package com.ruoyi.analytics.service.impl;

import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;
import java.util.concurrent.ConcurrentHashMap;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import com.ruoyi.analytics.mapper.ReportAnalyticsMapper;
import com.ruoyi.analytics.service.IDataQueryService;
import com.ruoyi.common.exception.ServiceException;

/**
 * 数据查询和展示服务实现
 * 
 * 实现债权状态查询、历史记录查看、实时数据更新和用户个性化仪表板
 * 
 * @author ruoyi
 * @date 2025-12-19
 */
@Service
public class DataQueryServiceImpl implements IDataQueryService
{
    private static final Logger logger = LoggerFactory.getLogger(DataQueryServiceImpl.class);

    @Autowired
    private ReportAnalyticsMapper reportAnalyticsMapper;

    // 实时订阅管理
    private final Map<String, SubscriptionInfo> subscriptions = new ConcurrentHashMap<>();

    /**
     * 查询债权状态
     */
    @Override
    public Map<String, Object> queryCreditStatus(Long creditId)
    {
        logger.info("查询债权状态: creditId={}", creditId);
        
        try {
            Map<String, Object> result = new HashMap<>();
            
            // 模拟查询债权基本信息
            result.put("creditId", creditId);
            result.put("creditNumber", "CR" + creditId);
            result.put("creditStatus", "未结清");
            result.put("creditAmount", "1000000.00");
            result.put("issueDate", new Date());
            result.put("maturityDate", new Date(System.currentTimeMillis() + 365L * 24 * 60 * 60 * 1000));
            result.put("remainingDays", 300);
            result.put("riskLevel", "低风险");
            result.put("lastUpdateTime", new Date());
            
            // 查询关联合同信息
            Map<String, Object> contractInfo = new HashMap<>();
            contractInfo.put("contractId", creditId * 10);
            contractInfo.put("contractNumber", "CT" + (creditId * 10));
            contractInfo.put("contractStatus", "已确认");
            contractInfo.put("securityCompanyName", "安保公司" + creditId);
            contractInfo.put("clientCompanyName", "客户公司" + creditId);
            result.put("contractInfo", contractInfo);
            
            // 查询融资信息
            Map<String, Object> financingInfo = new HashMap<>();
            financingInfo.put("hasFinancing", true);
            financingInfo.put("financingAmount", "800000.00");
            financingInfo.put("interestRate", "6.5%");
            financingInfo.put("financialInstitution", "银行" + creditId);
            result.put("financingInfo", financingInfo);
            
            return result;
        } catch (Exception e) {
            logger.error("查询债权状态失败: creditId={}", creditId, e);
            throw new ServiceException("查询债权状态失败: " + e.getMessage());
        }
    }

    /**
     * 批量查询债权状态
     */
    @Override
    public List<Map<String, Object>> batchQueryCreditStatus(List<Long> creditIds)
    {
        logger.info("批量查询债权状态: creditIds={}", creditIds);
        
        try {
            List<Map<String, Object>> results = new ArrayList<>();
            
            for (Long creditId : creditIds) {
                Map<String, Object> creditStatus = queryCreditStatus(creditId);
                results.add(creditStatus);
            }
            
            return results;
        } catch (Exception e) {
            logger.error("批量查询债权状态失败", e);
            throw new ServiceException("批量查询债权状态失败: " + e.getMessage());
        }
    }

    /**
     * 查询债权历史记录
     */
    @Override
    public List<Map<String, Object>> queryCreditHistory(Long creditId, Date startDate, Date endDate)
    {
        logger.info("查询债权历史记录: creditId={}, startDate={}, endDate={}", creditId, startDate, endDate);
        
        try {
            List<Map<String, Object>> history = new ArrayList<>();
            
            // 模拟历史记录数据
            Map<String, Object> record1 = new HashMap<>();
            record1.put("recordId", 1L);
            record1.put("operationType", "创建");
            record1.put("operationTime", new Date(System.currentTimeMillis() - 30L * 24 * 60 * 60 * 1000));
            record1.put("operator", "系统");
            record1.put("description", "债权凭证创建");
            record1.put("beforeStatus", null);
            record1.put("afterStatus", "未结清");
            history.add(record1);
            
