(i, ...)] = true
    end

    if (unit == "player" or unit == "pet") and filter == "HELPFUL" then
        for _, auraData in pairs((unit == "player" and playerAuras.buffs) or (unit == "pet" and petAuras.buffs) or {}) do
            if searchIDs[auraData.spellId] then
                results[#results + 1] = auraData
            end
        end
    elseif (unit == "player" or unit == "pet") and filter == "HARMFUL" then
        for _, auraData in pairs((unit == "player" and playerAuras.debuffs) or (unit == "pet" and petAuras.debuffs) or {}) do
            if searchIDs[auraData.spellId] then
                results[#results + 1] = auraData
            end
        end
    elseif unitSource and filter == "HARMFUL" then
        for i = 1, 40 do
            local auraData = C_UnitAuras.GetDebuffDataByIndex(unit, i)

            if auraData and (unitSource == auraData.sourceUnit and searchIDs[auraData.spellId]) then
                return auraData
            elseif not auraData then
                break
            end
        end
    end

    if multipleIds then
        return #results > 0 and results or nil
    else
        return #results > 0 and results[1] or nil
    end
end

-- MANA (multi class use)
local function powerMana(self, event, ...)
    local ptype = select(2, ...)
    if event == "CLASS_POWER_INIT" or ptype == "MANA" then
        if GW.Retail then
            self.exbarSecret:UpdatePowerData(0, ptype)
        else
            self.exbar:UpdatePowerData(0, ptype)
        end

        C_Timer.After(0.12, function()
            if GwPlayerPowerBar and GwPlayerPowerBar.powerType == 0 then
                self.exbar:Hide()
                self.exbar.decay:Hide()
                self.exbarSecret:Hide()
            else
                if self.barType == "mana" then
                    if GW.Retail then
                        self.exbarSecret:Show()
                    else
                        self.exbar:Show()
                        self.exbar.decay:Show()
                    end
                end
            end
        end)
    end
end

local function powerLittleMana(self, event, ...)
    local ptype = select(2, ...)
    if event == "CLASS_POWER_INIT" or ptype == "MANA" then
        if GW.Retail then
            self:GetParent().lmbSecret:UpdatePowerData(0, "MANA")
        else
            self:GetParent().lmb:UpdatePowerData(0, "MANA")
        end
    end
end

local function setManaBar(f)
    f.barType = "mana"
    f.background:SetTexture(nil)
    f.fill:SetTexture(nil)
    if GW.Retail then
        f.exbarSecret:Show()
    else
        f.exbar:Show()
    end
    f:SetHeight(14)

    local yOfs = 0
    if GW.GetClassPowerAnchorMode() == "DEFAULT" then
        yOfs = (GW.settings.XPBAR_ENABLED or f.isMoved) and -13 or -3
    end
    SetClassPowerAnchor(f, f.gwMover, "TOPLEFT", 0, yOfs)

    f:SetScript("OnEvent", powerMana)
    C_Timer.After(0.5, function() powerMana(f, "CLASS_POWER_INIT") end)
    f:RegisterUnitEvent("UNIT_MAXPOWER", "player")
    f:RegisterUnitEvent("UNIT_POWER_FREQUENT", "player")
end

local function setLittleManaBar(f, barType)
    f.barType = barType -- used in druid feral form and evoker ebon might bar
    if GW.Retail then
        f.lmbSecret:Show()
    else
        f.lmb:Show()
        f.lmb.decay:Show()
    end

    f.littleManaBarEventFrame:SetScript("OnEvent", powerLittleMana)
    powerLittleMana(f.littleManaBarEventFrame, "CLASS_POWER_INIT")
    f.littleManaBarEventFrame:RegisterUnitEvent("UNIT_MAXPOWER", "player")
    f.littleManaBarEventFrame:RegisterUnitEvent("UNIT_POWER_FREQUENT", "player")
end


-- COMBO POINTS (multi class use)
local function powerCombo(self, event, ...)
    local pType = select(2, ...)
    if event ~= "CLASS_POWER_INIT" and pType ~= "COMBO_POINTS" then
        return
    end

    local pwrMax = UnitPowerMax("player", Enum.PowerType.ComboPoints)
    local pwr = UnitPower("player", Enum.PowerType.ComboPoints)
    local chargedPowerPoints = GetUnitChargedPowerPoints and GetUnitChargedPowerPoints("player") or {}
    local comboPoints = GetComboPoints(self.unit, "target")

    if self.unit == "vehicle" then
        if comboPoints == 0 then
            self.combopoints:Hide()
            return
        else
            self.combopoints:Show()
        end
    end

    local old_power = self.gwPower
    local showPoint = false
    self.gwPower = pwr

    if pwr > 0 and not self:IsShown() and UnitExists("target") then
        self.combopoints:Show()
    end

    if pwrMax == 6 or pwrMax == 9 then
        self.showExtraPoint = 7
    else
        self.showExtraPoint = pwrMax
    end

    local slotsToAnchor = self.showExtraPoint or pwrMax
    if slotsToAnchor and slotsToAnchor > 0 then
        local comboWidth = slotsToAnchor * 32
        self.combopoints:SetWidth(comboWidth)
        self:SetWidth(comboWidth)
        SetClassPowerAnchor(self.combopoints, self, "LEFT")
    end

    -- hide all not needed ones
    for i = pwrMax + 1, 9 do
        self.combopoints["runeTex" .. i]:Hide()
        self.combopoints["combo" .. i]:Hide()
    end

    for i = 1, self.showExtraPoint do
        local isCharged = chargedPowerPoints and tContains(chargedPowerPoints, i)
        if isCharged then
            self.combopoints["combo" .. i]:SetTexCoord(0, 0.5, 0.5, 1)
        else
            self.combopoints["combo" .. i]:SetTexCoord(0.5, 1, 0.5, 0)
        end

        if i >= self.showExtraPoint and pwr >= self.showExtraPoint then -- only show the extra point if we have it
            showPoint = true
        elseif i >= self.showExtraPoint and pwr < self.showExtraPoint then
            showPoint = false
        elseif i < self.showExtraPoint and pwr >= i then
            showPoint = true
        else
            showPoint = false
        end

        self.combopoints["runeTex" .. i]:SetShown((i < self.showExtraPoint or i <= pwrMax or showPoint))
        self.combopoints["combo" .. i]:SetShown(showPoint)
        self.combopoints.comboFlare:ClearAllPoints()
        self.combopoints.comboFlare:SetPoint("CENTER", self.combopoints["combo" .. i], "CENTER", 0, 0)
        if pwr > old_power then
            self.combopoints.comboFlare:SetShown(showPoint)
            if showPoint then
                GW.AddToAnimation(
                    "COMBOPOINTS_FLARE",
                    0,
                    5,
                    GetTime(),
                    0.5,
                    function(p)
                        p = math.min(1, math.max(0, p))
                        self.combopoints.comboFlare:SetAlpha(p)
                    end,
                    nil,
                    function()
                        self.combopoints.comboFlare:Hide()
                    end
                )
            end
        end
    end
end

local function setComboBar(f)
    SetClassPowerAnchor(f, f.gwMover, "TOPLEFT")
    f.barType = "combo"
    f.background:SetTexture(nil)
    f.fill:SetTexture(nil)
    f.combopoints:SetWidth(9 * 32)
    f:SetWidth(f.combopoints:GetWidth())
    f:SetHeight(32)
    SetClassPowerAnchor(f.combopoints, f, "LEFT")
    f.combopoints:Show()

    f:SetScript("OnEvent", powerCombo)
    powerCombo(f, "CLASS_POWER_INIT")
    f:RegisterUnitEvent("UNIT_MAXPOWER", "player")
    f:RegisterUnitEvent("UNIT_POWER_FREQUENT", "player")
end

local function powerEclipsOnUpdate(self)
    local pwrMax = UnitPowerMax(self.unit, Enum.PowerType.Balance)
    local pwr = UnitPower(self.unit, Enum.PowerType.Balance)
    if self.oldEclipsPower == pwr then
        return
    end

