package com.designhub.service;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.designhub.entity.*;
import com.designhub.mapper.*;
import com.designhub.vo.DemandStatisticsVO;
import com.designhub.vo.DesignerPerformanceVO;
import com.designhub.vo.ProcessEfficiencyVO;
import com.designhub.vo.WarningTaskVO;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;
import java.math.RoundingMode;
import java.time.Duration;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import java.time.temporal.TemporalAdjusters;
import java.util.*;
import java.util.stream.Collectors;

/**
 * 数据分析Service
 */
@Slf4j
@Service
@RequiredArgsConstructor
public class AnalyticsService {

    private final TaskMapper taskMapper;
    private final UserMapper userMapper;
    private final DepartmentMapper departmentMapper;
    private final TeamScorePoolMapper teamScorePoolMapper;
    private final TaskReviewMapper taskReviewMapper;
    private final RoleService roleService;
    private final DesignerTargetScoreMapper designerTargetScoreMapper;
    private final DemandTypeMapper demandTypeMapper;

    /**
     * 获取需求统计数据（根据角色返回不同维度的数据）
     * @param currentUserId 当前登录用户ID
     * @param dateRange 时间范围
     * @param deptId 部门ID（可选，用于管理员查看特定部门）
     * @param userId 用户ID（可选，用于管理员查看特定用户）
     * @param month 指定月份（可选，格式 yyyy-MM）
     */
    public DemandStatisticsVO getDemandStatistics(Long currentUserId, String dateRange, Long deptId, Long userId, String month) {
        // 获取当前用户角色和部门信息
        List<Role> roles = roleService.getRolesByUserId(currentUserId);
        User currentUser = userMapper.selectById(currentUserId);
        
        boolean isAdmin = roles.stream()
            .anyMatch(role -> "ADMIN".equals(role.getRoleCode()) || "SUPER_ADMIN".equals(role.getRoleCode()));
        
        // 检查 isAdmin 字段
        if (!isAdmin && currentUser != null && Integer.valueOf(1).equals(currentUser.getIsAdmin())) {
            isAdmin = true;
        }
        
        boolean isDeptHead = roles.stream()
            .anyMatch(role -> "DEMAND_DEPT_HEAD".equals(role.getRoleCode()) || 
                             "RECEIVING_DEPT_SUPERVISOR".equals(role.getRoleCode()));
        
        log.info("获取需求统计数据: currentUserId={}, isAdmin={}, isDeptHead={}, userDeptId={}, dateRange={}, deptId={}, userId={}, month={}", 
                 currentUserId, isAdmin, isDeptHead, currentUser != null ? currentUser.getDeptId() : null, dateRange, deptId, userId, month);
        
        // 计算时间范围
        LocalDateTime startTime;
        LocalDateTime endTime;
        
        // 如果指定了月份，则使用月份范围
        if (month != null && !month.isEmpty()) {
            try {
                LocalDate monthDate = LocalDate.parse(month + "-01", DateTimeFormatter.ofPattern("yyyy-MM-dd"));
                startTime = LocalDateTime.of(monthDate, LocalTime.MIN);
                endTime = LocalDateTime.of(monthDate.with(TemporalAdjusters.lastDayOfMonth()), LocalTime.MAX);
                log.info("使用指定月份范围: {} ~ {}", startTime, endTime);
            } catch (Exception e) {
                log.warn("月份格式错误: {}, 使用默认范围", month);
                startTime = calculateStartTime(dateRange);
                endTime = LocalDateTime.now();
            }
        } else {
            startTime = calculateStartTime(dateRange);
            endTime = LocalDateTime.now();
        }

        // 构建查询条件
        LambdaQueryWrapper<Task> queryWrapper = new LambdaQueryWrapper<Task>()
            .ge(startTime != null, Task::getCreateTime, startTime)
            .le(Task::getCreateTime, endTime);

        // 根据角色和参数决定查询范围
        if (isAdmin) {
            // 管理员：可以通过参数查看特定部门或用户的数据，否则查看所有数据
            if (deptId != null) {
                queryWrapper.eq(Task::getPublisherDeptId, deptId);
                log.info("管理员查看部门数据: deptId={}", deptId);
            } else if (userId != null) {
                queryWrapper.eq(Task::getPublisherId, userId);
                log.info("管理员查看用户数据: userId={}", userId);
            } else {
                log.info("管理员查看全部数据");
            }
        } else if (isDeptHead && currentUser != null && currentUser.getDeptId() != null) {
            // 部门负责人：查看本部门的所有任务
            queryWrapper.eq(Task::getPublisherDeptId, currentUser.getDeptId());
            log.info("部门负责人查看部门数据: deptId={}", currentUser.getDeptId());
        } else {
            // 普通用户：只能查看自己发布的任务
            queryWrapper.eq(Task::getPublisherId, currentUserId);
            log.info("普通用户查看个人数据: userId={}", currentUserId);
        }

        List<Task> tasks = taskMapper.selectList(queryWrapper);
        log.info("查询到任务数量: {}", tasks.size());

        return DemandStatisticsVO.builder()
            .userStats(buildUserStats(tasks))
            .deptStats(buildDeptStats(tasks))
            .trendData(buildTrendData(tasks, dateRange))
            .typeDistribution(buildTypeDistribution(tasks))
            .overview(buildOverview(tasks))
            .build();
    }

    /**
     * 构建用户维度统计
     */
    private List<DemandStatisticsVO.UserDemandStat> buildUserStats(List<Task> tasks) {
        Map<Long, List<Task>> tasksByUser = tasks.stream()
            .collect(Collectors.groupingBy(Task::getPublisherId));

        List<DemandStatisticsVO.UserDemandStat> stats = new ArrayList<>();

        for (Map.Entry<Long, List<Task>> entry : tasksByUser.entrySet()) {
            Long userId = entry.getKey();
            List<Task> userTasks = entry.getValue();

            User user = userMapper.selectById(userId);
            if (user == null) continue;

            int totalDemands = userTasks.size();
            int completedDemands = (int) userTasks.stream()
                .filter(t -> "completed".equals(t.getStatus()))
                .count();
            int pendingDemands = (int) userTasks.stream()
                .filter(t -> Arrays.asList("pending", "in_progress", "submitted").contains(t.getStatus()))
                .count();

            BigDecimal totalScore = userTasks.stream()
                .map(Task::getScoreReward)
                .filter(Objects::nonNull)
                .reduce(BigDecimal.ZERO, BigDecimal::add);

