<?php

namespace App\Http\Requests\Api\Post;

use Illuminate\Foundation\Http\FormRequest;

class UpdatePostRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize()
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        $array = [
            'privacy'     => 'required',
            'images'    => 'array|required_without:description',
            'images.*'  => 'image|mimes:jpeg,png,jpg|max:15360',
            'description' => 'required_without:images',
            'category_id' => 'required|exists:categories,id',
            'removed_image_id' => 'array'
        ];
        
        if ($this->post->postImages()->exists()) {
            $array['description'] = 'nullable';
            $array['images'] = 'array';
        }

        return $array;
    }
}