            Map<String, Object> record2 = new HashMap<>();
            record2.put("recordId", 2L);
            record2.put("operationType", "融资申请");
            record2.put("operationTime", new Date(System.currentTimeMillis() - 25L * 24 * 60 * 60 * 1000));
            record2.put("operator", "用户" + creditId);
            record2.put("description", "提交融资申请");
            record2.put("beforeStatus", "未结清");
            record2.put("afterStatus", "融资中");
            history.add(record2);
            
            Map<String, Object> record3 = new HashMap<>();
            record3.put("recordId", 3L);
            record3.put("operationType", "融资批准");
            record3.put("operationTime", new Date(System.currentTimeMillis() - 20L * 24 * 60 * 60 * 1000));
            record3.put("operator", "银行审批员");
            record3.put("description", "融资申请批准");
            record3.put("beforeStatus", "融资中");
            record3.put("afterStatus", "已融资");
            history.add(record3);
            
            return history;
        } catch (Exception e) {
            logger.error("查询债权历史记录失败: creditId={}", creditId, e);
            throw new ServiceException("查询债权历史记录失败: " + e.getMessage());
        }
    }

    /**
     * 查询合同状态
     */
    @Override
    public Map<String, Object> queryContractStatus(Long contractId)
    {
        logger.info("查询合同状态: contractId={}", contractId);
        
        try {
            Map<String, Object> result = new HashMap<>();
            
            result.put("contractId", contractId);
            result.put("contractNumber", "CT" + contractId);
            result.put("contractStatus", "已确认");
            result.put("contractType", "ONLINE");
            result.put("contractSource", "PLATFORM_CREATED");
            result.put("contractAmount", "1200000.00");
            result.put("startDate", new Date(System.currentTimeMillis() - 60L * 24 * 60 * 60 * 1000));
            result.put("endDate", new Date(System.currentTimeMillis() + 305L * 24 * 60 * 60 * 1000));
            result.put("paymentDueDate", new Date(System.currentTimeMillis() + 300L * 24 * 60 * 60 * 1000));
            result.put("signDate", new Date(System.currentTimeMillis() - 55L * 24 * 60 * 60 * 1000));
            result.put("lastUpdateTime", new Date());
            
            // 关联债权信息
            result.put("hasCreditGenerated", true);
            result.put("creditId", contractId / 10);
            result.put("creditNumber", "CR" + (contractId / 10));
            
            return result;
        } catch (Exception e) {
            logger.error("查询合同状态失败: contractId={}", contractId, e);
            throw new ServiceException("查询合同状态失败: " + e.getMessage());
        }
    }

    /**
     * 查询融资申请状态
     */
    @Override
    public Map<String, Object> queryFinancingApplicationStatus(Long applicationId)
    {
        logger.info("查询融资申请状态: applicationId={}", applicationId);
        
        try {
            Map<String, Object> result = new HashMap<>();
            
            result.put("applicationId", applicationId);
            result.put("applicationNumber", "FA" + applicationId);
            result.put("applicationStatus", "已批准");
            result.put("requestAmount", "800000.00");
            result.put("approvedAmount", "750000.00");
            result.put("interestRate", "6.5%");
            result.put("applicationDate", new Date(System.currentTimeMillis() - 25L * 24 * 60 * 60 * 1000));
            result.put("approvalDate", new Date(System.currentTimeMillis() - 20L * 24 * 60 * 60 * 1000));
            result.put("financialInstitution", "工商银行");
            result.put("approvalComments", "申请材料齐全，风险可控，批准融资");
            
            // 关联债权信息
            result.put("creditId", applicationId * 2);
            result.put("creditNumber", "CR" + (applicationId * 2));
            
            return result;
        } catch (Exception e) {
            logger.error("查询融资申请状态失败: applicationId={}", applicationId, e);
            throw new ServiceException("查询融资申请状态失败: " + e.getMessage());
        }
    }

    /**
     * 实时查询债权流转状态
     */
    @Override
    public Map<String, Object> queryRealTimeCreditFlow(Long creditId)
    {
        logger.info("实时查询债权流转状态: creditId={}", creditId);
        
        try {
            Map<String, Object> result = new HashMap<>();
            
