<?php
/*********************
 *********************
Template : "communication.php"
Controller : "Communication.php"
 => Chat and messagenger controller
    -> chat
    -> notification
        ->Controller
        ->History
    -> message
        ->histoyr
        ->sender
 Creation 29/11/2019
 Aernout Guillaume
 http://codes.solutions
 *********************
 *********************/
 if (!defined('BASEPATH'))
   exit('No direct script access allowed');

  class Communication extends NS_Controller {

    function __construct() {
      parent::__construct(array('no_cache'=>1));

      if ($this->session->userdata('admin_login') != 1){
        $this->error('restricted admin');
        //$this->redirect(base_url(), 'refresh');
      }
       $this->load->helper('generator');
       $this->load->model('crud_model');
       $this->load->model('mbox_model');
       $this->load->model('notification_model');
       $this->load->model('email_model');
       $this->load->database();
    }
    ////////////////////////
    // Fonction controller
    ////////////////////////
    function index($arg = "") {
        $mailParser = new \ZBateson\MailMimeParser\MailMimeParser();
        $data['page_name'] = 'communication';
        $data['page_title'] = get_phrase('Communication Control Center');
        //$data['message_list'] = $this->message_list();
        $data['discution_list'] = $this->mbox_model->get_email_list();//$this->mbox_model->get_mbox_list();
        $this->load->view('backend/index', $data);
    }


    function set_readed_notification(){
      $this->continueIfAllowed(array('allowed'=>array('admin')));
      $mail_id = $this->input->post('mail_id');
      $user_id = $this->session->userdata('userID');
      $mail = $this->input->post('mail');

      $current_snapshot = $this->mbox_model->get_mail_snapshot($mail);
      //echo "ici debug $current_snapshot";
      echo $this->notification_model->store_mail_snapshot($user_id,$mail_id,$current_snapshot);
    }

    function refresh_notification($mail_id ="",$mail=""){
      $this->continueIfAllowed(array('allowed'=>array('admin')));
      $user_id = $this->session->userdata('userID');
      if($mail_id == "" && $mail ==""){
        $mail_id = $this->input->post('mail_id');
        $mail = $this->input->post('mail');
        $function = "no";
      }
      else{
        $function = "yes";
      }

      //echo $mail;

      $current_snapshot = $this->mbox_model->get_mail_snapshot($mail);
      //var_dump($current_snapshot);
      if($this->notification_model->is_new_mail($user_id,$mail_id,$current_snapshot)){
        if($function == "no"){
            echo "True"; // not new
        }else{
          return False; // not new
        }
      }
      else{
        if($function == "no"){
            echo "False"; // new
        }else{
          return True; //new
        }
      }
    }

    function refresh_all_notifications(){
      return;
      $mails  = $this->mbox_model->get_email_list();

      foreach ($mails as $key => $mail) {
        //var_dump($this->refresh_notification($mail['id_email'],$mail['course_email']));
         if($this->refresh_notification($mail['id_email'],$mail['course_email'])){
           //echo $mail['id_email'].":".$mail['course_email'];
           echo "True";
           return; // new mail
         }
      }
      echo False; // no new mail
    }

    function get_messages(){
      $this->continueIfAllowed(array('allowed'=>array('admin')));
      $name = $this->input->post('name');
      $admin_id = $this->input->post('admin');

      $mail_dir = "/home/vmail/ecoledelangues.be/".$name."/";
      $mail_list = $this->mbox_model->get_m_list($mail_dir);

      $mails_array = array();

      foreach ($mail_list as $key => $mail) {
      //echo ">>".$mail_dir."new/".$mail;
        $mail_array = array();
        if(file_exists($mail_dir."new/".$mail)){
          $data = file_get_contents($mail_dir."new/".$mail);

          $message = \ZBateson\MailMimeParser\Message::from($data);

          $to = $message->getHeader('To');
          $dest = '';

          if($to != Null){
            foreach ($to->getAddresses() as $addr) {
                $toName = $addr->getName();
                $toEmail = $addr->getEmail();
                if($toName == ''){
                  $toName = $toEmail;
                }
                $dest = $dest."<span data-toggle=\"toggle\" title=\"".$toEmail."\">".$toName."</span>;";
            }
          }
          else{
            $dest ='empty from';
          }

