<?php

/**
 * Simple file upload layer. Handles file metadata and storage
 * Version 2020-01-01
 * (c) Vitaliy Filippov 2018+
 */

class File
{
    const ONLY_BINARY = 1;
    const ONLY_IMAGES = 2;
    const ONLY_SWF = 4;
    const ONLY_VIDEO = 8;
    const IMAGES_VIDEO = 10;
    const ANY_MEDIA = 14;
    const ANYTHING = 15;

    const CROP_XY = 1;
    const CROP_Y = 2;
    const CROP_X = 3;

    public static $table = 'files';

    public static function getDiskPath($file)
    {
        return FileHandler::getPath(false, $file);
    }

    public static function getUrl($file)
    {
        return FileHandler::getPath(true, $file);
    }

    public static function getThumbPath($file, $type)
    {
        return FileHandler::getThumbPath(false, $file, $type);
    }

    public static function getGPS($file)
    {
        return FileHandler::getGPS($file);
    }

    public static function getSizeString($file, $lang = 'ru')
    {
        return FileUtils::sizeString($file['size'], $lang);
    }

    public static function getThumb($file, $width, $height, $force = false, $crop = false, $alignY = 0.5)
    {
        return FileHandler::getThumb($file, $width, $height, $force, $crop, $alignY);
    }

    public static function cropThumb($file, $width, $height, $alignY = 0.5)
    {
        return FileHandler::getThumb($file, $width, $height, false, self::CROP_XY, $alignY);
    }

    public static function cropYThumb($file, $width, $max_height, $alignY = 0.5)
    {
        return FileHandler::getThumb($file, $width, $max_height, false, self::CROP_Y, $alignY);
    }

    public static function cropXThumb($file, $max_width, $height)
    {
        return FileHandler::getThumb($file, $max_width, $height, false, self::CROP_X);
    }

    protected static function doUpload($row)
    {
        $exist = App::$db->select(File::$table, '*', [ 'sha1' => $row['sha1'] ], NULL, MS_ROW);
        if ($exist)
        {
            $exist['props'] = json_decode($exist['props'], true);
            return $exist;
        }
        $row['id'] = App::$db->insert_row(File::$table, [
            'props' => json_encode($row['props'], JSON_UNESCAPED_UNICODE|JSON_UNESCAPED_SLASHES),
            'added' => time(),
        ] + $row);
        return $row;
    }

    public static function upload(LocalFile $localFile, $allowedFormats = File::ANYTHING)
    {
        return self::doUpload(FileHandler::upload($localFile, $allowedFormats));
    }

    public static function uploadUrl($url, $allowedFormats = File::ONLY_IMAGES, $curl_options = [])
    {
        return self::doUpload(FileHandler::uploadUrl($url, $allowedFormats, $curl_options));
    }

    public static function deleteFiles($where)
    {
        return FileHandler::deleteFiles($where);
    }
}