<?php

namespace App\Http\Requests\Bo;

use App\Models\Brand;
use App\Models\Url;
use Carbon\Carbon;
use Illuminate\Foundation\Http\FormRequest;

class StatsRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return boolean
     */
    public function authorize()
    {
        return auth('backend')->check();
    }

    /**
     * Prepare the data for validation.
     *
     * @return void
     */
    protected function prepareForValidation()
    {
        $this->merge([
            // Reset brand and url if no value is selected.
            'url' => Url::find($this->url) ? $this->url : null,
            'brand' => Brand::find($this->brand) ? $this->brand : null,
            // End date can't be after today.
            'end' => Carbon::parse($this->end) > now() ? now()->toDateString() : $this->end,
        ]);
        if ($this->period === 'week') {
            $this->merge([
                'start' => Carbon::parse($this->start)->startOfWeek()->toDateString(),
                'end' => Carbon::parse($this->end)->endOfWeek()->toDateString(),
            ]);
        }
        if ($this->period === 'month') {
            $this->merge([
                'start' => Carbon::parse($this->start)->startOfMonth()->toDateString(),
                'end' => Carbon::parse($this->end)->endOfMonth()->toDateString(),
            ]);
        }
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules()
    {
        if (request()->post()) {
            return [
                'period' => 'required|string|in:day,week,month',
                'start' => 'required|date|date_format:Y-m-d|before_or_equal:today|after_or_equal:'
                    . Carbon::parse($this->end)->modify('-1 year'),
                'end' => 'required|date|date_format:Y-m-d|after_or_equal:start',
                'brand' => 'nullable|integer|exists:App\Models\Brand,id',
                'url' => 'nullable|integer|exists:App\Models\Url,id'
            ];
        }
        return [];
    }
}