<?php

namespace App\Support;

use App\Models\AdminUser;
use Illuminate\Database\Query\Builder;

/** 代理账单按管理员可访问站点过滤。 */
final class AdminAgentSettlementScope
{
    public static function applyToPeriodsQuery(Builder $query, AdminUser $admin, string $periodsAlias = 'settlement_periods'): void
    {
        $siteIds = $admin->accessibleAdminSiteIds();
        if ($siteIds === null) {
            return;
        }

        if ($siteIds === []) {
            $query->whereRaw('0 = 1');

            return;
        }

        $query->whereIn($periodsAlias.'.admin_site_id', $siteIds);
    }

    public static function applyToBillsQuery(Builder $query, AdminUser $admin, string $billsAlias = 'settlement_bills'): void
    {
        $siteIds = $admin->accessibleAdminSiteIds();
        if ($siteIds === null) {
            return;
        }

        if ($siteIds === []) {
            $query->whereRaw('0 = 1');

            return;
        }

        $query->whereExists(function (Builder $sub) use ($siteIds, $billsAlias): void {
            $sub->selectRaw('1')
                ->from('settlement_periods')
                ->whereColumn('settlement_periods.id', $billsAlias.'.settlement_period_id')
                ->whereIn('settlement_periods.admin_site_id', $siteIds);
        });
    }

    public static function periodAccessible(AdminUser $admin, int $settlementPeriodId): bool
    {
        $siteIds = $admin->accessibleAdminSiteIds();
        if ($siteIds === null) {
            return true;
        }

        if ($siteIds === []) {
            return false;
        }

        return \Illuminate\Support\Facades\DB::table('settlement_periods')
            ->where('id', $settlementPeriodId)
            ->whereIn('admin_site_id', $siteIds)
            ->exists();
    }

    public static function siteAccessible(AdminUser $admin, int $adminSiteId): bool
    {
        $siteIds = $admin->accessibleAdminSiteIds();
        if ($siteIds === null) {
            return true;
        }

        return in_array($adminSiteId, $siteIds, true);
    }

    public static function billAccessible(AdminUser $admin, int $settlementBillId): bool
    {
        $siteIds = $admin->accessibleAdminSiteIds();
        if ($siteIds === null) {
            return true;
        }

        if ($siteIds === []) {
            return false;
        }

        return \Illuminate\Support\Facades\DB::table('settlement_bills')
            ->join('settlement_periods', 'settlement_periods.id', '=', 'settlement_bills.settlement_period_id')
            ->where('settlement_bills.id', $settlementBillId)
            ->whereIn('settlement_periods.admin_site_id', $siteIds)
            ->exists();
    }
}