"use strict";

var DIR     = process.cwd() + '/',
    SRVDIR  = DIR + 'lib/server/',
        
    srvfunc = require(SRVDIR + 'srvfunc'),
    path    = require('path'),
    fs      = require('fs'),
    Server  = srvfunc.require(DIR + 'server'),
    update  = srvfunc.require(SRVDIR + 'update'),
    
    Config = readConfig();

Server.start(Config);

if(update)
    update.get();


function readConfig(){
    
    /* Determining server.js directory
     * and chang current process directory
     * (usually /) to it.
     * argv[1] - is always script name
     */
    var lServerDir = path.dirname(process.argv[1]),
        lProcessDir = process.cwd();
        lConfig     = {};
    
    if(lProcessDir !== lServerDir){
        console.log('current dir: ' + lProcessDir);
        process.chdir(lServerDir);
    }
    console.log('server dir:  ' + lServerDir);
    
    console.log('reading configuretion file config.json...');
    var lConfig = srvfunc.require(DIR + 'config');
    if(lConfig){
        console.log('config.json readed');
        
        /* if command line parameter testing resolved 
         * setting config to testing, so server
         * not created, just init and
         * all logs writed to screen
         */
        var lArg = process.argv[process.argv.length - 1];
        if ( lArg === 'test' ||  lArg === 'test\r') {
            console.log(process.argv);
            lConfig.server  = false;
            lConfig.logs    = false;
        }
                    
        if (lConfig.logs) {
            console.log('log param setted up in config.json\n' +
                'from now all logs will be writed to log.txt');
            writeLogsToFile();
        }        
    }
        
    return lConfig;
}

/* function sets stdout to file log.txt */
function writeLogsToFile(){
    var stdo = fs.createWriteStream('./log.txt');
    
    process.stdout.write = (function(write) {
            return function(string, encoding, fd) {
                    stdo.write(string);
            };
    })(process.stdout.write);
}