<?php

namespace App\Admin\Services\Train;

use App\Admin\Filters\TrianBookFilter;
use App\Models\Train\Book;
use App\Admin\Services\BaseService;
use Illuminate\Support\Str;
use Illuminate\Support\Facades\{Validator, Storage};

class BookService extends BaseService
{
    protected array $withRelationships = ['category'];

    protected string $modelName = Book::class;

    protected string $modelFilterName = TrianBookFilter::class;

    public function resloveData($data, $model = null)
    {
        if (isset($data['cover_image']) && $data['cover_image']) {
            $image = $data['cover_image'];
            $data['cover_image'] = $this->formatUrl($image);
        }
        if (isset($data['video']) && $data['video']) {
            $video = $data['video'];
            $data['video'] = $this->formatUrl($video);
        }
        if (isset($data['files']) && $data['files']) {
            $files = [];
            foreach ($data['files'] as $key => $value) {
                if (is_array($value)) {
                    $path = data_get($value, 'value');
                    $value['url'] = $this->formatUrl($path);
                    array_push($files, $value);
                } else {
                    array_push($files, [
                        'id' => $key + 1,
                        'name' => $value,
                        'url' => $this->formatUrl($value),
                        'state' => 'uploaded'
                    ]);
                }
            }
            $data['files'] = $files;
        }
        return $data;
    }

    protected function formatUrl($str)
    {
        return Str::startsWith($str, ['http://', 'https://']) ? $str : Storage::url($str);
    }

    public function validate($data, $model = null)
    {
        $createRules = [
            'title' => ['required'],
            'category_id' => ['required'],
            'type' => ['required'],
            'files' => ['array'],
        ];
        $updateRules = [
            'files' => ['array'],
        ];
        $validator = Validator::make($data, $model ? $updateRules : $createRules);
        if ($validator->fails()) {
            return $validator->errors()->first();
        }
        return true;
    }
}