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

---@class HeimdallMessengerConfig
---@field enabled boolean
---@field debug boolean
---@field interval number

---@class HeimdallMessengerData
---@field queue ReactiveValue<table<string, Message>>
---@field ticker Timer?

---@class Message
---@field message string
---@field channel string
---@field data string

---@class Messenger
shared.Messenger = {
	---@param message Message
	Enqueue = function(message) table.insert(shared.messenger.queue, message) end,
	Init = function()
		shared.messenger = {
			queue = ReactiveValue.new({}),
		}

		local function FindOrJoinChannel(channelName, password)
			local channelId = GetChannelName(channelName)
			if channelId == 0 then
				if Heimdall_Data.config.messenger.debug then
					print(string.format("[%s] Channel not found, joining: %s", ModuleName, channelName))
				end
				if password then
					JoinPermanentChannel(channelName, password)
				else
					JoinPermanentChannel(channelName)
				end
			end
			channelId = GetChannelName(channelName)
			if Heimdall_Data.config.messenger.debug then
				print(string.format("[%s] Channel found with ID: %s (%s)", ModuleName, channelId, channelName))
			end
			return channelId
		end

		if not shared.messenger.ticker then
			local function DoMessage()
				-- if Heimdall_Data.config.messenger.debug then
				-- 	print(
				-- 		string.format(
				-- 			"[%s] Processing message queue - Size: %d",
				-- 			ModuleName,
				-- 			#shared.messenger.queue:get()
				-- 		)
				-- 	)
				-- end

				if not Heimdall_Data.config.messenger.enabled then
					-- if Heimdall_Data.config.messenger.debug then
					-- 	print(string.format("[%s] Module disabled, skipping message processing", ModuleName))
					-- end
					return
				end

				---@type Message
				local message = shared.messenger.queue[1]
				if not message then
					-- if Heimdall_Data.config.messenger.debug then
					-- 	print(string.format("[%s] Message queue empty", ModuleName))
					-- end
					return
				end

				if Heimdall_Data.config.messenger.debug then shared.dump(message, "[%s] Processing message:") end

				if not message.message or message.message == "" then
					if Heimdall_Data.config.messenger.debug then
						shared.dump(message, string.format("[%s] Invalid message: empty content", ModuleName))
					end
					return
				end

				if not message.channel or message.channel == "" then
					if Heimdall_Data.config.messenger.debug then
						shared.dump(message, string.format("[%s] Invalid message: no channel specified", ModuleName))
					end
					return
				end

				if string.find(message.channel, "^C") then
					if Heimdall_Data.config.messenger.debug then
						shared.dump(
							message,
							string.format("[%s] Converting channel type from C to CHANNEL", ModuleName)
						)
					end
					message.channel = "CHANNEL"
				elseif string.find(message.channel, "^W") then
					if Heimdall_Data.config.messenger.debug then
						shared.dump(
							message,
							string.format("[%s] Converting channel type from W to WHISPER", ModuleName)
						)
					end
					message.channel = "WHISPER"
				end

				if message.channel == "CHANNEL" and message.data and string.match(message.data, "%D") then
					if Heimdall_Data.config.messenger.debug then
						shared.dump(message, string.format("[%s] Processing channel message:", ModuleName))
					end
					local channelId = GetChannelName(message.data)
					if channelId == 0 then
						if Heimdall_Data.config.messenger.debug then
							shared.dump(message, string.format("[%s] Channel not found, joining:", ModuleName))
						end
						channelId = FindOrJoinChannel(message.data)
						if Heimdall_Data.config.messenger.debug then
							print(string.format("[%s] Channel join result - ID: %s", ModuleName, channelId))
						end
					end
					message.data = tostring(channelId)
				end

				table.remove(shared.messenger.queue, 1)
				if not message.message or message.message == "" then
					if Heimdall_Data.config.messenger.debug then
						shared.dump(message, string.format("[%s] Skipping empty message", ModuleName))
					end
					return
				end
				if not message.channel or message.channel == "" then
					if Heimdall_Data.config.messenger.debug then
						shared.dump(message, string.format("[%s] Skipping message with no channel", ModuleName))
					end
					return
				end
				if not message.data or message.data == "" then
					if Heimdall_Data.config.messenger.debug then
						shared.dump(message, string.format("[%s] Skipping message with no data", ModuleName))
					end
					return
				end

				if Heimdall_Data.config.messenger.debug then
					shared.dump(message, string.format("[%s] Sending message:", ModuleName))
				end
				if string.len(message.message) > 255 then
					shared.dump(message, string.format("[%s] Message too long!!!!: %s", ModuleName, message.message))
					return
				end
				SendChatMessage(message.message, message.channel, nil, message.data)
			end
			local function Tick()
				-- if Heimdall_Data.config.messenger.debug then
				-- 	print(string.format("[%s] Tick - Queue size: %d", ModuleName, #shared.messenger.queue:get()))
				-- end
				DoMessage()
				shared.messenger.ticker = C_Timer.NewTimer(Heimdall_Data.config.messenger.interval, Tick, 1)
			end
			Tick()
		end

		if Heimdall_Data.config.messenger.debug then
			print(
				string.format(
					"[%s] Module initialized with interval: %s",
					ModuleName,
					Heimdall_Data.config.messenger.interval
				)
			)
		end
		print(string.format("[%s] Module initialized", ModuleName))
	end,
}