import _ from "lodash";
import {LinkPreview} from "../plugins/irc-events/link";
import User from "./user";

export type UserInMessage = Partial<User> & {
	mode: string;
};

export enum MessageType {
	UNHANDLED = "unhandled",
	ACTION = "action",
	AWAY = "away",
	BACK = "back",
	ERROR = "error",
	INVITE = "invite",
	JOIN = "join",
	KICK = "kick",
	LOGIN = "login",
	LOGOUT = "logout",
	MESSAGE = "message",
	MODE = "mode",
	MODE_CHANNEL = "mode_channel",
	MODE_USER = "mode_user", // RPL_UMODEIS
	MONOSPACE_BLOCK = "monospace_block",
	NICK = "nick",
	NOTICE = "notice",
	PART = "part",
	QUIT = "quit",
	CTCP = "ctcp",
	CTCP_REQUEST = "ctcp_request",
	CHGHOST = "chghost",
	TOPIC = "topic",
	TOPIC_SET_BY = "topic_set_by",
	WHOIS = "whois",
	RAW = "raw",
	PLUGIN = "plugin",
	WALLOPS = "wallops",
}

class Msg {
	from!: UserInMessage;
	id!: number;
	previews!: LinkPreview[];
	text!: string;
	type!: MessageType;
	self!: boolean;
	time!: Date;
	hostmask!: string;
	target!: UserInMessage;
	// TODO: new_nick is only on MessageType.NICK,
	// we should probably make Msgs that extend this class and use those
	// throughout. I'll leave any similar fields below.
	new_nick!: string;
	highlight?: boolean;
	showInActive?: boolean;
	new_ident!: string;
	new_host!: string;
	ctcpMessage!: string;
	command!: string;
	invitedYou!: boolean;
	gecos!: string;
	account!: boolean;

	// these are all just for error:
	error!: string;
	nick!: string;
	channel!: string;
	reason!: string;

	raw_modes!: any;
	when!: Date;
	whois!: any;
	users!: UserInMessage[] | string[];
	statusmsgGroup!: string;
	params!: string[];

	batch?: {
		id: number;
		type: string;
		params: string[];
		commands: any[];
	};

	constructor(attr?: Partial<Msg>) {
		// Some properties need to be copied in the Msg object instead of referenced
		if (attr) {
			["from", "target"].forEach((prop) => {
				if (attr[prop]) {
					this[prop] = {
						mode: attr[prop].mode,
						nick: attr[prop].nick,
					};
				}
			});
		}

		_.defaults(this, attr, {
			from: {},
			id: 0,
			previews: [],
			text: "",
			type: MessageType.MESSAGE,
			self: false,
		});

		if (this.time) {
			this.time = new Date(this.time);
		} else {
			this.time = new Date();
		}
	}

	findPreview(link: string) {
		return this.previews.find((preview) => preview.link === link);
	}

	isLoggable() {
		if (this.type === MessageType.TOPIC) {
			// Do not log topic that is sent on channel join
			return !!this.from.nick;
		}

		switch (this.type) {
			case MessageType.MONOSPACE_BLOCK:
			case MessageType.ERROR:
			case MessageType.TOPIC_SET_BY:
			case MessageType.MODE_CHANNEL:
			case MessageType.MODE_USER:
			case MessageType.RAW:
			case MessageType.WHOIS:
			case MessageType.PLUGIN:
				return false;
			default:
				return true;
		}
	}
}

export default Msg;

export type Message = Msg;