<?php

namespace DishPlanner\Schedule\Actions;

use App\Models\Planner;
use App\Models\Schedule;
use App\Models\ScheduledUserDish;
use App\Models\User;
use Carbon\Carbon;
use Illuminate\Support\Facades\DB;

class RegenerateScheduleForDateForUsersAction
{
    public function execute(Planner $planner, Carbon $date, array $userIds): void
    {
        DB::transaction(function () use ($planner, $date, $userIds) {
            $schedule = Schedule::firstOrCreate(
                ['planner_id' => $planner->id, 'date' => $date->format('Y-m-d')],
                ['is_skipped' => false]
            );

            ScheduledUserDish::where('schedule_id', $schedule->id)
                ->whereIn('user_id', $userIds)
                ->delete();

            $users = User::with('userDishes.dish')
                ->whereIn('id', $userIds)
                ->where('planner_id', $planner->id)
                ->get();

            foreach ($users as $user) {
                if ($user->userDishes->isNotEmpty()) {
                    $randomUserDish = $user->userDishes->random();

                    ScheduledUserDish::create([
                        'schedule_id' => $schedule->id,
                        'user_id' => $user->id,
                        'user_dish_id' => $randomUserDish->id,
                        'is_skipped' => false,
                    ]);
                }
            }
        });
    }
}