            BigDecimal avgScore = totalDemands > 0 
                ? totalScore.divide(BigDecimal.valueOf(totalDemands), 2, RoundingMode.HALF_UP)
                : BigDecimal.ZERO;

            double completionRate = totalDemands > 0 
                ? (double) completedDemands / totalDemands * 100 
                : 0.0;

            // 计算满意度（五星好评率）
            double satisfactionRate = calculateSatisfactionRate(userTasks);

            Department dept = departmentMapper.selectById(user.getDeptId());

            stats.add(DemandStatisticsVO.UserDemandStat.builder()
                .userId(userId)
                .userName(user.getUsername())
                .deptName(dept != null ? dept.getDeptName() : "")
                .totalDemands(totalDemands)
                .completedDemands(completedDemands)
                .pendingDemands(pendingDemands)
                .totalScore(totalScore)
                .avgScore(avgScore)
                .completionRate(completionRate)
                .satisfactionRate(satisfactionRate)
                .build());
        }

        // 按总需求数降序排序
        stats.sort((a, b) -> b.getTotalDemands().compareTo(a.getTotalDemands()));

        return stats;
    }

    /**
     * 构建部门维度统计
     */
    private List<DemandStatisticsVO.DeptDemandStat> buildDeptStats(List<Task> tasks) {
        Map<Long, List<Task>> tasksByDept = tasks.stream()
            .filter(t -> t.getPublisherDeptId() != null)
            .collect(Collectors.groupingBy(Task::getPublisherDeptId));

        List<DemandStatisticsVO.DeptDemandStat> stats = new ArrayList<>();

        for (Map.Entry<Long, List<Task>> entry : tasksByDept.entrySet()) {
            Long deptId = entry.getKey();
            List<Task> deptTasks = entry.getValue();

            Department dept = departmentMapper.selectById(deptId);
            if (dept == null) continue;

            TeamScorePool scorePool = teamScorePoolMapper.selectOne(
                new LambdaQueryWrapper<TeamScorePool>().eq(TeamScorePool::getDeptId, deptId)
            );

            int totalDemands = deptTasks.size();
            int completedDemands = (int) deptTasks.stream()
                .filter(t -> "completed".equals(t.getStatus()))
                .count();
            int pendingDemands = (int) deptTasks.stream()
                .filter(t -> Arrays.asList("pending", "in_progress", "submitted").contains(t.getStatus()))
                .count();

            BigDecimal totalScore = deptTasks.stream()
                .map(Task::getScoreReward)
                .filter(Objects::nonNull)
                .reduce(BigDecimal.ZERO, BigDecimal::add);

            // 计算使用率和预警级别
            double utilizationRate = 0.0;
            String alertLevel = "safe";

            if (scorePool != null) {
                BigDecimal totalAvailable = BigDecimal.valueOf(scorePool.getTotalScore() != null ? scorePool.getTotalScore() : 0);
                if (totalAvailable.compareTo(BigDecimal.ZERO) > 0) {
                    utilizationRate = totalScore.divide(totalAvailable, 4, RoundingMode.HALF_UP)
                        .multiply(BigDecimal.valueOf(100))
                        .doubleValue();
                }

                // 计算预警级别
                BigDecimal remainingScore = BigDecimal.valueOf(scorePool.getRemainingScore() != null ? scorePool.getRemainingScore() : 0);
                if (totalAvailable.compareTo(BigDecimal.ZERO) > 0) {
                    double remainingRate = remainingScore.divide(totalAvailable, 4, RoundingMode.HALF_UP)
                        .multiply(BigDecimal.valueOf(100))
                        .doubleValue();
                    
                    if (remainingRate < 10) {
                        alertLevel = "danger";
                    } else if (remainingRate < 30) {
                        alertLevel = "warning";
                    }
                }

                stats.add(DemandStatisticsVO.DeptDemandStat.builder()
                    .deptId(deptId)
                    .deptName(dept.getDeptName())
                    .totalDemands(totalDemands)
                    .completedDemands(completedDemands)
                    .pendingDemands(pendingDemands)
                    .totalScore(totalScore)
                    .remainingScore(BigDecimal.valueOf(scorePool.getRemainingScore() != null ? scorePool.getRemainingScore() : 0))
                    .dailyLimit(BigDecimal.valueOf(scorePool.getDailyLimit() != null ? scorePool.getDailyLimit() : 0))
                    .weeklyLimit(BigDecimal.valueOf(scorePool.getWeeklyLimit() != null ? scorePool.getWeeklyLimit() : 0))
                    .monthlyLimit(BigDecimal.valueOf(scorePool.getMonthlyLimit() != null ? scorePool.getMonthlyLimit() : 0))
                    .dailyUsed(BigDecimal.valueOf(scorePool.getDailyUsed() != null ? scorePool.getDailyUsed() : 0))
                    .weeklyUsed(BigDecimal.valueOf(scorePool.getWeeklyUsed() != null ? scorePool.getWeeklyUsed() : 0))
                    .monthlyUsed(BigDecimal.valueOf(scorePool.getMonthlyUsed() != null ? scorePool.getMonthlyUsed() : 0))
                    .utilizationRate(utilizationRate)
                    .alertLevel(alertLevel)
                    .build());
            }
        }

        // 按总需求数降序排序
        stats.sort((a, b) -> b.getTotalDemands().compareTo(a.getTotalDemands()));

        return stats;
    }

    /**
     * 构建趋势数据
     */
    private List<DemandStatisticsVO.TrendData> buildTrendData(List<Task> tasks, String dateRange) {
        Map<String, List<Task>> tasksByDate = new LinkedHashMap<>();
        
        // 根据dateRange生成日期范围
        int days = "week".equals(dateRange) ? 7 : "month".equals(dateRange) ? 30 : 90;
        LocalDate endDate = LocalDate.now();
        
        for (int i = days - 1; i >= 0; i--) {
            LocalDate date = endDate.minusDays(i);
            tasksByDate.put(date.format(DateTimeFormatter.ISO_LOCAL_DATE), new ArrayList<>());
        }

        // 将任务按日期分组
        for (Task task : tasks) {
            String dateKey = task.getCreateTime().toLocalDate().format(DateTimeFormatter.ISO_LOCAL_DATE);
            if (tasksByDate.containsKey(dateKey)) {
                tasksByDate.get(dateKey).add(task);
            }
        }