    GW.AddToAnimation(
        "ECLIPS_BAR",
        self.oldEclipsPower,
        pwr,
        GetTime(),
        0.2,
        function(p)
            local pwrP = p / pwrMax
            local pwrAbs = math.abs(p) / pwrMax
            local segmentSize = self.eclips:GetWidth() / 2
            local arrowPosition = segmentSize * pwrP

            local clampedArrowPosition = math.max(math.min(arrowPosition, segmentSize - 9), -segmentSize + 9)
            self.eclips.arrow:SetPoint("CENTER", self.background, "CENTER", clampedArrowPosition, 0)
            self.eclips.fill:ClearAllPoints()
            if p > 0 then
                self.eclips.fill:SetPoint("LEFT", self.background, "CENTER", 0, 0)
                self.eclips.fill:SetPoint("RIGHT", self.background, "CENTER", arrowPosition, 0)
                self.eclips.fill:SetTexCoord(0, math.max(0, math.min(pwrAbs, 1)), 0, 1)
            else
                self.eclips.fill:SetPoint("LEFT", self.background, "CENTER", arrowPosition, 0)
                self.eclips.fill:SetPoint("RIGHT", self.background, "CENTER", 0, 0)
                self.eclips.fill:SetTexCoord(0, math.max(0, math.min(pwrAbs, 1)), 0, 1)
            end
            self.oldEclipsPower = p
        end
    )
end

local function eclipsUnitAura()
    local hasLunarEclipse = GetAuraData("player", nil, "HELPFUL", ECLIPSE_BAR_LUNAR_BUFF_ID) ~= nil
    local hasSolarEclipse = GetAuraData("player", nil, "HELPFUL", ECLIPSE_BAR_SOLAR_BUFF_ID) ~= nil
    if hasLunarEclipse then
        CPWR_FRAME.eclips.lunar:Show()
        CPWR_FRAME.eclips.solar:Hide()
    elseif hasSolarEclipse then
        CPWR_FRAME.eclips.lunar:Hide()
        CPWR_FRAME.eclips.solar:Show()
    else
        CPWR_FRAME.eclips.lunar:Hide()
        CPWR_FRAME.eclips.solar:Hide()
    end
end

local function powerEclips(self, event, ...)
    if event == "ECLIPSE_DIRECTION_CHANGE" then
        local direction = ...
        if direction == "sun" then
            self.eclips.arrow:SetTexCoord(0, 1, 0, 1)
        elseif direction == "moon" then
            self.eclips.arrow:SetTexCoord(1, 0, 0, 1)
        else
            self.eclips.lunar:Hide()
            self.eclips.solar:Hide()
        end
    elseif event == "UNIT_AURA" then
        HandleUnitAuraEvent(...)
    elseif event == "CLASS_POWER_INIT" then
        eclipsUnitAura()
        powerEclipsOnUpdate(self)
    end
end

local function setEclips(f)
    f.barType = "eclips"
    f.eclips:Show()
    f.background:SetTexture(nil)
    f.fill:SetTexture(nil)

    f:SetScript("OnUpdate", powerEclipsOnUpdate)
    f:SetScript("OnEvent", powerEclips)
    powerEclips(f, "CLASS_POWER_INIT")

    f:RegisterUnitEvent("UNIT_AURA", "player")
    f:RegisterEvent("ECLIPSE_DIRECTION_CHANGE")
    EventRegistry:RegisterCallback("GW2_UI.ClasspowerPlayerUnitAura", eclipsUnitAura, "GW2_UI")
end

-- EVOKER
local FillingAnimationTime = 5.0

local function Essence_OnUpdate(self)
    local peace = GetPowerRegenForPowerType(Enum.PowerType.Essence)
    if (peace == nil or peace == 0) then
        peace = 0.2
    end
    local cooldownDuration = 1 / peace
    local animationSpeedMultiplier = FillingAnimationTime / cooldownDuration
    self.EssenceFilling.FillingAnim:SetAnimationSpeedMultiplier(animationSpeedMultiplier)
    self.EssenceFilling.CircleAnim:SetAnimationSpeedMultiplier(animationSpeedMultiplier)
end
local function SetEssennceFull(self)
    self.EssenceFilling.FillingAnim:Stop()
    self.EssenceFilling.CircleAnim:Stop()
    self.EssenceFillDone:Show()
    self.EssenceEmpty:Hide()
    self:SetScript("OnUpdate", nil)
end

local function AnimOut(self)
    if (self.EssenceFull:IsShown() or self.EssenceFilling:IsShown() or self.EssenceFillDone:IsShown()) then
        self.EssenceDepleting:Show()
        self.EssenceFilling:Hide()
        self.EssenceEmpty:Hide()
        self.EssenceFillDone:Hide()
        self.EssenceFull:Hide()
        self.EssenceFilling.FillingAnim:Stop()
        self.EssenceFilling.CircleAnim:Stop()
        self:SetScript("OnUpdate", nil)
    end
end

local function AnimIn(self, animationSpeedMultiplier)
    self.EssenceFilling.FillingAnim:SetAnimationSpeedMultiplier(animationSpeedMultiplier)
    self.EssenceFilling.CircleAnim:SetAnimationSpeedMultiplier(animationSpeedMultiplier)
    self:SetScript("OnUpdate", Essence_OnUpdate)
    self.EssenceFilling:Show()
    self.EssenceDepleting:Hide()
    self.EssenceEmpty:Hide()
    self.EssenceFillDone:Hide()
    self.EssenceFull:Hide()
end

local function powerEssence(self, event, ...)
    local pType = select(2, ...)
    if event ~= "CLASS_POWER_INIT" and pType ~= "ESSENCE" then
        return
    end

    local pwrMax = UnitPowerMax("player", Enum.PowerType.Essence)
    local pwr = UnitPower("player", Enum.PowerType.Essence)
    self.gwPower = pwr

    local essenceSlots = min(max(pwrMax, 0), 6)
    if essenceSlots > 0 then
        local essenceWidth = essenceSlots * 32
        self.evoker:SetWidth(essenceWidth)
        self:SetWidth(essenceWidth)
        SetClassPowerAnchor(self.evoker, self, "LEFT")
    end

    for i = 1, 6 do
        if i <= pwrMax then
            self.evoker["essence" .. i]:Show()
        else
            self.evoker["essence" .. i]:Hide()
        end
    end

    for i = 1, min(pwr, 6) do
        SetEssennceFull(self.evoker["essence" .. i])
    end
    for i = pwr + 1, 6 do
        AnimOut(self.evoker["essence" .. i])
    end

    local isAtMaxPoints = pwr == pwrMax
    local peace = GetPowerRegenForPowerType(Enum.PowerType.Essence)
    if (peace == nil or peace == 0) then
        peace = 0.2
    end
    local cooldownDuration = 1 / peace
    local animationSpeedMultiplier = FillingAnimationTime / cooldownDuration;
    if (not isAtMaxPoints and self.evoker["essence" .. pwr + 1] and not self.evoker["essence" .. pwr + 1].EssenceFull:IsShown()) then
        AnimIn(self.evoker["essence" .. pwr + 1], animationSpeedMultiplier)
    end
end

-- this needs also the essence bar

-- Ebon Might Spell that applies Aura on Self
local EBON_MIGHT_SELF_AURA_SPELL_ID = 395296;
-- Design-specified, useful visual range from testing, roughly based on upper potential duration range
local EBON_MIGHT_DISPLAY_MAX = 20
local function evokerEbonMight(unitToken, auraUpdateInfo)
    if unitToken ~= "player" or auraUpdateInfo == nil then
        return
    end

    local isUpdatePopulated = auraUpdateInfo.isFullUpdate
        or (auraUpdateInfo.addedAuras ~= nil and #auraUpdateInfo.addedAuras > 0)
        or (auraUpdateInfo.removedAuraInstanceIDs ~= nil and #auraUpdateInfo.removedAuraInstanceIDs > 0)
        or (auraUpdateInfo.updatedAuraInstanceIDs ~= nil and #auraUpdateInfo.updatedAuraInstanceIDs > 0)

    if isUpdatePopulated then
        local auraInfo = C_UnitAuras.GetPlayerAuraBySpellID(EBON_MIGHT_SELF_AURA_SPELL_ID)
        local auraExpirationTime = auraInfo and auraInfo.expirationTime or nil

        if auraInfo and auraExpirationTime ~= CPWR_FRAME.auraExpirationTime then
            CPWR_FRAME.auraExpirationTime = auraExpirationTime

            local remainingPrecantage = math.min(1, (auraExpirationTime - GetTime()) / EBON_MIGHT_DISPLAY_MAX) -- hard coded max duration of 20 sec like blizzard
            CPWR_FRAME.customResourceBar:SetCustomAnimation(remainingPrecantage, 0, auraInfo.duration)
        end
    end
end
local function evokerEvent(self, event, ...)
    if event == "UNIT_AURA" then
        local unitToken, auraUpdateInfo = ...
        evokerEbonMight(unitToken, auraUpdateInfo)
    else
        powerEssence(self, event, ...)
    end
end

local function setEvoker(f)
    SetClassPowerAnchor(f, f.gwMover, "TOPLEFT")
    f.barType = "essence"
    f.background:SetTexture(nil)
    f.fill:SetTexture(nil)
    f.evoker:SetWidth(6 * 32)
    f:SetWidth(f.evoker:GetWidth())
    f:SetHeight(32)
    SetClassPowerAnchor(f.evoker, f, "LEFT")
    f.evoker:Show()

    f:SetScript("OnEvent", evokerEvent)
    powerEssence(f, "CLASS_POWER_INIT")
    f:RegisterUnitEvent("UNIT_MAXPOWER", "player")
    f:RegisterUnitEvent("UNIT_POWER_FREQUENT", "player")
    f:RegisterUnitEvent("UNIT_POWER_POINT_CHARGE", "player")

    if GW.myspec == 3 then
        f.customResourceBar:SetWidth(115)
        SetClassPowerCustomResourceBarAnchor(f.customResourceBar, f.gwMover, f, 0, 0, 2, 4)
        f.customResourceBar:Show()

        setPowerTypeEbonMight(f.customResourceBar)
        f:RegisterUnitEvent("UNIT_AURA", "player")
    end
    return true
end

-- PALADIN
local function powerSotR()
    local results = GetAuraData("player", nil, "HELPFUL", 132403, 31850, 212641)

