local _, PRT = ...
local L = LibStub("AceLocale-3.0"):GetLocale("PhenomRaidTools")

local Message = {
  defaultTargets = {
    "$me",
    "ALL",
    "HEALER",
    "TANKS",
    "DAMAGER"
  }
}

PRT.Message = Message

local CooldownSoundFileMapping = {
  [64843] = "PRT: Divine Hymn",
  [265202] = "PRT: Holy Word: Salvation",
  [740] = "PRT: Tranquility",
  [108280] = "PRT: Healing Tide Totem",
  [115310] = "PRT: Revival",
  [62618] = "PRT: Power Word: Barrier",
  [98008] = "PRT: Spirit Link Totem",
  [31821] = "PRT: Aura Mastery",
  [320420] = "PRT: Darkness",
  [51052] = "PRT: Anti Magic Zone",
  [97462] = "PRT: Rallying Cry",
  [109964] = "PRT: Spirit Shell",
  [316958] = "PRT: Ashen Hallow"
}

local Cooldowns = {
  externals = {
    33206, -- Pain Suppression
    47788, -- Guardian Spirit
    102342, -- Iron Bark
    6940, -- Blessing of Sacrifice
    1022, -- Blessing of Protection
    204018, -- Blessing of Spellwarding
    116849 -- Life Cocoon
  },
  raidHeal = {
    64843, -- Divine Hymn
    265202, -- Holy Word: Salvation
    740, -- Tranquility
    108280, -- Healing Tide Totem
    115310, -- Revival
    31884, -- Wings
    33891, -- Tree
    197721, -- Flourish
    62618, -- Power Word: Barrier
    98008, -- Spirit Link Totem
    31821, -- Aura Mastery
    320420, -- Darkness
    51052, -- AMC
    109964, -- Spirit Shell
    316958, -- Ashen Hallow
    97462 -- Rallying Cry
  },
  utility = {
    192077, -- Windrush Totem
    106898, -- Stampeding Roar
    16191, -- Mana Tide
    64901, -- Symbol of Hope
    108281, -- Ancestral Guidance
    15286 -- Embrace
  },
  immunities = {
    642, -- Divine Shield
    45438, -- Iceblock
    186265, -- Turtle
    196555, -- Netherwalk
    31224 -- Cloak of Shadows
  }
}

local cooldownIconSize = 20

-------------------------------------------------------------------------------
-- Local Helper

function Message.TargetsPreviewString(targets)
  if targets then
    local previewNames = {}

    for _, target in ipairs(targets) do
      local names = {strsplit(",", PRT.ReplacePlayerNameTokens(target))}

      for _, name in ipairs(names) do
        local trimmedName = strtrim(name, " ")
        local coloredName = PRT.ClassColoredName(trimmedName)

        tinsert(previewNames, coloredName)
      end
    end

    return strjoin(", ", unpack(previewNames))
  else
    return ""
  end
end

function Message.ColoredRaidPlayerNames()
  local playerNames = {}

  for _, name in ipairs(PRT.PartyNames(false)) do
    tinsert(playerNames, {id = name, name = PRT.ClassColoredName(name)})
  end

  return playerNames
end

function Message.GenerateRaidRosterDropdownItems()
  local raidRosterItems = {}

  -- Add Raid Roster entries
  for k, v in pairs(PRT.GetProfileDB().raidRoster) do
    local name = PRT.ClassColoredName(v)

    name = "$" .. k .. " (" .. name .. ")"

    tinsert(raidRosterItems, {id = "$" .. k, name = name})
  end

  -- Add Custom Encounter Placeholder
  -- Hacky because we do not have the encounter here...
  if PRT.currentEncounter then
    if PRT.currentEncounter.encounter then
      if PRT.currentEncounter.encounter.CustomPlaceholders then
        for customEncounterPlaceholderName, customEncounterPlaceholder in pairs(PRT.currentEncounter.encounter.CustomPlaceholders) do
          local coloredNames = {}

          for _, name in pairs(customEncounterPlaceholder.characterNames or {}) do
            tinsert(coloredNames, PRT.ClassColoredName(name))
          end

          local name = strjoin(", ", unpack(coloredNames))
          name = "$" .. customEncounterPlaceholderName .. " (" .. name .. ")"
          tinsert(raidRosterItems, {id = "$" .. customEncounterPlaceholderName, name = name})
        end
      end
    end
  end

