<?php

namespace App\Http\Requests\Bo\Codes;

use App\Models\Code;
use Illuminate\Foundation\Http\FormRequest;
use Illuminate\Support\Facades\Gate;

class ExportCodesRequest extends FormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return boolean
     */
    public function authorize(): bool
    {
        return Gate::check('export', Code::class) and $this->json();
    }

    /**
     * Prepare the data for validation.
     *
     * @return void
     */
    protected function prepareForValidation(): void
    {
        $codesAvailableToExport = Code::query()->where('code_exported', false);
        /** @var integer|null */
        $lastExportedId = optional(Code::query()->where('code_exported', true)
            ->orderBy('id', 'desc')->first())->id ?? null;
        if ($lastExportedId) {
            $codesAvailableToExport = $codesAvailableToExport
                ->where('id', '>', $lastExportedId);
        }
        $this->merge([
            'available_export' => $codesAvailableToExport->count()
        ]);
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array<string,string>
     */
    public function rules(): array
    {
        return [
            'nb_code_tot' => 'required|integer|min:1|lte:available_export',
            'nb_code_fic' => 'required|integer|min:1',
            'nb_code_ligne' => 'required|integer|min:1',
            'available_export' => 'required|integer'
        ];
    }

    /**
     * Get custom attributes for validator errors.
     *
     * @return array<string,string>
     */
    public function attributes(): array
    {
        return [
            'nb_code_fic' => trans('nombre total de codes à exporter'),
            'nb_code_tot' => trans('nombre de codes par fichier'),
            'nb_code_ligne' => trans('nombre de codes par ligne'),
            'available_export' => trans('nombre de codes restant à exporté(s)')
        ];
    }
}