    C_Secrets.ShouldSpellAuraBeSecret(212641)
    if results == nil then
        return
    end
    local duration = -1
    local expires = -1
    for i = 1, #results do
        if results[i].expirationTime > expires then
            expires = results[i].expirationTime
            duration = results[i].duration
        end
    end
    if expires > 0 then
        local pre = (expires - GetTime()) / duration
        GW.AddToAnimation("DECAY_BAR", pre, 0, GetTime(), expires - GetTime(), function()
            local remainingPrecantage = (expires - GetTime()) / duration
            local remainingTime = duration * remainingPrecantage
            CPWR_FRAME.customResourceBar:SetCustomAnimation(remainingPrecantage, 0, remainingTime)
        end, "noease")
    end
end


local function powerHoly(self, event, ...)
    if event == "UNIT_AURA" then
        HandleUnitAuraEvent(...)
        return
    end

    local pType = select(2, ...)
    if event ~= "CLASS_POWER_INIT" and pType ~= "HOLY_POWER" then
        return
    end

    local old_power = self.gwPower
    local pwr = UnitPower("player", 9)
    local pwrThreshold = (GW.Retail and 3 or 1)
    if pwr < pwrThreshold then
        self.background:SetAlpha(0.2)
    else
        self.background:SetAlpha(1)
    end
    for _, v in pairs(self.paladin.power) do
        if v:IsShown() then
            local id = tonumber(v:GetParentKey())
            if old_power < id and pwr >= id then
                animFlarePoint(self, v, 0.5)
            end
            if pwr >= pwrThreshold and id < (pwrThreshold - 1) then
                v:SetTexCoord(0, 0.5, 0.5, 1)
            elseif pwr >= id then
                v:SetTexCoord(0.5, 1, 0, 0.5)
            elseif pwr < id then
                v:SetTexCoord(0, 0.5, 0, 0.5)
            end
        end
    end
    self.gwPower = pwr
end

local function setPaladin(f)
    f.paladin:Show()

    f.background:ClearAllPoints()
    f.background:SetHeight(41)
    f.background:SetWidth(181)
    f.background:SetTexCoord(0, 0.70703125, 0, 0.640625)
    f.paladin:SetWidth(f.background:GetWidth())
    SetClassPowerAnchor(f.paladin, f.gwMover, "TOPLEFT")
    SetClassPowerAnchor(f.background, f.gwMover, "LEFT", 0, GW.GetClassPowerAnchorMode() == "DEFAULT" and 2 or 0)

    f.background:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/holypower/background.png")

    f.fill:Hide()

    local maxPoints = UnitPowerMax("player", 9)
    for _, v in pairs(f.paladin.power) do
        local id = tonumber(v:GetParentKey())
        if id > maxPoints then
            v:Hide()
        else
            v:Show()
        end
    end

    f:SetScript("OnEvent", powerHoly)
    powerHoly(f, "CLASS_POWER_INIT")
    f:RegisterUnitEvent("UNIT_MAXPOWER", "player")
    f:RegisterUnitEvent("UNIT_POWER_FREQUENT", "player")

    if GW.myspec == 2 and not GW.Retail then
        f.customResourceBar:SetWidth(164)
        SetClassPowerCustomResourceBarAnchor(f.customResourceBar, f.gwMover, f, 0, 0, 2, 4)
        f.customResourceBar:Show()

        setPowerTypePaladinShield(f.customResourceBar)

        f:RegisterUnitEvent("UNIT_AURA", "player")
        EventRegistry:RegisterCallback("GW2_UI.ClasspowerPlayerUnitAura", powerSotR, "GW2_UI")
    end

    return true
end

-- ROGUE
local function setRogue(f)
    if GW.settings.target_HOOK_COMBOPOINTS then return false end

    setComboBar(f)
    return true
end

-- PRIEST
local function shadowOrbs(self, event, ...)
    local pType = select(2, ...)
    if event ~= "CLASS_POWER_INIT" and pType ~= "SHADOW_ORBS" then
        return
    end

    local currentOrbs = UnitPower("player", Enum.PowerType.ShadowOrbs)
    local old_power = self.gwPower
    if currentOrbs < 2 then
        self.background:SetAlpha(0.2)
    else
        self.background:SetAlpha(1)
    end
    for _, v in pairs(self.priest.power) do
        local id = tonumber(v:GetParentKey())
        if old_power < id and currentOrbs >= id then
            animFlarePoint(self, v, 0.5)
        end
        if currentOrbs >= 3 and id < 4 then
            v:SetTexCoord(0, 0.5, 0.5, 1)
        elseif currentOrbs >= id then
            v:SetTexCoord(0.5, 1, 0, 0.5)
        elseif currentOrbs < id then
            v:SetTexCoord(0, 0.5, 0, 0.5)
        end
    end
    self.gwPower = currentOrbs
end


local function setPriest(f)
    if GW.myspec == 3 then -- shadow
        if GW.Retail then
            setManaBar(f)
            return true
        elseif GW.Mists then
            f.priest:Show()

            f.background:ClearAllPoints()
            f.background:SetHeight(41)
            f.background:SetWidth(181)
            f.background:SetTexCoord(0, 0.70703125, 0, 0.640625)
            f.priest:SetWidth(f.background:GetWidth())
            SetClassPowerAnchor(f.priest, f.gwMover, "TOPLEFT")
            SetClassPowerAnchor(f.background, f.gwMover, "LEFT", 0, GW.GetClassPowerAnchorMode() == "DEFAULT" and 2 or 0)

            f.background:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/shadoworbs/background.png")

            f.fill:Hide()

            f:SetScript("OnEvent", shadowOrbs)
            shadowOrbs(f, "CLASS_POWER_INIT")
            f:RegisterUnitEvent("UNIT_POWER_FREQUENT", "player")

            return true
        end
    end

    return false
end


-- DEATH KNIGHT
local RUNETYPE_BLOOD = 1
local RUNETYPE_FROST = 2
local RUNETYPE_UNHOLY = 3
local RUNETYPE_DEATH = 4

local iconTextures = {
    [RUNETYPE_BLOOD] = "Interface/AddOns/GW2_UI/textures/altpower/runes-blood.png",
    [RUNETYPE_FROST] = "Interface/AddOns/GW2_UI/textures/altpower/runes.png",
    [RUNETYPE_UNHOLY] = "Interface/AddOns/GW2_UI/textures/altpower/runes-unholy.png",
    [RUNETYPE_DEATH] = "Interface/AddOns/GW2_UI/textures/altpower/runes-death.png"
}
local RUNE_TIMER_ANIMATIONS = {
    [1] = 0,
    [2] = 0,
    [3] = 0,
    [4] = 0,
    [5] = 0,
    [6] = 0,
}

local getBlizzardRuneId = {
    [1] = 1,
    [2] = 2,
    [3] = 5,
    [4] = 6,
    [5] = 3,
    [6] = 4,
}

local function getRuneData(index)
    if GW.Retail then
        local start, duration, ready = GetRuneCooldown(index)
        local progress = 1
        if start ~= nil and duration > 0 then
            progress = (GetTime() - start) / duration
        end
        return {
            start = start,
            duration = duration,
            ready = ready,
            progress = progress,
            runeType = nil, -- no need in retail
        }
    else
        local correctRuneId = getBlizzardRuneId[index]
        local start, duration, ready = GetRuneCooldown(correctRuneId)
        local runeType = GetRuneType(correctRuneId)

        local progress = 1
        if start == nil then
            start = GetTime()
            duration = 0
        end
        return {
            start = start,
            duration = duration,
            ready = ready,
            progress = progress,
            runeType = runeType,
        }
    end
end

local function powerRune(self)
    local f = self
    local fr = self.runeBar
    local runeData = {}

    for i = 1, 6 do
        runeData[i] = getRuneData(i)
    end

    if GW.Retail then
        table.sort(runeData, function(a, b) return a.progress > b.progress end)
    end

    for i = 1, 6 do
        local data = runeData[i]
        local fFill = fr["runeTexFill" .. i]
        local fTex = fr["runeTex" .. i]
        local fFlare = fr["flare" .. i]
        local animId = "RUNE_TIMER_ANIMATIONS" .. i

        if not GW.Retail and data.runeType then
            fFill:SetTexture(iconTextures[data.runeType])
            fTex:SetTexture(iconTextures[data.runeType])
        end

        if data.ready and fFill then
            fFill:SetTexCoord(0.5, 1, 0, 1)
            fFill:SetHeight(32)
            fFill:SetVertexColor(1, 1, 1, 1)
            if GW.Retail then
                fFill:SetDesaturated(false)
            end
            if animations[animId] then
                animations[animId].completed = true
                animations[animId].duration = 0
            end
        else
            if data.start == 0 then
                return
            end
            GW.AddToAnimation(
                animId,
                GW.Retail and data.progress or RUNE_TIMER_ANIMATIONS[i],
                1,
                data.start,
                data.duration,
                function(p)
                    fFill:SetTexCoord(0.5, 1, 1 - p, 1)
                    fFill:SetHeight(32 * p)
                    if GW.Retail then
                        fFill:SetVertexColor(1, 1, 1, 0.5)
                        fFill:SetDesaturated(true)
                        fFill:SetBlendMode("BLEND")
                        fFlare:SetVertexColor(1, 1, 1, 0)
                    else
                        fFill:SetVertexColor(0.6 * p, 0.6 * p, 0.6 * p)
                    end
                end,
                "noease",
                function()
                    f.flare:ClearAllPoints()
                    f.flare:SetPoint("CENTER", fFill, "CENTER", 0, 0)
                    GW.AddToAnimation(
                        "RUNE_FLARE_ANIMATIONS" .. i,
                        1,
                        0,
                        GetTime(),
                        0.5,
                        function(p)
                            if GW.Retail then
                                fFlare:SetVertexColor(1, 1, 1, p)
                                fFlare:SetSize(512 * math.sin(p * math.pi * 0.5), 256)
                                fFlare:SetBlendMode("ADD")
                            else
                                f.flare:SetAlpha(math.min(1, math.max(0, p)))
                            end
                        end
                    )
                end
            )

