package com.cyksj.service.recharge.impl;

import cn.hutool.core.date.DateTime;
import cn.hutool.core.date.DateUtil;
import cn.hutool.core.util.StrUtil;
import cn.hutool.http.HttpRequest;
import cn.hutool.http.HttpResponse;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.cyksj.common.exception.BusinessRuntimeException;
import com.cyksj.common.task.GlobalThreadPoolTaskExecutor;
import com.cyksj.common.util.Jsons;
import com.cyksj.mapper.*;
import com.cyksj.model.entity.*;
import com.cyksj.model.response.recharge.RedeemCloudCdkQueryResponse;
import com.cyksj.model.response.recharge.RedeemCloudTaskResultResponse;
import com.cyksj.redis.RedisService;
import com.cyksj.server.recharge.dto.TaskResult;
import com.cyksj.service.chatgpt.GptUserRechargeRecordService;
import com.cyksj.service.recharge.GptRechargeCardKeyChannelService;
import com.cyksj.service.recharge.RedeemCloudRechargeService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.Date;

@Service
@RequiredArgsConstructor
@Slf4j
public class RedeemCloudRechargeServiceImpl implements RedeemCloudRechargeService {

    private final GptRechargeCardKeyChannelService gptRechargeCardKeyChannelService;

    private final GroupsRelationMapper relationMapper;

    private final GroupsMapper groupsMapper;

    private final GoodsDonSkuMapper skuMapper;

    private final RedisService redisService;

    private final OrderDonMapper orderDonMapper;

    private final GptRechargeCardKeyMapper gptRechargeCardKeyMapper;

    private final GptUserRechargeRecordService gptUserRechargeRecordService;

    private static final GlobalThreadPoolTaskExecutor TASK_EXECUTOR = GlobalThreadPoolTaskExecutor.getInstance();

    private static final int SUCCESS_CODE = 200;

    private static final int LEGACY_SUCCESS_CODE = 10000;

    @Override
    public RedeemCloudCdkQueryResponse validateCardKey(String cardKey) throws Exception {
        String baseUrl = gptRechargeCardKeyChannelService.getCardKeyDomain(cardKey);
        String url = baseUrl + "/sys-cdk/query?cdkCode=" + encode(cardKey);

        HttpResponse response = HttpRequest.get(url)
                .setConnectionTimeout(10000)
                .execute();
        String body = response.body();
        log.info("redeemcloud validate card key response: {}", body);
        return Jsons.parseObject(body, RedeemCloudCdkQueryResponse.class);
    }

    @Override
    public String confirmRecharge(GroupsRelation relation, String gptCardKey, CmsUser cmsUser) {
        Long relationId = relation.getId();
        String rechargePayload = relation.getGptToken();
        String rechargeAccount = relation.getAccount();
        String taskId;
        try {
            taskId = submitTask(gptCardKey, rechargePayload);
        } catch (Exception e) {
            setRechargeRelationStatusAutoError(relation);
            if (cmsUser == null) {
                throw BusinessRuntimeException.getInstance("充值失败，请联系客服开通");
            }
            throw BusinessRuntimeException.getInstance("充值失败，{0}", e.getMessage());
        }

        String operator = cmsUser != null ? cmsUser.getNickname() : null;
        String password = relation.getPassword();
        relationMapper.update(null, Wrappers.lambdaUpdate(GroupsRelation.class)
                .set(GroupsRelation::getAccount, rechargeAccount)
                .set(GroupsRelation::getOperator, operator)
                .set(StrUtil.isNotBlank(password), GroupsRelation::getPassword, password)
                .set(GroupsRelation::getRechargeStatus, GroupsRelation.RechargeStatus.recharging)
                .set(GroupsRelation::getCardKey, gptCardKey)
                .set(GroupsRelation::getGptToken, rechargePayload)
                .set(GroupsRelation::getGptTaskId, taskId)
                .eq(GroupsRelation::getId, relationId));
        relation.setRechargeStatus(GroupsRelation.RechargeStatus.recharging);
        relation.setCardKey(gptCardKey);
        relation.setOperator(operator);
        return taskId;
    }

    private String submitTask(String cardKey, String rechargePayload) {
        log.info("start submit redeemcloud task - cardKey: {}", cardKey);
        try {
            String baseUrl = gptRechargeCardKeyChannelService.getCardKeyDomain(cardKey);
            String requestBody = buildExchangeBody(baseUrl, cardKey, rechargePayload);
            String url = baseUrl + "/sys-cdk/exchange?cdkCode=" + encode(cardKey);

