package com.ruoyi.web.controller.api;


import cn.hutool.http.HttpRequest;
import cn.hutool.http.HttpResponse;
import cn.hutool.http.HttpUtil;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.lkl.laop.sdk.exception.SDKException;
import com.ruoyi.common.core.domain.R;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.utils.DateUtils;
import com.ruoyi.common.utils.ip.IpUtils;
import com.ruoyi.framework.web.service.TokenService;
import com.ruoyi.system.model.TCrmSupplier;
import com.ruoyi.system.model.TErpProcurement;
import com.ruoyi.system.model.TErpProcurementGoods;
import com.ruoyi.system.query.TErpGoodsWarehouseQuery;
import com.ruoyi.system.service.*;
import com.ruoyi.web.core.config.LakalaConfig;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.SneakyThrows;
import org.apache.commons.codec.binary.Base64;
import org.apache.commons.io.IOUtils;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.poi.ss.formula.functions.T;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import javax.servlet.http.HttpServletRequest;
import javax.validation.Valid;
import java.io.*;
import java.math.BigDecimal;
import java.nio.charset.StandardCharsets;
import java.security.*;
import java.security.cert.*;
import java.security.spec.InvalidKeySpecException;
import java.security.spec.PKCS8EncodedKeySpec;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.stream.Collectors;

/**
 * <p>
 * 订单管理 前端控制器
 * </p>
 *
 * @author xiaochen
 * @since 2025-08-20
 */
@RestController
@RequestMapping("/t-sys-order")
@Api(tags = "订单管理")
public class TSysOrderController {

    private final TErpProcurementService erpProcurementService;
    private final TErpProcurementGoodsService erpProcurementGoodsService;
    private final TCrmSupplierService crmSupplierService;

    private final TokenService tokenService;


    @Autowired
    public TSysOrderController(TErpProcurementService erpProcurementService, TokenService tokenService, TErpProcurementGoodsService erpProcurementGoodsService, TCrmSupplierService crmSupplierService) {
        this.erpProcurementService = erpProcurementService;
        this.tokenService = tokenService;
        this.erpProcurementGoodsService = erpProcurementGoodsService;
        this.crmSupplierService = crmSupplierService;
    }

    private static final String SYMBOLS = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";

    /**
     * API schema ,固定 LKLAPI-SHA256withRSA
     */
    public final static String SCHEMA = "LKLAPI-SHA256withRSA";

    /**
     * 字符集固定 utf-8
     */
    public static final String ENCODING = "utf-8";


    private static final SecureRandom RANDOM = new SecureRandom();


    @ApiOperation(value = "支付")
    @PostMapping(value = "/payOrder")
    @SneakyThrows
    public R<?> payOrder(@RequestParam String id, String type, HttpServletRequest request) {
        SysUser user = tokenService.getLoginUser().getUser();
        try {

            // 查出采购单 算出价格  下单  算出应该分佣金额 应该分给谁
            TErpProcurement erpProcurement = erpProcurementService.getById(id);

            String ipAddr = IpUtils.getIpAddr(request);
            String time = DateUtils.dateTimeNow();

            // SYMBOLS 随机取4位数
            String nonce = "";
            for (int i = 0; i < 6; i++) {
                nonce += SYMBOLS.charAt(RANDOM.nextInt(SYMBOLS.length()));
            }
            String outTradeNo = time + nonce;
            String amount = String.valueOf(erpProcurement.getPayMoney().multiply(new BigDecimal("100")).intValue());


            String apiPath = "sit/api/v3/labs/trans/preorder";
            String body = "{\n" +
                    "\t\"req_time\": \"" + time + "\",\n" +
                    "\t\"version\": \"3.0\",\n" +
                    "\t\"req_data\": {\n" +
                    "\t\t\"out_trade_no\": \"" + outTradeNo + "\",\n" +
                    "\t\t\"merchant_no\": \"822290059430BFA\",\n" +
                    "\t\t\"term_no\": \"D9261078\",\n" +
                    "\t\t\"notify_url\": \"http://221.182.45.100:8089/t-sys-order/messageHandle\",\n" +
                    "\t\t\"location_info\": {\n" +
                    "\t\t\t\"request_ip\": \"" + ipAddr + "\"\n" +
                    "\t\t},\n" +
                    "\t\t\"subject\": \"商品采购\",\n" +
                    "\t\t\"settle_type\": \"1\",\n" +
                    "\t\t\"total_amount\": " + amount + ",\n" +
                    "\t\t\"account_type\": \"" + type + "\",\n" +
                    "\t\t\"trans_type\": \"41\"\n" +
                    "\t}\n" +
                    "}";
            String authorization = getAuthorization(body);
            org.apache.http.HttpResponse response = post(LakalaConfig.getServerUrl() + apiPath, body, authorization);
            if (response.getStatusLine().getStatusCode() != 200) {
                return R.fail(500, "请求失败，statusCode  " + response.getStatusLine()
                        + IOUtils.toString(response.getEntity().getContent(), ENCODING));
            }
            String responseStr = IOUtils.toString(response.getEntity().getContent(), ENCODING);