            if not GW.Retail then
                RUNE_TIMER_ANIMATIONS[i] = 0
            end
        end
        fTex:SetTexCoord(0, 0.5, 0, 1)
    end
end


local function setDeathKnight(f)
    local fr = f.runeBar
    SetClassPowerAnchor(f, f.gwMover, "TOPLEFT", 0, GW.GetClassPowerAnchorMode() == "DEFAULT" and -10 or 0)

    f.background:SetTexture(nil)
    f.fill:SetTexture(nil)
    f.flare:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/runeflash.png")
    f.flare:SetWidth(256)
    f.flare:SetHeight(128)
    fr:Show()

    if GW.Retail then
        local texture = "runes-blood"
        if GW.myspec == 2 then     -- frost
            texture = "runes"
        elseif GW.myspec == 3 then -- unholy
            texture = "runes-unholy"
        end

        for i = 1, 6 do
            local fFill = fr["runeTexFill" .. i]
            local fTex = fr["runeTex" .. i]
            local fFlare = fr["flare" .. i]

            fFill:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/" .. texture .. ".png")
            fTex:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/" .. texture .. ".png")
            fFlare:SetRotation(1.5708)
            fFlare:SetVertexColor(1, 1, 1, 0)
            fFlare:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/runeflash.png")
        end
    elseif GW.Mists then
        for i = 1, 6 do
            local texture
            local fFill = fr["runeTexFill" .. i]
            local fTex = fr["runeTex" .. i]
            local fFlare = fr["flare" .. i]

            if i <= 2 then
                texture = "runes-blood"
            elseif i <= 4 then
                texture = "runes-unholy"
            else
                texture = "runes"
            end

            fFill:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/" .. texture .. ".png")
            fTex:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/" .. texture .. ".png")
            fFlare:SetRotation(1.5708)
            fFlare:SetVertexColor(1, 1, 1, 0)
            fFlare:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/runeflash.png")
        end
    end

    f:SetScript("OnEvent", powerRune)
    powerRune(f)
    f:RegisterEvent("RUNE_POWER_UPDATE")

    return true
end

-- SHAMAN
local function powerMaelstrom()
    local auraData = C_UnitAuras.GetPlayerAuraBySpellID(344179) -- None Secret

    if auraData and auraData.duration == nil then
        CPWR_FRAME.gwPower = -1
        auraData.applications = 0
    end

    if auraData and auraData.applications >= 5 then
        CPWR_FRAME.maelstrom.flare1:Show()
    else
        CPWR_FRAME.maelstrom.flare1:Hide()
    end
    if auraData and auraData.applications >= 10 then
        CPWR_FRAME.maelstrom.flare2:Show()
    else
        CPWR_FRAME.maelstrom.flare2:Hide()
    end

    for i = 1, 10 do
        if auraData and auraData.applications >= i then
            CPWR_FRAME.maelstrom["rune" .. i]:Show()
        else
            CPWR_FRAME.maelstrom["rune" .. i]:Hide()
        end
    end
end


local function setShaman(f)
    if GW.Retail then
        if GW.myspec == 1 then --DONE
            -- ele use extra mana bar on left
            setManaBar(f)
            return true
        elseif GW.myspec == 2 then -- enh -- DONE
            SetClassPowerAnchor(f, f.gwMover, "TOPLEFT", 0, GW.GetClassPowerAnchorMode() == "DEFAULT" and -10 or 0)
            f.background:SetTexture(nil)
            f.fill:SetTexture(nil)
            local fms = f.maelstrom
            fms:Show()

            f:SetScript("OnEvent", powerMaelstrom)
            powerMaelstrom()
            f:RegisterUnitEvent("UNIT_AURA", "player")
            return true
        end
    else
        if not InCombatLockdown() then
            if UIPARENT_MANAGED_FRAME_POSITIONS then
                UIPARENT_MANAGED_FRAME_POSITIONS.MultiCastActionBarFrame = nil
            end

            MultiCastActionBarFrame:SetParent(f)
            MultiCastActionBarFrame:ClearAllPoints()
            MultiCastActionBarFrame:SetPoint("TOPLEFT", f, "BOTTOMLEFT", 0, 5)
            hooksecurefunc(MultiCastActionBarFrame, "SetPoint", function(self, p1, anchor, p2, x, y)
                if p1 ~= "TOPLEFT" or anchor ~= f or p2 ~= "BOTTOMLEFT" or x ~= 0 or y ~= 5 then
                    self:ClearAllPoints()
                    self:SetPoint("TOPLEFT", f, "BOTTOMLEFT", 0, 5)
                end
            end)
        elseif InCombatLockdown() then
            f.decay:RegisterEvent("PLAYER_REGEN_ENABLED")
        end

        f.background:Hide()
        f.fill:Hide()

        return true
    end

    return false
end

-- MAGE
local function powerArcane(self, event, ...)
    local pType = select(2, ...)
    if event ~= "CLASS_POWER_INIT" and pType ~= "ARCANE_CHARGES" then
        return
    end

    local old_power = self.gwPower
    old_power = old_power or -1

    local pwr = UnitPower("player", 16)
    local p = pwr - 1

    self.gwPower = pwr

    self.background:SetTexCoord(0, 1, 0.125 * 3, 0.125 * (3 + 1))
    self.fill:SetTexCoord(0, 1, 0.125 * p, 0.125 * (p + 1))

    if old_power < pwr and event ~= "CLASS_POWER_INIT" then
        animFlare(self, 64, -32, 2, true)
    end
end


local function powerFrost(event)
    local auraData = GetAuraData("player", nil, "HELPFUL", 205473)

    C_Secrets.ShouldSpellAuraBeSecret(205473)
    local count = auraData and auraData.applications or 0

    local old_power = CPWR_FRAME.gwPower
    old_power = old_power or -1

    CPWR_FRAME.gwPower = count
    CPWR_FRAME.background:SetTexCoord(0, 1, 0.125 * 5, 0.125 * (5 + 1))
    CPWR_FRAME.fill:SetTexCoord(0, 1, 0.125 * count, 0.125 * (count + 1))

    if old_power < count and count > 0 and event ~= "CLASS_POWER_INIT" then
        animFlare(CPWR_FRAME, 32, -16, 2, true)
    end
end

local function setMage(f)
    if GW.myspec == 1 then -- arcane
        SetClassPowerAnchor(f, f.gwMover, "TOPLEFT", 0, GW.GetClassPowerAnchorMode() == "DEFAULT" and 15 or 0)
        f:SetHeight(64)
        f:SetWidth(512)
        f.background:SetHeight(64)
        f.background:SetWidth(512)
        f.background:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/arcane.png")
        f.background:SetTexCoord(0, 1, 0.125 * 3, 0.125 * (3 + 1))
        f.flare:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/arcane-flash.png")
        f.flare:SetWidth(256)
        f.flare:SetHeight(256)
        f.fill:SetHeight(64)
        f.fill:SetWidth(512)
        f.fill:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/arcane.png")
        f.background:SetVertexColor(0, 0, 0, 0.5)

        f:SetScript("OnEvent", powerArcane)
        powerArcane(f, "CLASS_POWER_INIT")
        f:RegisterUnitEvent("UNIT_MAXPOWER", "player")
        f:RegisterUnitEvent("UNIT_POWER_FREQUENT", "player")

        return true
    elseif GW.myspec == 3 and not GW.Retail then --frost
        SetClassPowerAnchor(f, f.gwMover, "TOPLEFT")
        f:SetHeight(32)
        f:SetWidth(256)
        f.background:SetHeight(32)
        f.background:SetWidth(256)
        f.background:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/frostmage-altpower.png")
        f.background:SetTexCoord(0, 1, 0.125 * 5, 0.125 * (5 + 1))
        f.flare:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/arcane-flash.png")
        f.flare:SetWidth(128)
        f.flare:SetHeight(128)
        f.fill:SetHeight(32)
        f.fill:SetWidth(256)
        f.fill:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/frostmage-altpower.png")
        f.background:SetVertexColor(0, 0, 0, 0.5)

        f:SetScript("OnEvent", function(_, _, unit, ...) HandleUnitAuraEvent(unit, ...) end)
        powerFrost("CLASS_POWER_INIT")
        f:RegisterUnitEvent("UNIT_AURA", "player")
        EventRegistry:RegisterCallback("GW2_UI.ClasspowerPlayerUnitAura", powerFrost, "GW2_UI")

        return true
    end

    return false
end

-- WARLOCK
local function powerSoulshard(self, event, ...)
    if event == "LEARNED_SPELL_IN_TAB" or event == "LEARNED_SPELL_IN_SKILL_LINE" then
        updateTextureBasedOnCondition(self)
        return
    end

    local pType = select(2, ...)
    if event ~= "CLASS_POWER_INIT" and (pType ~= "SOUL_SHARDS" and pType ~= "BURNING_EMBERS") then
        return
    end
    local powerType = self.warlock.powerType
    local pwrMax = UnitPowerMax("player", powerType)
    local pwr = UnitPower("player", powerType)
    local old_power = self.gwPower
    self.gwPower = pwr

