<?php

if (!defined('BASEPATH')) {
    exit('No direct script access allowed');
}

class Site extends Public_Controller
{

    public function __construct()
    {
        parent::__construct();
        $this->check_installation();
        if ($this->config->item('installed') == true) {
            $this->db->reconnect();
        }

        $this->load->model("staff_model");
        $this->load->library('Auth');
        $this->load->library('Enc_lib');
        $this->load->library('customlib');
        $this->load->library('captchalib');
        $this->load->library('mailsmsconf');
        $this->load->library('mailer');
        $this->load->config('ci-blog');
        $this->mailer;
        $this->sch_setting = $this->setting_model->getSetting();
    }

    private function check_installation()
    {
        if ($this->uri->segment(1) !== 'install') {
            $this->load->config('migration');
            if ($this->config->item('installed') == false && $this->config->item('migration_enabled') == false) {
                redirect(base_url() . 'install/start');
            } else {
                if (is_dir(APPPATH . 'controllers/install')) {
                    echo '<h3>Delete the install folder from application/controllers/install</h3>';
                    die;
                }
            }
        }
    }

    public function login()
    {

        $app_name = $this->setting_model->get();
        $app_name = $app_name[0]['name'];

        if ($this->auth->logged_in()) {
            $this->auth->is_logged_in(true);
        }

        $data          = array();
        $data['title'] = 'Login';
        $school        = $this->setting_model->get();

        $data['name'] = $app_name;

        $notice_content     = $this->config->item('ci_front_notice_content');
        $notices            = $this->cms_program_model->getByCategory($notice_content, array('start' => 0, 'limit' => 5));
        $data['notice']     = $notices;
        $data['school']     = $school[0];
        $is_captcha         = $this->captchalib->is_captcha('login');
        $data["is_captcha"] = $is_captcha;
        if ($this->captchalib->is_captcha('login')) {
            $this->form_validation->set_rules('captcha', $this->lang->line('captcha'), 'trim|required|callback_check_captcha');
        }
        $this->form_validation->set_rules('username', $this->lang->line('username'), 'trim|required|xss_clean');
        $this->form_validation->set_rules('password', $this->lang->line('password'), 'trim|required|xss_clean');
        if ($this->form_validation->run() == false) {
            $captcha =  $this->captchalib->generate_captcha();
            $data['captcha_image'] = isset($captcha['image'])?$captcha['image']:"";
            $data['name']          = $app_name; 
            $this->load->view('admin/login', $data);
        } else {
            $login_post = array(
                'email'    => $this->input->post('username'),
                'password' => $this->input->post('password'),
            );
            $data['captcha_image'] = $this->captchalib->generate_captcha()['image'];
            $setting_result        = $this->setting_model->get();
            $result                = $this->staff_model->checkLogin($login_post);

            if (!empty($result->language_id)) {
                $lang_array = array('lang_id' => $result->language_id, 'language' => $result->language);
            } else {
                $lang_array = array('lang_id' => $setting_result[0]['lang_id'], 'language' => $setting_result[0]['language']);
            }

            if ($result) {
                if ($result->is_active) {
                    if ($result->surname != "") {
                        $logusername = $result->name . " " . $result->surname;
                    } else {
                        $logusername = $result->name;
                    }

                    $session_data = array(
                        'id'              => $result->id,
                        'username'        => $logusername,
                        'email'           => $result->email,
                        'roles'           => $result->roles,
                        'date_format'     => $setting_result[0]['date_format'],
                        'currency_symbol' => $setting_result[0]['currency_symbol'],
                        'currency_place'  => $setting_result[0]['currency_place'],
                        'start_month'     => $setting_result[0]['start_month'],
                        'start_week'      => date("w", strtotime($setting_result[0]['start_week'])),
                        'school_name'     => $setting_result[0]['name'],
                        'timezone'        => $setting_result[0]['timezone'],
                        'sch_name'        => $setting_result[0]['name'],
                        'language'        => $lang_array,
                        'is_rtl'          => $setting_result[0]['is_rtl'],
                        'theme'           => $setting_result[0]['theme'],
                        'gender'          => $result->gender,
                    );
                     if($session_data['is_rtl'] == "disabled"){
                    $language_result1 = $this->language_model->get($lang_array['lang_id']);
                    if ($this->customlib->get_rtl_languages($language_result1['short_code'])) {
                        $session_data['is_rtl'] = 'enabled';
                    } else {
                        $session_data['is_rtl'] = 'disabled';
                    }
                     }
                    $this->session->set_userdata('admin', $session_data);

