<?php

namespace addons\shopro\controller;

use addons\shopro\controller\Common;
use addons\shopro\library\ccblife\CcbPaymentService;
use addons\shopro\library\ccblife\CcbOrderService;
use app\admin\model\shopro\order\Order as OrderModel;
use think\Db;
use think\Exception;
use think\Log;

/**
 * 建行支付控制器
 *
 * 功能:
 * - 生成支付串
 * - 处理支付回调
 * - 验证支付结果
 *
 * @author Billy
 * @date 2025-01-16
 */
class Ccbpayment extends Common
{
    /**
     * 不需要登录的方法 (支付回调不需要登录)
     * @var array
     */
    protected $noNeedLogin = ['callback', 'notify'];

    /**
     * 不需要权限的方法
     * @var array
     */
    protected $noNeedRight = ['*'];

    /**
     * 支付服务
     * @var CcbPaymentService
     */
    private $paymentService;

    /**
     * 订单服务
     * @var CcbOrderService
     */
    private $orderService;

    /**
     * 初始化
     */
    public function _initialize()
    {
        parent::_initialize();

        $this->paymentService = new CcbPaymentService();
        $this->orderService = new CcbOrderService();
    }

    /**
     * 生成支付串
     *
     * @return void
     */
    public function createPayment()
    {
        try {
            // 1. 获取订单ID
            $orderId = $this->request->post('order_id', 0);

            if (empty($orderId)) {
                $this->error('订单ID不能为空');
            }

            // 2. 查询订单
            $order = OrderModel::where('id', $orderId)
                ->where('user_id', $this->auth->id)
                ->find();

            if (!$order) {
                $this->error('订单不存在');
            }

            // 3. 检查订单状态
            if ($order['status'] != 'unpaid') {
                $this->error('订单已支付或已关闭');
            }

            // 4. 生成支付串
            $result = $this->paymentService->generatePaymentString($orderId);

            if (!$result['status']) {
                $this->error('支付串生成失败: ' . $result['message']);
            }

            // 5. 保存支付流水号到订单
            $order->ccb_pay_flow_id = $result['data']['order_sn']; // 使用订单号作为流水号
            $order->save();

            // 6. 记录支付日志
            $this->savePaymentLog($order, $result['data']['payment_string'], $result['data']['order_sn']);

            // 7. 返回支付串
            $this->success('支付串生成成功', [
                'payment_string' => $result['data']['payment_string'],
                'payment_url' => $result['data']['payment_url'],
                'mac' => $result['data']['mac'],
                'order_id' => $order->id,
                'order_sn' => $order->order_sn,
                'pay_flow_id' => $result['data']['order_sn'],
                'amount' => $result['data']['amount'],
            ]);

        } catch (Exception $e) {
            Log::error('[建行支付] 生成支付串失败 order_id:' . ($orderId ?? 0) . ' error:' . $e->getMessage());

            $this->error('生成支付串失败: ' . $e->getMessage());
        }
    }

    /**
     * 支付回调 (前端调用)
     *
     * 说明:
     * 前端调起支付后,建行App会跳转回H5页面
     * H5页面需要调用此接口通知后端支付成功
     *
     * @return void
     */
    public function callback()
    {
        try {
            // 1. 获取参数
            $orderId = $this->request->post('order_id', 0);
            $transId = $this->request->post('trans_id', '');
            $payTime = $this->request->post('pay_time', '');

            if (empty($orderId)) {
                $this->error('订单ID不能为空');
            }

            // 2. 查询订单
            $order = OrderModel::where('id', $orderId)->find();

            if (!$order) {
                $this->error('订单不存在');
            }

            // 3. 检查订单状态
            if ($order['status'] == 'paid' || $order['status'] == 'completed') {
                $this->success('订单已支付', [
                    'order_id' => $order->id,
                    'order_sn' => $order->order_sn,
                    'status' => $order['status'],
                ]);
                return;
            }

            // 4. 验证支付结果 (调用建行查询接口)
            $verifyResult = $this->paymentService->verifyPayment($order->order_sn);

            if (!$verifyResult) {
                $this->error('支付验证失败,请稍后再试');
            }

            // 5. 更新订单状态
            Db::startTrans();
            try {
                $order->status = 'paid';
                $order->paid_time = time() * 1000; // Shopro使用毫秒时间戳
                $order->save();

                // 6. 推送订单状态到建行
                $this->pushOrderToCcb($order);

                // 7. 更新支付日志
                $this->updatePaymentLog($order->ccb_pay_flow_id, [
                    'status' => 1,
                    'pay_time' => time(),
                    'trans_id' => $transId,
                ]);

