//
// Load dependencies
//
const express = require('express'),
      server = express(),
      mysql = require('mysql'),
      fs = require('fs'),
      http = require('http'),
      https = require('https'),
      ssl  = {key:  fs.readFileSync('./ssl/ssl.pk', 'utf8'), cert:  fs.readFileSync('./ssl/ssl.crt', 'utf8')},
      ws = require('ws'),
      dgram = require('dgram'),
      udp = dgram.createSocket('udp4'),
      chalk = require('chalk');

//
// Initialize servers
//
module.exports = function(app){
    // Static resources directory
    app.express = server;
    app.express.use(express.static('web'));
    // Database setup
    app.db =  mysql.createConnection({
      host: app.config.database.host || 'localhost',
      user: app.config.database.user || 'root',
      password: app.config.database.password || '',
      database: app.config.database.name || 'angstrom',
      port : app.config.database.port || false
    });
    // Servers setup
    /// HTTPS server initialization
    app.https = https.createServer(ssl,app.express);
    app.https.on('listening',_=>{
        /// WebSocket server initialization
        app.ws = new ws.Server({server:app.https});
        console.log(chalk.green(":445\tHTTPS\tUP"));
        console.log(chalk.green(":445\tWSS\tUP"));
    });
    app.https.on('restart', _ => setTimeout( _ => app.https.listen(445) , 1200 ));
    app.https.on('error',error=>{
        app.https.close().emit('restart');
    })
    /// HTTP server initialization
    app.http = http.createServer(app.express);
    app.http.on('listening',_=>{
        console.log(chalk.green(":80\tHTTP\tUP"));
    });
    app.http.on('restart', _ => setTimeout( _ => app.http.listen(80), 1200 ) );
    app.http.on('error',error=>{
        console.log(chalk.red(error))
        app.http.close().emit('restart');
    })
    /// UDP server initialization
    app.udp = udp.on('listening', _ => {
        console.log(chalk.green(`:${udp.address().port}\tUDP\tUP`));
    });
    app.udp.on('restart', _ => setTimeout( _ => app.udp.bind(0) ) );
    app.udp.on('error',error=>{
        console.log(chalk.red(error));
        app.udp.close().emit('restart');
    })
    /// Run servers
    app.http.emit('restart');
    app.https.emit('restart');
    app.udp.emit('restart');
}