                    $role      = $this->customlib->getStaffRole();
                    $role_name = json_decode($role)->name;
                    $this->customlib->setUserLog($this->input->post('username'), $role_name);

                    if (isset($_SESSION['redirect_to'])) {
                        redirect($_SESSION['redirect_to']);
                    } else {
                        redirect('admin/admin/dashboard');
                    }

                } else {
                    $data['name']          = $app_name;
                    $data['error_message'] = $this->lang->line('your_account_is_disabled_please_contact_to_administrator');

                    $this->load->view('admin/login', $data);
                }
            } else {
                $data['name']          = $app_name;
                $data['error_message'] = $this->lang->line('invalid_username_or_password');
                $this->load->view('admin/login', $data);
            }
        }
    }

    public function logout()
    {
        $admin_session   = $this->session->userdata('admin');
        $student_session = $this->session->userdata('student');
        $this->auth->logout();
        if ($admin_session) {
            redirect('site/login');
        } else if ($student_session) {
            redirect('site/userlogin');
        } else {
            redirect('site/userlogin');
        }
    }

    public function forgotpassword()
    {

        $app_name     = $this->setting_model->get();
        $data['name'] = $app_name[0]['name'];
        $this->form_validation->set_rules('email', $this->lang->line('email'), 'trim|valid_email|required|xss_clean');

        if ($this->form_validation->run() == false) {
            $this->load->view('admin/forgotpassword', $data);
        } else {
            $email = $this->input->post('email');

            $result = $this->staff_model->getByEmail($email);

            if ($result && $result->email != "") {
                if ($result->is_active == '1') {
                    $verification_code = $this->enc_lib->encrypt(uniqid(mt_rand()));
                    $update_record     = array('id' => $result->id, 'verification_code' => $verification_code);
                    $this->staff_model->add($update_record);
                    $name           = $result->name;
                    $resetPassLink  = site_url('admin/resetpassword') . "/" . $verification_code;
                    $sender_details = array('resetPassLink' => $resetPassLink, 'name' => $name, 'username' => $result->email, 'email' => $email);
                    $this->mailsmsconf->mailsms('forgot_password', $sender_details);
                    $this->session->set_flashdata('message', $this->lang->line('please_check_your_email_to_recover_your_password'));
                } else {
                    $this->session->set_flashdata('disable_message', $this->lang->line('your_account_is_disabled_please_contact_to_administrator'));
                }

                redirect('site/login', 'refresh');
            } else {

                $data = array(
                    'error_message' => $this->lang->line('incorrect') . " " . $this->lang->line('email'),
                );
            }
            $this->load->view('admin/forgotpassword', $data);
        }
    }

    //reset password - final step for forgotten password
    public function admin_resetpassword($verification_code = null)
    {
        $app_name     = $this->setting_model->get();
        $data['name'] = $app_name[0]['name'];
        if (!$verification_code) {
            show_404();
        }

        $user = $this->staff_model->getByVerificationCode($verification_code);

        if ($user) {
            //if the code is valid then display the password reset form
            $this->form_validation->set_rules('password', $this->lang->line('password'), 'required');
            $this->form_validation->set_rules('confirm_password', $this->lang->line('confirm_password'), 'required|matches[password]');
            if ($this->form_validation->run() == false) {

                $data['verification_code'] = $verification_code;
                //render
                $this->load->view('admin/admin_resetpassword', $data);
            } else {

                // finally change the password
                $password      = $this->input->post('password');
                $update_record = array(
                    'id'                => $user->id,
                    'password'          => $this->enc_lib->passHashEnc($password),
                    'verification_code' => "",
                );

                $change = $this->staff_model->update($update_record);
                if ($change) {
                    //if the password was successfully changed
                    $this->session->set_flashdata('message', $this->lang->line("password_reset_successfully"));
                    redirect('site/login', 'refresh');
                } else {
                    $this->session->set_flashdata('message', $this->lang->line("something_went_wrong"));
                    redirect('admin_resetpassword/' . $verification_code, 'refresh');
                }
            }
        } else {
            //if the code is invalid then send them back to the forgot password page
            $this->session->set_flashdata('message', $this->lang->line('invalid_link'));
            redirect("site/forgotpassword", 'refresh');
        }
    }

    //reset password - final step for forgotten password
    public function resetpassword($role = null, $verification_code = null)
    {
        $app_name     = $this->setting_model->get();
        $data['name'] = $app_name[0]['name'];
        if (!$role || !$verification_code) {
            show_404();
        }

