---@class GW2
local GW = select(2, ...)
local L = GW.L
local GWGetClassColor = GW.GWGetClassColor
local IsIn = GW.IsIn

local GetChatCategory = ChatFrameUtil and ChatFrameUtil.GetChatCategory or Chat_GetChatCategory
local GetMobileEmbeddedTexture = (ChatFrameUtil and ChatFrameUtil.GetMobileEmbeddedTexture) or ChatFrame_GetMobileEmbeddedTexture

local AFKMode

local ignoreKeys = {
    LALT = true,
    LSHIFT = true,
    RSHIFT = true,
}
local printKeys = {
    PRINTSCREEN = true,
}

local animations = {
    wave = { id = 67, facing = 6, wait = 5, offsetX = -200, offsetY = 220, duration = 2.3 },
    dance = { id = 69, facing = 6, wait = 30, offsetX = -200, offsetY = 220, duration = 300 },
    sleep = { id = 71, facing = 1, wait = 30, offsetX = -200, offsetY = 220, duration = 3000 }
}

local function CancelTimer(timer)
    if timer then
        timer:Cancel()
    end
    return nil
end

local function UpdateTimer(self)
    local time = GetTime() - self.startTime
    self.bottom.time:SetFormattedText("%02d:%02d", floor(time / 60), time % 60)
end

local function GetAnimation(key)
    if not key then
        -- get next animation in row
        local current = AFKMode.bottom.model.curAnimation
        if current == "wave" then
            key = "dance"
        elseif current == "dance" then
            key = "sleep"
        else
            key = "wave"
        end
    end

    return animations[key], key
end

local function SetAnimation(key)
    local options, usedKey = GetAnimation(key)

    local model = AFKMode.bottom.model
    model.curAnimation = usedKey
    model.duration = options.duration
    model.idleDuration = options.wait
    model.startTime = GetTime()
    model.isIdle = nil

    model:SetFacing(options.facing)
    model:SetAnimation(options.id)

    if AFKMode.bottom.modelHolder then
        AFKMode.bottom.modelHolder:ClearAllPoints()
        AFKMode.bottom.modelHolder:SetPoint("BOTTOMRIGHT", AFKMode.bottom, options.offsetX, options.offsetY)
    end
end

local function SetAFK(self, status)
    if status then
        MoveViewLeftStart(0.035)
        self:Show()
        CloseAllWindows()
        UIParent:Hide()

        if IsInGuild() then
            local guildName, guildRankName = GetGuildInfo("player")
            self.bottom.guild:SetFormattedText("<%s> [%s]", guildName, guildRankName)
        else
            self.bottom.guild:SetText(L["No Guild"])
        end

        SetAnimation("wave")

        self.startTime = GetTime()
        self.timer = CancelTimer(self.timer)
        self.timer = C_Timer.NewTicker(1, function() UpdateTimer(self) end)

        self.chat:RegisterEvent("CHAT_MSG_WHISPER")
        self.chat:RegisterEvent("CHAT_MSG_BN_WHISPER")
        self.chat:RegisterEvent("CHAT_MSG_GUILD")

        self.isAFK = true
    elseif self.isAFK then
        UIParent:Show()
        self:Hide()
        MoveViewLeftStop()
        self.timer = CancelTimer(self.timer)
        self.animTimer = CancelTimer(self.animTimer)

        self.bottom.time:SetText("00:00")

        self.chat:UnregisterAllEvents()
        self.chat:Clear()
        if GW.Retail and PVEFrame:IsShown() then
            PVEFrame_ToggleFrame()
            PVEFrame_ToggleFrame()
        end

        self.isAFK = false
    end
end

local function AFKMode_OnEvent(self, event, arg1)
    if event == "PLAYER_REGEN_ENABLED" then
        self:UnregisterEvent(event)
    elseif IsIn(event, "PLAYER_REGEN_DISABLED", "LFG_PROPOSAL_SHOW", "UPDATE_BATTLEFIELD_STATUS") then
        if event ~= "UPDATE_BATTLEFIELD_STATUS" or (GetBattlefieldStatus(arg1) == "confirm") then
            SetAFK(self, false)
        end