            // 当前状态
            result.put("currentStatus", "已融资");
            result.put("lastUpdateTime", new Date());
            
            // 流转阶段
            List<Map<String, Object>> flowStages = new ArrayList<>();
            
            Map<String, Object> stage1 = new HashMap<>();
            stage1.put("stageName", "债权生成");
            stage1.put("stageStatus", "已完成");
            stage1.put("completeTime", new Date(System.currentTimeMillis() - 30L * 24 * 60 * 60 * 1000));
            stage1.put("description", "基于服务合同生成数字债权凭证");
            flowStages.add(stage1);
            
            Map<String, Object> stage2 = new HashMap<>();
            stage2.put("stageName", "融资申请");
            stage2.put("stageStatus", "已完成");
            stage2.put("completeTime", new Date(System.currentTimeMillis() - 25L * 24 * 60 * 60 * 1000));
            stage2.put("description", "向金融机构提交融资申请");
            flowStages.add(stage2);
            
            Map<String, Object> stage3 = new HashMap<>();
            stage3.put("stageName", "融资审批");
            stage3.put("stageStatus", "已完成");
            stage3.put("completeTime", new Date(System.currentTimeMillis() - 20L * 24 * 60 * 60 * 1000));
            stage3.put("description", "金融机构审批通过，资金到账");
            flowStages.add(stage3);
            
            Map<String, Object> stage4 = new HashMap<>();
            stage4.put("stageName", "等待还款");
            stage4.put("stageStatus", "进行中");
            stage4.put("completeTime", null);
            stage4.put("description", "等待甲方单位到期还款");
            stage4.put("expectedTime", new Date(System.currentTimeMillis() + 300L * 24 * 60 * 60 * 1000));
            flowStages.add(stage4);
            
            result.put("flowStages", flowStages);
            
            // 实时指标
            Map<String, Object> realTimeMetrics = new HashMap<>();
            realTimeMetrics.put("remainingDays", 300);
            realTimeMetrics.put("completionRate", "75%");
            realTimeMetrics.put("riskLevel", "低风险");
            realTimeMetrics.put("expectedReturn", "65000.00");
            result.put("realTimeMetrics", realTimeMetrics);
            
            return result;
        } catch (Exception e) {
            logger.error("实时查询债权流转状态失败: creditId={}", creditId, e);
            throw new ServiceException("实时查询债权流转状态失败: " + e.getMessage());
        }
    }

    /**
     * 查询用户相关的所有债权
     */
    @Override
    public Map<String, Object> queryUserCredits(Long userId, String status, Integer pageNum, Integer pageSize)
    {
        logger.info("查询用户债权: userId={}, status={}, pageNum={}, pageSize={}", userId, status, pageNum, pageSize);
        
        try {
            Map<String, Object> result = new HashMap<>();
            
            // 模拟分页数据
            List<Map<String, Object>> credits = new ArrayList<>();
            
            int start = (pageNum - 1) * pageSize;
            int end = Math.min(start + pageSize, 50); // 假设总共50条记录
            
            for (int i = start; i < end; i++) {
                Map<String, Object> credit = new HashMap<>();
                credit.put("creditId", (long) (i + 1));
                credit.put("creditNumber", "CR" + (i + 1));
                credit.put("creditStatus", i % 3 == 0 ? "已结清" : "未结清");
                credit.put("creditAmount", String.valueOf((i + 1) * 100000));
                credit.put("issueDate", new Date(System.currentTimeMillis() - (i + 1) * 24L * 60 * 60 * 1000));
                credit.put("maturityDate", new Date(System.currentTimeMillis() + (365 - i) * 24L * 60 * 60 * 1000));
                credit.put("contractNumber", "CT" + ((i + 1) * 10));
                credit.put("securityCompanyName", "安保公司" + (i + 1));
                
                if (status == null || status.equals(credit.get("creditStatus"))) {
                    credits.add(credit);
                }
            }
            
            result.put("credits", credits);
            result.put("total", 50L);
            result.put("pageNum", pageNum);
            result.put("pageSize", pageSize);
            result.put("pages", (50 + pageSize - 1) / pageSize);
            
            return result;
        } catch (Exception e) {
            logger.error("查询用户债权失败: userId={}", userId, e);
            throw new ServiceException("查询用户债权失败: " + e.getMessage());
        }
    }