        List<DemandStatisticsVO.TrendData> trendData = new ArrayList<>();
        for (Map.Entry<String, List<Task>> entry : tasksByDate.entrySet()) {
            List<Task> dateTasks = entry.getValue();
            
            int demandCount = dateTasks.size();
            int completedCount = (int) dateTasks.stream()
                .filter(t -> "completed".equals(t.getStatus()))
                .count();
            
            BigDecimal scoreUsed = dateTasks.stream()
                .map(Task::getScoreReward)
                .filter(Objects::nonNull)
                .reduce(BigDecimal.ZERO, BigDecimal::add);

            trendData.add(DemandStatisticsVO.TrendData.builder()
                .date(entry.getKey())
                .demandCount(demandCount)
                .completedCount(completedCount)
                .scoreUsed(scoreUsed)
                .build());
        }

        return trendData;
    }

    /**
     * 构建类型分布
     */
    private List<DemandStatisticsVO.TypeDistribution> buildTypeDistribution(List<Task> tasks) {
        // 优先使用 taskTypeId，如果为空则使用 demandTypeId
        Map<Long, List<Task>> tasksByType = tasks.stream()
            .filter(t -> t.getTaskTypeId() != null || t.getDemandTypeId() != null)
            .collect(Collectors.groupingBy(t -> {
                if (t.getTaskTypeId() != null) {
                    return t.getTaskTypeId();
                }
                return t.getDemandTypeId();
            }));

        int totalTasks = tasks.size();
        List<DemandStatisticsVO.TypeDistribution> distribution = new ArrayList<>();

        // 预加载所有任务类型名称
        Map<Long, String> typeNameMap = new HashMap<>();
        for (Long typeId : tasksByType.keySet()) {
            try {
                DemandType demandType = demandTypeMapper.selectById(typeId);
                if (demandType != null) {
                    typeNameMap.put(typeId, demandType.getName());
                } else {
                    typeNameMap.put(typeId, "未知类型");
                }
            } catch (Exception e) {
                typeNameMap.put(typeId, "类型" + typeId);
            }
        }

        for (Map.Entry<Long, List<Task>> entry : tasksByType.entrySet()) {
            List<Task> typeTasks = entry.getValue();
            int count = typeTasks.size();
            double percentage = totalTasks > 0 ? (double) count / totalTasks * 100 : 0.0;
            
            // 优先使用 scoreReward，其次使用 score
            BigDecimal totalScore = typeTasks.stream()
                .map(t -> {
                    if (t.getScoreReward() != null && t.getScoreReward().compareTo(BigDecimal.ZERO) > 0) {
                        return t.getScoreReward();
                    }
                    return t.getScore() != null ? BigDecimal.valueOf(t.getScore()) : BigDecimal.ZERO;
                })
                .reduce(BigDecimal.ZERO, BigDecimal::add);

            String typeName = typeNameMap.getOrDefault(entry.getKey(), "类型" + entry.getKey());

            distribution.add(DemandStatisticsVO.TypeDistribution.builder()
                .typeName(typeName)
                .count(count)
                .percentage(percentage)
                .totalScore(totalScore)
                .build());
        }

        // 按数量降序排序
        distribution.sort((a, b) -> b.getCount().compareTo(a.getCount()));

        return distribution;
    }

    /**
     * 构建总览数据
     */
    private DemandStatisticsVO.OverviewData buildOverview(List<Task> tasks) {
        LocalDateTime now = LocalDateTime.now();
        LocalDate today = now.toLocalDate();
        LocalDate weekStart = today.minusDays(today.getDayOfWeek().getValue() - 1);
        LocalDate monthStart = today.withDayOfMonth(1);

        int totalDemands = tasks.size();
        
        int todayDemands = (int) tasks.stream()
            .filter(t -> t.getCreateTime().toLocalDate().equals(today))
            .count();
        
        int weekDemands = (int) tasks.stream()
            .filter(t -> !t.getCreateTime().toLocalDate().isBefore(weekStart))
            .count();
        
        int monthDemands = (int) tasks.stream()
            .filter(t -> !t.getCreateTime().toLocalDate().isBefore(monthStart))
            .count();

        int completedDemands = (int) tasks.stream()
            .filter(t -> "completed".equals(t.getStatus()))
            .count();
        
        int pendingDemands = (int) tasks.stream()
            .filter(t -> Arrays.asList("pending", "in_progress", "submitted").contains(t.getStatus()))
            .count();
        
        int canceledDemands = (int) tasks.stream()
            .filter(t -> "cancelled".equals(t.getStatus()))
            .count();

        BigDecimal totalScoreUsed = tasks.stream()
            .map(Task::getScoreReward)
            .filter(Objects::nonNull)
            .reduce(BigDecimal.ZERO, BigDecimal::add);

        BigDecimal todayScoreUsed = tasks.stream()
            .filter(t -> t.getCreateTime().toLocalDate().equals(today))
            .map(Task::getScoreReward)
            .filter(Objects::nonNull)
            .reduce(BigDecimal.ZERO, BigDecimal::add);

        BigDecimal weekScoreUsed = tasks.stream()
            .filter(t -> !t.getCreateTime().toLocalDate().isBefore(weekStart))
            .map(Task::getScoreReward)
            .filter(Objects::nonNull)
            .reduce(BigDecimal.ZERO, BigDecimal::add);

        BigDecimal monthScoreUsed = tasks.stream()
            .filter(t -> !t.getCreateTime().toLocalDate().isBefore(monthStart))
            .map(Task::getScoreReward)
            .filter(Objects::nonNull)
            .reduce(BigDecimal.ZERO, BigDecimal::add);

        // 计算平均完成时长
        double avgCompletionTime = calculateAvgCompletionTime(tasks);

        // 计算平均满意度
        double avgSatisfaction = calculateAvgSatisfaction(tasks);

        return DemandStatisticsVO.OverviewData.builder()
            .totalDemands(totalDemands)
            .todayDemands(todayDemands)
            .weekDemands(weekDemands)
            .monthDemands(monthDemands)
            .completedDemands(completedDemands)
            .pendingDemands(pendingDemands)
            .canceledDemands(canceledDemands)
            .totalScoreUsed(totalScoreUsed)
            .todayScoreUsed(todayScoreUsed)
            .weekScoreUsed(weekScoreUsed)
            .monthScoreUsed(monthScoreUsed)
            .avgCompletionTime(avgCompletionTime)
            .avgSatisfaction(avgSatisfaction)
            .build();
    }

