<?php

namespace App\Http\Controllers\Admin\Media;

use App\Http\Controllers\Controller;
use Aws\S3\S3Client;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Str;

class PresignedUploadController extends Controller
{
    public function presign(Request $request): JsonResponse
    {
        $validated = $request->validate([
            'filename' => ['required', 'string', 'max:255'],
            'mime_type' => ['required', 'string', 'max:100'],
        ]);

        $extension = pathinfo($validated['filename'], PATHINFO_EXTENSION) ?: 'bin';
        $key = 'temp/'.Str::uuid().'.'.$extension;

        $s3 = new S3Client([
            'region' => config('filesystems.disks.s3.region'),
            'endpoint' => config('filesystems.disks.s3.endpoint'),
            'use_path_style_endpoint' => config('filesystems.disks.s3.use_path_style_endpoint'),
            'credentials' => [
                'key' => config('filesystems.disks.s3.key'),
                'secret' => config('filesystems.disks.s3.secret'),
            ],
        ]);

        $command = $s3->getCommand('PutObject', [
            'Bucket' => config('filesystems.disks.s3.bucket'),
            'Key' => $key,
            'ContentType' => $validated['mime_type'],
        ]);

        $presignedUrl = (string) $s3->createPresignedRequest($command, '+15 minutes')->getUri();

        return response()->json([
            'key' => $key,
            'url' => $presignedUrl,
            'expires_at' => now()->addMinutes(15)->toISOString(),
        ]);
    }
}