    /**
     * 查询公司相关的债权统计
     */
    @Override
    public Map<String, Object> queryCompanyCreditStatistics(Long companyId, String companyType)
    {
        logger.info("查询公司债权统计: companyId={}, companyType={}", companyId, companyType);
        
        try {
            Map<String, Object> result = new HashMap<>();
            
            result.put("companyId", companyId);
            result.put("companyType", companyType);
            result.put("companyName", ("security".equals(companyType) ? "安保公司" : "客户公司") + companyId);
            
            // 统计数据
            Map<String, Object> statistics = new HashMap<>();
            statistics.put("totalCredits", 25L);
            statistics.put("totalAmount", "25000000.00");
            statistics.put("settledCredits", 15L);
            statistics.put("settledAmount", "15000000.00");
            statistics.put("unsettledCredits", 10L);
            statistics.put("unsettledAmount", "10000000.00");
            statistics.put("overdueCredits", 2L);
            statistics.put("overdueAmount", "2000000.00");
            statistics.put("averageAmount", "1000000.00");
            statistics.put("settlementRate", "60%");
            
            result.put("statistics", statistics);
            
            // 月度趋势
            List<Map<String, Object>> monthlyTrend = new ArrayList<>();
            for (int i = 0; i < 6; i++) {
                Map<String, Object> month = new HashMap<>();
                month.put("month", "2024-" + String.format("%02d", 7 + i));
                month.put("creditCount", 3 + i);
                month.put("creditAmount", String.valueOf((3 + i) * 1000000));
                monthlyTrend.add(month);
            }
            result.put("monthlyTrend", monthlyTrend);
            
            return result;
        } catch (Exception e) {
            logger.error("查询公司债权统计失败: companyId={}", companyId, e);
            throw new ServiceException("查询公司债权统计失败: " + e.getMessage());
        }
    }

    /**
     * 查询资金流转记录
     */
    @Override
    public List<Map<String, Object>> queryFundTransferRecords(Long accountId, Date startDate, Date endDate)
    {
        logger.info("查询资金流转记录: accountId={}, startDate={}, endDate={}", accountId, startDate, endDate);
        
        try {
            List<Map<String, Object>> records = new ArrayList<>();
            
            // 模拟资金流转记录
            for (int i = 0; i < 10; i++) {
                Map<String, Object> record = new HashMap<>();
                record.put("transferId", (long) (i + 1));
                record.put("transferNumber", "TF" + (i + 1));
                record.put("transferType", i % 2 == 0 ? "INCOME" : "EXPENSE");
                record.put("transferAmount", String.valueOf((i + 1) * 50000));
                record.put("transferTime", new Date(System.currentTimeMillis() - (i + 1) * 24L * 60 * 60 * 1000));
                record.put("fromAccount", "账户" + (accountId + i));
                record.put("toAccount", "账户" + (accountId + i + 1));
                record.put("description", "资金流转记录" + (i + 1));
                record.put("transferStatus", "已完成");
                record.put("blockchainTxHash", "0x" + UUID.randomUUID().toString().replace("-", ""));
                records.add(record);
            }
            
            return records;
        } catch (Exception e) {
            logger.error("查询资金流转记录失败: accountId={}", accountId, e);
            throw new ServiceException("查询资金流转记录失败: " + e.getMessage());
        }
    }

    /**
     * 查询系统概览数据
     */
    @Override
    public Map<String, Object> querySystemOverview(Long userId)
    {
        logger.info("查询系统概览数据: userId={}", userId);
        
        try {
            Map<String, Object> overview = new HashMap<>();
            
            // 总体统计
            Map<String, Object> totalStats = new HashMap<>();
            totalStats.put("totalContracts", 150L);
            totalStats.put("totalCredits", 120L);
            totalStats.put("totalAmount", "120000000.00");
            totalStats.put("settledAmount", "72000000.00");
            totalStats.put("pendingAmount", "48000000.00");
            overview.put("totalStats", totalStats);
            
            // 今日数据
            Map<String, Object> todayStats = new HashMap<>();
            todayStats.put("newContracts", 5L);
            todayStats.put("newCredits", 3L);
            todayStats.put("newFinancing", 2L);
            todayStats.put("completedPayments", 1L);
            overview.put("todayStats", todayStats);
            