    local shardSlots = min(max(pwrMax, 0), 5)
    if shardSlots > 0 then
        local minWidth = (GW.myspec == 3) and 132 or 0
        local shardWidth = max(shardSlots * 32, minWidth)
        self.warlock:SetWidth(shardWidth)
        self:SetWidth(max(self.gwMover:GetWidth(), shardWidth))
        SetWarlockResourceAnchors(self)
    end

    for i = 1, shardSlots do
        self.warlock["shardBg" .. i]:Show()
        if pwr >= i then
            self.warlock["shard" .. i]:Show()
            self.warlock.shardFlare:ClearAllPoints()
            self.warlock.shardFlare:SetPoint("CENTER", self.warlock["shard" .. i], "CENTER", 0, 0)
            if pwr > old_power then
                self.warlock.shardFlare:Show()
                GW.AddToAnimation(
                    "WARLOCK_SHARD_FLARE",
                    0,
                    5,
                    GetTime(),
                    0.7,
                    function(p)
                        p = GW.RoundInt(p)
                        self.warlock.shardFlare:SetTexCoord(GW.getSpriteByIndex(self.warlock.flareMap, p))
                    end,
                    nil,
                    function()
                        self.warlock.shardFlare:Hide()
                    end
                )
            end
        else
            self.warlock["shard" .. i]:Hide()
        end
    end
    for i = shardSlots + 1, 5 do
        self.warlock["shardBg" .. i]:Hide()
        self.warlock["shard" .. i]:Hide()
    end

    if GW.myspec == 3 then -- Destruction
        local shardPower = UnitPower("player", powerType, true)
        local shardModifier = UnitPowerDisplayMod(powerType)
        shardPower = (shardModifier ~= 0) and (shardPower / shardModifier) or 0
        shardPower = Saturate(shardPower - pwr)
        if shardPower == 0 then shardPower = 0.00000000000001 end

        --Hide fragment bar if capped
        if pwr >= pwrMax or shardPower >= 1 then
            self.warlock.shardFragment:Hide()
        else
            self.warlock.shardFragment:Show()
        end

        self.warlock.shardFragment.barFill:SetWidth(130 * shardPower)
        self.warlock.shardFragment.barFill:SetTexCoord(0, shardPower, 0, 1)
        if self.warlock.shardFragment.amount < shardPower then
            GW.AddToAnimation(
                "WARLOCK_FRAGMENT_FLARE",
                1,
                0,
                GetTime(),
                0.3,
                function(p)
                    self.warlock.shardFragment.flare:SetAlpha(math.min(1, math.max(0, p)))
                end
            )
        end
        self.warlock.shardFragment.amount = shardPower
    end
end


local function powerDemonicFury(self, event, ...)
    local pType = select(2, ...)
    if event ~= "CLASS_POWER_INIT" and pType ~= "DEMONIC_FURY" then
        return
    end

    local power = UnitPower("player", Enum.PowerType.DemonicFury)
    local maxPower = UnitPowerMax("player", Enum.PowerType.DemonicFury)
    local percent = power / maxPower
    if event == "CLASS_POWER_INIT" then
        self.customResourceBar:ForceFillAmount(percent)
    else
        self.customResourceBar:SetFillAmount(percent)
    end
end

local function setWarlock(f)
    f.background:SetTexture(nil)
    f.fill:SetTexture(nil)
    f.warlock:SetWidth(5 * 32)
    f:SetWidth(max(f.gwMover:GetWidth(), f.warlock:GetWidth()))
    f:SetHeight(32)
    SetWarlockResourceAnchors(f)
    f.warlock:Show()
    if GW.myspec == 3 then -- Destruction
        f.warlock.shardFragment.amount = -1
        f.warlock.shardFragment:Show()
        local flarAnimationMap = {
            width = 512,
            height = 512,
            colums = 2,
            rows = 4
        }
        f.warlock.flareMap = flarAnimationMap
    else
        f.warlock.shardFragment:Hide()
    end
    f:RegisterUnitEvent("UNIT_MAXPOWER", "player")
    f:RegisterUnitEvent("UNIT_POWER_FREQUENT", "player")
    if GW.Mists then
        f:RegisterEvent("UNIT_DISPLAYPOWER")
    end
    -- Register "LEARNED_SPELL_IN_TAB" so we can check for the green fire spell and check an login
    if GW.Retail or GW.TBC then
        f:RegisterEvent("LEARNED_SPELL_IN_SKILL_LINE")
    else
        f:RegisterEvent("LEARNED_SPELL_IN_TAB")
    end
    f.useRedTexture = false

    if GW.Retail then
        f.warlock.powerType = Enum.PowerType.SoulShards
        f:SetScript("OnEvent", powerSoulshard)
        powerSoulshard(f, "CLASS_POWER_INIT")
    elseif GW.Mists then
        if GW.myspec == 1 then
            f.warlock.powerType = Enum.PowerType.SoulShards
            f:SetScript("OnEvent", powerSoulshard)
            powerSoulshard(f, "CLASS_POWER_INIT")
        elseif GW.myspec == 2 then
            f.warlock:Hide()
            setPowerTypeMeta(f.customResourceBar)
            f.customResourceBar:Show()
            f.customResourceBar:SetWidth(312)
            SetClassPowerCustomResourceBarAnchor(f.customResourceBar, f.gwMover, f, -5, 0, 2, 4)

            f:SetScript("OnEvent", powerDemonicFury)
            powerDemonicFury(f, "CLASS_POWER_INIT")
        elseif GW.myspec == 3 then
            f.warlock.powerType = Enum.PowerType.BurningEmbers
            f:SetScript("OnEvent", powerSoulshard)
            powerSoulshard(f, "CLASS_POWER_INIT")
            f.useRedTexture = true
        end
    end

    updateTextureBasedOnCondition(f)

    return true
end

-- MONK
local function powerChi(self, event, ...)
    local pType = select(2, ...)
    if event ~= "CLASS_POWER_INIT" and pType ~= "CHI" and pType ~= "DARK_FORCE" then
        return
    end

    local old_power = self.gwPower
    old_power = old_power or -1

    local pwrMax = UnitPowerMax("player", 12)
    local pwr = UnitPower("player", 12)
    local p = pwr - 1

    self.gwPower = pwr

    self.background:SetTexCoord(0, 1, 0.111 * (pwrMax + 2), 0.111 * (pwrMax + 3))
    self.fill:SetTexCoord(0, 1, 0.111 * p, 0.111 * (p + 1))

    if old_power < pwr and event ~= "CLASS_POWER_INIT" then
        animFlare(self)
    end
end


local function ironSkin_OnUpdate(self)
    local precentage = math.min(1, math.max(0, (self.expires - GetTime()) / 23))
    self.ironartwork:SetAlpha(precentage)
    self.fill:SetTexCoord(0, precentage, 0, 1)
    self.fill:SetWidth(precentage * 256)

    self.indicator:SetPoint("LEFT", math.min(252, (precentage * 256)) - 13, 19)
    self.indicatorText:SetText(RoundInt(self.expires - GetTime()) .. "s")
end


local function setStaggerBar()
    local fb = CPWR_FRAME.brewmaster

    if not GW.Retail then
        local auraData = GetAuraData("player", nil, "HELPFUL", GW.Mists and 115307 or 215479)

        if auraData and auraData.expirationTime then
            fb.ironskin.expires = auraData.expirationTime
            if fb.ironskin.ticker then
                fb.ironskin.ticker:Cancel()
            end
            fb.ironskin.ticker = C_Timer.NewTicker(0.05, function() ironSkin_OnUpdate(fb.ironskin) end)
            fb.ironskin:Show()
            fb.ironskin.ironartwork:Show()
        else
            if fb.ironskin.ticker then
                fb.ironskin.ticker:Cancel()
            end
            fb.ironskin:Hide()
            fb.ironskin.ironartwork:Hide()
            fb.ironskin.expires = nil
        end
    end


    local bar = CPWR_FRAME.defaultResourceBar
    local pwrMax = UnitHealthMax("player")
    local stagger = UnitStagger("player") or 0

    bar:SetMinMaxValues(0, pwrMax)
    bar:SetValue(stagger, Enum.StatusBarInterpolation.ExponentialEaseOut)

    local staggerPrec = math.max(0, math.min(stagger / pwrMax, 1))
    local colorToUse = staggerTextColors[1]
    if staggerPrec >= 0.75 then
        colorToUse = staggerTextColors[3]
    elseif staggerPrec >= 0.5 then
        colorToUse = staggerTextColors[2]
    end

    local staggerText = GW.GetLocalizedNumber(format("%.2f%%", staggerPrec * 100))
    if bar.label._lastText ~= staggerText then
        bar.label:SetText(staggerText)
        if GW.settings.CLASSPOWER_SHOW_VALUE then
            bar.label:SetText(staggerText)
        else
            bar.label:SetText("")
        end
        bar.label._lastText = staggerText
    end
    if not (bar.label._lastR == colorToUse.r and bar.label._lastG == colorToUse.g and bar.label._lastB == colorToUse.b) then
        bar.label:SetTextColor(colorToUse.r, colorToUse.g, colorToUse.b)
        bar.label._lastR, bar.label._lastG, bar.label._lastB = colorToUse.r, colorToUse.g, colorToUse.b
    end
end

