<?php

namespace DishPlanner\UserDish\Actions;

use App\Models\WeeklyRecurrence;
use DishPlanner\UserDish\Exceptions\InvalidRecurrenceTypeException;
use DishPlanner\UserDish\Interfaces\RecurrenceInterface;
use Illuminate\Support\Arr;

class UpdateFixedRecurrenceAction
{
    /**
     * @throws InvalidRecurrenceTypeException
     */
    public function execute(RecurrenceInterface $recurrence, array $data): RecurrenceInterface
    {
        if (! $recurrence instanceof WeeklyRecurrence) {
            throw new InvalidRecurrenceTypeException();
        }

        $weekday = Arr::get($data, 'recurrence_data.weekday');

        if ($recurrence->weekday === $weekday) {
            return $recurrence;
        }

        $recurrence->weekday = $weekday;
        $recurrence->save();

        return $recurrence;
    }
}