"use strict";

const unhandledError = require("unhandled-error");

const config = require("./config.json");
const shortenUrl = require("./shorten-url");

unhandledError((error) => {
	console.error(error.stack);
});

const Promise = require("bluebird");
const IRC = require("irc-framework");

const getBarcode = require("./get-barcode");

function cleanBarcode(barcode) {
	return barcode.replace(/[^0-9]+/g, "");
}

let eanRegex = /^([0-9]{8}|[0-9]{13})$/;

let bot = new IRC.Client();

bot.on("message", (event) => {
	let match, barcode, explicit;

	if (eanRegex.test(event.message)) {
		barcode = event.message;
		explicit = false;
	} else if ((match = /^!barcode (.+)$/.exec(event.message)) != null) {
		if (true || eanRegex.test(match[1])) {
			barcode = match[1];

			explicit = true;
		} else {
			event.reply("Ongeldige barcode!");
			return;
		}
	}

	if (barcode != null) {
		return Promise.try(() => {
			console.log(`Looking up: ${barcode}`);

			return getBarcode(cleanBarcode(barcode));
		}).then((result) => {
			console.log(result);
			
			if (result == null) {
				if (explicit === true) {
					event.reply("Barcode niet gevonden!")
				}
			} else {
				let price = (result.price != null)
					? result.price
					: "onbekend";

				return Promise.try(() => {
					if (result.image != null) {
						return shortenUrl(result.image);
					} else {
						return "niet beschikbaar";
					}
				}).then((image) => {
					event.reply(`${result.name} -- Prijsindicatie: ${price} -- Productfoto: ${image}`);
				});
			}
		});
	}
})

bot.on("registered", () => {
	console.log("Connected!");
	bot.join(config.irc.channel);
});

bot.connect({
	host: config.irc.host,
	port: config.irc.port,
	nick: config.irc.nick
});