<?php

namespace DishPlanner\Schedule\Actions;

use App\Models\Planner;
use App\Models\Schedule;
use App\Models\ScheduledUserDish;
use App\Models\User;
use DishPlanner\ScheduledUserDish\Actions\CreateScheduledUserDishAction;
use DishPlanner\ScheduledUserDish\Repositories\ScheduledUserDishRepository;
use DishPlanner\UserDish\Repositories\UserDishRepository;

class RegenerateScheduleDayForUserAction
{
    public function execute(Planner $planner, Schedule $schedule, User $user, bool $overwrite = false): ScheduledUserDish
    {
        $scheduledUserDish = resolve(ScheduledUserDishRepository::class)->findForScheduleAndUser($schedule, $user);

        $fixedUserDish = resolve(UserDishRepository::class)->findForUserByFixedRecurrenceOnDay($user, $schedule->date->dayOfWeek);

        /** @var CreateScheduledUserDishAction $createAction */
        $createAction = resolve(CreateScheduledUserDishAction::class);

        if (is_null($scheduledUserDish)) {
            return $createAction->execute(
                planner: $planner,
                schedule: $schedule,
                userDish: $fixedUserDish ?? $user->userDishes->random(),
            );
        }

        if (!$overwrite && $scheduledUserDish->userDish) {
            return $scheduledUserDish;
        }

        if ($fixedUserDish && $scheduledUserDish->user_dish_id === $fixedUserDish->id) {
            return $scheduledUserDish;
        }

        $scheduledUserDish->delete();

        return $createAction->execute(
            planner: $planner,
            schedule: $schedule,
            userDish: $fixedUserDish ?? $user->userDishes->random(),
        );
    }
}