          $attachments = array();

          $parts = $message->getAttachmentCount();
          for($n = 0 ; $n <= $parts ;$n++){
            $part_name = $this->get_attachment_name(($mail_dir."new/".$mail),$n);
            if($part_name != False){
              $attachment = array(
                "id" => $n,
                "name" => $part_name
              );
              array_push($attachments, $attachment);
            }
            //echo $message->getAttachmentPart($n);
          }
          //var_dump($attachments);
          /*
          $mail_array = array(
            "debug" => "1",
          );
          */
          $mail_array = array(
            "id" =>$message->getHeaderValue('Message-ID'),
            "reply" => $message->getHeaderValue('In-Reply-To'),
            "debug" => "1",
            "admin" => $this->mbox_model->is_admin($admin_id,$message->getHeaderValue('from')),
            "dest" => $dest,
            "orig" => $message->getHeaderValue('from'),
            "date" =>  $message->getHeader('Date'),
            "subject" => $message->getHeaderValue('Subject'),
            "body" => $message->getHtmlContent(),
            "origin" => $mail_dir."new/".$mail,
            "attachment" => $attachments
          );

          array_push($mails_array,$mail_array);
          //var_dump($mail_array);
        }
      }
      echo json_encode($mails_array);
    }
  function get_forms(){
    $this->continueIfAllowed(array('allowed'=>array('admin')));
    $id = $this->input->post('course');
    $studentList = $this->crud_model->get_course_students_n($id);
    $adminList = $this->crud_model->get_admin_list();
    //var_dump($studentList);
    $from = array();
    foreach ($adminList as $key => $admin) {
      $current_from = array(
        "id" => $admin['user_id'],
        "name" => $admin['first_name'],//. " " . $admin['last_name'],
        "email" => $admin['email']
      );
      array_push($from,$current_from);
    }

    $to = array();
    foreach ($studentList as $key => $student) {
      $studentName = $this->crud_model->get_student_name($student);
      $studentEmail = $this->email_model->get_master_email($student);

      $current_to = array(
        "id" => $student,
        "name" => $studentName,
        "email" => $studentEmail
      );
      array_push($to,$current_to);
    }
    //var_dump($to);
    $course = $this->crud_model->get_course_info($id);
    $note = $course[0]['CourseDescription'];

    $forms = array(
      'default'=> $this->mbox_model->generate_mail($id,'1'),
      'note' => $note,
      'from' => $from,
      'to' => $to
    );
    echo  json_encode($forms);
  }

  function edit_note(){
    $this->continueIfAllowed(array('allowed'=>array('admin')));
    $id = $this->input->post('course');
    $content = $this->input->post('content');

    $sql = array(
      "CourseDescription"=>$content,
    );

    $this->db->set($sql);
    $this->db->where('ID',$id);
    $this->db->update('course_new');
  }

  function get_picture(){
    $mailParser = new \ZBateson\MailMimeParser\MailMimeParser();
    $this->continueIfAllowed(array('allowed'=>array('admin')));
    $mail = $this->input->post('origin');
    $id = $this->input->post('id');
    //  $mail = "/home/vmail/ecoledelangues.be/[email protected]/new/";
    $data = file_get_contents ($mail);//file_get_contents ($mail.'1587224716.M369265P10053.EDL-STRETCH,S=1661570,W=1683172');
    $message = \ZBateson\MailMimeParser\Message::from($data);
    $picture = explode("\n",$message->getPartByContentId($id));//('1718df6a1064d0bb05d1'));

    unset($picture[0]);unset($picture[1]);unset($picture[2]);unset($picture[3]);unset($picture[4]);unset($picture[5]);//unset($picture[6]);
    //var_dump($picture);
    $base64pic = implode($picture);
    echo $base64pic;
    //header("Content-type: image/gif");
    //echo base64_decode($base64pic);
  }
/*
  function get_attachment(){
    $mailParser = new \ZBateson\MailMimeParser\MailMimeParser();
    $this->continueIfAllowed(array('allowed'=>array('admin')));
    $mail = $this->input->post('source');
    $part = $this->input->post('part');
    $name = $this->input->post('name');
    //$mail = "/home/vmail/ecoledelangues.be/[email protected]/new/1587387473.M316034P15800.EDL-STRETCH,S=211590,W=214367";
    //echo "$mail => $part";
    $data = file_get_contents ($mail);
    $message = \ZBateson\MailMimeParser\Message::from($data);
    $attachment_array =  explode("\n",$message->getPartByMimeType('application/pdf',$part));
    unset($attachment_array[0]);unset($attachment_array[1]);unset($attachment_array[2]);unset($attachment_array[3]);unset($attachment_array[4]);unset($attachment_array[5]);//unset($picture[6]);
    $base64pdf = implode($attachment_array);
    //echo $base64pdf;
    $pdf = base64_decode($base64pdf);

