<?php

namespace Modules\Product\Requests\Store;

use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Request;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Validation\Rule;
use Illuminate\Validation\ValidationException;
use Illuminate\Contracts\Validation\Validator;
use Illuminate\Http\Exceptions\HttpResponseException;
use Modules\Product\Enums\ProductStatusEnum;
use Modules\Product\Enums\ProductStatusSoldEnum;
use Modules\User\Enums\UserRoleEnum;

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

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        $statuses = ProductStatusEnum::values();
        $rules=[
            'category_id'=>[
                'required',
                Rule::exists('categories','id')->whereNull('deleted_at')
            ],
            'sub_category_id'=>[
                'required',
                Rule::exists('categories','id')->whereNotNull('category_id')->whereNull('deleted_at')
            ],
            'brand_id'=>[
                'required',
                Rule::exists('brands','id')->whereNull('deleted_at')
            ],
            'attribute_id'=>[
                'nullable',
                Rule::exists('attributes','id')->whereNull('deleted_at')
            ],
            'code'=>[
                'required',
                Rule::unique('products')->ignore($this->product? $this->product : 0, 'id')
            ],
            'image'=>
            [
                'required'
            ],
            'images'=>
            [
                'nullable',
                'array'
            ],
            'images.*'=>
            [
                'required'
            ],
            'discount_percentage'=>
            [
                'nullable',
                'numeric',
                'min:0',
                'max:100'
            ],
            'max_count_order'=>
            [
                'nullable',
                'numeric',
                'min:0'
            ]
        ];

        foreach (languages() as $lang)
        {
            $lang_rules=[
                'title_'.$lang->local=> 'required|max:100|min:3',
                'description_'.$lang->local=> 'required|min:3',
                'items.*.title_'.$lang->local=> 'required|max:100|min:3',
                'items.*.description_'.$lang->local=> 'required|max:100|min:3',
            ];
            $rules= array_merge($rules, $lang_rules);
        }
/*
        if (is_null(request('attribute_id')))
        {
            $rules['count'] =
            [
                'required',
                'numeric',
                'min:0'
            ];
            $rules['cost'] =
            [
                'required',
                'numeric',
                'min:0'
            ];
            $rules['discount_percentage'] =
            [
                'required',
                'numeric',
                'min:0',
                'max:100'
            ];
        }
*/

        return $rules;
    }

    /**
     * Get custom attributes for validator errors.
     *
     * @return array
     */
    public function attributes()
    {

        $attributes= [
            'status_active'=>__('products.status_active'),
            'category_id'=>__('products.category_id'),
            'sub_category_id'=>__('products.sub_category_id'),
            'code'=>__('products.code'),
            'attribute_id'=>__('products.attribute_id'),
            'store_id'=>__('products.store_id'),
            'brand_id'=>__('products.brand_id'),
            'cost_discount'=>__('products.cost_discount'),
            'discount_percentage'=>__('products.discount_percentage'),
        ];
        foreach (languages() as $lang) {
            $lang_attributes=[
                'title_'.$lang->local => $service->{'title_'.$lang->local} ?? __('products.title').' '.$lang->local,
                'description_'.$lang->local => $service->{'description_'.$lang->local} ?? __('products.description').' '.$lang->local,
            ];
            $attributes= array_merge($attributes, $lang_attributes);
        }

        if( !is_null( request('items') ) )
        {
            $i = 0;
            foreach(request('items') as $key=>$row)
            {
                foreach (languages() as $lang)
                {
                    $lang_attribute=[
                        'items.'.$key.'.title_'.$lang->local => __('products.title').' '. __('products.item') .' ' .$lang->local. ' ( '. ($i+1) . ' )',
                        'items.'.$key.'.description_'.$lang->local => __('products.description').' '. __('products.item') .' ' .$lang->local. ' ( '. ($i+1) . ' )',
                    ];
                    $attributes= array_merge($attributes, $lang_attribute);
                }

                ++$i;
            }
        }
        return $attributes;
    }

    /**
     * Handle a failed validation attempt.
     *
     * Override the parent method action if the request is for AJAX
     *
     * @param Validator $validator
     * @return void
     *
     * @throws ValidationException
     */
    protected function failedValidation(Validator $validator)
    {
        // Change response attitude if the request done via Ajax requests like API requests
        if(Request::wantsJson()){
            $errors = (new ValidationException($validator))->errors();
            throw new HttpResponseException(response()->json(['errors' => $errors], 422));
        } else {
            // Do the original action of the Form request class
            parent::failedValidation($validator);
        }
    }
}
