<?php


class Photo extends MY_Controller
{
   var $db_smartone;
   public function index()
   {
      echo "Photo API";
   }

   public function __construct()
   {
      parent::__construct();
      $this->db_smartone = $this->load->database("onedev", true);
      $this->load->library('ImageManipulator');
   }

   public function upload()
   {
        $inp = $this->sys_input;

        $home_dir = "/home/one/project/one/";
        $target_dir = $home_dir . "one-media/one-photo/doctor/" . date("Y") . "/";
         $y = $this->regenerateOldPhoto($home_dir, $inp['id']);

        // get patient mr
        // $p = $this->db_smartone->select("M_DoctorCode")
        //             ->where("M_DoctorID", $inp['id'])
        //             ->get('m_doctor')
        //             ->row();

        $sql = "SELECT M_DoctorCode FROM m_doctor WHERE M_DoctorID = {$inp['id']}";
        $qry = $this->db_smartone->query($sql);

        if(!$qry){
            $this->sys_error_db("doctor select error", $this->db_smartone);
			exit;
        }

        $p = $qry->row();

        if (!file_exists($target_dir)) {
            mkdir($target_dir, 0755, true);
        }

        $target_path = $target_dir . $p->M_DoctorCode . ".jpg"; 
        $this->base64_to_jpeg($inp['data'], $target_path);

        // CROP Image
        $im = new ImageManipulator($target_path);
        $w = $im->getWidth();
         $h = $im->getHeight();

        $mw = ceil(3 * $h / 4);
        if ($w <= $mw)
        {
           $x1 = 0;
           $y1 = 0;
           $x2 = $w;
           $y2 = $h;
        }
        else
        {
           $x1 = floor(($w - $mw) / 2);
           $y1 = 0;
           $x2 = ceil($w - (($w - $mw) / 2));
           $y2 = $h;
        }

        $im->crop($x1, $y1, $x2, $y2); // takes care of out of boundary conditions automatically
        $im->save($target_path);

        $x = $this->generateThumbnail($target_path, 75, 100);

        // Save to DB
        // $this->db_smartone->set("M_DoctorPhoto", "/" . str_replace($home_dir, "", $target_path))
        //                    ->set("M_DoctorPhotoThumb", "/" . str_replace($home_dir, "", $x))
        //                    ->set('M_DoctorPhotoCounter', '`M_DoctorPhotoCounter` + 1', false)
        //                    ->where('M_DoctorID', $inp['id'])
        //                    ->update('m_doctor');

        $M_DoctorPhoto = "/" . str_replace($home_dir, "", $target_path);
        $M_DoctorPhotoThumb = "/" . str_replace($home_dir, "", $x);
        $M_DoctorID = $inp['id'];

        $sql = "UPDATE m_doctor 
            SET 
                M_DoctorPhoto = '$M_DoctorPhoto',
                M_DoctorPhotoThumb = '$M_DoctorPhotoThumb',
                M_DoctorPhotoCounter = '`M_DoctorPhotoCounter` + 1',
                M_DoctorPhotoLastUpdated = NOW()
            WHERE M_DoctorID = $M_DoctorID";

        $qry = $this->db_smartone->query($sql);

        if(!$qry){
            $this->sys_error_db("doctor update photo error", $this->db_smartone);
			exit;
        }

        // LOGGING
        // $code = $y ? "PHOTO.PATIENT.EDIT" : "PHOTO.PATIENT.ADD";
        // $one_log = $this->load->database('onelog', true);
        // $one_log->set('Log_PhotoCode', $code)
        //           ->set('Log_PhotoM_PatientID', $inp['id'])
        //           ->set('Log_PhotoUrl', $y ? $y : "/" . str_replace($home_dir, "", $target_path))
        //           ->insert('log_photo');

        $this->sys_ok(
            [
                "rename"=>$y, 
                "patient_id"=>$inp['id'], 
                "patient_mr"=>$p->M_DoctorCode, 
                "photo_url"=>"http://" . $_SERVER['SERVER_NAME'] . "/" . str_replace($home_dir, "", $target_path) . "?d=" . date("YmdHis")
            ]);
   }

   function base64_to_jpeg($base64_string, $output_file) {
        // open the output file for writing
        $ifp = fopen( $output_file, 'wb' ); 

        // split the string on commas
        // $data[ 0 ] == "data:image/png;base64"
        // $data[ 1 ] == <actual base64 string>
        $data = explode( ',', $base64_string );

        // we could add validation here with ensuring count( $data ) > 1
        fwrite( $ifp, base64_decode( $data[ 1 ] ) );

        // clean up the file resource
        fclose( $ifp ); 

        return $output_file; 
    }

    function generateThumbnail($img, $width, $height, $quality = 90)
      {
         if (is_file($img)) {
            $imagick = new Imagick(realpath($img));
            $imagick->setImageFormat('jpeg');
            $imagick->setImageCompression(Imagick::COMPRESSION_JPEG);
            $imagick->setImageCompressionQuality($quality);
            $imagick->thumbnailImage($width, $height, false, false);
            $filename_no_ext = reset(explode('.', $img));
            if (file_put_contents($filename_no_ext . '_thumb' . '.jpg', $imagick) === false) {
                  throw new Exception("Could not put contents.");
            }
            return $filename_no_ext . '_thumb' . '.jpg';
         }
         else {
            throw new Exception("No valid image provided with {$img}.");
         }
      }

   function regenerateOldPhoto($home_dir, $id)
   {
    //   $r = $this->db_smartone->select('m_doctorphoto, m_doctorphotocounter', false)
    //                        ->where('m_doctorid', $id)
    //                        ->get('m_doctor')
    //                        ->row();

        // $r = $this->db_smartone->select('M_DoctorPhoto, M_DoctorPhotoCounter', false)
        // ->where('M_DoctorID', $id)
        // ->get('m_doctor')
        // ->row();

        $sql = "SELECT * FROM m_doctor WHERE M_DoctorID = $id";
        $qry = $this->db_smartone->query($sql);

        if(!$qry){
            $this->sys_error_db("doctor select error", $this->db_smartone);
			exit;
        }

        $r = $qry->row();

        if ($r->M_DoctorPhoto != null && $r->M_DoctorPhotoCounter > 0) {
            $full_path = substr_replace($home_dir ,"", -1) . $r->M_DoctorPhoto;
            $path_parts = pathinfo($full_path);

            $rename = $path_parts['dirname'] . '/' . $path_parts['filename'] . '-' . $r->M_DoctorPhotoCounter . '.' . $path_parts['extension'];
            rename($full_path,  $rename);
            // echo $path_parts['dirname'], "\n";
            // echo $path_parts['extension'], "\n";
            // echo $path_parts['filename'], "\n";

            return "/" . str_replace($home_dir, "", $rename);
        }

        return false;
   }

}