<?php
/**
 * functions/upload.php
 *
 * This class is used for manipulation of Images used by the application.
 *
 * @todo Add the config switches.
 *
 * @version 3.0
 * @author  Joey Kimsey <Joey@thetempusproject.com>
 * @link    https://TheTempusProject.com/Core
 * @license https://opensource.org/licenses/MIT [MIT LICENSE]
 */
namespace TheTempusProject\Bedrock\Functions;

use TheTempusProject\Canary\Bin\Canary as Debug;

class Upload {
    public static $lastUpload = null;
    public static $lastUploadLocation = null;

    /**
     * This function verifies a valid image upload, creates any
     * necessary directories, moves, and saves, the image.
     *
     * @param  {string} [$fieldname] - The name of the input field for the upload.
     * @param  {string} [$folder] - The sub-folder to store the uploaded image.
     * @return {bool}
     */
    public static function image( $fieldname, $folder ) {
        if ( !Check::imageUpload( $fieldname ) ) {
            Debug::error( Check::systemErrors() );
            return false;
        }
        // @todo Let's try and avoid 777 if possible
        // Try catch here for better error handling
        if ( empty( $folder ) ) {
            $folder = IMAGE_UPLOAD_DIRECTORY;
        }
        if ( !file_exists( $folder ) ) {
            Debug::Info( 'Creating Directory because it does not exist' );
            mkdir( $folder, 0777, true );
        }
        self::$lastUpload = basename( $_FILES[$fieldname]['name'] );
        self::$lastUploadLocation = $folder . self::$lastUpload;
        if ( move_uploaded_file( $_FILES[$fieldname]['tmp_name'], self::$lastUploadLocation ) ) {
            return true;
        } else {
            Debug::error( 'failed to move the file.' );
            return false;
        }
    }

    /**
     * Returns the file location of the most recent
     * uploaded image if one exists.
     *
     * @return {string} - The file location of the most recent uploaded image.
     */
    public static function lastLocation() {
        return self::$lastUploadLocation;
    }

    /**
     * Returns the name of the most recent
     * uploaded image if one exists.
     *
     * @return {string} - The filename of the most recent uploaded image.
     */
    public static function last() {
        return self::$lastUpload;
    }
}