<?php

namespace App\Http\Controllers;

use Illuminate\Http\Request;
use League\Glide\ServerFactory;
use Illuminate\Support\Facades\Storage;
use Symfony\Component\HttpFoundation\StreamedResponse;

use App\Models\Media;

class MediaController extends Controller
{
    /**
     * Handle JIT image requests.
     */
    public function __invoke(Request $request, string $path)
    {
        // Check if the file exists in the source directory
        if (! Storage::disk('public')->exists("media/{$path}")) {
            abort(404);
        }

        // Try to find focal point in DB
        $media = Media::where('filename', basename($path))->first();
        $params = $request->all();

        if ($media && !isset($params['fit'])) {
            // If we have a focal point, default to crop with that focal point if fit is not specified
            // Glide uses 'crop-x-y-zoom' or similar, but simpler is just 'fit=crop-center'
            // Actually Glide supports 'fit=crop-x-y-zoom'
            $params['fit'] = 'crop-' . $media->focal_x . '-' . $media->focal_y . '-1';
        }

        $server = ServerFactory::create([
            'source' => storage_path('app/public/media'),
            'cache' => storage_path('app/public/media/cache'),
            'driver' => 'gd',
            'defaults' => [
                'q' => 90,
                'fm' => 'webp',
            ],
        ]);

        $response = new StreamedResponse(function () use ($server, $path, $params) {
            $server->outputImage($path, $params);
        });

        // Set correct content type
        $extension = $request->get('fm') ?: pathinfo($path, PATHINFO_EXTENSION);
        $mimeType = match ($extension) {
            'webp' => 'image/webp',
            'avif' => 'image/avif',
            'png' => 'image/png',
            'gif' => 'image/gif',
            default => 'image/jpeg',
        };
        $response->headers->set('Content-Type', $mimeType);

        return $response;
    }
}