            HttpResponse response = addBrowserHeaders(HttpRequest.post(url)
                    .setConnectionTimeout(60000)
                    .header("content-type", "application/json"))
                    .body(requestBody)
                    .execute();
            String body = response.body();
            log.info("redeemcloud submit response: {}", body);

            JSONObject jsonResponse = JSONUtil.parseObj(body);
            Object data = jsonResponse.get("data");
            if (isSuccessResponse(jsonResponse) && data instanceof CharSequence && StrUtil.isNotBlank(data.toString())) {
                return data.toString();
            }
            if (data instanceof JSONObject) {
                JSONObject dataObj = (JSONObject) data;
                String status = dataObj.getStr("status");
                if ("FAILED".equalsIgnoreCase(status)) {
                    throw BusinessRuntimeException.getInstance(getErrorMessage(dataObj, jsonResponse));
                }
            }
            throw BusinessRuntimeException.getInstance(getErrorMessage(null, jsonResponse));
        } catch (Exception e) {
            log.error("submit redeemcloud task failed: {}", e.getMessage(), e);
            throw new RuntimeException("提交任务失败: " + e.getMessage(), e);
        }
    }

    private String buildExchangeBody(String baseUrl, String cardKey, String rechargePayload) throws Exception {
        if (StrUtil.isBlank(rechargePayload) || !StrUtil.startWith(rechargePayload.trim(), "{")) {
            throw BusinessRuntimeException.getInstance("redeemcloud提交任务需要完整session JSON");
        }
        JSONObject payload = JSONUtil.parseObj(rechargePayload);
        if (isExchangeBody(payload)) {
            return payload.toString();
        }
        return verifyAccount(baseUrl, cardKey, rechargePayload).toString();
    }

    private boolean isExchangeBody(JSONObject payload) {
        return payload.containsKey("cdkPackageName") && payload.containsKey("payload") && payload.containsKey("idp");
    }

    private JSONObject verifyAccount(String baseUrl, String cardKey, String content) {
        String url = baseUrl + "/account/verify?cdkCode=" + encode(cardKey) + "&content=" + encode(content);
        HttpResponse response = addBrowserHeaders(HttpRequest.post(url)
                .setConnectionTimeout(60000))
                .execute();
        String body = response.body();
        log.info("redeemcloud account verify response: {}", body);

        JSONObject jsonResponse = JSONUtil.parseObj(body);
        Object data = jsonResponse.get("data");
        if (isSuccessResponse(jsonResponse) && data instanceof JSONObject) {
            return (JSONObject) data;
        }
        throw BusinessRuntimeException.getInstance(getErrorMessage(data instanceof JSONObject ? (JSONObject) data : null, jsonResponse));
    }

    private HttpRequest addBrowserHeaders(HttpRequest request) {
        return request
                .header("accept", "*/*")
                .header("accept-language", "zh-CN")
                .header("origin", "https://redeemcloud.com")
                .header("referer", "https://redeemcloud.com/zh")
                .header("sec-ch-ua", "\"Not;A=Brand\";v=\"8\", \"Chromium\";v=\"150\", \"Microsoft Edge\";v=\"150\"")
                .header("sec-ch-ua-mobile", "?0")
                .header("sec-ch-ua-platform", "\"Windows\"")
                .header("sec-fetch-dest", "empty")
                .header("sec-fetch-mode", "cors")
                .header("sec-fetch-site", "same-origin")
                .header("user-agent", "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/150.0.0.0 Safari/537.36 Edg/150.0.0.0")
                .header("x-product-code", "GPT");
    }

    private boolean isSuccessResponse(JSONObject jsonResponse) {
        Integer code = jsonResponse.getInt("code");
        return code != null && (code == SUCCESS_CODE || code == LEGACY_SUCCESS_CODE) && !Boolean.FALSE.equals(jsonResponse.getBool("flag"));
    }

    private String encode(String value) {
        try {
            return URLEncoder.encode(value, StandardCharsets.UTF_8.name());
        } catch (UnsupportedEncodingException e) {
            throw new RuntimeException(e);
        }
    }