  -- Add Custom Placeholder
  for customPlaceholderName, customPlaceholder in pairs(PRT.GetProfileDB().customPlaceholders) do
    local coloredNames = {}

    for _, name in pairs(customPlaceholder.characterNames or {}) do
      tinsert(coloredNames, PRT.ClassColoredName(name))
    end

    local name = strjoin(", ", unpack(coloredNames))
    name = "$" .. customPlaceholderName .. " (" .. name .. ")"
    tinsert(raidRosterItems, {id = "$" .. customPlaceholderName, name = name})
  end

  -- Add groups
  local groupItems = {}
  for i = 1, 8, 1 do
    local identifier = "$group" .. i
    if not tContains(groupItems, identifier) then
      tinsert(groupItems, identifier)
    end
  end

  for _, v in ipairs(groupItems) do
    tinsert(raidRosterItems, {id = v, name = v})
  end

  -- Add default targets (HEALER, TANK etc.)
  for _, name in ipairs(Message.defaultTargets) do
    tinsert(raidRosterItems, {id = name, name = name})
  end

  tinsert(raidRosterItems, {id = "$target", name = "$target"})

  raidRosterItems = PRT.TableUtils.MergeMany(raidRosterItems, Message.ColoredRaidPlayerNames())
  PRT.TableUtils.SortByKey(raidRosterItems, "name")
  return raidRosterItems
end

local function CooldownActionPreviewString(action)
  if action.withCountdown then
    return format("{spell:%s} %%.0f {spell:%s}", action.spellID or "", action.spellID or "")
  else
    return format("{spell:%s}", action.spellID or "")
  end
end

function Message.CompilePossibleCooldownItems()
  local cooldownItems = {
    {
      id = "custom",
      name = "|cFFf5b247" .. L["* Custom *"] .. "|r"
    }
  }
  for _, cooldownGroup in pairs(Cooldowns) do
    for _, spellID in ipairs(cooldownGroup) do
      local name = GetSpellInfo(spellID)

      if name then
        local cooldownItem = {
          id = spellID,
          name = strjoin(" ", PRT.TextureStringBySpellID(spellID), name)
        }

        tinsert(cooldownItems, cooldownItem)
      end
    end
  end

  return cooldownItems
end

local function AddLoadTemplateActionWidgets(container, action)
  local templates = {}

  for templateName, _ in pairs(PRT.GetProfileDB().templateStore.messages) do
    tinsert(templates, {id = templateName, name = templateName})
  end

  local templatesDropdown = PRT.Dropdown(L["Templates"], nil, templates)
  templatesDropdown:SetCallback(
    "OnValueChanged",
    function(widget)
      local templateMessage = PRT.GetProfileDB().templateStore.messages[widget:GetValue()]

      if templateMessage then
        local newAction = PRT.TableUtils.Clone(templateMessage)
        PRT.TableUtils.OverwriteValues(action, newAction)
        container:ReleaseChildren()
        PRT.MessageWidget(action, container)
        PRT.Core.UpdateScrollFrame()
      end
    end
  )

  container:AddChild(templatesDropdown)
end

local function AddRaidWarningActionWidgets(container, action)
  local messagePreviewLabel = PRT.Label(L["Preview: "] .. PRT.PrepareMessageForDisplay(action.message))
  messagePreviewLabel:SetRelativeWidth(1)

  local messageEditBox = PRT.EditBox(L["Message"], nil, action.message, true)
  messageEditBox:SetRelativeWidth(1)
  messageEditBox:SetCallback(
    "OnEnterPressed",
    function(widget)
      local text = widget:GetText()
      action.message = text
      widget:ClearFocus()
      messagePreviewLabel:SetText(L["Preview "] .. PRT.PrepareMessageForDisplay(action.message))
    end
  )

  local note = PRT.Label(L["Note: Not every element can be displayed in a raid warning e.g. icons."])

