<?php

declare(strict_types=1);

namespace Config;

/**
 * This file contains an array of mime types.  It is used by the Upload class to help identify allowed file types.
 *
 * When more than one variation for an extension exist (like jpg, jpeg, etc) the most common one should be first in the
 * array to aid the guess* methods. The same applies when more than one mime-type exists for a single extension.
 *
 * When working with mime types, please make sure you have the ´fileinfo´ extension enabled to reliably detect the
 * media types.
 */
class Mimes
{
    /**
     * Map of extensions to mime types.
     *
     * @var array<string, list<string>|string>
     */
    public static $mimes = [
        'hqx' => [
            'application/mac-binhex40',
            'application/mac-binhex',
            'application/x-binhex40',
            'application/x-mac-binhex40',
        ],
        'cpt' => 'application/mac-compactpro',
        'csv' => [
            'text/csv',
            'text/x-comma-separated-values',
            'text/comma-separated-values',
            'application/vnd.ms-excel',
            'application/x-csv',
            'text/x-csv',
            'application/csv',
            'application/excel',
            'application/vnd.msexcel',
            'text/plain',
        ],
        'bin' => [
            'application/macbinary',
            'application/mac-binary',
            'application/octet-stream',
            'application/x-binary',
            'application/x-macbinary',
        ],
        'dms' => 'application/octet-stream',
        'lha' => 'application/octet-stream',
        'lzh' => 'application/octet-stream',
        'exe' => ['application/octet-stream',
            'application/vnd.microsoft.portable-executable',
            'application/x-dosexec',
            'application/x-msdownload'],
        'class' => 'application/octet-stream',
        'psd'   => ['application/x-photoshop', 'image/vnd.adobe.photoshop'],
        'so'    => 'application/octet-stream',
        'sea'   => 'application/octet-stream',
        'dll'   => 'application/octet-stream',
        'oda'   => 'application/oda',
        'pdf'   => ['application/pdf', 'application/force-download', 'application/x-download'],
        'ai'    => ['application/pdf', 'application/postscript'],
        'eps'   => 'application/postscript',
        'ps'    => 'application/postscript',
        'smi'   => 'application/smil',
        'smil'  => 'application/smil',
        'mif'   => 'application/vnd.mif',
        'xls'   => [
            'application/vnd.ms-excel',
            'application/msexcel',
            'application/x-msexcel',
            'application/x-ms-excel',
            'application/x-excel',
            'application/x-dos_ms_excel',
            'application/xls',
            'application/x-xls',
            'application/excel',
            'application/download',
            'application/vnd.ms-office',
            'application/msword',
        ],
        'ppt' => [
            'application/vnd.ms-powerpoint',
            'application/powerpoint',
            'application/vnd.ms-office',
            'application/msword',
        ],
        'pptx'  => ['application/vnd.openxmlformats-officedocument.presentationml.presentation'],
        'wbxml' => 'application/wbxml',
        'wmlc'  => 'application/wmlc',
        'dcr'   => 'application/x-director',
        'dir'   => 'application/x-director',
        'dxr'   => 'application/x-director',
        'dvi'   => 'application/x-dvi',
        'gtar'  => 'application/x-gtar',
        'gz'    => 'application/x-gzip',
        'gzip'  => 'application/x-gzip',
        'php'   => [
            'application/x-php',
            'application/x-httpd-php',
            'application/php',
            'text/php',
            'text/x-php',
            'application/x-httpd-php-source',
        ],
        'php4'  => 'application/x-httpd-php',
        'php3'  => 'application/x-httpd-php',
        'phtml' => 'application/x-httpd-php',
        'phps'  => 'application/x-httpd-php-source',
        'js'    => ['application/x-javascript', 'text/plain'],
        'swf'   => 'application/x-shockwave-flash',
        'sit'   => 'application/x-stuffit',
        'tar'   => 'application/x-tar',
        'tgz'   => ['application/x-tar', 'application/x-gzip-compressed'],
        'z'     => 'application/x-compress',
        'xhtml' => 'application/xhtml+xml',
        'xht'   => 'application/xhtml+xml',
        'zip'   => [
            'application/x-zip',
            'application/zip',
            'application/x-zip-compressed',
            'application/s-compressed',
            'multipart/x-zip',
        ],
        'rar'  => ['application/vnd.rar', 'application/x-rar', 'application/rar', 'application/x-rar-compressed'],
        'mid'  => 'audio/midi',
        'midi' => 'audio/midi',
        'mp3'  => ['audio/mpeg', 'audio/mpg', 'audio/mpeg3', 'audio/mp3', 'application/octet-stream'],
        'mpga' => 'audio/mpeg',
        'mp2'  => 'audio/mpeg',
        'aif'  => ['audio/x-aiff', 'audio/aiff'],
        'aiff' => ['audio/x-aiff', 'audio/aiff'],
        'aifc' => 'audio/x-aiff',
        'ram'  => 'audio/x-pn-realaudio',
        'rm'   => 'audio/x-pn-realaudio',
        'rpm'  => 'audio/x-pn-realaudio-plugin',
        'ra'   => 'audio/x-realaudio',
        'rv'   => 'video/vnd.rn-realvideo',
        'wav'  => ['audio/x-wav', 'audio/wave', 'audio/wav'],
        'bmp'  => [
            'image/bmp',
            'image/x-bmp',
            'image/x-bitmap',
            'image/x-xbitmap',
            'image/x-win-bitmap',
            'image/x-windows-bmp',
            'image/ms-bmp',
            'image/x-ms-bmp',
            'application/bmp',
            'application/x-bmp',
            'application/x-win-bitmap',
        ],
        'gif'   => 'image/gif',
        'jpg'   => ['image/jpeg', 'image/pjpeg'],
        'jpeg'  => ['image/jpeg', 'image/pjpeg'],
