import {Room} from "./room"
import {Client} from "./client"

import fs = require('fs');
import util = require('util');

let logFolder = "./logs";

if (!fs.existsSync(logFolder)) {
	fs.mkdirSync(logFolder);
}

let logFile = fs.createWriteStream(logFolder + '/' + new Date().getTime() + '.log', {flags: 'a'});
let logStdout = process.stdout;

console.log = function () {
	logFile.write(util.format.apply(null, arguments) + '\n');
	logStdout.write(util.format.apply(null, arguments) + '\n');
};

console.error = console.log;

process.on('uncaughtException', err => {
	console.error('Uncaught error: ', err);
	process.exit(1);
});

process.stdin.pipe(logFile);


export function log(type: string, client: Client, lobby?: Room, msg?: string) {
	let now = new Date(Date.now()).toString(), message, name, game;
	let date = '[' + now.substring(0, now.indexOf('GMT') - 1) + ']';

	if (client) {
		game = '[' + client.game + ']';
		let short = client.id.substring(0, Math.round(client.id.length / 3));
		name = '"' + client.name + '(' + short + '...)"';
	} else {
		if (type === 'lobby-deleted') {
			game = '[' + lobby.gameName + ']';
		} else {
			game = '[undefined]';
		}
		name = 'UNKNOWN';
	}
	if (lobby) {
		game = '[' + lobby.gameName + ']';
	}
	switch (type) {
		case 'join-non-existent':
			message = name + ' tried to join non-existent lobby "' + lobby.id + '"';
			break;
		case 'join-started':
			message = name + ' tried to join the started game "' + lobby.id + '"';
			break;
		case 'lobby-created':
			message = name + ' created new lobby: "' + lobby.id + '"';
			break;
		case 'game-started':
			message = name + ' started the game: "' + lobby.id + '"';
			break;
		case 'game-stopped':
			message = name + ' stopped the game: "' + lobby.id + '"';
			break;
		case 'member-joined':
			message = name + ' joined the lobby "' + lobby.id + '"';
			break;
		case 'member-left':
			message = name + ' left the lobby "' + lobby.id + '"';
			break;
		case 'lobby-deleted':
			message = 'Lobby "' + lobby.id + '" was deleted';
			break;
		case 'save-success':
			message = msg;
			break;
		case 'save-error':
			message = 'Failed to save contents to file: ' + msg;
			break;
		case 'load-success':
			message = 'Successfully loaded and parsed file contents';
			break;
		case 'load-error':
			message = 'Failed to load file: ' + msg;
			break;
		case 'parse-error':
			message = 'Failed to parse contents: ' + msg;
			break;
		case 'feedback':
			message = 'Saved feedback to file: ' + msg;
			break;
		case 'connection':
			message = name + ' connected';
			break;
		case 'disconnection':
			message = name + ' disconnected';
			break;
		case 'startup':
			message = msg;
			break;
	}

	console.log(date + game + ' ---> {' + message + '}');
}