        if event == "PLAYER_REGEN_DISABLED" then
            self:RegisterEvent("PLAYER_REGEN_ENABLED")
        end
        return
    elseif not GW.settings.AFK_MODE or (event == "PLAYER_FLAGS_CHANGED" and arg1 ~= "player") or (InCombatLockdown() or CinematicFrame:IsShown() or MovieFrame:IsShown()) then
        return
    elseif UnitCastingInfo("player") then
        --Don't activate afk if player is crafting stuff, check back in 30 seconds
        C_Timer.After(30, function() AFKMode_OnEvent(self) end)
        return
    end

    SetAFK(self, GW.UnitIsAFK("player") and not ((GW.Retail or GW.Mists) and C_PetBattles.IsInBattle()))
end

local function OnKeyDown(self, key)
    if ignoreKeys[key] then return end

    if printKeys[key] then
        Screenshot()
    elseif self.isAFK then
        SetAFK(self, false)
        if not self.nextCheck or GetTime() >= self.nextCheck then
            self.nextCheck = GetTime() + 60
            C_Timer.After(60, function()
                self.nextCheck = nil
                AFKMode_OnEvent(self)
            end)
        end
    end
end

local function Chat_OnMouseWheel(self, delta)
    if delta == 1 and IsShiftKeyDown() then
        self:ScrollToTop()
    elseif delta == -1 and IsShiftKeyDown() then
        self:ScrollToBottom()
    elseif delta == -1 then
        self:ScrollDown()
    else
        self:ScrollUp()
    end
end

local function Chat_OnEvent(self, event, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14)
    local infoType = strsub(event, 10)
    local info = ChatTypeInfo[infoType]

    local chatGroup = GetChatCategory(infoType)
    local chatTarget
    if chatGroup == "BN_CONVERSATION" then
        chatTarget = tostring(arg8)
    elseif chatGroup == "WHISPER" or chatGroup == "BN_WHISPER" then
        chatTarget = (GW.NotSecretValue(arg2) and strsub(arg2, 1, 2) ~= "|K") and strupper(arg2) or arg2
    end

    local playerLink
    local linkTarget = chatTarget and (":"..chatTarget) or ""
    if infoType ~= "BN_WHISPER" and infoType ~= "BN_CONVERSATION" then
        playerLink = format("|Hplayer:%s:%s:%s%s|h", arg2, arg11, chatGroup, linkTarget)
    else
        playerLink = format("|HBNplayer:%s:%s:%s:%s%s|h", arg2, arg13, arg11, chatGroup, linkTarget)
    end

    local isProtected = GW.ChatFunctions:IsMessageProtected(arg1)
    if not isProtected then
        arg1 = gsub(arg1, "%%", "%%%%")
        arg1 = RemoveExtraSpaces(arg1)
    end

    local isMobile = arg14 and GetMobileEmbeddedTexture(info.r, info.g, info.b)
    local message = format("%s%s", isMobile or "", arg1)

    local coloredName = (infoType == "BN_WHISPER" and GW.GetBNFriendColor(arg2, arg13)) or GW.ChatFunctions:GetColoredName(event, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9, arg10, arg11, arg12, arg13, arg14)
    local senderLink = format("%s[%s]|h", playerLink, coloredName)
    local success, msg = pcall(format, _G["CHAT_" .. infoType .. "_GET"] .. "%s", senderLink, message)
    if not success then return end

    if not isProtected and GW.settings.CHAT_SHORT_CHANNEL_NAMES then
        msg = msg:gsub("|Hchannel:(.-)|h%[(.-)%]|h", GW.ShortChannel)
        msg = msg:gsub("^(.-|h) " .. CHAT_WHISPER_GET:format("~"):gsub("~ ", ""):gsub(": ", ""), "%1")
        msg = msg:gsub("<" .. AFK .. ">", "[|cffFF0000" .. AFK .. "|r] ")
        msg = msg:gsub("<" .. DND .. ">", "[|cffE7E716" .. DND .. "|r] ")
        msg = msg:gsub("^%[" .. RAID_WARNING .. "%]", "[" .. L["RW"] .. "]")
        msg = msg:gsub("%[BN_CONVERSATION:", "%[".."")
    end

