local _, shared = ...
---@cast shared HeimdallShared
local ModuleName = "CombatAlerter"

---@diagnostic disable-next-line: missing-fields
shared.CombatAlerter = {}
function shared.CombatAlerter.Init()
	local alerted = {}
	local combatAlerterFrame = CreateFrame("Frame")
	combatAlerterFrame:RegisterEvent("COMBAT_LOG_EVENT_UNFILTERED")
	combatAlerterFrame:SetScript("OnEvent", function(self, event, ...)
		if Heimdall_Data.config.combatAlerter.debug then
			print(string.format("[%s] Combat log event received", ModuleName))
		end
		if not Heimdall_Data.config.combatAlerter.enabled then
			if Heimdall_Data.config.combatAlerter.debug then
				print(string.format("[%s] Module disabled, ignoring combat event", ModuleName))
			end
			return
		end

		---@type string|nil, string, string
		local err, source, destination

		destination, err = CLEUParser.GetDestName(...)
		if err then
			if Heimdall_Data.config.combatAlerter.debug then
				print(string.format("[%s] Error getting destination: %s", ModuleName, err))
			end
			return
		end

		if Heimdall_Data.config.combatAlerter.debug then
			print(string.format("[%s] Combat event destination: %s", ModuleName, destination))
		end

		if destination ~= UnitName("player") then
			if Heimdall_Data.config.combatAlerter.debug then
				print(string.format("[%s] Ignoring event - not targeted at player", ModuleName))
			end
			return
		end

		source, err = CLEUParser.GetSourceName(...)
		if err then
			if Heimdall_Data.config.combatAlerter.debug then
				print(string.format("[%s] Error getting source, using 'unknown': %s", ModuleName, err))
			end
			source = "unknown"
		end

		if Heimdall_Data.config.combatAlerter.debug then
			print(string.format("[%s] Combat event source: %s", ModuleName, source))
		end

		if shared.stinkyTracker.stinkies and shared.stinkyTracker.stinkies[source] then
			if Heimdall_Data.config.combatAlerter.debug then
				print(
					string.format(
						"[%s] Source is tracked stinky: %s (Already alerted: %s)",
						ModuleName,
						source,
						tostring(alerted[source] or false)
					)
				)
			end
			if alerted[source] then return end

			alerted[source] = true
			local x, y = GetPlayerMapPosition("player")
			local zone, subZone = GetZoneText(), GetSubZoneText()

			if Heimdall_Data.config.combatAlerter.debug then
				print(
					string.format(
						"[%s] Player location: %s/%s at %.2f,%.2f",
						ModuleName,
						zone,
						subZone,
						x * 100,
						y * 100
					)
				)
			end

			SetMapToCurrentZone()
			SetMapByID(GetCurrentMapAreaID())
			local areaId = GetCurrentMapAreaID()

			for _, channel in pairs(Heimdall_Data.config.combatAlerter.channels) do
				local locale = shared.GetLocaleForChannel(channel)
				local text = string.format(
					shared._L("combatAlerterInCombat", locale),
					source,
					shared._L("zone", locale),
					shared._L("subZone", locale),
					tostring(areaId),
					x * 100,
					y * 100
				)
				---@type Message
				local msg = {
					channel = "C",
					data = channel,
					message = text,
				}
				if Heimdall_Data.config.combatAlerter.debug then
					print(string.format("[%s] Queuing alert message", ModuleName))
					shared.dump(msg)
				end
				table.insert(shared.messenger.queue, msg)
			end
		elseif Heimdall_Data.config.combatAlerter.debug then
			print(string.format("[%s] Source not in stinky list, ignoring: %s", ModuleName, source))
		end
	end)

	local combatTriggerFrame = CreateFrame("Frame")
	combatTriggerFrame:RegisterEvent("PLAYER_REGEN_DISABLED")
	combatTriggerFrame:RegisterEvent("PLAYER_REGEN_ENABLED")
	combatTriggerFrame:SetScript("OnEvent", function(self, event, ...)
		if Heimdall_Data.config.combatAlerter.debug then
			print(string.format("[%s] Combat state changed: %s", ModuleName, event))
			if event == "PLAYER_REGEN_DISABLED" then
				print(string.format("[%s] Entered combat - Resetting alerts", ModuleName))
			else
				print(string.format("[%s] Left combat - Resetting alerts", ModuleName))
			end
		end
		alerted = {}
	end)

	if Heimdall_Data.config.combatAlerter.debug then print(string.format("[%s] Module initialized", ModuleName)) end
	print("[Heimdall] CombatAlerter loaded")
end