<?php
namespace App\Services;
use ImageOptimizer\OptimizerFactory;
use Mhor\MediaInfo\MediaInfo;
use Illuminate\Support\Facades\Redis;


class ReplaceCompressedMediaService {

    private $factory;
    private $optimizer;
    public function __construct()
    {
        $this->factory = new OptimizerFactory([
            "output_filepath_pattern" => "%basename%/%filename%-new%ext%",
            "ignore_errors" => false,
            "jpegoptim_options" => array('-m85', '-S20%', '--strip-all', '--all-progressive'),
//            "jpegtran_options" => array('-m85', '-S30', '-optimize', '-progressive')
        ]);
        $this->optimizer = $this->factory->get("jpegoptim");
    }

    public function processDir($baseDir =   "/Volumes/WD/tmp/bilibili/aoa")
    {
        $files = scandir($baseDir);
        foreach ($files as $file) {
                if ($file == "." || $file == ".." || $file == ".DS_Store") {
                continue;
            }
            $subDir = implode("/", [$baseDir, $file]);
            $isDir = is_dir($subDir);
            if ($isDir) {
                $this->processDir($subDir);
            } else {
                $this->processFiles($subDir);
            }
        }
    }

    public function processFiles($pathFile)
    {
        $mime = mime_content_type($pathFile);
//                    dump("file type", [$mime, $pathFile]);exit;
//                    continue;

        if (strstr($mime, "video/")) {
            $this->processVideo($pathFile);
        } elseif (strstr($mime, "image/")) {
            $this->processImage($pathFile);
        }
    }

    public function processVideo($pathFile) {
        if (is_file($pathFile)) {
            $mediaInfo = new MediaInfo();
            $mediaInfo->setConfig('use_oldxml_mediainfo_output_format', true);
            $mediaContainer = $mediaInfo->getInfo($pathFile);
            foreach ($mediaContainer->getVideos() as $video) {
                $height = $video->get('height')->getAbsoluteValue();
                $width = $video->get('width')->getAbsoluteValue();
                if ($height > $width && $width <= 720) {
                    echo "$pathFile 分辨率小于 720p 跳过\n";
                    return;
                }
                if ($height <= $width && $height <= 720) {
                    echo "$pathFile 分辨率小于 720p 跳过\n";
                    return;
                }

            }
            $fileInfo = pathinfo($pathFile);
            dump("fileInfo", $fileInfo);
            if (ends_with($fileInfo["filename"], "-XXXXX#compressed")) {
                return;
            }
            if (starts_with($fileInfo["filename"], "171221 M!CountDown 光州特辑女团现场合集") || starts_with($fileInfo["filename"], "Rainbow - A 现场合集 P14 Rainbow - A + Mach")) {
                return;
            }
            if (Redis::sismember("unneed", $fileInfo["filename"])) {
                return;
            }
            $targetFile = $fileInfo["dirname"] . '/' .$fileInfo["filename"] . '-XXXXX#compressed'. '.' . $fileInfo["extension"];
            if (is_file($targetFile)) {
                unlink($pathFile);
                rename($targetFile, $pathFile);
                return;
            }
            dump("targetFile", [$targetFile]);
//                         $result = shell_exec("handBrakeCli -Z 'Very Fast 720p30' -i '". $subPathFile ."' -o '".  $targetFile  . " &&  echo 'success'");
            $result = shell_exec("handBrakeCli --json -Z 'Very Fast 720p30' -i '". $pathFile ."' -o '".  $targetFile . "'");
//                echo $result;
            preg_match_all("#\"State\"\: \"WORKDONE\"#", $result, $match);
            if (count($match) > 0) {
                echo "compress work done remove the  file \n";
                $oldFileSize = filesize($pathFile);
                $newFileSize = filesize($targetFile);
                if ($newFileSize >= $oldFileSize) {
                    Redis::sadd("unneed", $fileInfo["filename"]);
                    echo "old file size is smaller than new one, old is " . file_size($oldFileSize) . " and new is " . file_size($newFileSize) . ", now remove new one";
                    unlink($targetFile);
                } else {
                    echo "new file size is smaller than old one, new is " . file_size($newFileSize) . " and old is " . file_size($oldFileSize) . ", now remove old one";
                    unlink($pathFile);
                    rename($targetFile, $pathFile);
                }
            }
        }
    }

    public function processImage($pathFile) {
        $this->optimizer->optimize($pathFile);
    }

    function human_filesize($bytes, $decimals = 2) {
        $sz = 'BKMGTP';
        $factor = floor((strlen($bytes) - 1) / 3);
        return sprintf("%.{$decimals}f", $bytes / pow(1024, $factor)) . @$sz[$factor];
    }

}