package com.mzl.flower.web.v2.pay;

import com.alipay.api.AlipayApiException;
import com.alipay.api.AlipayClient;
import com.alipay.api.domain.AlipayTradeAppPayModel;
import com.alipay.api.internal.util.AlipaySignature;
import com.alipay.api.request.AlipayTradeAppPayRequest;
import com.alipay.api.response.AlipayTradeAppPayResponse;
import com.github.binarywang.wxpay.bean.request.WxPayUnifiedOrderRequest;
import com.github.binarywang.wxpay.bean.result.WxPayUnifiedOrderResult;
import com.github.binarywang.wxpay.exception.WxPayException;
import com.github.binarywang.wxpay.service.WxPayService;
import com.mzl.flower.base.BaseController;
import com.mzl.flower.base.R;
import com.mzl.flower.config.pay.AlipayProperties;
import com.mzl.flower.dto.request.productOrders.ProductOrdersCreateDTO;
import com.mzl.flower.entity.productOrders.ProductOrdersDO;
import com.mzl.flower.enums.PayTypeEnum;
import com.mzl.flower.service.productOrders.ProductOrdersService;
import com.mzl.flower.utils.wechatpay.WxPayUtil;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.HttpServletRequest;
import java.util.*;


/**
 * @author taojie 20250321
 */
@RestController
@RequestMapping(value = "/v2/wechat")
@Api(tags = {"微信支付相关"})
public class WechatPayController extends BaseController {

    private Logger logger = LoggerFactory.getLogger(WechatPayController.class);

    @Autowired
    private WxPayService wxPayService;

    @Autowired
    private ProductOrdersService productOrdersService;

    /**
     * 获取订单支付请求参数
     * @param
     * @return
     * @throws Exception
     */
    @PostMapping(value = "/pay-order-info")
    @ApiOperation(value = "获取订单支付请求参数")
    public ResponseEntity getPayOrderInfo(@Validated @RequestBody ProductOrdersCreateDTO productOrdersCreateDTO) throws Exception {


        ProductOrdersDO productOrdersDTO=new ProductOrdersDO();
        BeanUtils.copyProperties(productOrdersCreateDTO,productOrdersDTO);
        productOrdersDTO.setPaymentMethod(PayTypeEnum.WECHAT.getName());
        ProductOrdersDO productOrdersDO=productOrdersService.createProductOrders(productOrdersDTO);

        // 1. 构建请求对象
//        WxPayUnifiedOrderRequest request = WxPayUnifiedOrderRequest.newBuilder()
//                .outTradeNo(productOrdersDO.getOrderNo())
//                .totalFee(productOrdersDO.getCurrentPrice().intValue()*100) // 单位：分，1元 = 100分
//                .body(productOrdersDO.getOrderType()+"_"+productOrdersDO.getCurrentPrice())
//                .spbillCreateIp("127.0.0.1")
//                .tradeType("APP")
//                .notifyUrl(wxPayService.getConfig().getNotifyUrl())
//                .build();

// 1. 构建请求对象
        WxPayUnifiedOrderRequest request = WxPayUnifiedOrderRequest.newBuilder()
                .outTradeNo("11111111111")
                .totalFee(1) // 单位：分，1元 = 100分
                .body("商品描述")
                .spbillCreateIp("127.0.0.1")
                .tradeType("APP")
                .notifyUrl(wxPayService.getConfig().getNotifyUrl())
                .build();
        
        try {
            // 2. 请求统一下单接口
            WxPayUnifiedOrderResult result = wxPayService.unifiedOrder(request);
            // 3. 构造给客户端的支付参数（Map 形式，客户端直接传给微信SDK）
            Map<String, String> appPayParams = createAppPayParams(result);
            return returnData(R.SUCCESS.getCode(), appPayParams);
        } catch (AlipayApiException e) {
            e.printStackTrace();
            logger.error(e.getMessage(), e);
            return returnData(R.RUNTIME_EXCEPTION.getCode(), "",e.getMessage());
        }
    }


    public Map<String, String> createAppPayParams(WxPayUnifiedOrderResult result) throws Exception {
        String prepayId = result.getPrepayId();  // 获取统一下单返回的prepay_id
        String nonceStr = WxPayUtil.generateNonceStr();  // 随机字符串
        long timestamp = System.currentTimeMillis() / 1000;  // 当前时间戳（秒）

        // 构建支付参数
        SortedMap<String, String> payParams = new TreeMap<>();
        payParams.put("appid", wxPayService.getConfig().getAppId());  // 微信公众号APPID
        payParams.put("partnerid", wxPayService.getConfig().getMchId());  // 商户号
        payParams.put("prepayid", prepayId);  // 统一下单接口返回的prepay_id
        payParams.put("package", "Sign=WXPay");  // 固定值
        payParams.put("noncestr", nonceStr);  // 随机字符串
        payParams.put("timestamp", String.valueOf(timestamp));  // 时间戳

        // 使用商户API密钥生成签名
        String sign = WxPayUtil.generateSignature(payParams, wxPayService.getConfig().getMchKey());
        payParams.put("sign", sign);  // 签名

        return payParams;
    }

    /**
     * 支付宝回调url
     * @param request
     * @return
     * @throws Exception
     */
    @PostMapping(value = "/notify")
    @ApiOperation(value = "微信回调url")
    public String notify(HttpServletRequest request) throws Exception{

        return null;
    }


}