            erpProcurement.setPayNumber(outTradeNo);
            JSONObject jsonObject = JSONObject.parseObject(responseStr);
            JSONObject jsonObject1 = jsonObject.getJSONObject("resp_data");
            String code = jsonObject1.getString("log_no");
            erpProcurement.setPayTransactionId(code);
            erpProcurement.setStatus(2);
            erpProcurement.setTermNo("D9261078");
            erpProcurement.setAccountType(type);
            erpProcurement.setTransType("41");
            erpProcurementService.updateById(erpProcurement);

            return R.ok(responseStr);
        } catch (SDKException e) {
            e.printStackTrace();
        }
        return R.fail(500, "调用支付宝支付预下单接口错误");
    }


    public static void main(String[] args) {
        String a = "{\"code\":\"BBS00000\",\"msg\":\"成功\",\"resp_time\":\"20250916114506\",\"resp_data\":{\"merchant_no\":\"822290059430BFA\",\"out_trade_no\":\"202509161144582Kck\",\"trade_no\":\"2025091666200821320234\",\"log_no\":\"66200821320234\",\"settle_merchant_no\":\"\",\"settle_term_no\":\"\",\"trade_req_date\":\"20250916\",\"acc_resp_fields\":{\"code\":\"https://qr.alipay.com/bax01747cbtdjneesjaz0044\",\"code_image\":\"\",\"prepay_id\":\"\",\"app_id\":\"\",\"pay_sign\":\"\",\"time_stamp\":\"\",\"nonce_str\":\"\",\"package\":\"\",\"sign_type\":\"\",\"form_data\":\"\",\"redirect_url\":\"\",\"best_pay_info\":\"\",\"partner_id\":\"\",\"sub_mch_id\":\"2088240727800097\"}}}";

    }

    @RequestMapping("/messageHandle")
    @ApiOperation(value = "拉卡拉支付信息回调接口")
    public Object messageHandle(HttpServletRequest request) throws Exception {
        String body = this.getBody(request);
        String authorization = request.getHeader("Authorization");
        String timestamp = null;
        String nonce = null;
        String signature = null;
        authorization = authorization.replaceAll("LKLAPI-SHA256withRSA ", "");
        String[] split = authorization.split(",");
        for (String s : split) {
            if (s.startsWith("timestamp")) {
                timestamp = s.split("=")[1].replaceAll("\"", "");
            }
            if (s.startsWith("nonce")) {
                nonce = s.split("=")[1].replaceAll("\"", "");
            }
            if (s.startsWith("signature")) {
                // 取出签名
                signature = s.split("signature=")[1].replaceAll("\"", "");
            }
        }
        X509Certificate lklCertificate = loadCertificate(new FileInputStream(new File(LakalaConfig.getLklNotifyCerStr())));
        String preSignData = timestamp + "\n" + nonce + "\n" + body + "\n";
        boolean verify = verify(lklCertificate, preSignData.getBytes(ENCODING), signature);
        // 先处理支付完成  修改状态 后处理分账  后走分账回调
        JSONObject jsonObject1 = JSONObject.parseObject(body);
        Object o = jsonObject1.get("out_trade_no");
        TErpProcurement erpProcurement = erpProcurementService.getOne(new LambdaQueryWrapper<TErpProcurement>().eq(TErpProcurement::getPayNumber, o));
        if (verify && erpProcurement.getStatus()==2) {
            erpProcurement.setPayTime(LocalDateTime.now());
            erpProcurement.setStatus(3);
            erpProcurementService.updateById(erpProcurement);
            List<TErpProcurementGoods> list = erpProcurementGoodsService.list(new LambdaQueryWrapper<TErpProcurementGoods>().eq(TErpProcurementGoods::getProcurementId, erpProcurement.getId()));