        'jpe'   => ['image/jpeg', 'image/pjpeg'],
        'jp2'   => ['image/jp2', 'video/mj2', 'image/jpx', 'image/jpm'],
        'j2k'   => ['image/jp2', 'video/mj2', 'image/jpx', 'image/jpm'],
        'jpf'   => ['image/jp2', 'video/mj2', 'image/jpx', 'image/jpm'],
        'jpg2'  => ['image/jp2', 'video/mj2', 'image/jpx', 'image/jpm'],
        'jpx'   => ['image/jp2', 'video/mj2', 'image/jpx', 'image/jpm'],
        'jpm'   => ['image/jp2', 'video/mj2', 'image/jpx', 'image/jpm'],
        'mj2'   => ['image/jp2', 'video/mj2', 'image/jpx', 'image/jpm'],
        'mjp2'  => ['image/jp2', 'video/mj2', 'image/jpx', 'image/jpm'],
        'png'   => ['image/png', 'image/x-png'],
        'webp'  => 'image/webp',
        'tif'   => 'image/tiff',
        'tiff'  => 'image/tiff',
        'css'   => ['text/css', 'text/plain'],
        'html'  => ['text/html', 'text/plain'],
        'htm'   => ['text/html', 'text/plain'],
        'shtml' => ['text/html', 'text/plain'],
        'txt'   => 'text/plain',
        'text'  => 'text/plain',
        'log'   => ['text/plain', 'text/x-log'],
        'rtx'   => 'text/richtext',
        'rtf'   => 'text/rtf',
        'xml'   => ['application/xml', 'text/xml', 'text/plain'],
        'xsl'   => ['application/xml', 'text/xsl', 'text/xml'],
        'mpeg'  => 'video/mpeg',
        'mpg'   => 'video/mpeg',
        'mpe'   => 'video/mpeg',
        'qt'    => 'video/quicktime',
        'mov'   => 'video/quicktime',
        'avi'   => ['video/x-msvideo', 'video/msvideo', 'video/avi', 'application/x-troff-msvideo'],
        'movie' => 'video/x-sgi-movie',
        'doc'   => ['application/msword', 'application/vnd.ms-office'],
        'docx'  => [
            'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
            'application/zip',
            'application/msword',
            'application/x-zip',
        ],
        'dot'  => ['application/msword', 'application/vnd.ms-office'],
        'dotx' => [
            'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
            'application/zip',
            'application/msword',
        ],
        'xlsx' => [
            'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
            'application/zip',
            'application/vnd.ms-excel',
            'application/msword',
            'application/x-zip',
        ],
        'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
        'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
        'word' => ['application/msword', 'application/octet-stream'],
        'xl'   => 'application/excel',
        'eml'  => 'message/rfc822',
        'json' => ['application/json', 'text/json', 'text/plain'],
        'pem'  => ['application/x-x509-user-cert', 'application/x-pem-file', 'application/octet-stream'],
        'p10'  => ['application/x-pkcs10', 'application/pkcs10'],
        'p12'  => 'application/x-pkcs12',
        'p7a'  => 'application/x-pkcs7-signature',
        'p7c'  => ['application/pkcs7-mime', 'application/x-pkcs7-mime'],
        'p7m'  => ['application/pkcs7-mime', 'application/x-pkcs7-mime'],
        'p7r'  => 'application/x-pkcs7-certreqresp',
        'p7s'  => 'application/pkcs7-signature',
        'crt'  => ['application/x-x509-ca-cert', 'application/x-x509-user-cert', 'application/pkix-cert'],
        'crl'  => ['application/pkix-crl', 'application/pkcs-crl'],
        'der'  => 'application/x-x509-ca-cert',
        'kdb'  => 'application/octet-stream',
        'pgp'  => 'application/pgp',
        'gpg'  => 'application/gpg-keys',
        'sst'  => 'application/octet-stream',
        'csr'  => 'application/octet-stream',
        'rsa'  => 'application/x-pkcs7',
        'cer'  => ['application/pkix-cert', 'application/x-x509-ca-cert'],
        '3g2'  => 'video/3gpp2',
        '3gp'  => ['video/3gp', 'video/3gpp'],
        'mp4'  => 'video/mp4',
        'm4a'  => ['audio/m4a', 'audio/x-m4a', 'application/octet-stream'],
        'f4v'  => ['video/mp4', 'video/x-f4v'],
        'flv'  => 'video/x-flv',
        'webm' => 'video/webm',
        'aac'  => 'audio/x-acc',
        'm4u'  => 'application/vnd.mpegurl',
        'm3u'  => 'text/plain',
        'xspf' => 'application/xspf+xml',
        'vlc'  => 'application/videolan',
        'wmv'  => ['video/x-ms-wmv', 'video/x-ms-asf'],
        'au'   => 'audio/x-au',
        'ac3'  => 'audio/ac3',
        'flac' => 'audio/x-flac',
        'ogg'  => ['audio/ogg', 'video/ogg', 'application/ogg'],
        'kmz'  => ['application/vnd.google-earth.kmz', 'application/zip', 'application/x-zip'],
        'kml'  => ['application/vnd.google-earth.kml+xml', 'application/xml', 'text/xml'],
        'ics'  => 'text/calendar',
        'ical' => 'text/calendar',
        'zsh'  => 'text/x-scriptzsh',
        '7zip' => [
            'application/x-compressed',
            'application/x-zip-compressed',
            'application/zip',
            'multipart/x-zip',
        ],
        'cdr' => [
            'application/cdr',
            'application/coreldraw',
            'application/x-cdr',
            'application/x-coreldraw',
            'image/cdr',
            'image/x-cdr',
            'zz-application/zz-winassoc-cdr',
        ],
        'wma' => ['audio/x-ms-wma', 'video/x-ms-asf'],
        'jar' => [
            'application/java-archive',
            'application/x-java-application',
            'application/x-jar',
            'application/x-compressed',
        ],
        'svg' => ['image/svg+xml', 'image/svg', 'application/xml', 'text/xml'],
        'vcf' => 'text/x-vcard',
        'srt' => ['application/x-subrip', 'text/srt', 'text/plain', 'application/octet-stream'],
        'vtt' => ['text/vtt', 'text/plain'],
        'ico' => ['image/x-icon', 'image/x-ico', 'image/vnd.microsoft.icon'],
        'stl' => ['application/sla', 'application/vnd.ms-pki.stl', 'application/x-navistyle', 'model/stl',
            'application/octet-stream', ],
    ];

