<?php
namespace app\onlinechip\controller\traits;

use think\Db;
use think\Log;
use think\Request;

/**
 * AlinPay 越南支付 Trait
 * 仅包含代收（充值）相关方法
 * 代付回调在 Crypto.php 中处理
 */
trait alinPay
{
    /**
     * 越南代收 - 发起充值
     */
    public function alin_online_order()
    {
        // 兼容加密请求（Pcapi）和明文请求（Order）
        $post = Request::instance()->post();
        if (isset($post['encryptData'])) {
            $post = decrypt_data($post);
            if (!$post) {
                return json(['status' => 0, 'message' => '数据解密失败']);
            }
        }

        $user_id  = intval($post['user_id'] ?? 0);
        $money    = intval($post['price'] ?? 0);
        $client   = intval($post['client'] ?? 0);
        $username = trim($post['username'] ?? '');

        $user = Db::name('user')->where([
            'id'        => $user_id,
            'status'    => 1,
            'is_delete' => 0,
            'agent'     => 0,
        ])->find();

        if (!$user || $user_id <= 0 || $money <= 0 || $client <= 0) {
            return json(['status' => 0, 'message' => '参数错误，请稍后再试']);
        }

        // 判断地区支线权限
        $zdlIdArr  = explode(',', $user['agent_parent_id_path']);
        $area_list = config('area_list');

        if (!isset($area_list[$user['area_id']])) {
            return json(['status' => 0, 'message' => '所在地区暂不支持充值']);
        }

        $limitAgents = $area_list[$user['area_id']]['limit_agent'];
        $isAllow = empty($limitAgents);
        foreach ($limitAgents as $allowAgentId) {
            if (in_array($allowAgentId, $zdlIdArr)) {
                $isAllow = true;
            }
        }
        if (!$isAllow) {
            return json(['status' => 0, 'message' => '该账号暂不支持在线充值']);
        }

        // 验证总代理余额
        $zdlId = $zdlIdArr[0];
        $zdl   = Db::name('user')->where([
            'id'        => $zdlId,
            'status'    => 1,
            'is_delete' => 0,
            'agent'     => 1,
        ])->find();

        if (!$zdl) {
            return json(['status' => 0, 'message' => '所属代理账号异常，暂不能充值']);
        }
        if ($zdl['money'] < $money) {
            return json(['status' => 0, 'message' => '所属代理余额不足，暂不能充值']);
        }

        $pay_list    = config('pay_list');
        $pay_orderid = 'E' . date("YmdHis") . rand(100000, 999999);
        $notify_url  = $pay_list['alinPay']['notify_url'];

        try {
            $alinPay = new \pay\AlinPay();
            $result  = $alinPay->createOrder($pay_orderid, sprintf('%.2f', $money), $notify_url, 'uid:' . $user_id);

            // 空响应处理（curl失败/DNS/超时等）
            if (!is_array($result)) {
                addLogToFile('代收下单：API无响应或返回非JSON，result=' . var_export($result, true), 'alin_error', 'alin');
                $data = encrypt_data(['status' => 0, 'message' => '支付通道无响应，请稍后再试']);
                return json(array('Success' => 1, 'Data' => $data));
            }

            if (isset($result['code']) && $result['code'] == 200) {
                $returnUrl = $result['data']['url'] ?? '';

                if (!$returnUrl) {
                    $data = encrypt_data(['status' => 0, 'message' => '支付地址获取失败']);
                    return json(array('Success' => 1, 'Data' => $data));
                }

                // 记录订单
                $order_record = [
                    'pay_channel_id'   => 7,
                    'pay_channel_name' => 'alinPay',
                    'user_id'          => $user_id,
                    'order_sn'         => $pay_orderid,
                    'appid'            => $alinPay->getConfigInfo()['app_id'],
                    'api_key'          => '',
                    'money'            => $money,
                    'sign'             => '',
                    'create_time'      => time(),
                    'back_order_sn'    => '',
                    'client'           => $client,
                ];
                $order_id = Db::name('order_record')->insertGetId($order_record);