    //echo $base64pdf;
    header('Content-Type: application/pdf');
    header('Content-Length: '.strlen( $pdf ));
    header('Content-disposition: inline; filename="' . $name . '"');
    header('Cache-Control: public, must-revalidate, max-age=0');
    header('Pragma: public');
    header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');
    header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
    echo $pdf;
  }
  */
  function get_attachment(){
    $mailParser = new \ZBateson\MailMimeParser\MailMimeParser();
    $this->continueIfAllowed(array('allowed'=>array('admin')));
    $mail = $this->input->post('source');
    $part = $this->input->post('part');
    $name = $this->input->post('name');
    //$mail = "/home/vmail/ecoledelangues.be/[email protected]/new/1587387473.M316034P15800.EDL-STRETCH,S=211590,W=214367";
    //echo "$mail => $part";
    $data = file_get_contents ($mail);
    $message = \ZBateson\MailMimeParser\Message::from($data);
    $attachment_array = explode("\n",$message->getAttachmentPart($part));
    $type =substr($attachment_array[0],(strpos($attachment_array[0],"Content-Type:")+13),(strpos($attachment_array[0],";")+1));

    unset($attachment_array[0]);unset($attachment_array[1]);unset($attachment_array[2]);unset($attachment_array[3]);unset($attachment_array[4]);unset($attachment_array[5]);//unset($picture[6]);
    $base64 = implode($attachment_array);
    //echo $base64pdf;
    $content = base64_decode($base64);

    //echo $base64pdf;
    header('Content-Type:'.$type);
    header('Content-Length: '.strlen( $content ));
    header('Content-disposition: inline; filename="' . $name . '"');
    header('Cache-Control: public, must-revalidate, max-age=0');
    header('Pragma: public');
    header('Expires: Sat, 26 Jul 1997 05:00:00 GMT');
    header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
    echo $content;
  }

  function get_attachment_name($mail,$part){
    $mailParser = new \ZBateson\MailMimeParser\MailMimeParser();
    $data = file_get_contents ($mail);
    $message = \ZBateson\MailMimeParser\Message::from($data);
    $attachment_array = explode("\n",$message->getAttachmentPart($part));
    //$attachment_array = explode("\n",$message->getPartByMimeType('application/pdf',$part));
    $attachment_name = substr($attachment_array[0],(strpos($attachment_array[0],"name=\"")+6),-1);
    return $attachment_name;
  }
  function send_message(){
    $this->continueIfAllowed(array('allowed'=>array('admin')));
    $from = $this->input->post('from');
    $to = json_decode($this->input->post('to'));
    $subject = $this->input->post('subject');
    $message = $this->input->post('message');
    $option = $this->input->post('option');
    $course_id = $this->input->post('course');

    /*$from_mails = array();
    foreach ($from as $key => $id) {
      array_push($from_mails,$this->email_model->get_master_email($id));
    }*/

    //var_dump($from);
    if($from != '0' && $from != ''){
      $from_email = $this->email_model->get_master_email($from);
    }
    else{
      $from_email = $this->mbox_model->generate_mail($course_id,'1');
    }

    $to_mails = array();
    foreach ($to as $key => $id) {
      array_push($to_mails,$this->email_model->get_master_email($id));
    }

    //$to_mails = array("[email protected]","[email protected]"); // debug : to comment in prod

    array_push($to_mails,$course_email); //hook course email to destinatairs
    //array_push($from_mails,$course_email);

    $message = $message ."<input type='hidden' value='".$option."' name='mail_type'/>";

    //var_dump($message,$subject,implode(',',$to_mails),$from_email,$option);
    echo ($this->email_model->do_email($message,$subject,implode(',',$to_mails),$from_email,$option));
  }
}