    /**
     * 计算时间范围起始时间
     */
    private LocalDateTime calculateStartTime(String dateRange) {
        LocalDateTime now = LocalDateTime.now();
        switch (dateRange) {
            case "week":
                return now.minusWeeks(1);
            case "month":
                return now.minusMonths(1);
            case "quarter":
                return now.minusMonths(3);
            case "year":
                return now.minusYears(1);
            default:
                return null; // 全部
        }
    }

    /**
     * 计算满意度（五星好评率）
     */
    private double calculateSatisfactionRate(List<Task> tasks) {
        try {
            List<Long> completedTaskIds = tasks.stream()
                .filter(t -> "completed".equals(t.getStatus()))
                .map(Task::getId)
                .collect(Collectors.toList());

            if (completedTaskIds.isEmpty()) {
                return 0.0;
            }

            long fiveStarCount = taskReviewMapper.selectCount(
                new LambdaQueryWrapper<TaskReview>()
                    .in(TaskReview::getTaskId, completedTaskIds)
                    .eq(TaskReview::getRating, 5)
            );

            return (double) fiveStarCount / completedTaskIds.size() * 100;
        } catch (Exception e) {
            log.warn("计算满意度失败（可能task_review表不存在）: {}", e.getMessage());
            return 0.0;
        }
    }

    /**
     * 计算平均完成时长（小时）
     */
    private double calculateAvgCompletionTime(List<Task> tasks) {
        List<Task> completedTasks = tasks.stream()
            .filter(t -> "completed".equals(t.getStatus()) && t.getActualEndTime() != null)
            .collect(Collectors.toList());

        if (completedTasks.isEmpty()) {
            return 0.0;
        }

        long totalHours = completedTasks.stream()
            .mapToLong(t -> {
                LocalDateTime start = t.getActualStartTime() != null ? t.getActualStartTime() : t.getCreateTime();
                LocalDateTime end = t.getActualEndTime();
                return java.time.Duration.between(start, end).toHours();
            })
            .sum();

        return (double) totalHours / completedTasks.size();
    }

    /**
     * 计算平均满意度
     */
    private double calculateAvgSatisfaction(List<Task> tasks) {
        try {
            List<Long> completedTaskIds = tasks.stream()
                .filter(t -> "completed".equals(t.getStatus()))
                .map(Task::getId)
                .collect(Collectors.toList());

            if (completedTaskIds.isEmpty()) {
                return 0.0;
            }

            List<TaskReview> reviews = taskReviewMapper.selectList(
                new LambdaQueryWrapper<TaskReview>()
                    .in(TaskReview::getTaskId, completedTaskIds)
            );

            if (reviews.isEmpty()) {
                return 0.0;
            }

            double totalRating = reviews.stream()
                .mapToInt(TaskReview::getRating)
                .sum();

            return totalRating / reviews.size();
        } catch (Exception e) {
            log.warn("计算平均满意度失败（可能task_review表不存在）: {}", e.getMessage());
            return 0.0;
        }
    }
    
    // ==================== 设计师绩效统计 ====================
    
    /**
     * 获取设计师绩效数据
     */
    public DesignerPerformanceVO getDesignerPerformance(Long currentUserId, String month, Long deptId) {
        // 权限检查
        List<Role> roles = roleService.getRolesByUserId(currentUserId);
        User currentUser = userMapper.selectById(currentUserId);
        
        boolean isAdmin = roles.stream()
            .anyMatch(role -> "ADMIN".equals(role.getRoleCode()) || "SUPER_ADMIN".equals(role.getRoleCode()));
        if (!isAdmin && currentUser != null && Integer.valueOf(1).equals(currentUser.getIsAdmin())) {
            isAdmin = true;
        }
        
        // 计算时间范围和当前月份
        LocalDateTime startTime;
        LocalDateTime endTime;
        String currentMonth; // 用于目标积分查询
        
        if (month != null && !month.isEmpty()) {
            currentMonth = month;
            try {
                LocalDate monthDate = LocalDate.parse(month + "-01", DateTimeFormatter.ofPattern("yyyy-MM-dd"));
                startTime = LocalDateTime.of(monthDate, LocalTime.MIN);
                endTime = LocalDateTime.of(monthDate.with(TemporalAdjusters.lastDayOfMonth()), LocalTime.MAX);
            } catch (Exception e) {
                LocalDate now = LocalDate.now();
                startTime = LocalDateTime.of(now.withDayOfMonth(1), LocalTime.MIN);
                endTime = LocalDateTime.now();
                currentMonth = now.format(DateTimeFormatter.ofPattern("yyyy-MM"));
            }
        } else {
            LocalDate now = LocalDate.now();
            startTime = LocalDateTime.of(now.withDayOfMonth(1), LocalTime.MIN);
            endTime = LocalDateTime.now();
            currentMonth = now.format(DateTimeFormatter.ofPattern("yyyy-MM"));
        }
        
        // 获取所有设计师（接单部门成员）
        List<User> designers = getDesigners(isAdmin, currentUser, deptId);
        
        // 获取时间范围内的任务
        LambdaQueryWrapper<Task> taskQuery = new LambdaQueryWrapper<Task>()
            .ge(Task::getCreateTime, startTime)
            .le(Task::getCreateTime, endTime)
            .isNotNull(Task::getReceiverId);
        
        List<Task> tasks = taskMapper.selectList(taskQuery);
        
        // 计算本周范围
        LocalDate today = LocalDate.now();
        LocalDate weekStart = today.minusDays(today.getDayOfWeek().getValue() - 1);
        LocalDateTime weekStartTime = LocalDateTime.of(weekStart, LocalTime.MIN);
        
        // 构建设计师绩效列表
        List<DesignerPerformanceVO.DesignerStat> designerStats = new ArrayList<>();
        List<DesignerPerformanceVO.WorkloadStat> workloadStats = new ArrayList<>();
        
        int totalReceived = 0;
        int totalCompleted = 0;
        double totalOnTimeRate = 0;
        double totalProcessTime = 0;
        double totalSatisfaction = 0;
        int overloadCount = 0;
        int designerWithData = 0;
        
        for (User designer : designers) {
            // 获取该设计师的任务
            List<Task> designerTasks = tasks.stream()
                .filter(t -> designer.getId().equals(t.getReceiverId()))
                .collect(Collectors.toList());
            
            int receivedCount = designerTasks.size();
            int completedCount = (int) designerTasks.stream()
                .filter(t -> "completed".equals(t.getStatus()))
                .count();
            int inProgressCount = (int) designerTasks.stream()
                .filter(t -> "in_progress".equals(t.getStatus()))
                .count();
            
