var t = (x,n) => x.length > n ? x = x.substr(n - 1) + '…' : x;
require("dotenv").config();
var https = require("https");
var Discord = require("discord.js");

var client = new Discord.Client();
client.login(process.env.TOKEN);

var lastPlayers, lastMessage;

(function check(){
	https.get("https://bitfighter.org/bitfighterStatus.json", function(res) {
		var body = "";
		res.on("data", x => body += x);
		res.on("end", () => {

			try {
				var status = JSON.parse(body);
				var players = status.players;
				if (!lastPlayers) return lastPlayers = players;
				let msg = "";
				for (let player of players) {
					if (!lastPlayers.includes(player)) {
						// player joined
						msg += `**${player}** joined 😄\n`;
					}
				}
				for (let lastPlayer of lastPlayers) {
					if (!players.includes(lastPlayer)) {
						// player left
						msg += `**${lastPlayer}** left 😦\n`;
					}
				}
				if (msg) send(msg);
				lastPlayers = players;
			} catch (error) {
				console.log(error.message);
			}

			async function send(content) {
				var channel = await client.channels.fetch(process.env.CHANNEL);
				if (!channel) return;
				content = content.replace(/@/g, "@\u2063");
				lastMessage?.suppressEmbeds();
				lastMessage = await channel.send({content, embed: {
					color: 65280,
					/*fields: [
						{
							"name": t(`${status.players.length} players online now:`, 256),
							"value": t(status.players.map(x => status.authenticated[status.players.indexOf(x)] ? `**${x}**` : x).join(', ') || '👻', 1024)
						},
						{
							"name": t(`Servers Online (${status.serverCount}):`, 256),
							"value": t(status.servers.map(server => `\`${server.serverName}\`: **${server.playerCount}** players playing **${server.currentLevelType}** in **${server.currentLevelName}**`).join('\n') || '👻', 1024)
						}
					],*/
					description: (status.players.length ? `**${status.playerCount}/${status.players.length} player${status.players.length == 1 ? " is" : "s are"} now playing:**\n${status.players.map(p => status.authenticated[status.players.indexOf(p)] ? p : `~~${p}~~`).join(", ")}` : `No more players online 😭`) + '\n\n' +
								 status.servers.filter(s => s.playerCount > 0).map(s => `**${s.playerCount}** player${s.playerCount == 1 ? " is" : "s are"} playing **${s.currentLevelName}** in \`${s.serverName}\``).join('\n')
					//footer: {text: t(status.motd, 2048)}
				}});
			}

		});
	}).on("error", error => console.error(error.message));
	setTimeout(check, 10000);
})();