  container:AddChild(messageEditBox)
  container:AddChild(messagePreviewLabel)
  container:AddChild(note)
end

local function AddRaidTargetActionWidgets(container, action)
  local possibleTargets = Message.ColoredRaidPlayerNames()
  tinsert(possibleTargets, "$target")

  local targetDropdown = PRT.Dropdown(L["Target"], L["Player who should be marked"], possibleTargets, action.targets[1], true)
  local raidTargetDropdown = PRT.Dropdown(L["Raidtarget"], nil, PRT.Static.Tables.RaidTargets, action.raidtarget, true)

  targetDropdown:SetCallback(
    "OnValueChanged",
    function(widget)
      wipe(action.targets)
      tinsert(action.targets, widget:GetValue())
    end
  )

  raidTargetDropdown:SetCallback(
    "OnValueChanged",
    function(widget)
      local value = widget:GetValue()
      if value == 999 then
        value = 0
      end
      action.raidtarget = value
    end
  )

  container:AddChild(targetDropdown)
  container:AddChild(raidTargetDropdown)
end

local function AddCooldownActionWidgets(container, action)
  local possibleTargets = Message.GenerateRaidRosterDropdownItems()
  local possibleCooldowns = Message.CompilePossibleCooldownItems()
  local targetDropdown = PRT.Dropdown(L["Target"], L["Player who should receive the message"], possibleTargets, action.targets[1], true)
  local cooldownSpellDropdownValue

  if action.hasCustomSpellID then
    cooldownSpellDropdownValue = "custom"
  else
    cooldownSpellDropdownValue = action.spellID
  end

  local cooldownSpellDropdown = PRT.Dropdown(L["Spell"], nil, possibleCooldowns, cooldownSpellDropdownValue, false, true)
  local actionPreview = PRT.Label(L["Preview: "] .. PRT.PrepareMessageForDisplay(CooldownActionPreviewString(action)))
  actionPreview:SetRelativeWidth(1)
  targetDropdown:SetCallback(
    "OnValueChanged",
    function(widget)
      wipe(action.targets)
      tinsert(action.targets, widget:GetValue())
    end
  )

  cooldownSpellDropdown:SetCallback(
    "OnValueChanged",
    function(widget)
      local value = widget:GetValue()
      action.spellID = value
      local previewString = CooldownActionPreviewString(action)
      action.message = previewString

      local soundFileName = CooldownSoundFileMapping[value]
      if soundFileName then
        local path = AceGUIWidgetLSMlists.sound[soundFileName]
        action.useCustomSound = true
        action.soundFile = path
        action.soundFileName = soundFileName
      else
        action.useCustomSound = false
        action.soundFile = nil
        action.soundFileName = nil
      end

      action.hasCustomSpellID = value == "custom"

      container:ReleaseChildren()
      AddCooldownActionWidgets(container, action)
      PRT.Core.UpdateScrollFrame()
      actionPreview:SetText(L["Preview: "] .. PRT.PrepareMessageForDisplay(CooldownActionPreviewString(action)))
    end
  )

  local targetOverlayDropdownItems = {}
  for _, overlay in ipairs(PRT.GetProfileDB().overlay.receivers) do
    local targetOverlayItem = {
      id = overlay.id,
      name = overlay.id .. ": " .. overlay.label
    }

    tinsert(targetOverlayDropdownItems, targetOverlayItem)
  end

  local targetOverlayDropdown = PRT.Dropdown(L["Target Overlay"], L["Overlay on which the message should show up"], targetOverlayDropdownItems, (action.targetOverlay or 1))
  targetOverlayDropdown:SetCallback(
    "OnValueChanged",
    function(widget)
      action.targetOverlay = widget:GetValue()
    end
  )

