<?php
declare(strict_types=1);

namespace addon\paycenter\library;

use think\facade\Db;

/**
 * 支付流水读写（wxapp_paycenter_trade）。
 *
 * 与业务订单的关系：插件只记录「这笔钱怎么收的」（渠道 / 场景 / 网关交易号 / 回调），
 * 业务订单（如 appmall_addon_orders）仍由业务自己持有，两边靠 trade_no 关联。
 * 这样插件卸载不会带走业务订单，业务换支付渠道也不用改自己的表。
 */
class TradeLog
{
    /** 下单留痕（幂等：同 trade_no 只写一次） */
    public static function record(array $order, string $channel, string $scene): void
    {
        Schema::ensure();

        $tradeNo = (string) ($order['trade_no'] ?? '');
        if ($tradeNo === '') {
            return;
        }
        $exists = self::find($tradeNo);
        if ($exists) {
            return;
        }
        try {
            Db::name('paycenter_trade')->insert([
                'trade_no'   => $tradeNo,
                'biz'        => (string) ($order['biz'] ?? ''),
                'biz_id'     => (int) ($order['biz_id'] ?? 0),
                'channel'    => $channel,
                'scene'      => $scene,
                'subject'    => mb_substr((string) ($order['subject'] ?? ''), 0, 200),
                'amount'     => (float) ($order['amount'] ?? 0),
                'status'     => 0,
                'attach'     => mb_substr((string) json_encode($order['attach'] ?? [], JSON_UNESCAPED_UNICODE), 0, 500),
                'create_at'  => time(),
                'update_at'  => time(),
            ]);
        } catch (\Throwable $e) {
            trace('[paycenter] 流水写入失败：' . $e->getMessage(), 'error');
        }
    }

    /**
     * 回调到达：流水不存在时按回调内容补建（业务未走插件下单 / 插件重装过）。
     */
    public static function touchNotify(array $data, string $channel): ?array
    {
        Schema::ensure();

        $tradeNo = (string) ($data['trade_no'] ?? '');
        if ($tradeNo === '') {
            return null;
        }
        $trade = self::find($tradeNo);
        if (!$trade) {
            try {
                Db::name('paycenter_trade')->insert([
                    'trade_no'  => $tradeNo,
                    'channel'   => $channel,
                    'amount'    => (float) ($data['amount'] ?? 0),
                    'gateway_no' => (string) ($data['gateway_no'] ?? ''),
                    'status'    => 0,
                    'notify_at' => time(),
                    'create_at' => time(),
                    'update_at' => time(),
                ]);
            } catch (\Throwable $e) {
                trace('[paycenter] 回调补建流水失败：' . $e->getMessage(), 'error');
            }

            return self::find($tradeNo);
        }

        try {
            Db::name('paycenter_trade')->where('trade_no', $tradeNo)->update([
                'notify_at' => time(),
                'update_at' => time(),
            ]);
        } catch (\Throwable) {
            // 更新失败不影响发货
        }

        return $trade;
    }

    /** 标记已支付，返回最新流水 */
    public static function markPaid(array $data): ?array
    {
        $tradeNo = (string) ($data['trade_no'] ?? '');
        if ($tradeNo === '') {
            return null;
        }
        try {
            Db::name('paycenter_trade')->where('trade_no', $tradeNo)->update([
                'status'     => 1,
                'gateway_no' => (string) ($data['gateway_no'] ?? ''),
                'pay_at'     => time(),
                'notify_at'  => time(),
                'update_at'  => time(),
            ]);
        } catch (\Throwable $e) {
            trace('[paycenter] 流水置已付失败：' . $e->getMessage(), 'error');
        }

        return self::find($tradeNo);
    }

    public static function markRefunded(string $tradeNo): void
    {
        try {
            Db::name('paycenter_trade')->where('trade_no', $tradeNo)->update([
                'status'    => 2,
                'update_at' => time(),
            ]);
        } catch (\Throwable) {
            // 忽略
        }
    }

    public static function find(string $tradeNo): ?array
    {
        if ($tradeNo === '') {
            return null;
        }
        try {
            $row = Db::name('paycenter_trade')->where('trade_no', $tradeNo)->find();
        } catch (\Throwable) {
            return null;
        }

        return $row ? (array) $row : null;
    }
}