<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
class Upload extends Controller
{
    var $stat;

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

    }

    function up_photo()
    {
        // in ie should add image/pjpeg

        function createThumb($img_file, $ori_path, $thumb_path, $img_type)
        {

            // get the image source
            $path = $ori_path;
            $img = $path . $img_file;
            switch ($img_type) {
                case "image/jpeg":
                    $img_src = @imagecreatefromjpeg($img);
                    break;
                case "image/pjpeg":
                    $img_src = @imagecreatefromjpeg($img);
                    break;
                case "image/png":
                    $img_src = @imagecreatefrompng($img);
                    break;
                case "image/x-png":
                    $img_src = @imagecreatefrompng($img);
                    break;
                case "image/gif":
                    $img_src = @imagecreatefromgif($img);
                    break;
            }
            $img_width = imagesx($img_src);
            $img_height = imagesy($img_src);

            $square_size = 200;

            // check width, height, or square
            if ($img_width == $img_height) {
                // square
                $tmp_width = $square_size;
                $tmp_height = $square_size;
            } else
                if ($img_height < $img_width) {
                    // wide
                    $tmp_height = $square_size;
                    $tmp_width = intval(($img_width / $img_height) * $square_size);
                    if ($tmp_width % 2 != 0) {
                        $tmp_width++;
                    }
                } else
                    if ($img_height > $img_width) {
                        $tmp_width = $square_size;
                        $tmp_height = intval(($img_height / $img_width) * $square_size);
                        if ($tmp_height % 2 != 0) {
                            $tmp_height++;
                        }
                    }

            $img_new = imagecreatetruecolor($tmp_width, $tmp_height);
            imagecopyresampled($img_new, $img_src, 0, 0, 0, 0, $tmp_width, $tmp_height, $img_width,
                $img_height);

            // create temporary thumbnail and locate on the server
            $thumb = $thumb_path . "thumb_" . $img_file;
            switch ($img_type) {
                case "image/jpeg":
                    imagejpeg($img_new, $thumb);
                    break;
                case "image/pjpeg":
                    imagejpeg($img_new, $thumb);
                    break;
                case "image/png":
                    imagepng($img_new, $thumb);
                    break;
                case "image/x-png":
                    imagepng($img_new, $thumb);
                    break;
                case "image/gif":
                    imagegif($img_new, $thumb);
                    break;
            }

            // get tmp_image
            switch ($img_type) {
                case "image/jpeg":
                    $img_thumb_square = imagecreatefromjpeg($thumb);
                    break;
                case "image/pjpeg":
                    $img_thumb_square = imagecreatefromjpeg($thumb);
                    break;
                case "image/png":
                    $img_thumb_square = imagecreatefrompng($thumb);
                    break;
                case "image/x-png":
                    $img_thumb_square = imagecreatefrompng($thumb);
                    break;
                case "image/gif":
                    $img_thumb_square = imagecreatefromgif($thumb);
                    break;
            }

            $thumb_width = imagesx($img_thumb_square);
            $thumb_height = imagesy($img_thumb_square);

            if ($thumb_height < $thumb_width) {
                // wide
                $x_src = ($thumb_width - $square_size) / 2;
                $y_src = 0;
                $img_final = imagecreatetruecolor($square_size, $square_size);
                imagecopy($img_final, $img_thumb_square, 0, 0, $x_src, $y_src, $square_size, $square_size);
            } else
                if ($thumb_height > $thumb_width) {
                    // landscape
                    $x_src = 0;
                    $y_src = ($thumb_height - $square_size) / 2;
                    $img_final = imagecreatetruecolor($square_size, $square_size);
                    imagecopy($img_final, $img_thumb_square, 0, 0, $x_src, $y_src, $square_size, $square_size);
                } else {
                    $img_final = imagecreatetruecolor($square_size, $square_size);
                    imagecopy($img_final, $img_thumb_square, 0, 0, 0, 0, $square_size, $square_size);
                }

                switch ($img_type) {
                    case "image/jpeg":
                        @imagejpeg($img_final, $thumb);
                        break;
                    case "image/pjpeg":
                        @imagejpeg($img_final, $thumb);
                        break;
                    case "image/png":
                        @imagepng($img_final, $thumb);
                        break;
                    case "image/x-png":
                        @imagepng($img_final, $thumb);
                        break;
                    case "image/gif":
                        @imagegif($img_final, $thumb);
                        break;
                }
        }

        $ori_dir = 'resources/img/ori/';
        $thumb_dir = 'resources/img/thumbs/';

        $allowedType = array(
            'image/jpeg',
            'image/pjpeg',
            'image/png',
            'image/gif',
            'image/x-png');

        $uploaded = 0;
        $failed = 0;
		
		

        foreach ($_FILES['img']['name'] as $key => $img) {
            if (in_array($_FILES['img']['type'][$key], $allowedType)) {
                // max upload file is 500 KB
                if ($_FILES['img']['size'][$key] <= 800000) {
                    // upload file
					$newname= str_replace(" ", "_", $_FILES['img']['name'][$key]);
		
                    move_uploaded_file($_FILES['img']['tmp_name'][$key], $ori_dir . $newname);

                    // create thumbnail
                    createThumb($newname, $ori_dir, $thumb_dir, $_FILES['img']['type'][$key]);

                    // count how many files uploaded
                    $uploaded++;
                } else {
                    $failed++;
                }
            } else
                if ($_FILES['img']['type'][$key] != '') {
                    $failed++;
                }
        }

        echo '{success: true, failed: ' . $failed . ', uploaded: ' . $uploaded .
            ', type: "' . $_FILES['img']['type'][0] . '"}';

    }
	
	 function del_photo()
    {
	$img=$this->input->post('images');

	 $rows = explode(";",$img);
     $row_count = count($rows);
			
            for($ri=0;$ri<$row_count;$ri++){
                unlink("resources/img/ori/$rows[$ri]");
				unlink("resources/img/thumbs/thumb_$rows[$ri]");
             }

	}
}