  local withCountdownCheckbox = PRT.CheckBox(L["Countdown"], L["Will show a countdown of 5 seconds"], action.withCountdown)
  withCountdownCheckbox:SetCallback(
    "OnValueChanged",
    function(widget)
      action.withCountdown = widget:GetValue()
      actionPreview:SetText(L["Preview: "] .. PRT.PrepareMessageForDisplay(CooldownActionPreviewString(action)))
    end
  )

  container:AddChild(targetDropdown)
  container:AddChild(targetOverlayDropdown)
  container:AddChild(cooldownSpellDropdown)

  if action.hasCustomSpellID then
    local customSpellIDEditBox = PRT.EditBox(L["Spell"], L["Can be either of\n- valid unique spell ID\n- spell name known to the player character"], action.spellID)
    customSpellIDEditBox:SetCallback(
      "OnEnterPressed",
      function(widget)
        local text = widget:GetText()
        local spellId = select(7, GetSpellInfo(text))

        if not spellId then
          widget:SetText(nil)
          action.spellId = nil
          action.message = nil
          if not PRT.StringUtils.IsEmpty(text) then
            PRT.Warn("Your entered spell id", PRT.HighlightString(text), "does not exist.")
          end
        else
          action.spellID = spellId
          local previewString = CooldownActionPreviewString(action)

          action.message = previewString
          actionPreview:SetText(L["Preview: "] .. PRT.PrepareMessageForDisplay(CooldownActionPreviewString(action)))
        end

        widget:ClearFocus()
      end
    )

    container:AddChild(customSpellIDEditBox)
  end

  container:AddChild(withCountdownCheckbox)
  container:AddChild(actionPreview)
end

local function AddAdvancedActionWidgets(container, message)
  -- TODO: Rename message to action
  local targetsString = strjoin(", ", unpack(message.targets))
  local targetsPreviewString = Message.TargetsPreviewString(message.targets)
  local raidRosterItems = Message.GenerateRaidRosterDropdownItems()

  local targetGroup = PRT.SimpleGroup()
  targetGroup:SetLayout("Flow")
  local targetsEditBox =
    PRT.EditBox(L["Targets"], L["Can be either of\n- Player name\n- Custom Placeholder (e.g. $tank1)\n- $target (event target)\n- TANK, HEALER, DAMAGER"], targetsString, true)
  targetsEditBox:SetRelativeWidth(0.6)

  local targetsPreviewLabel = PRT.Label(L["Preview: "] .. PRT.PrepareMessageForDisplay(targetsPreviewString))
  targetsPreviewLabel:SetRelativeWidth(1)

  local raidRosterDropdown = PRT.Dropdown(L["Add Target"], L["Selected player/placeholder will be\nadded to the list of targets."], raidRosterItems)
  raidRosterDropdown:SetRelativeWidth(0.4)

  local soundSelect = PRT.SoundSelect(L["Sound"], (message.soundFileName or L["PRT: Default"]))
  soundSelect:SetRelativeWidth(0.5)
  soundSelect:SetCallback(
    "OnValueChanged",
    function(widget, _, value)
      local path = AceGUIWidgetLSMlists.sound[value]
      message.soundFile = path
      message.soundFileName = value
      widget:SetText(value)

      if path then
        PlaySoundFile(path, "Master")
      end
    end
  )

  local useCustomSoundCheckbox = PRT.CheckBox(L["Custom Sound"], nil, message.useCustomSound)
  useCustomSoundCheckbox:SetRelativeWidth(0.5)
  useCustomSoundCheckbox:SetCallback(
    "OnValueChanged",
    function(widget)
      local value = widget:GetValue()
      message.useCustomSound = value
      PRT.ReSelectTab(container)
    end
  )

  targetsEditBox:SetCallback(
    "OnEnterPressed",
    function(widget)
      local text = widget:GetText()
      local targets = PRT.StringUtils.SplitToTable(text)
      message.targets = targets

      targetsPreviewLabel:SetText(L["Preview: "] .. PRT.PrepareMessageForDisplay(Message.TargetsPreviewString(message.targets)))
      widget:ClearFocus()
    end
  )