local function powerStagger(self, event, ...)
    local unit = select(1, ...)
    local fb = self.brewmaster
    if event == nil then
        fb.ironskin:Hide()
        fb.ironskin.ironartwork:Hide()
        if fb.ironskin.ticker then
            fb.ironskin.ticker:Cancel()
        end
    end

    if unit == "player" and event == "UNIT_AURA" then
        setStaggerBar()
    end
end

local function setMonk(f)
    if GW.Retail then
        if GW.myspec == 1 then -- brewmaster
            SetClassPowerAnchor(f, f.gwMover, "TOPLEFT")
            f.background:SetTexture(nil)
            f.fill:SetTexture(nil)
            setPowerTypeStagger(f.defaultResourceBar)
            f.brewmaster:Show()
            f.defaultResourceBar:Show()
            f.defaultResourceBar:SetWidth(312)
            f:SetWidth(f.defaultResourceBar:GetWidth())
            f.defaultResourceBar:ClearAllPoints()
            f.defaultResourceBar:SetPoint("LEFT", f, "LEFT", 0, GW.GetClassPowerAnchorMode() == "DEFAULT" and -5 or 0)

            f:SetScript("OnEvent", powerStagger)
            powerStagger(f, "CLASS_POWER_INIT")

            f:RegisterUnitEvent("UNIT_AURA", "player")
            f:RegisterUnitEvent("UNIT_MAXPOWER", "player")
            f:RegisterUnitEvent("UNIT_POWER_FREQUENT", "player")

            return true
        elseif GW.myspec == 3 then -- ww
            SetClassPowerAnchor(f, f.gwMover, "TOPLEFT")
            f:SetHeight(32)
            f:SetWidth(256)
            f.background:SetHeight(32)
            f.background:SetWidth(320)
            f.background:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/chi.png")
            f.background:SetTexCoord(0, 1, 0.5, 1)
            f.flare:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/chi-flare.png")
            f.fill:SetHeight(32)
            f.fill:SetWidth(256)
            f.fill:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/chi.png")

            f:SetScript("OnEvent", powerChi)
            powerChi(f, "CLASS_POWER_INIT")
            f:RegisterUnitEvent("UNIT_MAXPOWER", "player")
            f:RegisterUnitEvent("UNIT_POWER_FREQUENT", "player")

            return true
        end
    elseif GW.Mists then
        SetClassPowerAnchor(f, f.gwMover, "TOPLEFT")
        f:SetHeight(32)
        f:SetWidth(256)
        f.background:SetHeight(32)
        f.background:SetWidth(320)
        f.background:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/chi.png")
        f.background:SetTexCoord(0, 1, 0.5, 1)
        f.flare:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/chi-flare.png")
        f.fill:SetHeight(32)
        f.fill:SetWidth(256)
        f.fill:SetTexture("Interface/AddOns/GW2_UI/textures/altpower/chi.png")

        f:SetScript("OnEvent", powerChi)
        powerChi(f, "CLASS_POWER_INIT")
        f:RegisterUnitEvent("UNIT_MAXPOWER", "player")
        f:RegisterUnitEvent("UNIT_POWER_FREQUENT", "player")

        return true
    end

    return false
end


-- DRUID
local function setDruid(f)
    local form = f.gwPlayerForm
    local barType = "none"

    if GW.Retail then
        if GW.myspec == 1 then -- balance
            if form == 1 then
                -- if in cat form, show combo points
                barType = "combo|little_mana"
            elseif form ~= 4 and form ~= 29 and form ~= 27 and form ~= 3 then
                -- show mana bar by default except in travel forms
                barType = "mana"
            end
        elseif GW.myspec == 2 then -- feral
            if form == 1 then
                -- show combo points and little mana bar in cat form
                barType = "combo|little_mana"
            --elseif form == 5 then
                -- show mana bar in bear form
                --barType = "mana"
            end
        elseif GW.myspec == 3 then -- guardian
            if form == 1 then
                -- show combo points in cat form
                barType = "combo|little_mana"
            --elseif form == 5 then
                -- show mana in bear form
                --barType = "mana"
            end
        elseif GW.myspec == 4 then -- resto
            if form == 1 then
                -- show combo points in cat form
                barType = "combo|little_mana"
            elseif form == 5 then
                -- show mana in bear form
                barType = "mana"
            end
        end
    elseif GW.Mists then
        if GW.myspec == 1 and form == nil then
            barType = "eclips"
        end
        if form == CAT_FORM then                   -- cat
            barType = "combo|little_mana"
        elseif form == BEAR_FORM or form == 8 then --bear
            barType = "little_mana"
        elseif form == MOONKIN_FORM then           --Moonkin
            barType = "eclips"
        end
    elseif GW.Classic or GW.TBC then
        if form == CAT_FORM then                   -- cat
            barType = "combo|little_mana"
        elseif form == BEAR_FORM or form == 8 then --bear
            barType = "little_mana"
        end
    end

    if barType == "combo" then
        setComboBar(f)
        return true
    elseif barType == "mana" then
        setManaBar(f)
        return true
    elseif barType == "little_mana" and GW.settings.POWERBAR_ENABLED then -- classic
        setLittleManaBar(f, "combo")
        return true
    elseif barType == "combo|little_mana" then
        setComboBar(f)
        if GW.settings.POWERBAR_ENABLED then
            setLittleManaBar(f, "combo")
        end
        return true
    elseif barType == "eclips" then
        setEclips(f)
        return true
    else
        return false
    end
end

-- DEAMONHUNTER
local function voidMetamorphosisUpdatePower(self)
    self.defaultResourceBar:SetMinMaxValues(0, self.maxPoints)
    self.defaultResourceBar:SetValue(self.currentPoints, Enum.StatusBarInterpolation.ExponentialEaseOut)
    if GW.settings.CLASSPOWER_SHOW_VALUE then
        self.defaultResourceBar.label:SetText(self.currentPoints)
    else
        self.defaultResourceBar.label:SetText("")
    end
end

local function VoidMetamorphosisGetCurrentMinMaxPower(self)
	if self.inVoidMetamorphosis then
		self.maxPoints = GetCollapsingStarCost()
	else
		self.maxPoints = C_Spell.GetSpellMaxCumulativeAuraApplications(Constants.UnitPowerSpellIDs.DARK_HEART_SPELL_ID)
	end
end

local function counterVoidMetamorphosis(self)
    local inVoidMetamorphosis = C_UnitAuras.GetPlayerAuraBySpellID(Constants.UnitPowerSpellIDs.VOID_METAMORPHOSIS_SPELL_ID)
    self.currentPoints = 0

    if inVoidMetamorphosis then
        local silenceTheWhispersAura = C_UnitAuras.GetPlayerAuraBySpellID(Constants.UnitPowerSpellIDs.SILENCE_THE_WHISPERS_SPELL_ID)
        if silenceTheWhispersAura then
			self.currentPoints = silenceTheWhispersAura.applications;
		end
    else
        local darkHeartAura = C_UnitAuras.GetPlayerAuraBySpellID(Constants.UnitPowerSpellIDs.DARK_HEART_SPELL_ID)
		if darkHeartAura then
			self.currentPoints = darkHeartAura.applications;
		end
    end

    VoidMetamorphosisGetCurrentMinMaxPower(self)
    voidMetamorphosisUpdatePower(self)
end

local function setDeamonHunter(f)
    if GW.myspec == 3 then
        SetClassPowerAnchor(f, f.gwMover, "TOPLEFT")
        setPowerTypeMeta(f.defaultResourceBar, true)
        f.defaultResourceBar:SetWidth(313)
        f:SetWidth(f.defaultResourceBar:GetWidth())
        f.defaultResourceBar:ClearAllPoints()
        f.defaultResourceBar:SetPoint("LEFT", f, "LEFT", 0, GW.GetClassPowerAnchorMode() == "DEFAULT" and -11 or 0)
        f.defaultResourceBar:Show()
        f.background:SetTexture(nil)
        f.fill:SetTexture(nil)

        f:SetScript("OnEvent", counterVoidMetamorphosis)
        counterVoidMetamorphosis(f)
        f:RegisterUnitEvent("UNIT_AURA", "player")

        return true
    end

    return false
end


local function selectType(f)
    f:SetScript("OnEvent", nil)
    EventRegistry:UnregisterCallback("GW2_UI.ClasspowerPlayerUnitAura", "GW2_UI")
    f:UnregisterAllEvents()