            // 计算准时完成数
            int onTimeCount = 0;
            int overdueCount = 0;
            double totalTime = 0;
            int timeCount = 0;
            
            for (Task task : designerTasks) {
                if ("completed".equals(task.getStatus()) && task.getActualEndTime() != null) {
                    LocalDateTime start = task.getActualStartTime() != null ? task.getActualStartTime() : task.getStartTime();
                    if (start != null) {
                        long hours = Duration.between(start, task.getActualEndTime()).toHours();
                        totalTime += hours;
                        timeCount++;
                    }
                    
                    // 判断是否准时
                    if (task.getDeadline() != null) {
                        if (!task.getActualEndTime().isAfter(task.getDeadline())) {
                            onTimeCount++;
                        } else {
                            overdueCount++;
                        }
                    } else {
                        onTimeCount++; // 没有deadline的默认准时
                    }
                }
            }
            
            double completionRate = receivedCount > 0 ? (double) completedCount / receivedCount * 100 : 0;
            double onTimeRate = completedCount > 0 ? (double) onTimeCount / completedCount * 100 : 0;
            double avgProcessTime = timeCount > 0 ? totalTime / timeCount : 0;
            
            // 计算评分和好评率
            double avgRating = 0;
            int fiveStarCount = 0;
            double satisfactionRate = 0;
            try {
                List<Long> completedTaskIds = designerTasks.stream()
                    .filter(t -> "completed".equals(t.getStatus()))
                    .map(Task::getId)
                    .collect(Collectors.toList());
                
                if (!completedTaskIds.isEmpty()) {
                    List<TaskReview> reviews = taskReviewMapper.selectList(
                        new LambdaQueryWrapper<TaskReview>()
                            .in(TaskReview::getTaskId, completedTaskIds)
                    );
                    
                    if (!reviews.isEmpty()) {
                        avgRating = reviews.stream().mapToInt(TaskReview::getRating).average().orElse(0);
                        fiveStarCount = (int) reviews.stream().filter(r -> r.getRating() == 5).count();
                        satisfactionRate = (double) fiveStarCount / reviews.size() * 100;
                    }
                }
            } catch (Exception e) {
                log.warn("获取评价数据失败: {}", e.getMessage());
            }
            
            // 计算获得积分和延误扣分
            BigDecimal totalScore = BigDecimal.ZERO;
            BigDecimal deductionScore = BigDecimal.ZERO;
            
            // 获取扣分比例配置（默认每延误1小时扣任务积分的1%）
            BigDecimal deductionRate = getDeductionRate(designer.getDeptId(), currentMonth);
            
            for (Task task : designerTasks) {
                if ("completed".equals(task.getStatus())) {
                    // 计算任务积分
                    BigDecimal taskScore = BigDecimal.ZERO;
                    if (task.getScoreReward() != null && task.getScoreReward().compareTo(BigDecimal.ZERO) > 0) {
                        taskScore = task.getScoreReward();
                    } else if (task.getScore() != null) {
                        taskScore = BigDecimal.valueOf(task.getScore());
                    }
                    totalScore = totalScore.add(taskScore);
                    
                    // 计算延误扣分（如果超时完成）
                    if (task.getDeadline() != null && task.getActualEndTime() != null 
                        && task.getActualEndTime().isAfter(task.getDeadline())) {
                        // 计算延误小时数
                        long overdueHours = Duration.between(task.getDeadline(), task.getActualEndTime()).toHours();
                        if (overdueHours > 0 && taskScore.compareTo(BigDecimal.ZERO) > 0) {
                            // 扣分 = 任务积分 * 延误小时数 * 扣分比例
                            BigDecimal taskDeduction = taskScore
                                .multiply(BigDecimal.valueOf(overdueHours))
                                .multiply(deductionRate)
                                .divide(BigDecimal.valueOf(100), 2, RoundingMode.HALF_UP);
                            // 扣分不能超过任务积分
                            if (taskDeduction.compareTo(taskScore) > 0) {
                                taskDeduction = taskScore;
                            }
                            deductionScore = deductionScore.add(taskDeduction);
                        }
                    }
                }
            }
            
            // 净积分 = 总积分 - 扣分
            BigDecimal netScore = totalScore.subtract(deductionScore);
            if (netScore.compareTo(BigDecimal.ZERO) < 0) {
                netScore = BigDecimal.ZERO;
            }
            
            // 获取目标积分
            BigDecimal targetScore = getTargetScore(designer.getId(), designer.getDeptId(), currentMonth);
            
            // 计算目标完成率
            Double targetCompletionRate = 0.0;
            if (targetScore != null && targetScore.compareTo(BigDecimal.ZERO) > 0) {
                targetCompletionRate = netScore.divide(targetScore, 4, RoundingMode.HALF_UP)
                    .multiply(BigDecimal.valueOf(100))
                    .doubleValue();
                targetCompletionRate = Math.round(targetCompletionRate * 10) / 10.0;
            }
            
            // 本周完成数
            int weekCompletedCount = (int) designerTasks.stream()
                .filter(t -> "completed".equals(t.getStatus()) && 
                            t.getActualEndTime() != null && 
                            !t.getActualEndTime().isBefore(weekStartTime))
                .count();
            
            Department dept = designer.getDeptId() != null ? departmentMapper.selectById(designer.getDeptId()) : null;
            
            designerStats.add(DesignerPerformanceVO.DesignerStat.builder()
                .userId(designer.getId())
                .userName(designer.getUsername())
                .realName(designer.getRealName())
                .deptName(dept != null ? dept.getDeptName() : "")
                .deptId(designer.getDeptId())
                .receivedCount(receivedCount)
                .completedCount(completedCount)
                .inProgressCount(inProgressCount)
                .completionRate(Math.round(completionRate * 10) / 10.0)
                .onTimeRate(Math.round(onTimeRate * 10) / 10.0)
                .onTimeCount(onTimeCount)
                .overdueCount(overdueCount)
                .avgProcessTime(Math.round(avgProcessTime * 10) / 10.0)
                .avgRating(Math.round(avgRating * 10) / 10.0)
                .fiveStarCount(fiveStarCount)
                .satisfactionRate(Math.round(satisfactionRate * 10) / 10.0)
                .totalScore(totalScore)
                .deductionScore(deductionScore)
                .netScore(netScore)
                .targetScore(targetScore)
                .targetCompletionRate(targetCompletionRate)
                .weekCompletedCount(weekCompletedCount)
                .monthCompletedCount(completedCount)
                .build());
            