    local accessID = GW.ChatFunctions:GetAccessID(chatGroup, chatTarget)
    local typeID = GW.ChatFunctions:GetAccessID(infoType, chatTarget, arg12 or arg13)
    self:AddMessage(msg, info.r, info.g, info.b, info.id, false, accessID, typeID)
end

local function ToggelAfkMode()
    if GW.settings.AFK_MODE then
        AFKMode:RegisterEvent("PLAYER_FLAGS_CHANGED")
        AFKMode:RegisterEvent("PLAYER_REGEN_DISABLED")
        AFKMode:RegisterEvent("LFG_PROPOSAL_SHOW")
        AFKMode:RegisterEvent("UPDATE_BATTLEFIELD_STATUS")
        AFKMode:SetScript("OnEvent", AFKMode_OnEvent)
        AFKMode.chat:SetScript("OnEvent", Chat_OnEvent)

        C_CVar.SetCVar("autoClearAFK", "1")
    else
        AFKMode:UnregisterAllEvents()
        AFKMode:SetScript("OnEvent", nil)

        AFKMode.chat:SetScript("OnEvent", nil)
        AFKMode.chat:Clear()
        AFKMode.timer = CancelTimer(AFKMode.timer)
        AFKMode.animTimer = CancelTimer(AFKMode.animTimer)
    end
end
GW.ToggelAfkMode = ToggelAfkMode

local function UpdateClasscolor()
    local classColor = GWGetClassColor(GW.myclass, true, true)
    AFKMode.bottom.name:SetTextColor(classColor.r, classColor.g, classColor.b)
end

local function LoadAFKAnimation()
    local classColor = GWGetClassColor(GW.myclass, true, true)
    local playerName = GW.myname

    local BackdropFrame = {
        bgFile = "Interface/AddOns/GW2_UI/textures/uistuff/welcome-bg.png",
        edgeFile = "",
        tile = false,
        tileSize = 64,
        edgeSize = 32,
        insets = {left = 2, right = 2, top = 2, bottom = 2}
    }

    AFKMode = CreateFrame("Frame")
    AFKMode:SetFrameLevel(1)
    AFKMode:SetScale(UIParent:GetScale())
    AFKMode:SetAllPoints(UIParent)
    AFKMode:Hide()
    AFKMode:EnableKeyboard(true)
    AFKMode:SetScript("OnKeyDown", OnKeyDown)

    AFKMode.chat = CreateFrame("ScrollingMessageFrame", nil, AFKMode)
    AFKMode.chat:SetSize(500, 200)
    AFKMode.chat:SetPoint("TOPLEFT", AFKMode, "TOPLEFT", 4, -4)
    AFKMode.chat:GwSetFontTemplate(UNIT_NAME_FONT, GW.Enum.TextSizeType.Normal)
    AFKMode.chat:SetJustifyH("LEFT")
    AFKMode.chat:SetMaxLines(100)
    AFKMode.chat:EnableMouseWheel(true)
    AFKMode.chat:SetFading(false)
    AFKMode.chat:SetMovable(true)
    AFKMode.chat:UnregisterAllEvents()
    AFKMode.chat:EnableMouse(true)
    AFKMode.chat:RegisterForDrag("LeftButton")
    AFKMode.chat:SetScript("OnDragStart", AFKMode.chat.StartMoving)
    AFKMode.chat:SetScript("OnDragStop", AFKMode.chat.StopMovingOrSizing)
    AFKMode.chat:SetScript("OnMouseWheel", Chat_OnMouseWheel)
    AFKMode.chat:SetScript("OnEvent", Chat_OnEvent)

