<?php

namespace App\Http\Requests;

use App\Models\User;
use App\Services\StudentRegistrationDraftService;
use Illuminate\Support\Facades\Auth;
use Illuminate\Validation\Rule;
use Illuminate\Validation\Validator;

class StoreStudentRequest extends StudentRequest
{
    private ?array $registrationDraft = null;

    protected function prepareForValidation(): void
    {
        $token = $this->input('registration_draft_token');

        $user = Auth::user();

        if (is_string($token) && $user instanceof User) {
            $this->registrationDraft = app(StudentRegistrationDraftService::class)
                ->findOwnedDraft($user, $token);

            if ($this->registrationDraft !== null) {
                // Os dados validados do rascunho são a fonte oficial. Assim, o
                // payload final não consegue sobrescrevê-los sem nova validação.
                $this->merge($this->registrationDraft['data']);
            }
        }

        parent::prepareForValidation();
    }

    public function rules(): array
    {
        $rules = parent::rules();

        $rules['registration_draft_token'] = [
            'nullable',
            'uuid',
            Rule::requiredIf(fn (): bool => $this->studentIsMinor()),
        ];

        $rules['responsible'][]      = 'required_array_keys:name,birth_date,cpf,degree,email,phone,postal_code,street,neighborhood,city_id,state_id';
        $rules['responsible.email'] .= '|unique:student_responsibles,email';

        return $rules;
    }

    public function after(): array
    {
        return [
            function (Validator $validator): void {
                if ($this->input('registration_draft_token') === null) {
                    return;
                }

                if (
                    !$validator->errors()->has('registration_draft_token')
                    && $this->registrationDraft === null
                ) {
                    $validator->errors()->add(
                        'registration_draft_token',
                        __('validation.registration_draft_invalid'),
                    );
                }
            },
        ];
    }
}