<?php

namespace Modules\EcommerceFinance\Repositories;

use Illuminate\Database\ConnectionInterface;
use Illuminate\Database\DatabaseManager;

class VipshopJxBankPaymentRepository
{
    public const TABLE = 'vipshop_jx_bank_payments';

    private readonly ConnectionInterface $mirror;

    public function __construct(DatabaseManager $databases)
    {
        $this->mirror = $databases->connection(
            (string) config('upstream_mirrors.connection', 'business_mirror'),
        );
    }

    public function netBefore(string $period): ?float
    {
        if (! $this->available()) {
            return null;
        }

        return round((float) $this->mirror->table(self::TABLE)
            ->where('bill_period', '<', $period)
            ->sum('amount'), 2);
    }

    /** @return array{amount:float,count:int,latest_pay_date:?string} */
    public function forPeriod(string $period): array
    {
        if (! $this->available()) {
            return ['amount' => 0.0, 'count' => 0, 'latest_pay_date' => null];
        }

        $summary = $this->mirror->table(self::TABLE)
            ->where('bill_period', $period)
            ->selectRaw('COALESCE(SUM(amount), 0) AS amount, COUNT(*) AS rows_count, MAX(pay_date) AS latest_pay_date')
            ->first();

        return [
            'amount' => round((float) ($summary->amount ?? 0), 2),
            'count' => (int) ($summary->rows_count ?? 0),
            'latest_pay_date' => $summary->latest_pay_date ?? null,
        ];
    }

    private function available(): bool
    {
        return $this->mirror->getSchemaBuilder()->hasTable(self::TABLE);
    }
}