@tool
extends Node

signal first_seen_chat(user: TwitchUser, chatter: Chatter, msg: TwitchChatMessage)
signal first_chat(user: TwitchUser, chatter: Chatter, msg: TwitchChatMessage)
signal chat_message(user: TwitchUser, msg: TwitchChatMessage)

var chatters: Dictionary[TwitchUser, Chatter] = {}
var _log: TwitchLogger = TwitchLogger.new("ChatManager")


func _ready() -> void:
	if Engine.is_editor_hint(): return
	while not Globals.twitcher:
		await get_tree().process_frame
	
	Globals.twitcher.chat.message_received.connect(_handle_message)


func _handle_message(message: TwitchChatMessage) -> void:
	var id := message.chatter_user_id
	var user: TwitchUser
	var chatter: Chatter
	var first_msg: bool = false
	var first_seen: bool = false
	# Do we have the chatter this session?
	if chatters.keys().any(func(x: TwitchUser): return x.id == id):
		var res := chatters.keys().filter(func(x: TwitchUser): return x.id == id)
		user = res[0]
		chatter = chatters[user]
	else:
		user = await Globals.twitcher.get_user_by_id(id)
		if not user:
			_log.e("Failed to fetch user by id: %s" % [id])
			return
		# Do we have this chatter in our database?
		chatter = Globals.context.chatters.find_one(Condition.new().equal("twitch_id", id))
		if not chatter:
			chatter = Chatter.new()
			chatter.twitch_id = user.id
			chatter.user = user
			chatter.first_added = Time.get_unix_time_from_system()
			chatter.first_seen = chatter.first_added
			chatter.last_seen = chatter.first_added
			Globals.context.chatters.append(chatter)
			first_seen = true
		else:
			if chatter.first_seen == -1.0:
				chatter.first_seen = Time.get_unix_time_from_system()
			chatter.last_seen = Time.get_unix_time_from_system()
			chatter.save()
		first_msg = true
		chatters[user] = chatter
	
	if first_seen: first_seen_chat.emit(user, chatter, message)
	if first_msg: first_chat.emit(user, chatter, message)
	chat_message.emit(user, chatter, message)