class_name TwitchMessage

enum EmoteType{TWITCH, BTTV, FFZ}

const emote_id_methods = {
				EmoteType.BTTV:"__get_bttv_emote_id", 
				EmoteType.FFZ:"__get_ffz_emote_id"
}


var chat_message:IrcChatMessage









var emotes:Array


func _init(server_irc_message:TwitchIrcServerMessage, bttv_emotes:Dictionary, ffz_emotes):
				chat_message = MessageWrapper.wrap(server_irc_message)

				emotes.clear()

				__parse_twitch_emotes(server_irc_message.message_prefix)
				__parse_bttv_emotes(bttv_emotes)
				__parse_ffz_emotes(ffz_emotes)



func __parse_twitch_emotes(message_prefix:String):
				var prefix_params: = message_prefix.split(";", false)
				var emotes_param:String

				for param in prefix_params:
								if (param as String).begins_with("emotes"):
												var emotes_prefix_param:Array = (param as String).split("=", false, 1)

												if emotes_prefix_param.size() <= 1:
																return 

												emotes_param = emotes_prefix_param[1]

												for emote in emotes_param.split("/", false):
																var emote_data:Array = emote.split(":", false)
																var id: = int(emote_data[0])

																var positions:Array = emote_data[1].split(",", false)[0].split("-", false)

																var start: = int(positions[0])
																var end: = int(positions[1])

																var code:String = chat_message.text.substr(start, end - start + 1)

																emotes.append({
																				"id":id, 
																				"code":code, 
																				"type":EmoteType.TWITCH
																})

static func __get_bttv_emote_id(available_emotes:Dictionary, emote_code:String):
				return available_emotes.get(emote_code)

static func __get_ffz_emote_id(available_emotes:Dictionary, emote_code:String):
				return available_emotes.get(emote_code, {}).get("id")

func __parse_emotes(available_emotes:Dictionary, type:int)->void :
				var message:String = " " + chat_message.text + " "

				for emote_code in available_emotes:
								var parse_emote_code:String = " " + emote_code + " "

								if message.find(parse_emote_code) >= 0:
												emotes.append({
																"id":callv(emote_id_methods.get(type), [available_emotes, emote_code]), 
																"code":emote_code, 
																"type":type
												})

func __parse_bttv_emotes(available_emotes:Dictionary)->void :
				__parse_emotes(available_emotes, EmoteType.BTTV)

func __parse_ffz_emotes(available_emotes:Dictionary)->void :
				__parse_emotes(available_emotes, EmoteType.FFZ)