"use strict";

var _ = require("lodash");
var Msg = require("../../models/msg");
var Chan = require("../../models/chan");
const Helper = require("../../helper");

exports.commands = ["close", "leave", "part"];
exports.allowDisconnected = true;

exports.input = function(network, chan, cmd, args) {
	let target = args.length === 0 ? chan : _.find(network.channels, {name: args[0]});
	let partMessage = args.length <= 1 ? Helper.config.leaveMessage : args.slice(1).join(" ");

	if (typeof target === "undefined") {
		// In this case, we assume that the word args[0] is part of the leave
		// message and we part the current chan.
		target = chan;
		partMessage = args.join(" ");
	}

	if (target.type === Chan.Type.LOBBY) {
		chan.pushMessage(this, new Msg({
			type: Msg.Type.ERROR,
			text: "You can not part from networks, use /quit instead.",
		}));
		return;
	}

	// If target is not a channel or we are not connected, instantly remove the channel
	// Otherwise send part to the server and wait for response
	if (target.type !== Chan.Type.CHANNEL
	|| target.state === Chan.State.PARTED
	|| !network.irc || !network.irc.connection || !network.irc.connection.connected) {
		network.channels = _.without(network.channels, target);
		target.destroy();
		this.emit("part", {
			chan: target.id,
		});
		this.save();
	} else {
		network.irc.part(target.name, partMessage);
	}

	return true;
};