//Importing modules
var mongo = require("mongoose");
var Schema = mongo.Schema;
var bcrypt = require('bcrypt-nodejs');

var User = require("./User");

var UserSchema = new Schema({
	username: {
		type: String,
		required: true,
		unique: true
	},
	password: {
		type: String,
		required: true
	},
	email: {
		type: String,
		required: true
	},
	loginDate: {
		type: Date,
		default: Date.now
	}
});

UserSchema.pre('save', function(next) {
	var user = this;
	// only hash the password if it has been modified (or is new)
	if (!user.isModified('password'))
		return next();
	// generate a salt
	bcrypt.genSalt(SALT_WORK_FACTOR, function(err, salt) {
		if (err)
			return next(err);
		// hash the password using our new salt
		bcrypt.hash(user.password, salt, function(err, hash) {
			if (err)
				return next(err);
			// override the cleartext password with the hashed one
			user.password = hash;
			next();
		});
	});

});

UserSchema.methods.comparePassword = function(candidatePassword, cb) {
	bcrypt.compare(candidatePassword, this.password, function(err, isMatch) {
		if (err)
			return cb(err);
		cb(null, isMatch);
	});
};

module.exports = mongo.model("Login", UserSchema);