            // 操作分账
            HttpRequest post = HttpUtil.createPost(LakalaConfig.getServerUrl() + "sit/api/v3/sacs/separate");
            HashMap<String, Object> map = new HashMap<>();
            map.put("merchant_no", "822290059430BFA");
            map.put("log_no", erpProcurement.getPayTransactionId());
            map.put("log_date", DateUtils.dateTime());
            map.put("notify_url", "http://221.182.45.100:8089/t-sys-order/messageSeparateHandle");
            String time = DateUtils.dateTimeNow();

            // SYMBOLS 随机取4位数
            String str = "";
            for (int i = 0; i < 6; i++) {
                str += SYMBOLS.charAt(RANDOM.nextInt(SYMBOLS.length()));
            }
            String outTradeNo = time + str;
            map.put("out_separate_no", outTradeNo);
            map.put("total_amt", erpProcurement.getPayMoney().multiply(BigDecimal.valueOf(100)).intValue() + "");
            // 平台应得分账
            BigDecimal payMoney = erpProcurement.getPayMoney();
            ArrayList<HashMap<String, Object>> objects = new ArrayList<>();
            // 根据供应商id分组
            Map<String, List<TErpProcurementGoods>> collect = list.stream().collect(Collectors.groupingBy(TErpProcurementGoods::getSupplierId));
            for (Map.Entry<String, List<TErpProcurementGoods>> entry : collect.entrySet()) {
                HashMap<String, Object> map1 = new HashMap<>();
                String supplierId = entry.getKey();
                TCrmSupplier supplier = crmSupplierService.getById(supplierId);
                List<TErpProcurementGoods> value = entry.getValue();
                BigDecimal reduce = value.stream().map(TErpProcurementGoods::getSupplierMoney).reduce(BigDecimal.ZERO, BigDecimal::add);
                payMoney = payMoney.subtract(reduce);
                map1.put("recv_merchant_no", supplier.getRecvMerchantNo());
                map1.put("separate_value", reduce.multiply(BigDecimal.valueOf(100)).intValue() + "");
                objects.add(map1);
            }

            // 添加平台的
            map.put("recv_datas", objects);
            String jsonString = JSON.toJSONString(map);
            post.body(jsonString);
            HttpResponse response = post.execute();
            String responseStr = response.body();
            JSONObject jsonObject = JSONObject.parseObject(responseStr);
            if ("成功".equals(jsonObject.getString("msg"))) {
                Object o1 = jsonObject.get("resp_data");
                JSONObject jsonObject2 = JSONObject.parseObject(o1.toString());
                String separate_no = jsonObject2.getString("separate_no");
                erpProcurement.setSeparateNo(separate_no);
                erpProcurementService.updateById(erpProcurement);
            }

            // 响应success
            JSONObject responseJsonObject = new JSONObject();
            responseJsonObject.put("code", "SUCCESS");
            responseJsonObject.put("message", "执行成功");
            return responseJsonObject;
        }
        return null;
    }

    @RequestMapping("/messageSeparateHandle")
    @ApiOperation(value = "拉卡拉分账信息回调接口")
    public Object messageSeparateHandle(HttpServletRequest request) throws Exception {
        String body = this.getBody(request);
        String authorization = request.getHeader("Authorization");
        String timestamp = null;
        String nonce = null;
        String signature = null;
        authorization = authorization.replaceAll("LKLAPI-SHA256withRSA ", "");
        String[] split = authorization.split(",");
        for (String s : split) {
            if (s.startsWith("timestamp")) {
                timestamp = s.split("=")[1].replaceAll("\"", "");
            }
            if (s.startsWith("nonce")) {
                nonce = s.split("=")[1].replaceAll("\"", "");
            }
            if (s.startsWith("signature")) {
                // 取出签名
                signature = s.split("signature=")[1].replaceAll("\"", "");
            }
        }
        X509Certificate lklCertificate = loadCertificate(new FileInputStream(new File(LakalaConfig.getLklNotifyCerStr())));
        String preSignData = timestamp + "\n" + nonce + "\n" + body + "\n";
        boolean verify = verify(lklCertificate, preSignData.getBytes(ENCODING), signature);
        // 先处理支付完成  修改状态 后处理分账  后走分账回调
        JSONObject jsonObject1 = JSONObject.parseObject(body);
        Object o = jsonObject1.get("out_trade_no");
        TErpProcurement erpProcurement = erpProcurementService.getOne(new LambdaQueryWrapper<TErpProcurement>().eq(TErpProcurement::getPayNumber, o));
        if (verify && erpProcurement.getStatus()==2) {
            erpProcurement.setPayTime(LocalDateTime.now());
            erpProcurement.setStatus(3);
            erpProcurementService.updateById(erpProcurement);

