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

class Login extends CI_Controller {

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

    public function index()
    {
        $data['modal_title'] = "Entrar";
        $data['modal_size'] = "small";

        $this->template->load('modal', 'login', $data);
    }

    public function required()
    {
        $data['modal_title'] = "Ops, você precisa efetuar o login";
        $data['modal_size'] = "small";

        $this->template->load('modal', 'login_required', $data);
    }

    public function in()
    {
        $email = $this->input->post('email');
        $password = md5($this->input->post('password'));

        $login = $this->user_model->login($email, $password);

        if($login){
            $this->session->set_userdata('login', $login);

            $data = array(
                'use_date_login' => date('Y-m-d H:i:s'),
                'use_last_ip' => $_SERVER['REMOTE_ADDR']
            );

            $this->user_model->update($data, $login);

            echo "login_success";
        }else{
            $this->session->set_userdata('login', false);

            echo "login_error";
        }
    }

    public function password($view = "modal", $token = false)
    {
        if($view == "modal"){
            $data['modal_title'] = "Esqueceu a senha?";
            $data['modal_size'] = "small";

            $this->template->load('modal', 'login_password', $data);
        }elseif ($view == "send") {
            $email = $this->input->post("email");

            $user = $this->user_model->getByEmail($email);

            if($user){
                $token = md5($_SERVER['REMOTE_ADDR'].date("H:i:s"));

                $data = array('use_token' => $token);

                $this->user_model->update($data, $user);

                $link = base_url("login/password/recover/".$token);

                /* Email Details */
                $email_details = $this->main_model->emailsDetails(2);

                /* Message */
                $content = $email_details->email_content;

                if (preg_match_all('/({\$+\w+})/', $content, $matches)){

                    foreach ($matches[0] as $key => $value) {
                        $variable = str_replace('{', '', $value);
                        $variable = str_replace('}', '', $variable);
                        $string = eval('return '. $variable . ';');

                        $content = str_replace($value, $string, $content);
                    }
                }

                $message = $content;

                /* Subject */
                $subject = $email_details->email_subject;

                $this->main_model->email($email, $subject, $message);

                $this->session->set_flashdata('return', 'login_password');
            }else{
                $this->session->set_flashdata('return', 'login_password_email');
            }

            redirect("/");
        }elseif ($view == "recover") {
            $verifyToken = $this->user_model->tokenVerify($token);

            if($verifyToken){
                $data['token'] = $token;

                /* SEO */
                $data['seo_title'] = "Recuperação de Senha";

                /* View */
                $this->template->load('app', 'login_password_recover', $data);
            }else{
                $this->session->set_flashdata('return', 'token_no_exist');

                redirect('/');
            }
        }elseif ($view == "update") {
            $new_pass = $this->input->post('new_pass');
            $token = $this->input->post('token');

            $this->user_model->passRecover($token, md5($new_pass));

            $this->session->set_flashdata('return', 'login_recover');

            redirect('/');
        }
    }

    public function facebook_auth($step)
    {
        $fb_config = array(
            'appId'     => $this->config->item('facebook_app_id'),
            'secret'    => $this->config->item('facebook_app_secret')
        );

        $this->load->library('facebook', $fb_config);


        if($step == "try"){ // redirect to facebook form
            $facebook_login_url = $this->facebook->getLoginUrl(array(
                'redirect_uri' => $this->config->item('facebook_link_redirect'),
                'scope' => 'email'
            ));

            redirect($facebook_login_url);
        }elseif ($step == "return") { // return from facebook form
            $user_facebook = $this->facebook->getUser();

            $code = $_GET['code'];

            if($user_facebook){
                $facebook_user_profile = $this->facebook->api('/me?fields=id,name,email');

                /* verify if user allow email */
                if($facebook_user_profile['email']){
                    $id = $facebook_user_profile['id'];
                    $name = validate_name($facebook_user_profile['name']);
                    $email = $facebook_user_profile['email'];

                    $verify = $this->user_model->getByEmail($email);

                    /* verify if user already register */
                    if($verify){ // login
                        $user_id = $verify;

                        $data = array('use_facebook_id' => $id);

                        $this->user_model->update($data, $verify);

                        $this->session->set_userdata('login', $verify);
                    }else{ // register
                        $data = array(
                            'use_name' => $name,
                            'use_email' => $email,
                            'use_password' => md5($email),
                            'use_facebook_id' => $id
                        );

                        $user = $this->user_model->insert($data);

                        if($user){
                            $user_id = $user;

                            $this->session->set_userdata('login', $user);

                            $this->session->set_flashdata('return', 'register_new');
                        }
                    }

                    $log_data = array(
                        'use_date_login' => date('Y-m-d H:i:s'),
                        'use_last_ip' => $_SERVER['REMOTE_ADDR']
                    );

                    $this->user_model->update($log_data, $user_id);

                    redirect('cliente/painel');
                }else{ // if email not allowed
                    $this->session->set_flashdata('return', 'facebook_email_required');

                    redirect('/');
                }
            }else{
                $this->session->set_flashdata('return', 'login_required');

                redirect('/');
            }
        }else{
            $this->out();
        }
    }

    public function out()
    {
        /* session destroy */
        $this->session->set_userdata('login', false);
        $this->session->sess_destroy();

        redirect("/");
    }

}

/* End of file Login.php */
/* Location: ./application/controllers/Login.php */