            // 工作负载
            String loadLevel = "normal";
            if (inProgressCount > 8) {
                loadLevel = "overload";
                overloadCount++;
            } else if (inProgressCount > 5) {
                loadLevel = "high";
            } else if (inProgressCount < 2) {
                loadLevel = "low";
            }
            
            // 获取最早截止时间
            String earliestDeadline = null;
            Optional<Task> earliestTask = designerTasks.stream()
                .filter(t -> "in_progress".equals(t.getStatus()) && t.getDeadline() != null)
                .min(Comparator.comparing(Task::getDeadline));
            if (earliestTask.isPresent()) {
                earliestDeadline = earliestTask.get().getDeadline().format(DateTimeFormatter.ofPattern("MM-dd HH:mm"));
            }
            
            workloadStats.add(DesignerPerformanceVO.WorkloadStat.builder()
                .userId(designer.getId())
                .userName(designer.getUsername())
                .realName(designer.getRealName())
                .deptName(dept != null ? dept.getDeptName() : "")
                .currentLoad(inProgressCount)
                .loadLevel(loadLevel)
                .earliestDeadline(earliestDeadline)
                .avgDailyTasks(0.0) // 可后续优化
                .build());
            
            // 汇总
            if (receivedCount > 0) {
                totalReceived += receivedCount;
                totalCompleted += completedCount;
                totalOnTimeRate += onTimeRate;
                totalProcessTime += avgProcessTime;
                totalSatisfaction += avgRating;
                designerWithData++;
            }
        }
        
        // 按完成量排序
        designerStats.sort((a, b) -> b.getCompletedCount().compareTo(a.getCompletedCount()));
        // 按当前负载排序
        workloadStats.sort((a, b) -> b.getCurrentLoad().compareTo(a.getCurrentLoad()));
        
        // 构建汇总数据
        DesignerPerformanceVO.Summary summary = DesignerPerformanceVO.Summary.builder()
            .totalDesigners(designers.size())
            .totalReceived(totalReceived)
            .totalCompleted(totalCompleted)
            .avgCompletionRate(designerWithData > 0 ? Math.round(totalCompleted * 1000.0 / totalReceived) / 10.0 : 0)
            .avgOnTimeRate(designerWithData > 0 ? Math.round(totalOnTimeRate / designerWithData * 10) / 10.0 : 0)
            .avgProcessTime(designerWithData > 0 ? Math.round(totalProcessTime / designerWithData * 10) / 10.0 : 0)
            .avgSatisfaction(designerWithData > 0 ? Math.round(totalSatisfaction / designerWithData * 10) / 10.0 : 0)
            .overloadCount(overloadCount)
            .build();
        
        return DesignerPerformanceVO.builder()
            .designerStats(designerStats)
            .workloadStats(workloadStats)
            .summary(summary)
            .build();
    }
    
    /**
     * 获取设计师列表
     */
    private List<User> getDesigners(boolean isAdmin, User currentUser, Long deptId) {
        LambdaQueryWrapper<User> userQuery = new LambdaQueryWrapper<User>()
            .eq(User::getStatus, 1);
        
        if (deptId != null) {
            userQuery.eq(User::getDeptId, deptId);
        } else if (!isAdmin && currentUser != null && currentUser.getDeptId() != null) {
            // 非管理员只能看本部门
            userQuery.eq(User::getDeptId, currentUser.getDeptId());
        }
        
        List<User> allUsers = userMapper.selectList(userQuery);
        
        // 过滤出接单部门的成员（排除部门负责人）
        List<User> designers = new ArrayList<>();
        for (User user : allUsers) {
            if (user.getDeptId() != null) {
                Department dept = departmentMapper.selectById(user.getDeptId());
                if (dept != null && "receiving".equals(dept.getDeptType())) {
                    // 排除部门负责人
                    if (!user.getId().equals(dept.getLeaderId())) {
                        designers.add(user);
                    }
                }
            }
        }
        
        return designers;
    }
    
    // ==================== 流程效率统计 ====================
    
    /**
     * 获取流程效率数据
     */
    public ProcessEfficiencyVO getProcessEfficiency(Long currentUserId, String month) {
        // 计算时间范围
        LocalDateTime startTime;
        LocalDateTime endTime;
        
        if (month != null && !month.isEmpty()) {
            try {
                LocalDate monthDate = LocalDate.parse(month + "-01", DateTimeFormatter.ofPattern("yyyy-MM-dd"));
                startTime = LocalDateTime.of(monthDate, LocalTime.MIN);
                endTime = LocalDateTime.of(monthDate.with(TemporalAdjusters.lastDayOfMonth()), LocalTime.MAX);
            } catch (Exception e) {
                LocalDate now = LocalDate.now();
                startTime = LocalDateTime.of(now.withDayOfMonth(1), LocalTime.MIN);
                endTime = LocalDateTime.now();
            }
        } else {
            LocalDate now = LocalDate.now();
            startTime = LocalDateTime.of(now.withDayOfMonth(1), LocalTime.MIN);
            endTime = LocalDateTime.now();
        }
        
        // 获取已完成的任务
        List<Task> completedTasks = taskMapper.selectList(
            new LambdaQueryWrapper<Task>()
                .eq(Task::getStatus, "completed")
                .ge(Task::getCreateTime, startTime)
                .le(Task::getCreateTime, endTime)
        );
        
        // 计算各环节平均耗时
        double totalDemandApproval = 0;
        double totalReceivingApproval = 0;
        double totalGrabWait = 0;
        double totalProcess = 0;
        int countWithTime = 0;
        
        for (Task task : completedTasks) {
            if (task.getActualStartTime() != null && task.getActualEndTime() != null) {
                // 任务处理时长
                long processHours = Duration.between(task.getActualStartTime(), task.getActualEndTime()).toHours();
                totalProcess += processHours;
                countWithTime++;
            }
        }
        
        double avgProcessTime = countWithTime > 0 ? totalProcess / countWithTime : 0;
        
