<?php

declare(strict_types=1);

namespace App\Http\Controllers;

use Illuminate\Support\Facades\Config;
use Symfony\Component\HttpFoundation\StreamedResponse;
use Uwil\Storage\Contracts\StorageService;
use Uwil\Storage\Exceptions\UnexpectedStorageException;
use Uwil\Storage\Lib\ValueObjects\StorageFilePath;

class MediaController extends Controller
{
    public function __invoke(string $path, StorageService $storage): StreamedResponse
    {
        $prefix   = Config::string('storage-service.prefix', 'media');
        $fullPath = $prefix !== ''
            ? trim($prefix, '/') . '/' . ltrim($path, '/')
            : ltrim($path, '/');

        try {
            $filePath = new StorageFilePath($fullPath);
        } catch (UnexpectedStorageException) {
            abort(404, 'Fichier introuvable ou chemin invalide.');
        }

        $fileStream = $storage->getFile($filePath);
        if ($fileStream === null) {
            abort(404, 'Fichier introuvable.');
        }

        $extension = strtolower(pathinfo($path, PATHINFO_EXTENSION));
        $mimeType  = $this->getMimeType($extension);

        $headers = [
            'Content-Type'        => $mimeType,
            'Content-Disposition' => 'inline; filename="' . basename($path) . '"',
            'Cache-Control'       => 'public, max-age=31536000, immutable',
        ];
        $size = $fileStream->getSize();
        if ($size !== null) {
            $headers['Content-Length'] = (string) $size;
        }

        return response()->stream(
            function () use ($fileStream): void {
                $resource = $fileStream->stream();
                if (is_resource($resource)) {
                    fpassthru($resource);
                }
            },
            200,
            $headers
        );
    }

    /**
     * @phpcs:disable Generic.Metrics.CyclomaticComplexity.TooHigh
     */
    private function getMimeType(string $extension): string
    {
        return match ($extension) {
            'png'         => 'image/png',
            'jpg', 'jpeg' => 'image/jpeg',
            'gif'         => 'image/gif',
            'webp'        => 'image/webp',
            'pdf'         => 'application/pdf',
            'svg'         => 'image/svg+xml',
            'mp4'         => 'video/mp4',
            'webm'        => 'video/webm',
            'txt'         => 'text/plain',
            'csv'         => 'text/csv',
            default       => 'application/octet-stream',
        };
    }
}