var  mongoose = require("./libs/mongoose");
var User = require("./models/user").User;
var asyng = require('async');

asyng.series([
    open,
    dropDatabase,
    createUsers,
    close
],function (err,results) {
    if(err) throw err;
    console.log(arguments);
});

function open(callback) {
    mongoose.connection.on('open',callback);
}

function dropDatabase(callback) {
    var db = mongoose.connection.db;
    db.dropDatabase(callback);
}
function createUsers(callback) {
    asyng.parallel([
        function (callback) {
            var vasya = new User({username:'Вася',password: 'supervasay'});
            vasya.save(function(err){
                callback(err,vasya);
            })
        },
        function (callback) {
            var petya = new User({username:'Петя',password: 'superpetya'});
            petya.save(function(err){
                callback(err,petya);
            })
        },
        function (callback) {
            var admin = new User({username:'admin',password: 'superadmin'});
            admin.save(function(err){
                callback(err,admin);
            })
        }],callback);


}
function close(callback) {
    mongoose.disconnect(callback);
}

function dropDatabase(callback) {
    var db = mongoose.connection.db;
    db.dropDatabase(callback);
}

while (++index < length) {
      array[index] = args[start + index];
    }
    switch (start) {
      case 0: return func.call(this, array);
      case 1: return func.call(this, args[0], array);
      case 2: return func.call(this, args[0], args[1], array);
    }
    var otherArgs = Array(start + 1);
    index = -1;
    while (++index < start) {
      otherArgs[index] = args[index];
    }
    otherArgs[start] = array;
    return apply(func, this, otherArgs);
  }