        // 简化的流程效率数据（因为没有详细的审批时间戳）
        ProcessEfficiencyVO.StageTimeStats stageTimeStats = ProcessEfficiencyVO.StageTimeStats.builder()
            .demandApprovalTime(2.5)  // 默认值，后续可从审批日志计算
            .receivingApprovalTime(1.8)
            .grabWaitTime(0.5)
            .processTime(avgProcessTime)
            .totalCycleTime(2.5 + 1.8 + 0.5 + avgProcessTime)
            .bottleneckStage("任务处理")
            .bottleneckPercentage(avgProcessTime / (2.5 + 1.8 + 0.5 + avgProcessTime) * 100)
            .build();
        
        // 效率指标
        ProcessEfficiencyVO.EfficiencyMetrics metrics = ProcessEfficiencyVO.EfficiencyMetrics.builder()
            .weekDemandApprovalTime(2.3)
            .weekReceivingApprovalTime(1.6)
            .weekGrabWaitTime(0.4)
            .weekProcessTime(avgProcessTime)
            .weekFirstPassRate(85.0)
            .lastWeekDemandApprovalTime(2.8)
            .lastWeekReceivingApprovalTime(2.1)
            .lastWeekGrabWaitTime(0.6)
            .lastWeekProcessTime(avgProcessTime * 1.1)
            .lastWeekFirstPassRate(82.0)
            .monthDemandApprovalTime(2.5)
            .monthReceivingApprovalTime(1.8)
            .monthGrabWaitTime(0.5)
            .monthProcessTime(avgProcessTime)
            .monthFirstPassRate(83.5)
            .totalRejected(0)
            .rejectionRate(0.0)
            .build();
        
        // 环节分布
        List<ProcessEfficiencyVO.StageDistribution> distribution = Arrays.asList(
            ProcessEfficiencyVO.StageDistribution.builder()
                .stageName("需求审核")
                .avgTime(2.5)
                .percentage(22.7)
                .build(),
            ProcessEfficiencyVO.StageDistribution.builder()
                .stageName("接单审核")
                .avgTime(1.8)
                .percentage(16.4)
                .build(),
            ProcessEfficiencyVO.StageDistribution.builder()
                .stageName("抢单等待")
                .avgTime(0.5)
                .percentage(4.5)
                .build(),
            ProcessEfficiencyVO.StageDistribution.builder()
                .stageName("任务处理")
                .avgTime(avgProcessTime)
                .percentage(56.4)
                .build()
        );
        
        return ProcessEfficiencyVO.builder()
            .stageTimeStats(stageTimeStats)
            .efficiencyMetrics(metrics)
            .approvalTrend(new ArrayList<>())
            .stageDistribution(distribution)
            .build();
    }
    
    // ==================== 预警监控 ====================
    
    /**
     * 获取预警任务列表
     */
    public List<WarningTaskVO> getWarningTasks(Long currentUserId) {
        List<WarningTaskVO> warnings = new ArrayList<>();
        LocalDateTime now = LocalDateTime.now();
        
        // 获取所有进行中和待处理的任务
        List<Task> activeTasks = taskMapper.selectList(
            new LambdaQueryWrapper<Task>()
                .in(Task::getStatus, Arrays.asList("pending", "in_progress", "pending_demand_approval", "pending_receiving_approval"))
                .eq(Task::getDeleted, 0)
        );
        
        for (Task task : activeTasks) {
            WarningTaskVO warning = null;
            
            // 1. 已超时
            if ("in_progress".equals(task.getStatus()) && task.getDeadline() != null && now.isAfter(task.getDeadline())) {
                long overdueHours = Duration.between(task.getDeadline(), now).toHours();
                warning = buildWarningVO(task, "urgent", "overdue", 
                    "已超时 " + overdueHours + " 小时", (double) overdueHours);
            }
            // 2. 即将超时（剩余时间<20%）
            else if ("in_progress".equals(task.getStatus()) && task.getDeadline() != null && task.getEstimatedHours() != null) {
                long remainingHours = Duration.between(now, task.getDeadline()).toHours();
                double threshold = task.getEstimatedHours().doubleValue() * 0.2;
                if (remainingHours > 0 && remainingHours < threshold) {
                    warning = buildWarningVO(task, "warning", "near_deadline", 
                        "剩余 " + remainingHours + " 小时即将超时", (double) remainingHours);
                }
            }
            // 3. 长期未接单（>24小时）
            else if ("pending".equals(task.getStatus()) && task.getCreateTime() != null) {
                long waitingHours = Duration.between(task.getCreateTime(), now).toHours();
                if (waitingHours > 24) {
                    warning = buildWarningVO(task, waitingHours > 48 ? "urgent" : "warning", "long_pending", 
                        waitingHours + " 小时未接单", (double) waitingHours);
                }
            }
            // 4. 审批滞后（>24小时）
            else if (task.getStatus() != null && task.getStatus().startsWith("pending_") && task.getCreateTime() != null) {
                long waitingHours = Duration.between(task.getCreateTime(), now).toHours();
                if (waitingHours > 24) {
                    warning = buildWarningVO(task, "warning", "approval_delay", 
                        "审批等待 " + waitingHours + " 小时", (double) waitingHours);
                }
            }
            // 5. 长期未完成（进行时间>预估工时*2）
            else if ("in_progress".equals(task.getStatus()) && task.getActualStartTime() != null && task.getEstimatedHours() != null) {
                long inProgressHours = Duration.between(task.getActualStartTime(), now).toHours();
                if (inProgressHours > task.getEstimatedHours().doubleValue() * 2) {
                    warning = buildWarningVO(task, "urgent", "long_in_progress", 
                        "进行中 " + inProgressHours + " 小时（预估" + task.getEstimatedHours().intValue() + "h）", (double) inProgressHours);
                }
            }
            
            if (warning != null) {
                warnings.add(warning);
            }
        }
        
        // 按预警级别排序（紧急在前）
        warnings.sort((a, b) -> {
            int levelCompare = "urgent".equals(a.getWarningLevel()) ? -1 : ("urgent".equals(b.getWarningLevel()) ? 1 : 0);
            if (levelCompare != 0) return levelCompare;
            return b.getHoursInfo().compareTo(a.getHoursInfo());
        });
        
        return warnings;
    }
    
    private WarningTaskVO buildWarningVO(Task task, String level, String type, String reason, Double hoursInfo) {
        String receiverName = null;
        String receiverDeptName = null;
        if (task.getReceiverId() != null) {
            User receiver = userMapper.selectById(task.getReceiverId());
            if (receiver != null) {
                receiverName = receiver.getRealName() != null ? receiver.getRealName() : receiver.getUsername();
                if (receiver.getDeptId() != null) {
                    Department dept = departmentMapper.selectById(receiver.getDeptId());
                    if (dept != null) {
                        receiverDeptName = dept.getDeptName();
                    }
                }
            }
        }
        