                // 记录日志
                Db::name('order_log')->insert([
                    'pay_channel_id'   => 7,
                    'pay_channel_name' => 'alinPay',
                    'money'            => $money,
                    'create_time'      => time(),
                    'remake'           => 'user_id:' . $user_id . ',用户名:' . $username . ',发起充值：' . $money . ',充值时间:' . date('Y-m-d H:i:s'),
                    'order_id'         => $order_id,
                    'client'           => $client,
                ]);

                $data = encrypt_data(['status' => 1, 'message' => '发起支付成功，即将跳转...', 'url' => $returnUrl]);
                return json(array('Success' => 1, 'Data' => $data));
            } else {
                $errMsg = isset($result['message']) ? $result['message'] : '未知错误(code=' . ($result['code'] ?? 'null') . ')';
                addLogToFile('代收下单失败：' . json_encode($result, JSON_UNESCAPED_UNICODE), 'alin_error', 'alin');
                $data = encrypt_data(['status' => 0, 'message' => '支付发起失败：' . $errMsg]);
                return json(array('Success' => 1, 'Data' => $data));
            }
        } catch (\Exception $e) {
            addLogToFile('代收下单异常：' . $e->getMessage() . ' | file:' . $e->getFile() . ':' . $e->getLine(), 'alin_error', 'alin');
            $data = encrypt_data(['status' => 0, 'message' => '支付发起失败[' . $e->getMessage() . ']']);
            return json(array('Success' => 1, 'Data' => $data));
        }
    }

    /**
     * 越南代收 - 回调处理
     */
    public function alin_recharge_callback()
    {
        $post = Request::instance()->post();
        $json = json_encode($post, JSON_UNESCAPED_UNICODE);

        addLogToFile('代收回调原始数据：' . $json, 'alin_callback', 'alin');

        if (!is_array($post) || empty($post['out_trade_no']) || empty($post['sign'])) {
            Log::record($post, 'alin_error_callback');
            exit('fail');
        }

        // 记录回调日志
        $logId = Db::name('pay_callback_log')->insertGetId([
            'pay_channel' => 'ALIN_RECHARGE',
            'type'        => 'recharge',
            'json'        => $json,
            'create_time' => date('Y-m-d H:i:s'),
        ]);

        try {
            $alinPay = new \pay\AlinPay();
            $result  = $alinPay->verifyRechargeCallback($post, $logId);

            if (!$result['verified']) {
                exit('fail');
            }

            $tradeStatus = $result['trade_status'];

            // trade_status: 1=成功, -1=处理中, 2=失败
            if ($tradeStatus === 1) {
                $this->alin_recharge_settle($post);
                exit('success');
            } elseif ($tradeStatus === 2) {
                // 失败，终态，确认收到
                addLogToFile('代收回调失败：order=' . $post['out_trade_no'], 'alin_callback', 'alin');
                exit('success');
            } else {
                // 处理中(-1)，不返回success让网关重试
                exit('fail');
            }
        } catch (\Exception $e) {
            addLogToFile('代收回调处理异常：' . $e->getMessage(), 'alin_callback_error', 'alin');
            exit('fail');
        }
    }

    /**
     * 代收成功后结算（事务保护：扣代理、写recharge表、加用户余额）
     */
    private function alin_recharge_settle($data)
    {
        $orderNo = $data['out_trade_no'];

        Db::startTrans();
        try {
            // 加锁读取订单，防止重复处理
            $order = Db::name('order_record')->where('order_sn', $orderNo)->lock(true)->find();
            if (!$order || $order['status'] == 3) {
                Db::rollback();
                return;
            }

            // 加锁读取用户
            $user = Db::name('user')->where([
                'id'        => $order['user_id'],
                'status'    => 1,
                'is_delete' => 0,
                'agent'     => 0,
            ])->lock(true)->find();
            if (!$user) {
                Db::rollback();
                return;
            }