    AFKMode.bottom = CreateFrame("Frame", nil, AFKMode, "BackdropTemplate")
    AFKMode.bottom:SetFrameLevel(0)
    AFKMode.bottom:SetPoint("BOTTOM", AFKMode, "BOTTOM", 0, -5)
    AFKMode.bottom:SetBackdrop(BackdropFrame)
    AFKMode.bottom:SetWidth(GetScreenWidth() + (GW.border * 2))
    AFKMode.bottom:SetHeight(GetScreenHeight() * (1.5 / 10))

    local factionGroup, size, offsetX, offsetY, nameOffsetX, nameOffsetY = GW.myfaction, 140, -20, -8, -10, -36
    if factionGroup == "Neutral" then
        factionGroup, size, offsetX, offsetY, nameOffsetX, nameOffsetY = "Panda", 90, 15, 10, 20, -5
    end

    AFKMode.bottom.faction = AFKMode.bottom:CreateTexture(nil, "OVERLAY")
    AFKMode.bottom.faction:SetPoint("BOTTOMLEFT", AFKMode.bottom, "BOTTOMLEFT", offsetX, offsetY)
    AFKMode.bottom.faction:SetTexture("Interface/Timer/" .. factionGroup .. "-Logo")
    AFKMode.bottom.faction:SetSize(size, size)

    AFKMode.bottom.name = AFKMode.bottom:CreateFontString(nil, "OVERLAY")
    AFKMode.bottom.name:GwSetFontTemplate(UNIT_NAME_FONT, GW.Enum.TextSizeType.BigHeader, nil, 2)
    AFKMode.bottom.name:SetFormattedText("%s-%s", playerName, GW.myrealm)
    AFKMode.bottom.name:SetPoint("TOPLEFT", AFKMode.bottom.faction, "TOPRIGHT", nameOffsetX, nameOffsetY)
    AFKMode.bottom.name:SetTextColor(classColor.r, classColor.g, classColor.b)
    GW.Gw2ClassColorRegister(nil, UpdateClasscolor)

    AFKMode.bottom.guild = AFKMode.bottom:CreateFontString(nil, "OVERLAY")
    AFKMode.bottom.guild:GwSetFontTemplate(UNIT_NAME_FONT, GW.Enum.TextSizeType.BigHeader, nil, 2)
    AFKMode.bottom.guild:SetText(L["No Guild"])
    AFKMode.bottom.guild:SetPoint("TOPLEFT", AFKMode.bottom.name, "BOTTOMLEFT", 0, -6)
    AFKMode.bottom.guild:SetTextColor(0.7, 0.7, 0.7)

    AFKMode.bottom.time = AFKMode.bottom:CreateFontString(nil, "OVERLAY")
    AFKMode.bottom.time:GwSetFontTemplate(UNIT_NAME_FONT, GW.Enum.TextSizeType.BigHeader, nil, 2)
    AFKMode.bottom.time:SetText("00:00")
    AFKMode.bottom.time:SetPoint("TOPLEFT", AFKMode.bottom.guild, "BOTTOMLEFT", 0, -6)
    AFKMode.bottom.time:SetTextColor(0.7, 0.7, 0.7)

    --Use this frame to control position of the model
    AFKMode.bottom.modelHolder = CreateFrame("Frame", nil, AFKMode.bottom)
    AFKMode.bottom.modelHolder:SetSize(150, 150)

    AFKMode.bottom.model = CreateFrame("PlayerModel", nil, AFKMode.bottom.modelHolder)
    AFKMode.bottom.model:SetPoint("CENTER", AFKMode.bottom.modelHolder, "CENTER")
    AFKMode.bottom.model:SetSize(GetScreenWidth() * 2, GetScreenHeight() * 2)
    AFKMode.bottom.model:SetCamDistanceScale(4.5)
    AFKMode.bottom.model:SetUnit("player")
    AFKMode.bottom.model:SetScript("OnUpdate", function(self)
        if self.isIdle then return end
        local timePassed = GetTime() - self.startTime
        if timePassed >= self.duration then
            self:SetAnimation(0)
            self.isIdle = true

            AFKMode.animTimer = CancelTimer(AFKMode.animTimer)
            AFKMode.animTimer = C_Timer.NewTimer(self.idleDuration, function() SetAnimation() end)
        end
    end)

    ToggelAfkMode()

    if IsMacClient() then
        printKeys[KEY_PRINTSCREEN_MAC] = true
    end
end
GW.LoadAFKAnimation = LoadAFKAnimation
