<?php


namespace App\Services;


class RenameService
{
    public function rename($baseDir = "/Volumes/N/v/美腿骇客 Leghacker&Leglegs-TLoB/", $prefix = "")
    {
        if (!is_dir($baseDir)) {
            return;
        }
        $this->parseDir($baseDir, $prefix);

    }

    public function yaRename($baseDir = "/Volumes/intel660p/image/xg/zz/")
    {
        if (!is_dir($baseDir)) {
            return;
        }
        $this->yaParseDir($baseDir);

    }

    private function parseDir($dir, $prefix = "")
    {
        if (!is_dir($dir)) {
            return;
        }
        $files = scandir($dir);
        foreach ($files as $file) {
//            dump($file);
            if ($file == "." || $file == ".." || $file == ".DS_Store" || $file == ".tmp.drivedownload") {
                continue;
            }
            if (is_dir($dir . "/" .$file)) {
                $this->parseDir($dir . "/" . $file, $prefix);
            }
            if (is_file($dir . "/" .$file) && (pathinfo($file, PATHINFO_EXTENSION) == "JPG" || pathinfo($file, PATHINFO_EXTENSION) == "gif" || pathinfo($file, PATHINFO_EXTENSION) == "jpg" || pathinfo($file, PATHINFO_EXTENSION) == "jpeg" || pathinfo($file, PATHINFO_EXTENSION) == "png" || pathinfo($file, PATHINFO_EXTENSION) == "mp4" || pathinfo($file, PATHINFO_EXTENSION) == "avi")) {
                echo $dir;
                echo "\n";
                echo $file;
                $dirList = explode("/", $dir);
                $filePrefix = $prefix . array_pop($dirList);
                if (!str_contains($file, $filePrefix)) {
                    rename($dir . "/" . $file, $dir. "/". $filePrefix. "-" . $file);
                }
                echo "\n";
//                exit;
            }
        }
    }

    private function yaParseDir($dir, $starter = "zz") {
        if (!is_dir($dir)) {
            return;
        }
        $files = scandir($dir);
        foreach ($files as $file) {
            //            dump($file);
            if ($file == "." || $file == ".." || $file == ".DS_Store" || $file == ".tmp.drivedownload") {
                continue;
            }
            if (is_dir($dir . "/" . $file)) {
                $this->yaParseDir($dir . "/" . $file);
            }
            if (is_file($dir . "/" . $file) && (pathinfo($file, PATHINFO_EXTENSION) == "jpg" || pathinfo($file, PATHINFO_EXTENSION) == "jpeg" || pathinfo($file, PATHINFO_EXTENSION) == "mp4")) {
                echo $dir;
                echo "\n";
                echo $file;
                $dirList = explode("/", $dir);
                $filePrefix = array_pop($dirList);
                $filePrefixList = explode("-", $filePrefix);
                if (!str_contains($file, $starter . "-" . $filePrefixList[0])) {
                    rename($dir . "/" . $file, $dir . "/" . $starter . "-" . $filePrefixList[0] . "-" . $file);
                }
                echo "\n";
                //                exit;
            }
        }
    }

    public function mvFiles($dir = "")
    {
        $dirList = [];
        $fileList = [];
        if (is_dir($dir)){
            $files = scandir($dir);
            foreach ($files as $file) {
                if ($file == "." || $file == "..") {
                    continue;
                }
                if (is_dir($dir . $file)) {
                    $dirList[$file] = $dir . $file;
                }
                if (is_file($dir . $file) && pathinfo($file, PATHINFO_EXTENSION) == "mp4") {
                    $fileList[$file] = $dir . $file;
                }
            }
//            foreach ($fileList as $key => $value) {
//                $fileKey = explode(" ", $key)[0];
//                if (array_key_exists($fileKey, $dirList)) {
//                    echo $fileKey . "\n";
////                    copy($value, $dirList[$fileKey] . "/" . $key);
//                    shell_exec("mv " . escapeshellarg($value) . " " . escapeshellarg($dirList[$fileKey] . "/" . $fileKey . ".mp4"));
////                    exit;
//                }
////                exit;
//            }
            foreach ($fileList as $key => $value) {
                $fileMatches = [];
                preg_match("#VN.\d+#", $key, $fileMatches);
                foreach ($dirList as $dirKey => $dirValue) {
                    $dirMatches = [];
                    preg_match("#VN.\d+#", $dirKey, $dirMatches);
                    if (count($fileMatches) == 1 && count($dirMatches) == 1 && $fileMatches[0] == $dirMatches[0]) {