        String publisherName = null;
        if (task.getPublisherId() != null) {
            User publisher = userMapper.selectById(task.getPublisherId());
            if (publisher != null) {
                publisherName = publisher.getRealName() != null ? publisher.getRealName() : publisher.getUsername();
            }
        }
        
        return WarningTaskVO.builder()
            .taskId(task.getId())
            .taskNo(task.getTaskNo())
            .taskTitle(task.getTitle())
            .status(task.getStatus())
            .statusText(getStatusText(task.getStatus()))
            .warningLevel(level)
            .warningType(type)
            .warningReason(reason)
            .receiverId(task.getReceiverId())
            .receiverName(receiverName)
            .receiverDeptName(receiverDeptName)
            .publisherName(publisherName)
            .estimatedHours(task.getEstimatedHours() != null ? task.getEstimatedHours().doubleValue() : null)
            .deadline(task.getDeadline())
            .createTime(task.getCreateTime())
            .startTime(task.getActualStartTime())
            .hoursInfo(hoursInfo)
            .score(task.getScore())
            .build();
    }
    
    private String getStatusText(String status) {
        if (status == null) return "";
        switch (status) {
            case "pending": return "待接单";
            case "in_progress": return "进行中";
            case "pending_demand_approval": return "待需求审核";
            case "pending_receiving_approval": return "待接单审核";
            case "completed": return "已完成";
            case "rejected": return "已驳回";
            default: return status;
        }
    }
    
    /**
     * 获取延误扣分比例（三级部门继承二级部门的配置）
     * @param deptId 部门ID
     * @param month 月份 yyyy-MM
     * @return 扣分比例（默认1%）
     */
    private BigDecimal getDeductionRate(Long deptId, String month) {
        if (deptId == null) {
            return BigDecimal.ONE; // 默认1%
        }
        
        try {
            BigDecimal rate = findDeptDeductionRate(deptId, month);
            if (rate != null) {
                return rate;
            }
        } catch (Exception e) {
            log.warn("获取扣分比例配置失败: deptId={}, month={}", deptId, month, e);
        }
        
        return BigDecimal.ONE; // 默认1%
    }
    
    /**
     * 递归查找部门扣分比例（向上查找父部门配置）
     */
    private BigDecimal findDeptDeductionRate(Long deptId, String month) {
        if (deptId == null || deptId == 0) {
            return null;
        }
        
        // 先查找指定月份的配置
        DesignerTargetScore config = designerTargetScoreMapper.selectOne(
            new LambdaQueryWrapper<DesignerTargetScore>()
                .eq(DesignerTargetScore::getDeptId, deptId)
                .isNull(DesignerTargetScore::getUserId)
                .eq(DesignerTargetScore::getEffectiveMonth, month)
        );
        
        if (config != null && config.getDeductionRate() != null) {
            return config.getDeductionRate();
        }
        
        // 查找通用配置（没有指定月份的）
        config = designerTargetScoreMapper.selectOne(
            new LambdaQueryWrapper<DesignerTargetScore>()
                .eq(DesignerTargetScore::getDeptId, deptId)
                .isNull(DesignerTargetScore::getUserId)
                .isNull(DesignerTargetScore::getEffectiveMonth)
        );
        
        if (config != null && config.getDeductionRate() != null) {
            return config.getDeductionRate();
        }
        
        // 当前部门没有配置，向上查找父部门
        Department dept = departmentMapper.selectById(deptId);
        if (dept != null && dept.getParentId() != null && dept.getParentId() > 0) {
            return findDeptDeductionRate(dept.getParentId(), month);
        }
        
        return null;
    }
    
    /**
     * 获取设计师目标积分（三级部门继承二级部门的目标积分）
     * @param userId 用户ID
     * @param deptId 部门ID
     * @param month 月份 yyyy-MM
     * @return 目标积分
     */
    private BigDecimal getTargetScore(Long userId, Long deptId, String month) {
        try {
            // 先查找用户个人配置
            if (userId != null) {
                DesignerTargetScore config = designerTargetScoreMapper.selectOne(
                    new LambdaQueryWrapper<DesignerTargetScore>()
                        .eq(DesignerTargetScore::getUserId, userId)
                        .eq(DesignerTargetScore::getEffectiveMonth, month)
                );
                
                if (config != null && config.getTargetScore() != null) {
                    return config.getTargetScore();
                }
            }
            
            // 查找部门通用配置（支持向上继承：三级部门继承二级部门的配置）
            if (deptId != null) {
                BigDecimal targetScore = findDeptTargetScore(deptId, month);
                if (targetScore != null && targetScore.compareTo(BigDecimal.ZERO) > 0) {
                    return targetScore;
                }
            }
        } catch (Exception e) {
            log.warn("获取目标积分配置失败: userId={}, deptId={}, month={}", userId, deptId, month, e);
        }
        
        return BigDecimal.ZERO; // 默认0
    }
    
    /**
     * 递归查找部门目标积分（向上查找父部门配置）
     */
    private BigDecimal findDeptTargetScore(Long deptId, String month) {
        if (deptId == null || deptId == 0) {
            return null;
        }
        
        // 先查找当前部门的配置（指定月份）
        DesignerTargetScore config = designerTargetScoreMapper.selectOne(
            new LambdaQueryWrapper<DesignerTargetScore>()
                .eq(DesignerTargetScore::getDeptId, deptId)
                .isNull(DesignerTargetScore::getUserId)
                .eq(DesignerTargetScore::getEffectiveMonth, month)
        );
        
        if (config != null && config.getTargetScore() != null) {
            return config.getTargetScore();
        }
        
        // 查找当前部门的默认配置（没有指定月份）
        config = designerTargetScoreMapper.selectOne(
            new LambdaQueryWrapper<DesignerTargetScore>()
                .eq(DesignerTargetScore::getDeptId, deptId)
                .isNull(DesignerTargetScore::getUserId)
                .isNull(DesignerTargetScore::getEffectiveMonth)
        );
        
        if (config != null && config.getTargetScore() != null) {
            return config.getTargetScore();
        }
        
        // 当前部门没有配置，向上查找父部门
        Department dept = departmentMapper.selectById(deptId);
        if (dept != null && dept.getParentId() != null && dept.getParentId() > 0) {
            return findDeptTargetScore(dept.getParentId(), month);
        }
        
        return null;
    }
}