    -- hide all class power sub-pieces and reset anything needed
    f.defaultResourceBar:SetValue(0)
    f.defaultResourceBar:Hide()
    f.customResourceBar:ForceFillAmount(0)
    f.customResourceBar:ResetPowerBarVisuals()
    f.customResourceBar:SetMinMaxValues(0, 1)
    f.customResourceBar:Hide()
    f.customResourceBar:SetWidth(313)
    f.runeBar:Hide()
    f.decayCounter:Hide()
    f.maelstrom:Hide()
    f.priest:Hide()
    f.paladin:Hide()
    f.brewmaster:Hide()
    f.disc:Hide()
    f.decay:Hide()
    f.exbar:Hide()
    f.exbarSecret:Hide()
    f.exbar.decay:Hide()
    f.warlock:Hide()
    f.combopoints:Hide()
    f.evoker:Hide()
    f.eclips:Hide()

    if GW.settings.POWERBAR_ENABLED then
        f.lmb:Hide()
        f.lmb.decay:Hide()
        f.lmbSecret:Hide()
    end
    f.gwPower = -1
    local showBar = false

    if f.unit == "vehicle" then
        showBar = false
    elseif GW.myClassID == 2 and not (GW.Classic or GW.TBC) then
        showBar = setPaladin(f)
    elseif GW.myClassID == 4 then
        showBar = setRogue(f)
    elseif GW.myClassID == 5 and not (GW.Classic or GW.TBC) then
        showBar = setPriest(f)
    elseif GW.myClassID == 6 and not (GW.Classic or GW.TBC) then
        showBar = setDeathKnight(f)
    elseif GW.myClassID == 7 and not (GW.Classic or GW.TBC) then
        showBar = setShaman(f)
    elseif GW.myClassID == 8 and GW.Retail then
        showBar = setMage(f)
    elseif GW.myClassID == 9 and not (GW.Classic or GW.TBC) then
        showBar = setWarlock(f)
    elseif GW.myClassID == 10 and (GW.Retail or GW.Mists) then
        showBar = setMonk(f)
    elseif GW.myClassID == 11 then
        showBar = setDruid(f)
    elseif GW.myClassID == 12 and GW.Retail then
        showBar = setDeamonHunter(f)
    elseif GW.myClassID == 13 and GW.Retail then
        showBar = setEvoker(f)
    end

    f.shouldShowBar = showBar

    UpdateVisibility(f, InCombatLockdown())
end


local function barChange_OnEvent(self, event)
    if not self then return end
    local f = self:GetParent()
    if event == "UPDATE_SHAPESHIFT_FORM" then
        -- this event fires often when form hasn't changed; check old form against current form
        -- to prevent touching the bar unnecessarily (which causes annoying anim flickering)
        local s = GetShapeshiftFormID()
        if f.gwPlayerForm == s then
            return
        end
        f.gwPlayerForm = s
        selectType(f)
    elseif event == "PLAYER_SPECIALIZATION_CHANGED" or event == "CHARACTER_POINTS_CHANGED" or event == "FORCE_UPDATE" then
        f.gwPlayerForm = GetShapeshiftFormID()
        GW.CheckRole()
        selectType(f)
    elseif event == "PLAYER_REGEN_ENABLED" or event == "PLAYER_REGEN_DISABLED" then
        UpdateVisibility(f, event == "PLAYER_REGEN_DISABLED")
    elseif event == "UNIT_ENTERED_VEHICLE" then
        f.unit = "vehicle"
        selectType(f)
    elseif event == "UNIT_EXITED_VEHICLE" then
        f.unit = "player"
        selectType(f)
    end
end

local function UpdateSettings(self, skipEvent)
    self.exbarSecret.showBarValues = GW.settings.CLASSPOWER_SHOW_VALUE
    self.exbar.showBarValues = GW.settings.CLASSPOWER_SHOW_VALUE
    self.lmb.showBarValues = GW.settings.CLASSPOWER_SHOW_VALUE
    self.lmbSecret.showBarValues = GW.settings.CLASSPOWER_SHOW_VALUE
    if skipEvent then return end
    barChange_OnEvent(self.decay, "FORCE_UPDATE")
end
GW.UpdateClasspowerSetting = UpdateSettings

local function UpdateExtraManabar()
    if not GW.settings.CLASS_POWER then return end

    UpdateSettings(GwPlayerClassPower, true)
    if GW.settings.POWERBAR_ENABLED then
        local anchorFrame = GW.settings.PLAYER_AS_TARGET_FRAME and GwPlayerUnitFrame and GwPlayerUnitFrame or
            GwPlayerPowerBar
        local barWidth = GW.settings.PLAYER_AS_TARGET_FRAME and GwPlayerUnitFrame and
            GwPlayerUnitFrame.powerbar:GetWidth() or GwPlayerPowerBar:GetWidth()

        GwPlayerAltClassLmbSecret:ClearAllPoints()
        GwPlayerAltClassLmb:ClearAllPoints()
        if GW.settings.PLAYER_AS_TARGET_FRAME then
            GwPlayerAltClassLmb:SetPoint("TOPLEFT", anchorFrame.powerbar, "BOTTOMLEFT", 0, -3)
            GwPlayerAltClassLmb:SetPoint("TOPRIGHT", anchorFrame.powerbar, "BOTTOMRIGHT", 0, -3)
            GwPlayerAltClassLmb:SetSize(barWidth + 2, 3)

            GwPlayerAltClassLmbSecret:SetPoint("TOPLEFT", anchorFrame.powerbar, "BOTTOMLEFT", 0, -3)
            GwPlayerAltClassLmbSecret:SetPoint("TOPRIGHT", anchorFrame.powerbar, "BOTTOMRIGHT", 0, -3)
            GwPlayerAltClassLmbSecret:SetSize(barWidth + 2, 3)
        else
            GwPlayerAltClassLmb:SetPoint("BOTTOMLEFT", anchorFrame, "TOPLEFT", 0, 0)
            GwPlayerAltClassLmb:SetPoint("BOTTOMRIGHT", anchorFrame, "TOPRIGHT", 0, 0)
            GwPlayerAltClassLmb:SetSize(barWidth, 5)

            GwPlayerAltClassLmbSecret:SetPoint("BOTTOMLEFT", anchorFrame, "TOPLEFT", 0, 0)
            GwPlayerAltClassLmbSecret:SetPoint("BOTTOMRIGHT", anchorFrame, "TOPRIGHT", 0, 0)
            GwPlayerAltClassLmbSecret:SetSize(barWidth, 5)
        end

        GwPlayerAltClassLmb:SetParent(UIParent)
        GwPlayerAltClassLmbSecret:SetParent(UIParent)

        barChange_OnEvent(GwPlayerClassPower.decay, "FORCE_UPDATE")
    else
        GwPlayerAltClassLmb:SetParent(GW.HiddenFrame)
        GwPlayerAltClassLmbSecret:SetParent(GW.HiddenFrame)
    end
end
GW.UpdateClassPowerExtraManabar = UpdateExtraManabar

local function LoadClassPowers()
    local cpf = CreateFrame("Frame", "GwPlayerClassPower", UIParent, "GwPlayerClassPower")
    CPWR_FRAME = cpf

    cpf.defaultResourceBar = CreateFrame("StatusBar", "GwCustomResourceBar", cpf, "GwStatusPowerBarRetailTemplate")
    cpf.defaultResourceBar:SetSize(313, 14)
    cpf.defaultResourceBar:ClearAllPoints()
    cpf.defaultResourceBar:SetPoint("LEFT", cpf, "LEFT", 0, -11)
    cpf.defaultResourceBar.spark:SetHeight(3)
    cpf.defaultResourceBar.spark:ClearAllPoints()
    cpf.defaultResourceBar.spark:SetPoint("RIGHT", cpf.defaultResourceBar:GetStatusBarTexture(), "RIGHT", 0, 0)
    cpf.defaultResourceBar.label:GwSetFontTemplate(DAMAGE_TEXT_FONT, GW.Enum.TextSizeType.Normal)
    cpf.defaultResourceBar.label:SetShadowColor(0, 0, 0, 1)
    cpf.defaultResourceBar.label:SetShadowOffset(1, -1)

    cpf.customResourceBar = GW.CreateAnimatedStatusBar("GwCustomResourceBar", cpf, "GwStatusPowerBar", true)
    cpf.customResourceBar.customMaskSize = 64
    cpf.customResourceBar.bar = cpf.customResourceBar
    cpf.customResourceBar:AddToBarMask(cpf.customResourceBar.intensity)
    cpf.customResourceBar:AddToBarMask(cpf.customResourceBar.intensity2)
    cpf.customResourceBar:AddToBarMask(cpf.customResourceBar.scrollTexture)
    cpf.customResourceBar:AddToBarMask(cpf.customResourceBar.scrollTexture2)
    cpf.customResourceBar:AddToBarMask(cpf.customResourceBar.runeoverlay)
    cpf.customResourceBar.runicmask:SetSize(cpf.customResourceBar:GetSize())
    cpf.customResourceBar.runeoverlay:AddMaskTexture(cpf.customResourceBar.runicmask)

    cpf.customResourceBar.decay = GW.CreateAnimatedStatusBar("GwPlayerPowerBarDecay", UIParent, nil, true)

    cpf.customResourceBar.decay:SetFillAmount(0)
    cpf.customResourceBar.decay:SetFrameLevel(cpf.customResourceBar.decay:GetFrameLevel() - 1)
    cpf.customResourceBar.decay:ClearAllPoints()
    cpf.customResourceBar.decay:SetPoint("TOPLEFT", cpf.customResourceBar, "TOPLEFT", 0, 0)
    cpf.customResourceBar.decay:SetPoint("BOTTOMRIGHT", cpf.customResourceBar, "BOTTOMRIGHT", 0, 0)

    cpf.customResourceBar:SetScript("OnShow", function() cpf.customResourceBar.decay:Show() end)
    cpf.customResourceBar:SetScript("OnHide", function() cpf.customResourceBar.decay:Hide() end)

    cpf.customResourceBar:ClearAllPoints()
    cpf.customResourceBar:SetPoint("LEFT", cpf, "LEFT", 0, -11)

    cpf.customResourceBar.label:GwSetFontTemplate(DAMAGE_TEXT_FONT, GW.Enum.TextSizeType.Normal)
    cpf.customResourceBar.label:SetShadowColor(0, 0, 0, 1)
    cpf.customResourceBar.label:SetShadowOffset(1, -1)