    /**
     * Attempts to determine the best mime type for the given file extension.
     *
     * @return string|null The mime type found, or none if unable to determine.
     */
    public static function guessTypeFromExtension(string $extension): ?string
    {
        $extension = trim(strtolower($extension), '. ');

        if (! array_key_exists($extension, static::$mimes)) {
            return null;
        }

        return is_array(static::$mimes[$extension])
            ? static::$mimes[$extension][0]
            : static::$mimes[$extension];
    }

    /**
     * Attempts to determine the best file extension for a given mime type.
     *
     * @param string|null $proposedExtension - default extension (in case there is more than one with the same mime type)
     * @return string|null The extension determined, or null if unable to match.
     */
    public static function guessExtensionFromType(string $type, ?string $proposedExtension = null): ?string
    {
        $type = trim(strtolower($type), '. ');

        $proposedExtension = trim(strtolower($proposedExtension ?? ''));

        if (
            $proposedExtension !== ''
            && array_key_exists($proposedExtension, static::$mimes)
            && in_array($type, (array) static::$mimes[$proposedExtension], true)
        ) {
            // The detected mime type matches with the proposed extension.
            return $proposedExtension;
        }

        // Reverse check the mime type list if no extension was proposed.
        // This search is order sensitive!
        foreach (static::$mimes as $ext => $types) {
            if (in_array($type, (array) $types, true)) {
                return $ext;
            }
        }

        return null;
    }
}
