<?php

namespace App\Actions\Dealer;

use App\Models\Dealer;
use App\Models\DealerManageSubsidyLog;

class CalculateManageSubsidiesOfCurrentPeriod
{
    /**
     * @param \App\Models\Dealer $dealer
     * @return string
     */
    public function handle(Dealer $dealer): string
    {
        $tz = now();

        if ($tz->day >= 20) {
            $startAt = $tz->copy()->setDay(20)->startOfDay();
        } elseif ($tz->day >= 5) {
            $startAt = $tz->copy()->setDay(5)->startOfDay();
        } else {
            $startAt = $tz->copy()->subMonthNoOverflow()->setDay(20)->startOfDay();
        }

        $total = DealerManageSubsidyLog::where('order_completed_at', '>=', $startAt)->where('user_id', $dealer->user_id)->sum('total_amount');

        return bcmul($total, '1', 2);
    }
}