'use strict';

/**
 * Module dependencies.
 */
var should = require('should'),
	mongoose = require('mongoose'),
	User = mongoose.model('User');

/**
 * Globals
 */
var user, user2, user3;

/**
 * Unit tests
 */
describe('User Model Unit Tests:', function() {
	before(function(done) {
		user = new User({
			firstName: 'Full',
			lastName: 'Name',
			displayName: 'Full Name',
			email: 'test@test.com',
			username: 'username',
			password: 'password',
			provider: 'local'
		});
		user2 = new User({
			firstName: 'Full',
			lastName: 'Name',
			displayName: 'Full Name',
			email: 'test@test.com',
			username: 'username',
			password: 'password',
			provider: 'local'
		});
		user3 = new User({
			firstName: 'Different',
			lastName: 'User',
			displayName: 'Full Different Name',
			email: 'test3@test.com',
			username: 'different_username',
			password: 'different_password',
			provider: 'local'
		});

		done();
	});

	describe('Method Save', function() {
		it('should begin with no users', function(done) {
			User.find({}, function(err, users) {
				users.should.have.length(0);
				done();
			});
		});

		it('should be able to save without problems', function(done) {
			user.save(done);
		});

		it('should fail to save an existing user again', function(done) {
			user.save(function() {
				user2.save(function(err) {
					should.exist(err);
					done();
				});	
			});
		});

		it('should be able to show an error when try to save without first name', function(done) {
			user.firstName = '';
			return user.save(function(err) {
				should.exist(err);
				done();
			});
		});

		it('should confirm that saving user model doesnt change the password', function(done) {
			user.firstName = 'test';
			var passwordBefore = user.password;
			return user.save(function(err) {
				var passwordAfter = user.password;
				passwordBefore.should.equal(passwordAfter);
				done();
			});
		});

		it('should be able to save 2 different users', function(done) {
			user.remove(function(err) {
				should.not.exist(err);
				user.save(function(err) {
					user3.save(function(err) {
						should.not.exist(err);
						user3.remove(function(err) {
							should.not.exist(err);
							done();
						});
						
					});	
				});
			});
		});

		it('should not be able to save different user with the same email address', function(done) {
			user.remove(function(err) {
				should.not.exist(err);
				user.save(function(err) {
					user3.email = user.email;
					user3.save(function(err) {
						should.exist(err);
						done();
					});	
				});
			});

		});

	});

	after(function(done) {
		User.remove().exec(done);
	});
});