        $user = $this->user_model->getUserByCodeUsertype($role, $verification_code);

        if ($user) {
            //if the code is valid then display the password reset form
            $this->form_validation->set_rules('password', $this->lang->line('password'), 'required');
            $this->form_validation->set_rules('confirm_password', $this->lang->line('confirm_password'), 'required|matches[password]');
            if ($this->form_validation->run() == false) {

                $data['role']              = $role;
                $data['verification_code'] = $verification_code;
                //render
                $this->load->view('resetpassword', $data);
            } else {

                // finally change the password

                $update_record = array(
                    'id'                => $user->user_tbl_id,
                    'password'          => $this->input->post('password'),
                    'verification_code' => "",
                );

                $change = $this->user_model->saveNewPass($update_record);
                if ($change) {
                    //if the password was successfully changed
                    $this->session->set_flashdata('message', $this->lang->line('password_reset_successfully'));
                    redirect('site/userlogin', 'refresh');
                } else {
                    $this->session->set_flashdata('message', $this->lang->line("something_went_wrong"));
                    redirect('user/resetpassword/' . $role . '/' . $verification_code, 'refresh');
                }
            }
        } else {
            //if the code is invalid then send them back to the forgot password page
            $this->session->set_flashdata('message', $this->lang->line('invalid_link'));
            redirect("site/ufpassword", 'refresh');
        }
    }

    public function ufpassword()
    {

        $app_name     = $this->setting_model->get();
        $data['name'] = $app_name[0]['name'];
        $this->form_validation->set_rules('username', $this->lang->line('email'), 'trim|required|xss_clean');
        $this->form_validation->set_rules('user[]', $this->lang->line('user_type'), 'trim|required|xss_clean');
        if ($this->form_validation->run() == false) {

            $this->load->view('ufpassword', $data);
        } else {
            $email    = $this->input->post('username');
            $usertype = $this->input->post('user[]');
            $result   = $this->user_model->forgotPassword($usertype[0], $email);
            if ($result && $result->email != "") {

                $verification_code = $this->enc_lib->encrypt(uniqid(mt_rand()));
                $update_record     = array('id' => $result->user_tbl_id, 'verification_code' => $verification_code);
                $this->user_model->updateVerCode($update_record);

                if ($usertype[0] == "student") {
                    $name     = $this->customlib->getFullName($result->firstname, $result->middlename, $result->lastname, $this->sch_setting->middlename, $this->sch_setting->lastname);
                    $username = $result->username;
                } else {
                    $name     = $result->guardian_name;
                    $username = $result->username;
                }

                $resetPassLink  = site_url('user/resetpassword') . '/' . $usertype[0] . "/" . $verification_code;
                $sender_details = array('resetPassLink' => $resetPassLink, 'name' => $name, 'username' => $username, 'email' => $email);
                $this->mailsmsconf->mailsms('forgot_password', $sender_details);
                $this->session->set_flashdata('message', $this->lang->line("please_check_your_email_to_recover_your_password"));
                redirect('site/userlogin', 'refresh');
            } else {
                $data = array(
                    'name'          => $app_name[0]['name'],
                    'error_message' => $this->lang->line('invalid_email_or_user_type'),
                );
            }

            $this->load->view('ufpassword', $data);
        }
    }

    public function userlogin()
    {
        if ($this->auth->user_logged_in()) {
            $this->auth->user_redirect();
        }
        $data               = array();
        $data['title']      = 'Login';
        $school             = $this->setting_model->get();
        $data['name']       = $school[0]['name'];
        $notice_content     = $this->config->item('ci_front_notice_content');
        $notices            = $this->cms_program_model->getByCategory($notice_content, array('start' => 0, 'limit' => 5));
        $data['notice']     = $notices;
        $data['school']     = $school[0];
        $is_captcha         = $this->captchalib->is_captcha('userlogin');
        $data["is_captcha"] = $is_captcha;
        if ($is_captcha) {
            $this->form_validation->set_rules('captcha', $this->lang->line('captcha'), 'trim|required|callback_check_captcha');
        }
        $this->form_validation->set_rules('username', $this->lang->line('username'), 'trim|required|xss_clean');
        $this->form_validation->set_rules('password', $this->lang->line('password'), 'trim|required|xss_clean');
        if ($this->form_validation->run() == false) {
            $data['captcha_image'] = $this->captchalib->generate_captcha()['image'];
            $this->load->view('userlogin', $data);
        } else {
            $login_post = array(
                'username' => $this->input->post('username'),
                'password' => $this->input->post('password'),
            );
            $data['captcha_image'] = $this->captchalib->generate_captcha()['image'];
            $login_details         = $this->user_model->checkLogin($login_post);