  raidRosterDropdown:SetCallback(
    "OnValueChanged",
    function(widget)
      tinsert(message.targets, widget:GetValue())
      targetsEditBox:SetText(strjoin(", ", unpack(message.targets)))
      targetsPreviewLabel:SetText(L["Preview: "] .. PRT.PrepareMessageForDisplay(Message.TargetsPreviewString(message.targets)))
      widget:SetValue(nil)
    end
  )

  local messagePreviewLabel = PRT.Label(L["Preview: "] .. PRT.PrepareMessageForDisplay(message.message))
  messagePreviewLabel:SetRelativeWidth(1)
  local messageEditBox =
    PRT.EditBox(
    L["Message"],
    L["Supports following special symbols\n- $target (event target)\n- Custom placeholders (e.g. $tank1)\n- Spell icons (e.g. {spell:17}\n- Raidmarks (e.g. {rt1})"],
    message.message,
    true
  )
  messageEditBox:SetRelativeWidth(1)
  messageEditBox:SetCallback(
    "OnEnterPressed",
    function(widget)
      local text = widget:GetText()
      message.message = text
      widget:ClearFocus()
      messagePreviewLabel:SetText(L["Preview: "] .. PRT.PrepareMessageForDisplay(message.message))
    end
  )

  local delaySlider = PRT.Slider(L["Delay"], L["After how many seconds the\nmessage should be displayed."], message.delay, true)
  delaySlider:SetRelativeWidth(0.3)
  delaySlider:SetCallback(
    "OnValueChanged",
    function(widget)
      message.delay = tonumber(widget:GetValue())
    end
  )

  local durationSlider = PRT.Slider(L["Duration"], L["How long the message should be displayed."], message.duration, true)
  durationSlider:SetRelativeWidth(0.3)
  durationSlider:SetSliderValues(0, 60, 0.5)
  durationSlider:SetCallback(
    "OnValueChanged",
    function(widget)
      message.duration = tonumber(widget:GetValue())
    end
  )

  local targetOverlayDropdownItems = {}
  for _, overlay in ipairs(PRT.GetProfileDB().overlay.receivers) do
    tinsert(targetOverlayDropdownItems, {id = overlay.id, name = overlay.id .. ": " .. overlay.label})
  end

  local targetOverlayDropdown = PRT.Dropdown(L["Target Overlay"], L["Overlay on which the message should show up"], targetOverlayDropdownItems, (message.targetOverlay or 1))
  targetOverlayDropdown:SetCallback(
    "OnValueChanged",
    function(widget)
      message.targetOverlay = widget:GetValue()
    end
  )

  targetGroup:AddChild(targetsEditBox)
  targetGroup:AddChild(raidRosterDropdown)
  targetGroup:AddChild(targetsPreviewLabel)

  container:AddChild(targetGroup)

  local messageGroup = PRT.SimpleGroup()
  messageGroup:SetLayout("Flow")
  messageGroup:AddChild(messageEditBox)
  messageGroup:AddChild(messagePreviewLabel)

  container:AddChild(messageGroup)

  for cooldownGroupName, cooldownGroup in pairs(Cooldowns) do
    local cooldownGroupContainer = PRT.SimpleGroup(cooldownGroupName)
    cooldownGroupContainer:SetLayout("Flow")

    for _, spellID in ipairs(cooldownGroup) do
      local spellExists = GetSpellInfo(spellID)
      if spellExists then
        local spellIcon = PRT.Icon(spellID)
        spellIcon:SetHeight(cooldownIconSize + 4)
        spellIcon:SetWidth(cooldownIconSize + 4)
        spellIcon:SetImageSize(cooldownIconSize, cooldownIconSize)

        spellIcon:SetCallback(
          "OnClick",
          function()
            message.message = message.message .. "{spell:" .. spellID .. "}"
            messageEditBox:SetText(message.message)
            messagePreviewLabel:SetText(L["Preview: "] .. PRT.PrepareMessageForDisplay(message.message))
          end
        )
        cooldownGroupContainer:AddChild(spellIcon)
      end
    end