                Db::commit();

                Log::info('[建行支付] 支付成功 order_id:' . $order->id . ' order_sn:' . $order->order_sn . ' trans_id:' . $transId);

                $this->success('支付成功', [
                    'order_id' => $order->id,
                    'order_sn' => $order->order_sn,
                    'status' => 'paid',
                ]);

            } catch (Exception $e) {
                Db::rollback();
                throw $e;
            }

        } catch (Exception $e) {
            Log::error('[建行支付] 支付回调失败 order_id:' . ($orderId ?? 0) . ' error:' . $e->getMessage());

            $this->error('支付处理失败: ' . $e->getMessage());
        }
    }

    /**
     * 建行支付通知 (建行服务器回调)
     *
     * 说明:
     * 建行支付成功后,会向notify_url发送支付通知
     * 这是服务器到服务器的回调,需要验签
     *
     * @return void
     */
    public function notify()
    {
        try {
            // TODO: 实现建行支付通知处理逻辑
            // 1. 接收建行推送的支付结果
            // 2. 验签
            // 3. 更新订单状态
            // 4. 返回success给建行

            $this->success('SUCCESS');

        } catch (Exception $e) {
            Log::error('[建行通知] 处理失败 error:' . $e->getMessage());

            $this->error('FAIL');
        }
    }

    /**
     * 推送订单到建行
     *
     * @param object $order 订单对象
     * @return void
     */
    private function pushOrderToCcb($order)
    {
        // 获取订单商品列表
        $orderItems = Db::name('shopro_order_item')
            ->where('order_id', $order->id)
            ->field('goods_id, goods_sku_text, goods_title, goods_price, goods_num, discount_fee')
            ->select();

        $goodsList = [];
        foreach ($orderItems as $item) {
            $goodsList[] = [
                'goods_id' => $item['goods_id'],
                'goods_name' => $item['goods_title'],
                'goods_sku' => $item['goods_sku_text'],
                'goods_price' => $item['goods_price'],
                'goods_num' => $item['goods_num'],
                'discount_amount' => $item['discount_fee'] ?? 0
            ];
        }

        // 获取用户的建行用户ID
        $user = Db::name('user')->where('id', $order->user_id)->field('ccb_user_id')->find();

        // 构造订单数据 (使用Shopro实际字段名)
        $orderData = [
            'id' => $order->id,
            'order_sn' => $order->order_sn,
            'ccb_user_id' => $user['ccb_user_id'] ?? '',
            'total_amount' => $order->total_amount,      // 订单总金额
            'pay_amount' => $order->total_fee,           // 实际支付金额
            'discount_amount' => $order->discount_fee,   // 优惠金额
            'status' => $order->status,                  // Shopro使用status枚举
            'refund_status' => $order->aftersale_status ?? 0, // 售后状态
            'create_time' => $order->createtime,         // Shopro使用秒级时间戳
            'paid_time' => $order->paid_time,            // 支付时间
            'ccb_pay_flow_id' => $order->ccb_pay_flow_id,
            'goods_list' => $goodsList,
        ];

        // 推送到建行
        $result = $this->orderService->pushOrder($order->id);

        if (!$result['status']) {
            Log::warning('[建行推送] 订单推送失败 order_id:' . $order->id . ' error:' . ($result['message'] ?? ''));
        } else {
            // 更新同步状态
            $order->ccb_sync_status = 1;
            $order->ccb_sync_time = time();
            $order->save();

            Log::info('[建行推送] 订单推送成功 order_id:' . $order->id . ' order_sn:' . $order->order_sn);
        }
    }

    /**
     * 保存支付日志
     *
     * @param object $order 订单对象
     * @param string $paymentString 支付串
     * @param string $payFlowId 支付流水号
     * @return void
     */
    private function savePaymentLog($order, $paymentString, $payFlowId)
    {
        Db::name('ccb_payment_log')->insert([
            'order_id' => $order->id,
            'order_sn' => $order->order_sn,
            'pay_flow_id' => $payFlowId,
            'payment_string' => $paymentString,
            'user_id' => $order->user_id,
            'ccb_user_id' => $order->ccb_user_id,
            'amount' => $order->pay_amount,
            'status' => 0, // 待支付
            'create_time' => time(),
        ]);
    }

    /**
     * 更新支付日志
     *
     * @param string $payFlowId 支付流水号
     * @param array $data 更新数据
     * @return void
     */
    private function updatePaymentLog($payFlowId, $data)
    {
        Db::name('ccb_payment_log')
            ->where('pay_flow_id', $payFlowId)
            ->update($data);
    }
}