            if (isset($login_details) && !empty($login_details)) {
                $user = $login_details[0];
                if ($user->is_active == "yes") {
                    if ($user->role == "student") {
                        $result = $this->user_model->read_user_information($user->id);
                    } else if ($user->role == "parent") {
                        $result = $this->user_model->checkLoginParent($login_post);
                    }

                    if ($result != false) {
                        $setting_result = $this->setting_model->get();
                        if ($result[0]->lang_id == 0) {
                            $language = array('lang_id' => $setting_result[0]['lang_id'], 'language' => $setting_result[0]['language']);
                        } else {
                            $language = array('lang_id' => $result[0]->lang_id, 'language' => $result[0]->language);
                        }
                        $image    = '';
                        if ($result[0]->role == "parent") {
                            $username = $result[0]->guardian_name;
                            if ($result[0]->guardian_relation == "Father") {
                                $image = $result[0]->father_pic;
                            } else if ($result[0]->guardian_relation == "Mother") {
                                $image = $result[0]->mother_pic;
                            } else if ($result[0]->guardian_relation == "Other") {
                                $image = $result[0]->guardian_pic;
                            }
                        } elseif ($result[0]->role == "student") {
                            $image    = $result[0]->image;
							$username = $this->customlib->getFullName($result[0]->firstname,$result[0]->middlename,$result[0]->lastname,$this->sch_setting->middlename,$this->sch_setting->lastname);
                            $defaultclass = $this->user_model->get_studentdefaultClass($result[0]->user_id);
                            $this->customlib->setUserLog($result[0]->username, $result[0]->role,$defaultclass['id']);
                        }
						
                        $session_data = array(
                            'id'              => $result[0]->id,
                            'login_username'  => $result[0]->username,
                            'student_id'      => $result[0]->user_id,
                            'role'            => $result[0]->role,
                            'username'        => $username,
                            'date_format'     => $setting_result[0]['date_format'],
                            'start_week'      => date("w", strtotime($setting_result[0]['start_week'])),
                            'currency_symbol' => $setting_result[0]['currency_symbol'],
                            'timezone'        => $setting_result[0]['timezone'],
                            'sch_name'        => $setting_result[0]['name'],
                            'language'        => $language,
                            'is_rtl'          => $setting_result[0]['is_rtl'],
                            'theme'           => $setting_result[0]['theme'],
                            'image'           =>  $image,
                            'gender'          => $result[0]->gender,
                        );
                        if($session_data['is_rtl'] == "disabled"){

                        $language_result1 = $this->language_model->get($language['lang_id']);
                        if ($this->customlib->get_rtl_languages($language_result1['short_code'])) {
                            $session_data['is_rtl'] = 'enabled';
                        } else {
                            $session_data['is_rtl'] = 'disabled';
                        }
                        }

                        $this->session->set_userdata('student', $session_data);
                        if ($result[0]->role == "parent") {
                            $this->customlib->setUserLog($result[0]->username, $result[0]->role);
                        }
                        redirect('user/user/choose');
                    } else {
                        $data['error_message'] = 'Account Suspended';
                        $this->load->view('userlogin', $data);
                    }
                } else {
                    $data['error_message'] = $this->lang->line('your_account_is_disabled_please_contact_to_administrator');
                    $this->load->view('userlogin', $data);
                }
            } else {
                $data['error_message'] = $this->lang->line('invalid_username_or_password');
                $this->load->view('userlogin', $data);
            }
        }
    }

    public function savemulticlass()
    {

        $student_id = '';
        $this->form_validation->set_rules('student_id', $this->lang->line('student'), 'trim|required|xss_clean');

        if ($this->form_validation->run() == false) {

            $msg = array(
                'student_id' => form_error('student_id'),
            );

            $array = array('status' => '0', 'error' => $msg, 'message' => '');
        } else {

            $data = array(
                'student_id' => date('Y-m-d', strtotime($this->input->post('student_id'))),
            );

            $array = array('status' => 'success', 'error' => '', 'message' => $this->lang->line('success_message'));
        }
        echo json_encode($array);
    }

    public function check_captcha($captcha)
    {
        if ($captcha != $this->session->userdata('captchaCode')):
            $this->form_validation->set_message('check_captcha', $this->lang->line('incorrect_captcha'));
            return false;
        else:
            return true;
        endif;
    }

    public function refreshCaptcha()
    {
        $captcha = $this->captchalib->generate_captcha();
        echo $captcha['image'];
    }

}