    @Override
    public TaskResult getTaskResult(GroupsRelation relation) {
        String cardKey = relation.getCardKey();
        String taskId = relation.getGptTaskId();
        try {
            RedeemCloudTaskResultResponse taskResultResponse = queryTaskResult(cardKey, taskId);
            TaskResult taskResult = convertTaskResult(taskResultResponse);
            resetGroupsRelationRechargeStatus(relation, taskResult.getStatus(), taskResult.getError());
            return taskResult;
        } catch (Exception e) {
            log.error("query redeemcloud task result failed: {}", e.getMessage(), e);
            throw new RuntimeException("获取任务结果失败: " + e.getMessage(), e);
        }
    }

    private RedeemCloudTaskResultResponse queryTaskResult(String cardKey, String taskId) throws Exception {
        String baseUrl = gptRechargeCardKeyChannelService.getCardKeyDomain(cardKey);
        String url = baseUrl + "/sys-cdk/exchange/result?taskId=" + encode(taskId);

        HttpResponse response = HttpRequest.get(url)
                .setConnectionTimeout(10000)
                .execute();
        String body = response.body();
        log.info("redeemcloud task result response: {}", body);
        return Jsons.parseObject(body, RedeemCloudTaskResultResponse.class);
    }

    private TaskResult convertTaskResult(RedeemCloudTaskResultResponse taskResultResponse) {
        TaskResult result = new TaskResult();
        if (taskResultResponse == null || taskResultResponse.getCode() == null || taskResultResponse.getCode() != SUCCESS_CODE) {
            result.setStatus("failed");
            result.setError(taskResultResponse != null ? taskResultResponse.getMessage() : "任务查询失败");
            return result;
        }
        if (taskResultResponse.getData() == null) {
            result.setStatus("recharging");
            result.setResult(taskResultResponse.getMessage());
            return result;
        }
        String status = taskResultResponse.getData().getStatus();
        if ("COMPLETED".equalsIgnoreCase(status)) {
            result.setStatus("completed");
        } else if ("FAILED".equalsIgnoreCase(status) || "ERROR".equalsIgnoreCase(status)) {
            result.setStatus("failed");
        } else {
            result.setStatus("recharging");
        }
        result.setResult(status);
        result.setError(taskResultResponse.getData().getErrorMessage());
        return result;
    }

    private String getErrorMessage(JSONObject data, JSONObject response) {
        if (data != null) {
            String error = data.getStr("error");
            if (StrUtil.isNotBlank(error)) {
                return error;
            }
            String errorMessage = data.getStr("errorMessage");
            if (StrUtil.isNotBlank(errorMessage)) {
                return errorMessage;
            }
            String result = data.getStr("result");
            if (StrUtil.isNotBlank(result)) {
                return result;
            }
        }
        String message = response.getStr("message");
        if (StrUtil.isBlank(message)) {
            message = response.getStr("msg");
        }
        return StrUtil.isNotBlank(message) ? message : "提交任务失败";
    }

    public void setRechargeRelationStatusAutoError(GroupsRelation relation) {
        TASK_EXECUTOR.execute(() -> relationMapper.update(null, Wrappers.lambdaUpdate(GroupsRelation.class)
                .set(GroupsRelation::getAccount, relation.getAccount())
                .set(GroupsRelation::getGptToken, relation.getGptToken())
                .set(GroupsRelation::getRechargeStatus, GroupsRelation.RechargeStatus.recharge_error)
                .eq(GroupsRelation::getId, relation.getId())));
    }

    private void resetGroupsRelationRechargeStatus(GroupsRelation relation, String status, String result) {
        if (!"completed".equals(status) && !"failed".equals(status) && !"unknown".equals(status)) {
            return;
        }
        relation = relationMapper.selectById(relation.getId());
        if (relation == null || relation.getRechargeStatus() != GroupsRelation.RechargeStatus.recharging) {
            return;
        }

