package com.panzhihua.common.utlis;

import java.math.BigDecimal;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;

import com.panzhihua.common.utlis.wx.WXPayUtil;
import org.json.XML;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.panzhihua.common.constants.PayCpmstant;

import lombok.extern.slf4j.Slf4j;

@Slf4j
public class WxPayUtils {

    public static String getUnifiedorder(String appid, String mchId, String payKey, String notifyUrl, String body,
        String openid, String outTradeNo, BigDecimal money,String attach) {
        String nonceStr = PayUtil.makeUUID(32);
        SortedMap<Object, Object> params = new TreeMap<>();
        params.put("appid", appid);
        params.put("body", body);
        params.put("mch_id", mchId);
        params.put("nonce_str", nonceStr);
        params.put("notify_url", notifyUrl);
        params.put("openid", openid);
        //附加数据
        if(StringUtils.isNotEmpty(attach)){
            params.put("attach", attach);
        }
        params.put("out_trade_no", outTradeNo);// 商品订单号
        params.put("spbill_create_ip", PayUtil.getLocalIp());// 服务部署的ip
        params.put("total_fee", PayUtil.moneyToIntegerStr(money));// 费用的参数转型
        params.put("trade_type", "JSAPI");// 对接类型
        params.put("sign", PayUtil.createSign(PayCpmstant.DEFAULT_ENCODING, params, payKey));// MD5签名
        // 转换成xml
        String xmlData = PayUtil.getRequestXml(params);
        // 请求微信后台，获取支付id
        String resXml = HttpClientUtil.httpsRequest(PayCpmstant.UNIFIEDORDER_URL, xmlData);
        log.info("请求微信支付返回参数：" + resXml);

        org.json.JSONObject resultData = XML.toJSONObject(resXml);
        JSONObject data = JSON.parseObject(resultData.get("xml").toString());
        JSONObject result = new JSONObject();
        if (data.get("return_msg").equals(PayCpmstant.RETURN_MSG)
            && data.get("return_code").equals(PayCpmstant.RETURN_CODE)) {
            // 将微信统一下单成功的参数拼接再签名
            // 统一下单返回prepay_id
            String prepayId = "prepay_id=" + data.getString("prepay_id");
            // 时间戳
            Long timeStamp = System.currentTimeMillis() / 1000;
            // 封装需要签名的字段
            SortedMap<Object, Object> payParams = new TreeMap<>();
            payParams.put("appId", appid);
            payParams.put("nonceStr", nonceStr);
            payParams.put("package", prepayId);
            payParams.put("signType", PayCpmstant.SIGN_TYPE);
            payParams.put("timeStamp", timeStamp);
            // 将参数以及签名计算完成封装返回给前端
            result.put("timeStamp", timeStamp);
            result.put("nonceStr", nonceStr);
            result.put("package", prepayId);
            result.put("signType", PayCpmstant.SIGN_TYPE);
            result.put("paySign", PayUtil.createSign(PayCpmstant.DEFAULT_ENCODING, payParams, payKey));
        }
        return result.toJSONString();
    }

