<?php

namespace App\Services\BroadcastEmail;

use Illuminate\Http\UploadedFile;

class BroadcastEmailImageService
{
    private const MAX_SIZE_BYTES = 5242880;

    private array $allowedTypes = [
        'image/jpeg' => 'jpg',
        'image/png' => 'png',
        'image/gif' => 'gif',
        'image/webp' => 'webp',
    ];

    public function store(UploadedFile $file): array
    {
        if (! $file->isValid()) {
            return [
                'ok' => false,
                'status' => 400,
                'error' => 'Invalid upload',
            ];
        }

        $mime = strtolower((string) $file->getMimeType());
        if (! isset($this->allowedTypes[$mime])) {
            return [
                'ok' => false,
                'status' => 415,
                'error' => 'Unsupported image type',
            ];
        }

        if ($file->getSize() > self::MAX_SIZE_BYTES) {
            return [
                'ok' => false,
                'status' => 413,
                'error' => 'Image too large (max 5MB)',
            ];
        }

        $targetDir = public_path('uploads/email');
        if (! is_dir($targetDir)) {
            @mkdir($targetDir, 0755, true);
        }

        $ext = $this->allowedTypes[$mime];
        $newName = 'em_'.bin2hex(random_bytes(16)).'.'.$ext;
        $file->move($targetDir, $newName);

        return [
            'ok' => true,
            'url' => asset('uploads/email/'.$newName),
        ];
    }
}