                        echo "file is " . $key . " dir is " . $dirKey . "\n";
                        shell_exec("mv " . escapeshellarg($value) . " " . escapeshellarg($dirList[$dirKey] . "/" . $dirKey . ".mp4"));
                    }
                }
            }

            print_r($dirList);
            print_r($fileList);
        }
    }

    public function splitCustomSizeOfFolder($dir = "", $prefix = "", $size = 500)
    {
        $files = $this->recordAllFiles($dir, $prefix);
        asort($files, SORT_NUMERIC);
        $files = array_keys($files);
        $allFileNum = count($files);
        $folderNum = ceil(count($files) / $size);
        for ($i=0; $i < $folderNum; $i++) {
            # code...
            $currentDirName = $dir . DIRECTORY_SEPARATOR . $prefix . "_00" .$i;
            if (!is_dir($currentDirName)) {
                mkdir($currentDirName);
            }
            for ($j=0 + $i * $size; $j < ($i + 1) * $size && $j < $allFileNum; $j++) {
                $fileInfo = pathinfo($files[$j]);
                $newFileName = $currentDirName . DIRECTORY_SEPARATOR . $fileInfo['filename'];
                $t = 0;
                $trueNewFileName = $newFileName . "." . $fileInfo["extension"];

                while (is_file($trueNewFileName)) {
                    echo "file " . $trueNewFileName . " already exists\n";
                    $trueNewFileName = $newFileName . "_" . $t++ . "." . $fileInfo["extension"];
                    echo "now rename {$files[$j]} to " . $trueNewFileName .  "\n";
                }
                rename($files[$j], $trueNewFileName);
//                if (is_file($currentDirName . DIRECTORY_SEPARATOR . $fileInfo['basename'])) {
//                    echo "file " . $currentDirName . DIRECTORY_SEPARATOR . $fileInfo['basename'] . " already exists\n";
//                    echo "now rename {$files[$j]} to " . $currentDirName . DIRECTORY_SEPARATOR . $fileInfo['filename'] . "_1." . $fileInfo['extension'] . "\n";
//                    rename($files[$j], $currentDirName . DIRECTORY_SEPARATOR . $fileInfo['filename'] . "_1." . $fileInfo['extension']);
//                } else{
//                    rename($files[$j], $currentDirName . DIRECTORY_SEPARATOR . $fileInfo['basename']);
//                }
            }
        }
    }

    public function recordAllFiles($dir = "", $prefix) {
        $trueFiles = [];
        if (is_dir($dir)) {
            $files = scandir($dir);
            foreach ($files as $file) {
                if ($file == "." || $file == ".." || $file == ".DS_Store" || $file == ".tmp.drivedownload" || str_contains($file, $prefix . "_00")) {
                    continue;
                }
                if (is_dir($dir . DIRECTORY_SEPARATOR . $file)) {
                    $trueFiles = array_merge($trueFiles, $this->recordAllFiles($dir . DIRECTORY_SEPARATOR . $file, $prefix));
                }
                if (is_file($dir . DIRECTORY_SEPARATOR . $file)) {
                    $filetime = filectime($dir . DIRECTORY_SEPARATOR . $file);
                    $trueFiles[$dir . DIRECTORY_SEPARATOR . $file] = $filetime;
                }
            }
        }
        // dump($files);
        return $trueFiles;
    }

}