            $zdlIdArr = explode(',', $user['agent_parent_id_path']);
            $zdlId    = $zdlIdArr[0];

            // 加锁读取总代理
            $zdl = Db::name('user')->where([
                'id'        => $zdlId,
                'status'    => 1,
                'is_delete' => 0,
                'agent'     => 1,
            ])->lock(true)->find();

            if (!$zdl || $zdl['money'] < $order['money']) {
                Db::rollback();
                addLogToFile('代收结算失败：代理余额不足 order=' . $orderNo, 'alin_callback_error', 'alin');
                return;
            }

            // 1. 更新订单状态为已完成
            Db::name('order_record')->where('id', $order['id'])->update([
                'back_money'            => $data['real_amount'] ?: $data['amount'],
                'back_time'             => time(),
                'status'                => 3,
                'agent_parent_id'       => $user['agent_parent_id'],
                'agent_parent_username' => $user['agent_parent_username'],
                'zdl_id'                => $zdl['id'],
                'zdl_username'          => $zdl['username'],
                'zdl_money_before'      => $zdl['money'],
                'zdl_money_after'       => $zdl['money'] - $order['money'],
                'money_before'          => $user['money'],
                'money_after'           => $user['money'] + $order['money'],
            ]);

            // 2. 记录日志
            Db::name('order_log')->insert([
                'pay_channel_id'   => 7,
                'pay_channel_name' => 'alinPay',
                'money'            => $order['money'],
                'create_time'      => time(),
                'remake'           => '回调支付成功',
                'order_id'         => $order['id'],
            ]);

            // 3. 写recharge流水表
            Db::name('recharge')->insert([
                'type'                 => 4,
                'amount'               => $order['money'],
                'mode'                 => 1,
                'agent_or_admin'       => 3,
                'controller_id'        => $zdl['id'],
                'controller_username'  => $zdl['username'],
                'controller_nickname'  => $zdl['nickname'],
                'controller_type'      => '越南第三方充值平台充值，扣取总代理余分',
                'controller_old_money' => $zdl['money'],
                'controller_new_money' => $zdl['money'] - $order['money'],
                'user_id'              => $order['user_id'],
                'user_type'            => $user['agent'],
                'user_agent_level'     => 0,
                'username_for'         => $user['username'],
                'nickname_for'         => $user['nickname'],
                'user_parent_id'       => $user['agent_parent_id'],
                'create_time'          => time(),
                'old_money'            => $user['money'],
                'new_money'            => $user['money'] + $order['money'],
                'controller_system'    => 3,
                'remake'               => '越南AlinPay第三方充值成功',
            ]);

            // 4. 扣代理余额
            Db::name('user')->where('id', $zdl['id'])->update([
                'money'                     => $zdl['money'] - $order['money'],
                'last_recharge_out'         => $order['money'],
                'last_recharge_out_time'    => time(),
                'recharge_out_count'        => $zdl['recharge_out_count'] + 1,
                'recharge_out_total_amount' => $zdl['recharge_out_total_amount'] + $order['money'],
            ]);

            // 5. 给用户加余额
            Db::name('user')->where('id', $order['user_id'])->update([
                'money'                 => $user['money'] + $order['money'],
                'last_recharge'         => $order['money'],
                'last_recharge_time'    => time(),
                'recharge_count'        => $user['recharge_count'] + 1,
                'recharge_total_amount' => $user['recharge_total_amount'] + $order['money'],
            ]);

            Db::commit();
            addLogToFile('代收结算成功：order=' . $orderNo . ' money=' . $order['money'], 'alin_callback', 'alin');
        } catch (\Exception $e) {
            Db::rollback();
            addLogToFile('代收结算异常：' . $e->getMessage(), 'alin_callback_error', 'alin');
        }
    }
}