            // 待处理事项
            List<Map<String, Object>> pendingItems = new ArrayList<>();
            
            Map<String, Object> item1 = new HashMap<>();
            item1.put("type", "CONTRACT_CONFIRMATION");
            item1.put("count", 8L);
            item1.put("description", "待确认合同");
            item1.put("urgency", "normal");
            pendingItems.add(item1);
            
            Map<String, Object> item2 = new HashMap<>();
            item2.put("type", "FINANCING_APPROVAL");
            item2.put("count", 3L);
            item2.put("description", "待审批融资申请");
            item2.put("urgency", "high");
            pendingItems.add(item2);
            
            Map<String, Object> item3 = new HashMap<>();
            item3.put("type", "PAYMENT_DUE");
            item3.put("count", 12L);
            item3.put("description", "即将到期付款");
            item3.put("urgency", "medium");
            pendingItems.add(item3);
            
            overview.put("pendingItems", pendingItems);
            
            // 风险预警
            List<Map<String, Object>> riskAlerts = new ArrayList<>();
            
            Map<String, Object> alert1 = new HashMap<>();
            alert1.put("alertType", "OVERDUE_PAYMENT");
            alert1.put("count", 2L);
            alert1.put("description", "逾期付款");
            alert1.put("severity", "high");
            riskAlerts.add(alert1);
            
            Map<String, Object> alert2 = new HashMap<>();
            alert2.put("alertType", "HIGH_RISK_CREDIT");
            alert2.put("count", 5L);
            alert2.put("description", "高风险债权");
            alert2.put("severity", "medium");
            riskAlerts.add(alert2);
            
            overview.put("riskAlerts", riskAlerts);
            
            overview.put("lastUpdateTime", new Date());
            
            return overview;
        } catch (Exception e) {
            logger.error("查询系统概览数据失败: userId={}", userId, e);
            throw new ServiceException("查询系统概览数据失败: " + e.getMessage());
        }
    }

    /**
     * 搜索债权信息
     */
    @Override
    public List<Map<String, Object>> searchCredits(String keyword, String searchType, Map<String, Object> filters)
    {
        logger.info("搜索债权信息: keyword={}, searchType={}, filters={}", keyword, searchType, filters);
        
        try {
            List<Map<String, Object>> results = new ArrayList<>();
            
            // 模拟搜索结果
            for (int i = 1; i <= 5; i++) {
                Map<String, Object> credit = new HashMap<>();
                credit.put("creditId", (long) i);
                credit.put("creditNumber", "CR" + i);
                credit.put("creditStatus", i % 2 == 0 ? "已结清" : "未结清");
                credit.put("creditAmount", String.valueOf(i * 1000000));
                credit.put("contractNumber", "CT" + (i * 10));
                credit.put("securityCompanyName", "安保公司" + i);
                credit.put("clientCompanyName", "客户公司" + i);
                credit.put("issueDate", new Date(System.currentTimeMillis() - i * 24L * 60 * 60 * 1000));
                credit.put("matchScore", 0.9 - i * 0.1); // 匹配度
                credit.put("highlightFields", new String[]{"creditNumber", "contractNumber"}); // 高亮字段
                
                // 根据搜索类型和关键词过滤
                boolean matches = false;
                switch (searchType) {
                    case "creditNumber":
                        matches = ("CR" + i).contains(keyword);
                        break;
                    case "contractNumber":
                        matches = ("CT" + (i * 10)).contains(keyword);
                        break;
                    case "companyName":
                        matches = ("安保公司" + i).contains(keyword) || ("客户公司" + i).contains(keyword);
                        break;
                    default:
                        matches = true; // 全文搜索
                }
                
                if (matches) {
                    results.add(credit);
                }
            }
            
            return results;
        } catch (Exception e) {
            logger.error("搜索债权信息失败: keyword={}", keyword, e);
            throw new ServiceException("搜索债权信息失败: " + e.getMessage());
        }
    }

    /**
     * 获取实时通知数据
     */
    @Override
    public List<Map<String, Object>> getRealTimeNotifications(Long userId, String notificationType)
    {
        logger.info("获取实时通知数据: userId={}, notificationType={}", userId, notificationType);
        
        try {
            List<Map<String, Object>> notifications = new ArrayList<>();
            
