<?php

namespace App\Support;

use Carbon\Carbon;

/** 账期起止统一为日界（startOfDay / endOfDay），供聚合、流水、关账回填共用。 */
final class AgentSettlementPeriodWindow
{
    /**
     * @return array{0: Carbon, 1: Carbon}
     */
    public static function bounds(string $periodStart, string $periodEnd): array
    {
        return [
            Carbon::parse($periodStart)->startOfDay(),
            Carbon::parse($periodEnd)->endOfDay(),
        ];
    }

    /**
     * @return array{0: string, 1: string}
     */
    public static function boundStrings(string $periodStart, string $periodEnd): array
    {
        [$start, $end] = self::bounds($periodStart, $periodEnd);

        return [$start->toDateTimeString(), $end->toDateTimeString()];
    }
}