<?php

namespace App\Services;

use App\Models\Reservation;
use Carbon\Carbon;

class ReservationExpiryService
{
    /**
     * 将「活动日已过、仍为待核销、未核销」的预约标记为 expired（与未履约统计一致）。
     */
    public function expireStalePendingReservations(): int
    {
        $tz = (string) config('app.timezone');
        $today = Carbon::now($tz)->toDateString();

        $ids = Reservation::query()
            ->join('activity_days', 'activity_days.id', '=', 'reservations.activity_day_id')
            ->where('reservations.status', 'pending')
            ->whereNull('reservations.verified_at')
            ->whereNotNull('reservations.activity_day_id')
            ->whereDate('activity_days.activity_date', '<', $today)
            ->pluck('reservations.id');

        if ($ids->isEmpty()) {
            return 0;
        }

        return Reservation::query()->whereIn('id', $ids)->update([
            'status' => 'expired',
            'updated_at' => now(),
        ]);
    }
}