<?php
	require_once("check_login.php");
	require_once("function_cropimg.php");
	require_once("mime_type_lib.php");

	$slideid   = (int)$_POST["slideid"];
	$nowdate   = date("Y-m-d H:i:s");

	$sql = "select * from slideshow where slideid = ?";
	$parameters = array($slideid);
	$old_slideshow_info = bind_pdo($sql, $parameters, "selectone");

	foreach ($arraylangcode as $langcode => $langname) {
		$slidelink[$langcode] = $_POST["slidelink_" . $langcode];

		// Upload File
		$filelimit = 10 * 1048576; //Filelimit in 10MB
		if ($_FILES["slideimg_" . $langcode]['name'] <> '') {
			if ($_FILES["slideimg_" . $langcode]['size'] < $filelimit) {

				//check if image type is valid or not
				$mime = get_file_mime_type($_FILES["slideimg_" . $langcode]['name']);

				if (($mime == "image/gif") || ($mime == "image/jpeg") || ($mime == "image/png")) {

					$filename = $_FILES["slideimg_" . $langcode]['name'];
					preg_match("/\.([^\.]+)$/", $filename, $file_ext);
					$newfilename = random_string() . "_slideid_" . $slideid . "." . $file_ext[1]; // default length 8

					move_uploaded_file($_FILES["slideimg_" . $langcode]['tmp_name'], "../images/slideshow/" . $newfilename) or die ("Could not copy the file");

					$slideimg_path = "../images/slideshow/".$newfilename;

					createthumb($slideimg_path, $slideimg_path, 1200, 400);

					$slideimg[$langcode] = $newfilename;

				} else {
					echo '<script language="javascript">
				alert("Image format should be JPEG, GIF or PNG. Image size should be lower than 10MB");
				history.back();
			</script>';

					exit;
				}

			} else {
				echo '<script language="javascript">
				alert("Image format should be JPEG, GIF or PNG. Image size should be lower than 10MB");
				history.back();
			</script>';

				exit;
			}

		} else {
			$slideimg[$langcode] = "";
		}
	}

	// Modify
	$sql        = "update slideshow set lastupdate=?, lastupby=?, ";
	$parameters = array($nowdate, $_SESSION['cmsloginid']);

	foreach ($arraylangcode as $langcode => $langname) {
		$sql .= "slidelink_" . $langcode . "=?, ";

		$parameters[] = $slidelink[$langcode];

		if ($slideimg[$langcode] != '' || $_POST['delimage_' . $langcode] > 0) {
			$sql .= "slideimg_" . $langcode . "=?, ";
			$parameters[] = $slideimg[$langcode];

			//unlink image
			$unlink_file_path = "../images/slideshow/".$old_slideshow_info["slideimg_".$langcode];

			if( is_file ($unlink_file_path) ){
				unlink($unlink_file_path);
			}
		}
	}

	$sql = substr_replace($sql, "", -2);

	$sql .= " where slideid=?";
	$parameters[] = $slideid;

	bind_pdo($sql, $parameters);

	$dbh = null;

	header("Location: slideshow_index.php?msg=2");