            List<TErpProcurementGoods> list = erpProcurementGoodsService.list(new LambdaQueryWrapper<TErpProcurementGoods>().eq(TErpProcurementGoods::getProcurementId, erpProcurement.getId()));
            // 操作分账
            HttpRequest post = HttpUtil.createPost(LakalaConfig.getServerUrl() + "sit/api/v3/sacs/separate");
            HashMap<String, Object> map = new HashMap<>();
            map.put("merchant_no", "822290059430BFA");
            map.put("log_no", erpProcurement.getPayTransactionId());
            map.put("log_date", DateUtils.dateTime());
            map.put("notify_url", DateUtils.dateTime());
            String time = DateUtils.dateTimeNow();

            // SYMBOLS 随机取4位数
            String str = "";
            for (int i = 0; i < 6; i++) {
                str += SYMBOLS.charAt(RANDOM.nextInt(SYMBOLS.length()));
            }
            String outTradeNo = time + str;
            map.put("out_separate_no", outTradeNo);
            map.put("total_amt", erpProcurement.getPayMoney().multiply(BigDecimal.valueOf(100)).intValue() + "");
            // 平台应得分账
            BigDecimal payMoney = erpProcurement.getPayMoney();
            ArrayList<HashMap<String, Object>> objects = new ArrayList<>();
            // 根据供应商id分组
            Map<String, List<TErpProcurementGoods>> collect = list.stream().collect(Collectors.groupingBy(TErpProcurementGoods::getSupplierId));
            for (Map.Entry<String, List<TErpProcurementGoods>> entry : collect.entrySet()) {
                HashMap<String, Object> map1 = new HashMap<>();
                String supplierId = entry.getKey();
                TCrmSupplier supplier = crmSupplierService.getById(supplierId);
                List<TErpProcurementGoods> value = entry.getValue();
                BigDecimal reduce = value.stream().map(TErpProcurementGoods::getSupplierMoney).reduce(BigDecimal.ZERO, BigDecimal::add);
                payMoney = payMoney.subtract(reduce);
                map1.put("recv_merchant_no", supplier.getRecvMerchantNo());
                map1.put("separate_value", reduce.multiply(BigDecimal.valueOf(100)).intValue() + "");
                objects.add(map1);
            }

            // 添加平台的
            map.put("recv_datas", objects);
            String jsonString = JSON.toJSONString(map);
            post.body(jsonString);
            HttpResponse response = post.execute();
            String responseStr = response.body();


            // 响应success
            JSONObject jsonObject = new JSONObject();
            jsonObject.put("code", "SUCCESS");
            jsonObject.put("message", "执行成功");
            return jsonObject;
        }
        return null;
    }


    public org.apache.http.HttpResponse post(String url, String message, String authorization) throws Exception {
        SSLContext ctx = SSLContext.getInstance("TLS");
        X509TrustManager tm = new X509TrustManager() {
            public X509Certificate[] getAcceptedIssuers() {
                return null;
            }

            public void checkClientTrusted(X509Certificate[] xcs, String str) {
            }

            public void checkServerTrusted(X509Certificate[] xcs, String str) {
            }
        };
        HttpClient http = new DefaultHttpClient();
        ClientConnectionManager ccm = http.getConnectionManager();
        ctx.init(null, new TrustManager[]{tm}, null);
        SSLSocketFactory ssf = new SSLSocketFactory(ctx);
        ssf.setHostnameVerifier(SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
        SchemeRegistry registry = ccm.getSchemeRegistry();
        registry.register(new Scheme("https", ssf, 443));
        HttpPost post = new HttpPost(url);
        StringEntity myEntity = new StringEntity(message, ENCODING);
        post.setEntity(myEntity);
        post.setHeader("Authorization", SCHEMA + " " + authorization);
        post.setHeader("Accept", "application/json");
        post.setHeader("Content-Type", "application/json");
        return http.execute(post);
    }

    public final String getAuthorization(String body) throws IOException {
        String nonceStr = generateNonceStr();
        long timestamp = generateTimestamp();