    GW.RegisterMovableFrame(cpf, GW.L["Class Power"], "ClasspowerBar_pos", ALL .. ",Unitframe,Power", { 312, 32 },
        { "default", "scaleable" }, true)

    -- position mover
    if (not GW.settings.XPBAR_ENABLED or GW.settings.PLAYER_AS_TARGET_FRAME) and not cpf.isMoved then
        local framePoint = GW.settings.ClasspowerBar_pos
        local yOff = not GW.settings.XPBAR_ENABLED and 14 or 0
        local xOff = GW.settings.PLAYER_AS_TARGET_FRAME and 52 or 0
        cpf.gwMover:ClearAllPoints()
        cpf.gwMover:SetPoint(framePoint.point, UIParent, framePoint.relativePoint, framePoint.xOfs + xOff,
            framePoint.yOfs - yOff)
    end
    cpf:ClearAllPoints()
    SetClassPowerAnchor(cpf, cpf.gwMover, "TOPLEFT")

    -- need to pull it out of core because of not existing atlas files on non retail clients
    if GW.Retail then
        for i = 1, 6 do
            cpf.evoker["essence" .. i] = CreateFrame("Frame", nil, cpf.evoker, "GwEssencePointTemplate")
            cpf.evoker["essence" .. i]:SetSize(32, 32)
            cpf.evoker["essence" .. i]:SetPoint("LEFT", cpf.evoker, "LEFT", (i - 1) * 32, 0)
        end
    end

    cpf.auraExpirationTime = nil

    -- create an extra mana power bar that is used sometimes (feral druid in cat form) only if your Powerbar is on
    local lmb = GW.CreateAnimatedStatusBar("GwPlayerAltClassLmb", cpf, "GwStatusPowerBar", true)
    lmb.customMaskSize = 64
    lmb.bar = lmb
    lmb:AddToBarMask(lmb.intensity)
    lmb:AddToBarMask(lmb.intensity2)
    lmb:AddToBarMask(lmb.scrollTexture)
    lmb:AddToBarMask(lmb.scrollTexture2)
    lmb:AddToBarMask(lmb.runeoverlay)
    lmb.runicmask:SetSize(lmb:GetSize())
    lmb.runeoverlay:AddMaskTexture(lmb.runicmask)
    cpf.lmb = lmb

    lmb.decay = GW.CreateAnimatedStatusBar("GwPlayerAltClassLmbBarDecay", lmb, nil, true)
    lmb.decay:SetFillAmount(0)
    lmb.decay:SetFrameLevel(lmb.decay:GetFrameLevel() - 1)
    lmb.decay:ClearAllPoints()
    lmb.decay:SetPoint("TOPLEFT", lmb, "TOPLEFT", 0, 0)
    lmb.decay:SetPoint("BOTTOMRIGHT", lmb, "BOTTOMRIGHT", 0, 0)
    lmb:SetFrameStrata("MEDIUM")
    lmb.label:GwSetFontTemplate(DAMAGE_TEXT_FONT, GW.Enum.TextSizeType.Small)
    lmb.label:SetShadowColor(0, 0, 0, 1)
    lmb.label:SetShadowOffset(1, -1)

    --create extra mana power for retail
    cpf.lmbSecret = CreateFrame("StatusBar", "GwPlayerAltClassLmbSecret", cpf, "GwStatusPowerBarRetailTemplate")
    cpf.lmbSecret.bar = cpf.lmbSecret
    cpf.lmbSecret:SetSize(313, 14)
    cpf.lmbSecret:ClearAllPoints()
    cpf.lmbSecret:SetPoint("TOPLEFT", cpf)
    cpf.lmbSecret:SetFrameStrata("MEDIUM")
    cpf.lmbSecret.spark:SetHeight(3)
    cpf.lmbSecret.spark:ClearAllPoints()
    cpf.lmbSecret.spark:SetPoint("RIGHT", cpf.lmbSecret:GetStatusBarTexture(), "RIGHT", 0, 0)
    cpf.lmbSecret.label:GwSetFontTemplate(DAMAGE_TEXT_FONT, GW.Enum.TextSizeType.Small)
    cpf.lmbSecret.label:SetShadowColor(0, 0, 0, 1)
    cpf.lmbSecret.label:SetShadowOffset(1, -1)

    -- create an extra mana power bar that is used sometimes
    local exbar = GW.CreateAnimatedStatusBar("GwPlayerAltClassExBar", cpf, "GwStatusPowerBar", true)
    exbar.customMaskSize = 64
    exbar.bar = exbar
    exbar:AddToBarMask(exbar.intensity)
    exbar:AddToBarMask(exbar.intensity2)
    exbar:AddToBarMask(exbar.scrollTexture)
    exbar:AddToBarMask(exbar.scrollTexture2)
    exbar:AddToBarMask(exbar.runeoverlay)
    exbar.runicmask:SetSize(exbar:GetSize())
    exbar.runeoverlay:AddMaskTexture(exbar.runicmask)

    exbar.decay = GW.CreateAnimatedStatusBar("GwPlayerAltClassExBarDecay", exbar, nil, true)
    exbar.decay:SetFillAmount(0)
    exbar.decay:SetFrameLevel(exbar.decay:GetFrameLevel() - 1)
    exbar.decay:ClearAllPoints()
    exbar.decay:SetPoint("TOPLEFT", exbar, "TOPLEFT", 0, 0)
    exbar.decay:SetPoint("BOTTOMRIGHT", exbar, "BOTTOMRIGHT", 0, 0)

    --create extra mana power for retail
    cpf.exbarSecret = CreateFrame("StatusBar", "GwPlayerAltClassExBarSecret", cpf, "GwStatusPowerBarRetailTemplate")
    cpf.exbarSecret.bar = cpf.exbarSecret
    cpf.exbarSecret:SetSize(313, 14)
    cpf.exbarSecret:ClearAllPoints()
    cpf.exbarSecret:SetPoint("TOPLEFT", cpf)
    cpf.exbarSecret:SetFrameStrata("MEDIUM")
    cpf.exbarSecret.spark:ClearAllPoints()
    cpf.exbarSecret.spark:SetPoint("RIGHT", cpf.exbarSecret:GetStatusBarTexture(), "RIGHT", 0, 0)
    cpf.exbarSecret.label:GwSetFontTemplate(DAMAGE_TEXT_FONT, GW.Enum.TextSizeType.Normal)
    cpf.exbarSecret.label:SetShadowColor(0, 0, 0, 1)
    cpf.exbarSecret.label:SetShadowOffset(1, -1)

    if not (GW.Classic or GW.TBC) then
        GW.MixinHideDuringPetAndOverride(cpf)
        GW.MixinHideDuringPetAndOverride(cpf.defaultResourceBar)
        GW.MixinHideDuringPetAndOverride(cpf.customResourceBar)
        GW.MixinHideDuringPetAndOverride(cpf.customResourceBar.decay)
        GW.MixinHideDuringPetAndOverride(lmb)
        GW.MixinHideDuringPetAndOverride(lmb.decay)
        GW.MixinHideDuringPetAndOverride(cpf.lmbSecret)
        GW.MixinHideDuringPetAndOverride(exbar)
        GW.MixinHideDuringPetAndOverride(cpf.exbarSecret)
        GW.MixinHideDuringPetAndOverride(exbar.decay)
    end
    cpf.exbar = exbar

    exbar:SetPoint("TOPLEFT", cpf)

    exbar:SetFrameStrata("MEDIUM")
    exbar.label:GwSetFontTemplate(DAMAGE_TEXT_FONT, GW.Enum.TextSizeType.Normal)
    exbar.label:SetShadowColor(0, 0, 0, 1)
    exbar.label:SetShadowOffset(1, -1)

    -- set a bunch of other init styling stuff
    cpf.decayCounter.count:GwSetFontTemplate(DAMAGE_TEXT_FONT, GW.Enum.TextSizeType.BigHeader, "OUTLINE", 6)
    cpf.brewmaster.ironskin.indicatorText:GwSetFontTemplate(UNIT_NAME_FONT, GW.Enum.TextSizeType.Normal)
    cpf.brewmaster.ironskin.expires = 0
    cpf.disc.bar.overlay:SetModel(1372783)
    cpf.disc.bar.overlay:SetPosition(0, 0, 2)
    cpf.disc.bar.overlay:SetPosition(0, 0, 0)

    cpf.decay:SetScript("OnEvent", barChange_OnEvent)
    cpf.decay:RegisterEvent("PLAYER_SPECIALIZATION_CHANGED")
    cpf.decay:RegisterEvent("PLAYER_ENTERING_WORLD")
    cpf.decay:RegisterEvent("CHARACTER_POINTS_CHANGED")
    cpf.decay:RegisterEvent("UPDATE_SHAPESHIFT_FORM")
    cpf.decay:RegisterUnitEvent("UNIT_ENTERED_VEHICLE", "player")
    cpf.decay:RegisterUnitEvent("UNIT_EXITED_VEHICLE", "player")

    cpf.gwPlayerForm = GetShapeshiftFormID()
    cpf.unit = "player"
    cpf:Show()

    cpf.UpdateAlphaFader = UpdateAlphaFader

    UpdateSettings(cpf)
    updateVisibilitySetting(cpf, false)
    selectType(cpf)
    UpdateExtraManabar()
end
GW.LoadClassPowers = LoadClassPowers