    public static SortedMap<Object, Object> prepayId(Map<String, String> map) {
        SortedMap<Object, Object> parameters = new TreeMap<>();
        parameters.put("appId", "");
        parameters.put("timeStamp", PayUtil.create_timestamp());
        parameters.put("nonceStr", map.get("nonce_str"));
        parameters.put("package", "prepay_id=" + map.get("prepay_id"));
        parameters.put("signType", "MD5");
        String sign = PayUtil.createSign("UTF-8", parameters, "商户秘钥");
        parameters.put("prepay_id", "prepay_id=" + map.get("prepay_id"));
        parameters.put("paySign", sign);
        return parameters;
    }
    public static String h5pay(String appid, String mchId, String payKey, String notifyUrl, String body,
                               String openid, String outTradeNo, BigDecimal money, String tradeType, String clientIp) {
        String nonceStr = PayUtil.makeUUID(32);
        SortedMap<Object, Object> params = new TreeMap<>();
        params.put("appid", appid);
        params.put("body", body);
        params.put("mch_id", mchId);
        params.put("nonce_str", nonceStr);
        params.put("notify_url", notifyUrl);
        params.put("openid", openid);
        params.put("out_trade_no", outTradeNo);// 商品订单号
        params.put("spbill_create_ip", clientIp);// 用户真实ip
        params.put("total_fee", PayUtil.moneyToIntegerStr(money));// 费用的参数转型
        params.put("trade_type", tradeType);// 对接类型
        params.put("sign", PayUtil.createSign(PayCpmstant.DEFAULT_ENCODING, params, payKey));// MD5签名
        // 转换成xml
        String xmlData = PayUtil.getRequestXml(params);
        // 请求微信后台，获取支付id
        String resXml = HttpClientUtil.httpsRequest(PayCpmstant.UNIFIEDORDER_URL, xmlData);
        log.info("请求微信支付返回参数：" + resXml);

        org.json.JSONObject resultData = XML.toJSONObject(resXml);
        JSONObject data = JSON.parseObject(resultData.get("xml").toString());
        JSONObject result = new JSONObject();

            if (data.get("return_msg").equals(PayCpmstant.RETURN_MSG)
                    && data.get("return_code").equals(PayCpmstant.RETURN_CODE)) {
                // 将微信统一下单成功的参数拼接再签名
                // 统一下单返回prepay_id
                if(tradeType.equals("JSAPI")) {
                    String prepayId = "prepay_id=" + data.getString("prepay_id");
                    // 时间戳
                    Long timeStamp = System.currentTimeMillis() / 1000;
                    // 封装需要签名的字段
                    SortedMap<Object, Object> payParams = new TreeMap<>();
                    payParams.put("appId", appid);
                    payParams.put("nonceStr", nonceStr);
                    payParams.put("package", prepayId);
                    payParams.put("signType", PayCpmstant.SIGN_TYPE);
                    payParams.put("timeStamp", timeStamp);
                    // 将参数以及签名计算完成封装返回给前端
                    result.put("timeStamp", timeStamp);
                    result.put("nonceStr", nonceStr);
                    result.put("package", prepayId);
                    result.put("signType", PayCpmstant.SIGN_TYPE);
                    result.put("paySign", PayUtil.createSign(PayCpmstant.DEFAULT_ENCODING, payParams, payKey));
                }
                else if(tradeType.equals("NATIVE")) {
                    result.put("codeUrl",data.getString("code_url"));
                } else if(tradeType.equals("MWEB")) {
                    result.put("mWebUrl",data.getString("mweb_url"));
                }
            }



        return result.toJSONString();
    }

    public static String refund(String appid,String mchId,String orderNo,BigDecimal totalFee,BigDecimal refundFee,String refundNo,Boolean isTest) throws Exception {
        //创建请求地址
        String url = PayCpmstant.REFUND_URL;
        Map<String, String> paramMap = new LinkedHashMap<>();
        paramMap.put("appid",appid);
        paramMap.put("mch_id",mchId);
        paramMap.put("nonce_str", WXPayUtil.generateNonceStr());
        paramMap.put("out_refund_no",refundNo);
        paramMap.put("out_trade_no",orderNo);
        paramMap.put("refund_fee",String.valueOf(refundFee.multiply(BigDecimal.valueOf(100)).longValue()));
        paramMap.put("total_fee",String.valueOf(totalFee.multiply(BigDecimal.valueOf(100)).longValue()));
        paramMap.put("sign",WXPayUtil.generateSignature(paramMap,PayCpmstant.REFUND_KEY));
        log.info("微信退款请求参数：{},{},{},{}",url,WXPayUtil.mapToXml(paramMap),mchId,isTest);
        //接收请求返回值
        return HttpClientUtil.doRefund(url,WXPayUtil.mapToXml(paramMap),mchId,isTest);

    }
}