    container:AddChild(cooldownGroupContainer)
  end

  local offsetsGroup = PRT.SimpleGroup()
  offsetsGroup:SetLayout("Flow")
  offsetsGroup:AddChild(delaySlider)
  offsetsGroup:AddChild(durationSlider)

  container:AddChild(offsetsGroup)
  container:AddChild(targetOverlayDropdown)

  local customSoundGroup = PRT.SimpleGroup()
  customSoundGroup:SetLayout("Flow")
  customSoundGroup:AddChild(useCustomSoundCheckbox)

  if message.useCustomSound then
    customSoundGroup:AddChild(soundSelect)
  end

  container:AddChild(customSoundGroup)
end

local function SetActionTypeDefaults(action)
  if action.type == "cooldown" then
    action.message = nil
    action.spellID = nil
  end
end

local function AddActionTypeWidgets(container, action)
  local actionTypeDropdownItems = {
    [1] = {
      id = "cooldown",
      name = L["Cooldown"]
    },
    [2] = {
      id = "raidwarning",
      name = L["Raidwarning"]
    },
    [3] = {
      id = "raidtarget",
      name = L["Raidtarget"]
      -- disabled = true
    },
    [4] = {
      id = "advanced",
      name = L["Advanced"]
    },
    [5] = {
      id = "loadTemplate",
      name = L["Load Template"],
      disabled = PRT.TableUtils.IsEmpty(PRT.GetProfileDB().templateStore.messages)
    }
  }

  local actionTypeDropdown = PRT.Dropdown(L["Type"], nil, actionTypeDropdownItems, action.type or "advanced", false, true)
  actionTypeDropdown:SetCallback(
    "OnValueChanged",
    function(widget)
      local value = widget:GetValue()
      action.type = value
      SetActionTypeDefaults(action)
      container:ReleaseChildren()
      PRT.MessageWidget(action, container)
      PRT.ReSelectTab(container)
    end
  )

  container:AddChild(actionTypeDropdown)
end

local function AddTemplateWidgets(container, message)
  local saveAsTemplateButton = PRT.Button(L["Save as template"])
  local saveAsTemplateNameEditbox = PRT.EditBox(L["Template Name"])
  saveAsTemplateNameEditbox:SetCallback(
    "OnEnterPressed",
    function(widget)
      local value = widget:GetText()

      if PRT.GetProfileDB().templateStore.messages[value] then
        PRT.Warn("A template with this name already exists. Please choose antother name.")
        widget:SetText("")
      else
        widget:ClearFocus()
      end
    end
  )

  saveAsTemplateButton:SetCallback(
    "OnClick",
    function()
      PRT.ConfirmationDialog(
        L["Are you sure you want to save this message as template?"],
        function()
          local templateName = saveAsTemplateNameEditbox:GetText()

          if not PRT.StringUtils.IsEmpty(templateName) then
            PRT.Info("The template was saved.")

            -- make sure a message always has a type
            message.type = message.type or "advanced"

            PRT.GetProfileDB().templateStore.messages[templateName] = PRT.TableUtils.Clone(message)
            saveAsTemplateNameEditbox:SetText("")
          end
        end,
        {
          saveAsTemplateNameEditbox
        }
      )
    end
  )

  container:AddChild(saveAsTemplateButton)
end

-------------------------------------------------------------------------------
-- Public API

function PRT.MessageWidget(message, container, saveableAsTemplate)
  AddActionTypeWidgets(container, message)

  if message.type == "cooldown" then
    local cooldownActionGroup = PRT.SimpleGroup()
    AddCooldownActionWidgets(cooldownActionGroup, message)
    container:AddChild(cooldownActionGroup)
  elseif message.type == "loadTemplate" then
    AddLoadTemplateActionWidgets(container, message)
  elseif message.type == "raidwarning" then
    AddRaidWarningActionWidgets(container, message)
  elseif message.type == "raidtarget" then
    AddRaidTargetActionWidgets(container, message)
  else
    AddAdvancedActionWidgets(container, message)
  end

  if saveableAsTemplate then
    AddTemplateWidgets(container, message)
  end
end