            // 模拟实时通知
            Map<String, Object> notification1 = new HashMap<>();
            notification1.put("notificationId", 1L);
            notification1.put("type", "CONTRACT_CONFIRMED");
            notification1.put("title", "合同确认通知");
            notification1.put("message", "合同CT123已被甲方确认");
            notification1.put("createTime", new Date());
            notification1.put("isRead", false);
            notification1.put("priority", "normal");
            notification1.put("relatedEntityType", "CONTRACT");
            notification1.put("relatedEntityId", 123L);
            notifications.add(notification1);
            
            Map<String, Object> notification2 = new HashMap<>();
            notification2.put("notificationId", 2L);
            notification2.put("type", "PAYMENT_DUE");
            notification2.put("title", "付款到期提醒");
            notification2.put("message", "债权CR456将在3天后到期");
            notification2.put("createTime", new Date(System.currentTimeMillis() - 60000));
            notification2.put("isRead", false);
            notification2.put("priority", "high");
            notification2.put("relatedEntityType", "CREDIT");
            notification2.put("relatedEntityId", 456L);
            notifications.add(notification2);
            
            Map<String, Object> notification3 = new HashMap<>();
            notification3.put("notificationId", 3L);
            notification3.put("type", "FINANCING_APPROVED");
            notification3.put("title", "融资审批通过");
            notification3.put("message", "融资申请FA789已审批通过");
            notification3.put("createTime", new Date(System.currentTimeMillis() - 120000));
            notification3.put("isRead", true);
            notification3.put("priority", "normal");
            notification3.put("relatedEntityType", "FINANCING");
            notification3.put("relatedEntityId", 789L);
            notifications.add(notification3);
            
            // 根据通知类型过滤
            if (notificationType != null && !notificationType.isEmpty()) {
                notifications = notifications.stream()
                    .filter(n -> notificationType.equals(n.get("type")))
                    .collect(java.util.stream.Collectors.toList());
            }
            
            return notifications;
        } catch (Exception e) {
            logger.error("获取实时通知数据失败: userId={}", userId, e);
            throw new ServiceException("获取实时通知数据失败: " + e.getMessage());
        }
    }

    /**
     * 订阅实时数据更新
     */
    @Override
    public String subscribeRealTimeUpdates(Long userId, String dataType, String callback)
    {
        logger.info("订阅实时数据更新: userId={}, dataType={}, callback={}", userId, dataType, callback);
        
        try {
            String subscriptionId = UUID.randomUUID().toString();
            
            SubscriptionInfo subscription = new SubscriptionInfo();
            subscription.userId = userId;
            subscription.dataType = dataType;
            subscription.callback = callback;
            subscription.createTime = new Date();
            subscription.isActive = true;
            
            subscriptions.put(subscriptionId, subscription);
            
            logger.info("实时数据订阅成功: subscriptionId={}", subscriptionId);
            return subscriptionId;
        } catch (Exception e) {
            logger.error("订阅实时数据更新失败: userId={}", userId, e);
            throw new ServiceException("订阅实时数据更新失败: " + e.getMessage());
        }
    }

    /**
     * 取消实时数据订阅
     */
    @Override
    public boolean unsubscribeRealTimeUpdates(String subscriptionId)
    {
        logger.info("取消实时数据订阅: subscriptionId={}", subscriptionId);
        
        try {
            SubscriptionInfo subscription = subscriptions.get(subscriptionId);
            if (subscription != null) {
                subscription.isActive = false;
                subscriptions.remove(subscriptionId);
                logger.info("实时数据订阅取消成功: subscriptionId={}", subscriptionId);
                return true;
            } else {
                logger.warn("订阅不存在: subscriptionId={}", subscriptionId);
                return false;
            }
        } catch (Exception e) {
            logger.error("取消实时数据订阅失败: subscriptionId={}", subscriptionId, e);
            throw new ServiceException("取消实时数据订阅失败: " + e.getMessage());
        }
    }

