<?php
defined('BASEPATH') OR exit('No direct script access allowed');

class Auth extends MY_Controller {

	public function __construct()
	{
		parent::__construct();

		// CI Bootstrap libraries
		$this->load->library('form_builder');
		$this->load->library('system_message');
		$this->load->library('email_client');

		$this->push_breadcrumb('Auth');
	}

	/**
	 * Registration page
	 */
	public function sign_up()
	{
		$form = $this->form_builder->create_form();

		if ($form->validate())
		{
			// passed validation
			$identity = $this->input->post('email');
			$password = $this->input->post('password');
			$additional_data = array(
				'first_name'	=> $this->input->post('first_name'),
				'last_name'		=> $this->input->post('last_name'),
			);

			// create user (default group as "members")
			$user = $this->ion_auth->register($identity, $password, $identity, $additional_data);
			if ($user)
			{	
				// send email using Email Client library
				if ($this->config->item('email_activation', 'ion_auth') && !$this->config->item('use_ci_email', 'ion_auth'))
				{
					$subject = $this->lang->line('email_activation_subject');
					$email_view = $this->config->item('email_templates', 'ion_auth').$this->config->item('email_activate', 'ion_auth');
					$this->email_client->send($identity, $subject, $email_view, $user);
				}

				// success
				$messages = $this->ion_auth->messages();
				$this->system_message->set_success($messages);
				redirect('auth/login');
			}
			else
			{
				// failed
				$errors = $this->ion_auth->errors();
				$this->system_message->set_error($errors);
				refresh();
			}
		}
		
		// require reCAPTCHA script at page head
		$this->mScripts['head'][] = 'https://www.google.com/recaptcha/api.js';

		// display form
		$this->mViewData['form'] = $form;
		$this->render('auth/sign_up');
	}

	/**
	 * Login page
	 */
	public function login()
	{
		$form = $this->form_builder->create_form();

		// if ($form->validate())
		// {
			// passed validation
		// 	$identity = $this->input->post('userid');
		// 	$password = $this->input->post('password');
		// 	$remember = ($this->input->post('remember')=='on');
			
		// 	if ($this->ion_auth->login($identity, $password, $remember))
		// 	{
		// 		// success
		// 		$messages = $this->ion_auth->messages();
		// 		$this->system_message->set_success($messages);

		// 		// redirect to user dashboard
		// 		redirect('account');
		// 	}
		// 	else
		// 	{
		// 		// failed
		// 		$errors = $this->ion_auth->errors();
		// 		$this->system_message->set_error($errors);
		// 		refresh();
		// 	}
		// // }

		// display form
		$this->mViewData['form'] = $form;
		$this->render('auth/login');
	}

	/**
	 * Logout
	 */
	public function logout()
	{
		$this->ion_auth->logout();	
		redirect();
	}

	/**
	 * Activation
	 */
	public function activate($id = NULL, $code = NULL)
	{
		if ( empty($id) )
		{
			redirect();
		}
		else if ( !empty($code) )
		{
			$activation = $this->ion_auth->activate($id, $code);
		}
		else if ($this->ion_auth->is_admin())
		{
			$activation = $this->ion_auth->activate($id);
		}

		if ($activation)
		{
			// success
			$messages = $this->ion_auth->messages();
			$this->system_message->set_success($messages);
			redirect('auth/login');
		}
		else
		{
			// failed
			$errors = $this->ion_auth->errors();
			$this->system_message->set_error($errors);
			redirect('auth/forgot_password');
		}
	}

	/**
	 * Forgot Password page
	 */
	public function forgot_password()
	{
		$form = $this->form_builder->create_form();

		if ($form->validate())
		{
			// passed validation
			$identity = $this->input->post('email');
			$user = $this->ion_auth->forgotten_password($identity);

			if ($user)
			{
				if (!$this->config->item('use_ci_email', 'ion_auth'))
				{
					// send email using Email Client library
					$subject = $this->lang->line('email_forgotten_password_subject');
					$email_view = $this->config->item('email_templates', 'ion_auth').$this->config->item('email_forgot_password', 'ion_auth');
					$this->email_client->send($identity, $subject, $email_view, $user);	
				}

				// success
				$messages = $this->ion_auth->messages();
				$this->system_message->set_success($messages);
				redirect('auth/login');
			}
			else
			{
				// failed
				$errors = $this->ion_auth->errors();
				$this->system_message->set_error($errors);
				refresh();
			}
		}

		// display form
		$this->mViewData['form'] = $form;
		$this->render('auth/forgot_password');
	}

	/**
	 * Reset Password page
	 */
	public function reset_password($code = NULL)
	{
		if (!$code)
		{
			redirect();
		}

		// check whether code is valid
		$user = $this->ion_auth->forgotten_password_check($code);

		if ($user)
		{
			$form = $this->form_builder->create_form();

			if ($form->validate())
			{
				// passed validation
				$identity = $user->email;
				$password = $this->input->post('password');
				
				// confirm update password
				if ( $this->ion_auth->reset_password($identity, $password) )
				{
					if (!$this->config->item('use_ci_email', 'ion_auth'))
					{
						// send email using Email Client library
						$subject = $this->lang->line('email_new_password_subject');
						$email_view = $this->config->item('email_templates', 'ion_auth').$this->config->item('email_forgot_password_complete', 'ion_auth');
						$data = array('identity' => $identity);
						$this->email_client->send($identity, $subject, $email_view, $data);
					}

					// success
					$messages = $this->ion_auth->messages();
					$this->system_message->set_success($messages);
					redirect('auth/login');
				}
				else
				{
					// failed
					$errors = $this->ion_auth->errors();
					$this->system_message->set_error($errors);
					redirect('auth/reset_password/' . $code);
				}
			}

			// display form
			$this->mViewData['form'] = $form;
			$this->render('auth/reset_password');
		}
		else
		{
			// code invalid
			$errors = $this->ion_auth->errors();
			$this->system_message->set_error($errors);
			redirect('auth/forgot_password', 'refresh');
		}
	}
}