        String message = LakalaConfig.getAppId() + "\n" + LakalaConfig.getMerchantNo() + "\n" + timestamp + "\n" + nonceStr + "\n" + body + "\n";

        System.out.println("getToken message :  " + message);

        PrivateKey merchantPrivateKey = loadPrivateKey(new FileInputStream(new File(LakalaConfig.getPriKeyStr())));

        String signature = this.sign(message.getBytes(ENCODING), merchantPrivateKey);

        String authorization = "appid=\"" + LakalaConfig.getAppId() + "\"," + "serial_no=\"" + LakalaConfig.getMerchantNo() + "\"," + "timestamp=\""
                + timestamp + "\"," + "nonce_str=\"" + nonceStr + "\"," + "signature=\"" + signature + "\"";
        System.out.println("authorization message :" + authorization);

        return authorization;
    }

    public long generateTimestamp() {
        return System.currentTimeMillis() / 1000;
    }

    public String generateNonceStr() {
        char[] nonceChars = new char[32];
        for (int index = 0; index < nonceChars.length; ++index) {
            nonceChars[index] = SYMBOLS.charAt(RANDOM.nextInt(SYMBOLS.length()));
        }
        return new String(nonceChars);
    }

    public static PrivateKey loadPrivateKey(InputStream inputStream) {
        try {
            ByteArrayOutputStream array = new ByteArrayOutputStream();
            byte[] buffer = new byte[1024];
            int length;
            while ((length = inputStream.read(buffer)) != -1) {
                array.write(buffer, 0, length);
            }

            String privateKey = array.toString("utf-8").replace("-----BEGIN PRIVATE KEY-----", "")
                    .replace("-----END PRIVATE KEY-----", "").replaceAll("\\s+", "");
            KeyFactory kf = KeyFactory.getInstance("RSA");
            return kf.generatePrivate(new PKCS8EncodedKeySpec(Base64.decodeBase64(privateKey)));
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException("当前Java环境不支持RSA", e);
        } catch (InvalidKeySpecException e) {
            throw new RuntimeException("无效的密钥格式");
        } catch (IOException e) {
            throw new RuntimeException("无效的密钥");
        }
    }

    public String sign(byte[] message, PrivateKey privateKey) {
        try {
            Signature sign = Signature.getInstance("SHA256withRSA");
            sign.initSign(privateKey);
            sign.update(message);
            return new String(Base64.encodeBase64(sign.sign()));
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException("当前Java环境不支持SHA256withRSA", e);
        } catch (SignatureException e) {
            throw new RuntimeException("签名计算失败", e);
        } catch (InvalidKeyException e) {
            throw new RuntimeException("无效的私钥", e);
        }
    }


    public final String getBody(HttpServletRequest request) {
        InputStreamReader in = null;
        try {
            in = new InputStreamReader(request.getInputStream(), StandardCharsets.UTF_8);
            StringBuffer bf = new StringBuffer();
            int len;
            char[] chs = new char[1024];
            while ((len = in.read(chs)) != -1) {
                bf.append(new String(chs, 0, len));
            }
            return bf.toString();
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            if (null != in) {
                try {
                    in.close();
                } catch (Exception e) {
                }
            }
        }
        return null;
    }

    public static X509Certificate loadCertificate(InputStream inputStream) {
        try {
            CertificateFactory cf = CertificateFactory.getInstance("X509");
            X509Certificate cert = (X509Certificate) cf.generateCertificate(inputStream);

            cert.checkValidity();
            return cert;
        } catch (CertificateExpiredException e) {
            throw new RuntimeException("证书已过期", e);
        } catch (CertificateNotYetValidException e) {
            throw new RuntimeException("证书尚未生效", e);
        } catch (CertificateException e) {
            throw new RuntimeException("无效的证书", e);
        }
    }

    private static boolean verify(X509Certificate certificate, byte[] message, String signature) {
        try {
            Signature sign = Signature.getInstance("SHA256withRSA");
            sign.initVerify(certificate);
            sign.update(message);
            byte[] signatureB = Base64.decodeBase64(signature);
            return sign.verify(signatureB);
        } catch (NoSuchAlgorithmException e) {
            throw new RuntimeException("当前Java环境不支持SHA256withRSA", e);
        } catch (SignatureException e) {
            throw new RuntimeException("签名验证过程发生了错误", e);
        } catch (InvalidKeyException e) {
            throw new RuntimeException("无效的证书", e);
        }
    }


}