    /**
     * 获取个性化仪表板配置
     */
    @Override
    public Map<String, Object> getPersonalizedDashboard(Long userId)
    {
        logger.info("获取个性化仪表板配置: userId={}", userId);
        
        try {
            Map<String, Object> dashboard = new HashMap<>();
            
            dashboard.put("userId", userId);
            dashboard.put("dashboardName", "我的仪表板");
            dashboard.put("layout", "grid");
            dashboard.put("theme", "light");
            dashboard.put("autoRefresh", true);
            dashboard.put("refreshInterval", 30); // 秒
            
            // 组件配置
            List<Map<String, Object>> widgets = new ArrayList<>();
            
            Map<String, Object> widget1 = new HashMap<>();
            widget1.put("widgetId", "credit-summary");
            widget1.put("widgetType", "SUMMARY_CARD");
            widget1.put("title", "债权概览");
            Map<String, Object> position1 = new HashMap<>();
            position1.put("x", 0);
            position1.put("y", 0);
            position1.put("width", 4);
            position1.put("height", 2);
            widget1.put("position", position1);
            Map<String, Object> config1 = new HashMap<>();
            config1.put("showTrend", true);
            config1.put("showPercentage", true);
            widget1.put("config", config1);
            widgets.add(widget1);
            
            Map<String, Object> widget2 = new HashMap<>();
            widget2.put("widgetId", "recent-activities");
            widget2.put("widgetType", "ACTIVITY_LIST");
            widget2.put("title", "最近活动");
            Map<String, Object> position2 = new HashMap<>();
            position2.put("x", 4);
            position2.put("y", 0);
            position2.put("width", 4);
            position2.put("height", 4);
            widget2.put("position", position2);
            Map<String, Object> config2 = new HashMap<>();
            config2.put("maxItems", 10);
            config2.put("showTime", true);
            widget2.put("config", config2);
            widgets.add(widget2);
            
            Map<String, Object> widget3 = new HashMap<>();
            widget3.put("widgetId", "risk-chart");
            widget3.put("widgetType", "PIE_CHART");
            widget3.put("title", "风险分布");
            Map<String, Object> position3 = new HashMap<>();
            position3.put("x", 0);
            position3.put("y", 2);
            position3.put("width", 4);
            position3.put("height", 2);
            widget3.put("position", position3);
            Map<String, Object> config3 = new HashMap<>();
            config3.put("showLegend", true);
            config3.put("showLabels", true);
            widget3.put("config", config3);
            widgets.add(widget3);
            
            dashboard.put("widgets", widgets);
            dashboard.put("lastModified", new Date());
            
            return dashboard;
        } catch (Exception e) {
            logger.error("获取个性化仪表板配置失败: userId={}", userId, e);
            throw new ServiceException("获取个性化仪表板配置失败: " + e.getMessage());
        }
    }

    /**
     * 保存个性化仪表板配置
     */
    @Override
    public boolean savePersonalizedDashboard(Long userId, Map<String, Object> dashboardConfig)
    {
        logger.info("保存个性化仪表板配置: userId={}", userId);
        
        try {
            // 这里应该保存到数据库，现在只是模拟
            logger.info("仪表板配置保存成功: userId={}, config={}", userId, dashboardConfig);
            return true;
        } catch (Exception e) {
            logger.error("保存个性化仪表板配置失败: userId={}", userId, e);
            throw new ServiceException("保存个性化仪表板配置失败: " + e.getMessage());
        }
    }

    // 其他方法的简化实现

    @Override
    public List<Map<String, Object>> queryDataChangeLog(String entityType, Long entityId, Date startDate, Date endDate)
    {
        // 简化实现
        return new ArrayList<>();
    }

    @Override
    public Map<String, Object> getDataStatisticsSummary(String statisticsType, String timeRange)
    {
        // 简化实现
        return new HashMap<>();
    }

    @Override
    public List<Map<String, Object>> queryAlerts(Long userId, String alertType, String severity)
    {
        // 简化实现
        return new ArrayList<>();
    }

    @Override
    public boolean markAlertAsRead(Long alertId, Long userId)
    {
        // 简化实现
        return true;
    }

    /**
     * 订阅信息内部类
     */
    private static class SubscriptionInfo {
        Long userId;
        String dataType;
        String callback;
        Date createTime;
        boolean isActive;
    }
}