<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\File;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Storage;

class FileController extends Controller
{
    /**
     * make directory in Public Storage By Date
     *
     * @return string
     */
    protected function createDir(): string
    {
        $now = Verta();
        $path = preg_replace('/-/', '/', $now->formatDate());
        $disk = Storage::disk('public');

        if (! $disk->exists($path)) {
            $disk->makeDirectory($path);
            $disk->makeDirectory($path.'/thumb');
        }

        return $path;
    }

    public function store(Request $request)
    {
        $uploaded = $request->file('file');
        if (! $uploaded || ! $uploaded->isValid()) {
            return response()->json(['message' => 'فایل بارگذاری نشد یا خالی است'], 422);
        }
        if ($uploaded->getSize() < 1) {
            return response()->json(['message' => 'فایل خالی است'], 422);
        }

        $path = $this->createDir();
        $originalName = $uploaded->getClientOriginalName();
        $ext = $this->resolveUploadExtension($uploaded);
        $title = $request->input('title') ?: $originalName;
        $file_name_src = md5(time().$originalName);
        $file_name = $file_name_src.'.'.$ext;
        $stored = Storage::disk('public')->putFileAs($path, $uploaded, $file_name);
        if (! $stored || ! Storage::disk('public')->exists($stored)) {
            return response()->json(['message' => 'ذخیره فایل روی سرور ناموفق بود'], 500);
        }

        $relativePath = 'storage/'.$stored;
        $file_create = File::create([
            'original_name' => $originalName,
            'ext' => $ext,
            'title' => $title,
            'has_thumb' => false,
            'size' => $uploaded->getSize(),
            'src' => $relativePath,
            'user_id' => auth()->id(),
        ]);
        $fullSrc = File::publicUrl($relativePath);

        $payload = $file_create->fresh()->toArray();
        $payload['path'] = $relativePath;
        $payload['full_src'] = $fullSrc;
        $payload['src'] = $fullSrc;

        return response()->json($payload);
    }

    /**
     * پسوند واقعی فایل (MIME)، نه اسم اصلی مرورگر — آپلود بنر WebP است.
     */
    private function resolveUploadExtension(\Illuminate\Http\UploadedFile $uploaded): string
    {
        $mime = strtolower((string) ($uploaded->getMimeType() ?: $uploaded->getClientMimeType()));
        $fromMime = match (true) {
            str_contains($mime, 'webp') => 'webp',
            str_contains($mime, 'png') => 'png',
            str_contains($mime, 'jpeg'), str_contains($mime, 'jpg') => 'jpg',
            str_contains($mime, 'gif') => 'gif',
            str_contains($mime, 'svg') => 'svg',
            default => null,
        };
        if ($fromMime) {
            return $fromMime;
        }

        $client = strtolower((string) $uploaded->getClientOriginalExtension());
        if (in_array($client, ['webp', 'png', 'jpg', 'jpeg', 'gif', 'svg'], true)) {
            return $client === 'jpeg' ? 'jpg' : $client;
        }

        $guessed = strtolower((string) $uploaded->extension());
        if (in_array($guessed, ['webp', 'png', 'jpg', 'jpeg', 'gif', 'svg'], true)) {
            return $guessed === 'jpeg' ? 'jpg' : $guessed;
        }

        return 'jpg';
    }
}