        String taskId = relation.getGptTaskId();
        Integer rechargeRemainNum = relation.getRechargeRemainNum();
        GroupsRelation.RechargeStatus rechargeStatus = "completed".equals(status) ? GroupsRelation.RechargeStatus.complete : GroupsRelation.RechargeStatus.recharge_error;
        String cardKey = relation.getCardKey();
        GptRechargeCardKey gptRechargeCardKey = gptRechargeCardKeyMapper.selectOne(Wrappers.lambdaQuery(GptRechargeCardKey.class)
                .eq(GptRechargeCardKey::getCardKey, cardKey)
                .last("limit 1"));
        if (rechargeStatus == GroupsRelation.RechargeStatus.recharge_error && gptRechargeCardKey != null) {
            gptRechargeCardKeyMapper.update(null, Wrappers.lambdaUpdate(GptRechargeCardKey.class)
                    .set(GptRechargeCardKey::getStatus, Boolean.FALSE)
                    .set(GptRechargeCardKey::getOrderId, null)
                    .set(GptRechargeCardKey::getOrderNo, null)
                    .eq(GptRechargeCardKey::getId, gptRechargeCardKey.getId())
                    .eq(GptRechargeCardKey::getStatus, Boolean.TRUE));
        }
        if (rechargeStatus == GroupsRelation.RechargeStatus.recharge_error
                && !redisService.setNx(RedisService.key.GPT_RECHARGE_RECOVER_KEY.getName() + taskId, taskId, RedisService.key.GPT_RECHARGE_RECOVER_KEY.getTimeout())) {
            return;
        }

        Date startTime = relation.getStartTime();
        DateTime expiryTime = null;
        if (rechargeStatus == GroupsRelation.RechargeStatus.complete && startTime == null) {
            GroupsTrips groupsTrips = groupsMapper.selectById(relation.getGroupsId());
            if (groupsTrips != null) {
                startTime = DateTime.now();
                GoodsDonSku sku = skuMapper.selectById(groupsTrips.getSkuId());
                if (sku.getDays() != null && sku.getDays() > 0) {
                    expiryTime = DateUtil.offsetDay(startTime, sku.getDays());
                } else {
                    expiryTime = DateUtil.offsetMonth(startTime, sku.getMonths());
                }
            }
        }
        String rechargeErrorInfo = rechargeStatus == GroupsRelation.RechargeStatus.recharge_error ? result : null;
        int update = relationMapper.update(null, Wrappers.lambdaUpdate(GroupsRelation.class)
                .set(rechargeStatus == GroupsRelation.RechargeStatus.recharge_error, GroupsRelation::getRechargeRemainNum, rechargeRemainNum + 1)
                .set(GroupsRelation::getRechargeStatus, rechargeStatus)
                .set(expiryTime != null, GroupsRelation::getStartTime, startTime)
                .set(expiryTime != null, GroupsRelation::getExpiryTime, expiryTime)
                .set(StrUtil.isNotEmpty(rechargeErrorInfo), GroupsRelation::getRechargeErrorInfo, rechargeErrorInfo)
                .eq(GroupsRelation::getId, relation.getId())
                .le(GroupsRelation::getRechargeRemainNum, relation.getRechargeNum())
                .eq(GroupsRelation::getRechargeStatus, GroupsRelation.RechargeStatus.recharging));
        if (update == 0) {
            return;
        }
        if (rechargeStatus == GroupsRelation.RechargeStatus.complete) {
            String remark = StrUtil.isNotBlank(relation.getOperator()) ? "后台自动代充" : "自动代充";
            gptUserRechargeRecordService.recordGptUserRechargeNum(relation.getCardKey(), relation.getUserId(), relation.getId(), relation.getAccount(), -1, relation.getOperator(), remark);
            if (gptRechargeCardKey != null) {
                Long orderId = gptRechargeCardKey.getOrderId();
                OrderDon orderDon = orderDonMapper.selectById(orderId);
                if (orderDon != null && orderDon.getStatus() == OrderDon.Status.hasPayment) {
                    orderDon.setStatus(OrderDon.Status.complete);
                    orderDonMapper.updateById(orderDon);
                }
            }
        }
    }
}