-- Compatibility layer to use castbars provided by SuperWoW:
-- https://github.com/balakethelock/SuperWoW

-- DLL Status Check Command (always available)
pfUI.api.RegisterSlashCommand("PFDLLSTATUS", { "/pfdll" }, function()
  local chat = DEFAULT_CHAT_FRAME
  chat:AddMessage("|cff33ffccpfUI|r: DLL Status Check")

  -- SuperWoW
  if SUPERWOW_VERSION then
    chat:AddMessage("  |cff00ff00SuperWoW|r: v" .. tostring(SUPERWOW_VERSION))
  elseif SpellInfo or SetAutoloot then
    chat:AddMessage("  |cffffff00SuperWoW|r: Detected (old version)")
  else
    chat:AddMessage("  |cffff0000SuperWoW|r: Not detected")
  end

  -- Nampower
  if GetNampowerVersion then
    chat:AddMessage("  |cff00ff00Nampower|r: v" .. tostring(GetNampowerVersion()))
  else
    chat:AddMessage("  |cffff0000Nampower|r: Not detected")
  end

  -- ClassicAPI
  if CLASSIC_API_VERSION then
    chat:AddMessage("  |cff00ff00ClassicAPI|r: v" .. CLASSIC_API_VERSION)
  else
    chat:AddMessage("  |cffff0000ClassicAPI|r: Not detected")
  end

  -- Check if castbar exists for indicator positioning
  if pfUI.castbar and pfUI.castbar.player then
    chat:AddMessage("  |cff00ff00Castbar|r: Available for indicator anchoring")
  else
    chat:AddMessage("  |cffffff00Castbar|r: Not available (indicators use fallback position)")
  end

  -- Check indicator frames
  if pfUI.uf and pfUI.uf.target then
    chat:AddMessage("  |cff00ff00Target frame|r: exists")
  else
    chat:AddMessage("  |cffff0000Target frame|r: NOT found")
  end
end, true)

pfUI:RegisterModule("superwow", function ()
  if SetAutoloot and SpellInfo and not SUPERWOW_VERSION then
    -- Turn every enchanting link that we create in the enchanting frame,
    -- from "spell:" back into "enchant:". The enchant-version is what is
    -- used by all unmodified game clients. This is required to generate
    -- usable links for everyone from the enchant frame while having SuperWoW.
    local HookGetCraftItemLink = GetCraftItemLink
    _G.GetCraftItemLink = function(index)
      local link = HookGetCraftItemLink(index)
      return string.gsub(link, "spell:", "enchant:")
    end

    -- Convert every enchanting link that we receive into a
    -- spell link, as for some reason SuperWoW can't handle
    -- enchanting links at all and requires it to be a spell.
    local HookSetItemRef = SetItemRef
    _G.SetItemRef = function(link, text, button)
      link = string.gsub(link, "enchant:", "spell:")
      HookSetItemRef(link, text, button)
    end

    local HookGameTooltipSetHyperlink = GameTooltip.SetHyperlink
    _G.GameTooltip.SetHyperlink = function(self, link)
      link = string.gsub(link, "enchant:", "spell:")
      HookGameTooltipSetHyperlink(self, link)
    end

    DEFAULT_CHAT_FRAME:AddMessage("|cffffffaaAn old version of SuperWoW was detected. Please consider updating:")
    DEFAULT_CHAT_FRAME:AddMessage("-> https://github.com/balakethelock/SuperWoW/releases/")
  end

  if SUPERWOW_VERSION == "1.5" then
    QueueFunction(function()
      local pfCombatText_AddMessage = _G.CombatText_AddMessage
      _G.CombatText_AddMessage = function(message, a, b, c, d, e, f)
        local match, _, hex = string.find(message, ".+ %[(0x.+)%]")
        if hex and UnitName(hex) then
          message = string.gsub(message, hex, UnitName(hex))
        end

        pfCombatText_AddMessage(message, a, b, c, d, e, f)
      end
    end)
  end

  -- TrackUnit API for adding group members to minimap
  -- Tracks friendly units on the minimap for easier group coordination
  if TrackUnit and C.unitframes.track_group == "1" then
    local trackFrame = CreateFrame("Frame")
    trackFrame:RegisterEvent("PARTY_MEMBERS_CHANGED")
    trackFrame:RegisterEvent("RAID_ROSTER_UPDATE")
    trackFrame:RegisterEvent("PLAYER_ENTERING_WORLD")
    trackFrame:RegisterEvent("PLAYER_LOGOUT")

    trackFrame:SetScript("OnEvent", function()
      -- Handle shutdown to prevent crash 132
      if event == "PLAYER_LOGOUT" then
        this:UnregisterAllEvents()
        this:SetScript("OnEvent", nil)
        return
      end

      -- Track party members
      for i = 1, 4 do
        local unit = "party" .. i
        if UnitExists(unit) and UnitIsConnected(unit) then
          pcall(TrackUnit, unit)
        end
      end

      -- Track raid members
      for i = 1, 40 do
        local unit = "raid" .. i
        if UnitExists(unit) and UnitIsConnected(unit) and not UnitIsUnit(unit, "player") then
          pcall(TrackUnit, unit)
        end
      end
    end)
  end

  -- Raid Marker Targeting API
  -- Allows targeting units by raid marker ("mark1" to "mark8")
  if SUPERWOW_VERSION then
    pfUI.api.GetMarkedUnit = function(markIndex)
      local markUnit = "mark" .. markIndex
      if UnitExists(markUnit) then
        return markUnit
      end
      return nil
    end

    pfUI.api.TargetMark = function(markIndex)
      local markUnit = "mark" .. markIndex
      if UnitExists(markUnit) then
        TargetUnit(markUnit)
        return true
      end
      return false
    end

    -- Get owner of pet/totem using "owner" suffix
    pfUI.api.GetUnitOwner = function(unit)
      local ownerUnit = unit .. "owner"
      if UnitExists(ownerUnit) then
        return UnitName(ownerUnit), ownerUnit
      end
      return nil
    end
  end

  -- Clickthrough Mode API
  -- Allows clicking through corpses to loot underneath
  if Clickthrough then
    pfUI.api.SetClickthrough = function(enabled)
      Clickthrough(enabled and 1 or 0)
    end

    pfUI.api.GetClickthrough = function()
      return Clickthrough() == 1
    end

    pfUI.api.ToggleClickthrough = function()
      local current = Clickthrough()
      Clickthrough(current == 1 and 0 or 1)
      return Clickthrough() == 1
    end

    -- Add slash command for clickthrough toggle
    pfUI.api.RegisterSlashCommand("PFCLICKTHROUGH", { "/clickthrough", "/ct" }, function()
      local enabled = pfUI.api.ToggleClickthrough()
      DEFAULT_CHAT_FRAME:AddMessage("|cff33ffccpfUI|r: Clickthrough mode " .. (enabled and "|cff00ff00enabled|r" or "|cffff0000disabled|r"))
    end, true)
  end

end)