package com.designhub.service;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.designhub.dto.PipelineTaskDTO;
import com.designhub.dto.TaskApprovalDTO;
import com.designhub.dto.TaskUpdateDTO;
import com.designhub.entity.*;
import com.designhub.exception.BusinessException;
import com.designhub.mapper.*;
import com.designhub.common.ResultCode;
import com.designhub.entity.Brand;
import com.designhub.entity.Category;
import com.designhub.entity.Platform;
import com.fasterxml.jackson.databind.ObjectMapper;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import java.time.LocalDateTime;
import java.util.List;
import java.util.stream.Collectors;

/**
 * 任务审核服务
 */
@Service
@RequiredArgsConstructor
@Slf4j
public class TaskApprovalService {

    private final TaskMapper taskMapper;
    private final TaskItemMapper taskItemMapper;
    private final TaskApprovalLogMapper approvalLogMapper;
    private final DepartmentMapper departmentMapper;
    private final UserMapper userMapper;
    private final BrandMapper brandMapper;
    private final CategoryMapper categoryMapper;
    private final PlatformMapper platformMapper;
    private final NotificationService notificationService;
    private final TeamScorePoolService teamScorePoolService;
    private final TaskService taskService;
    private final ConfigService configService;
    private final ObjectMapper objectMapper;
    private final DingTalkService dingTalkService;
    private final com.designhub.util.WorkHoursCalculator workHoursCalculator;

    /**
     * 需求部门负责人审核通过
     */
    @Transactional(rollbackFor = Exception.class)
    public void approveDemandLevel(Long taskId, Long approverId, TaskApprovalDTO dto) {
        // 1. 验证任务和权限
        Task task = getTaskForApproval(taskId, "pending_demand_approval");
        validateApprover(task, approverId, "demand_leader");

        // 2. 应用任务修改（如果有）
        if (dto.getTaskUpdates() != null) {
            applyTaskUpdates(task, dto.getTaskUpdates());
            logApproval(taskId, approverId, 1, "modify", dto.getComment());
        }

        // 3. 所有任务都需要接单部门负责人审核（无论是否预先指定了设计师）
        String releaseType = task.getReleaseType();
        
        // 确定接单部门负责人
            Long receivingLeaderId = determineReceivingLeader(task);
            if (receivingLeaderId == null) {
                throw new BusinessException(ResultCode.PARAM_ERROR, "无法确定接单部门负责人，请在系统设置中为接单部门配置负责人");
            }

            // 更新任务状态为待接单部门审核
            task.setApprovalStatus("pending_receiving_approval");
            task.setDemandApprovalTime(LocalDateTime.now());
            task.setCurrentApproverId(receivingLeaderId);
            task.setCurrentApproverRole("receiving_leader");
            taskMapper.updateById(task);

            // 记录审核日志
            logApproval(taskId, approverId, 1, "approve", dto.getComment());

            // 发送通知给接单部门负责人
            User receivingLeader = userMapper.selectById(receivingLeaderId);
            if (receivingLeader != null) {
            // 根据是否预先指定了设计师，调整通知内容
            String notificationContent;
            if ("assigned".equals(releaseType) && task.getReceiverId() != null) {
                User preAssignedDesigner = userMapper.selectById(task.getReceiverId());
                String designerName = preAssignedDesigner != null ? preAssignedDesigner.getRealName() : "未知";
                notificationContent = String.format("任务【%s】需要您审核确认（已预先指定设计师：%s）", task.getTitle(), designerName);
            } else {
                notificationContent = String.format("任务【%s】需要您审核并分配设计师", task.getTitle());
            }
                notificationService.sendNotification(
                    receivingLeaderId,
                    "新任务待审核",
                notificationContent,
                    "task_approval",
                    taskId
                );
            }

        log.info("需求部门负责人审核通过，任务ID：{}，审核人：{}，发布类型：{}，等待接单部门负责人审核", taskId, approverId, releaseType);
    }

    /**
     * 需求部门负责人驳回
     */
    @Transactional(rollbackFor = Exception.class)
    public void rejectByDemandLeader(Long taskId, Long approverId, String reason) {
        Task task = getTaskForApproval(taskId, "pending_demand_approval");
        validateApprover(task, approverId, "demand_leader");

        task.setApprovalStatus("rejected_by_demand");
        task.setStatus("draft");
        task.setRejectReason(reason);  // 保存驳回原因
        task.setCurrentApproverId(null);
        task.setCurrentApproverRole(null);
        taskMapper.updateById(task);

        logApproval(taskId, approverId, 1, "reject", reason);

        // 通知发起人
        notificationService.sendNotification(
            task.getPublisherId(),
            "任务已被驳回",
            String.format("您的任务【%s】被需求部门负责人驳回，原因：%s", task.getTitle(), reason),
            "task_reject",
            taskId
        );
        
        // 如果任务有指定的处理人，发送群通知告知驳回
        if (task.getReceiverId() != null) {
            try {
                com.designhub.entity.User receiver = userMapper.selectById(task.getReceiverId());
                if (receiver != null) {
                    String title = "任务已驳回";
                    StringBuilder content = new StringBuilder();
                    content.append("--------------------------------  \n");
                    content.append("      【 任 务 已 驳 回 】      \n");
                    content.append("--------------------------------  \n\n");
                    
                    content.append("任务名称：").append(task.getTitle()).append("  \n");
                    content.append("任务编号：").append(task.getTaskNo()).append("  \n");
                    content.append("原处理人：").append(receiver.getRealName()).append("  \n");
                    content.append("驳回原因：").append(reason).append("  \n");
                    
                    content.append("  \n");
                    content.append("--------------------------------");
                    
                    java.util.List<String> atMobiles = receiver.getPhone() != null ? 
                        java.util.Arrays.asList(receiver.getPhone()) : null;
                    dingTalkService.sendRobotMessage(title, content.toString(), atMobiles);
                }
            } catch (Exception e) {
                log.error("发送任务驳回群通知失败", e);
            }
        }

        log.info("需求部门负责人驳回任务，任务ID：{}，审核人：{}", taskId, approverId);
    }

    /**
     * 接单部门负责人审核通过
     * @param taskId 任务ID
     * @param approverId 审核人ID
     * @param dto 审核数据（包含备注和任务修改）
     * @param assignedReceiverId 指定的接收人ID（可选，如果任务已预先指定设计师则忽略此参数）
     */
    @Transactional(rollbackFor = Exception.class)
    public void approveReceivingLevel(Long taskId, Long approverId, TaskApprovalDTO dto, Long assignedReceiverId) {
        Task task = getTaskForApproval(taskId, "pending_receiving_approval");
        validateApprover(task, approverId, "receiving_leader");

        // 应用任务修改（如果有）
        if (dto.getTaskUpdates() != null) {
            applyTaskUpdates(task, dto.getTaskUpdates());
            logApproval(taskId, approverId, 2, "modify", dto.getComment());
        }

        // 检查任务是否已预先指定了设计师
        boolean isPreAssigned = "assigned".equals(task.getReleaseType()) && task.getReceiverId() != null;
        Long finalReceiverId = null;
        
        if (isPreAssigned) {
            // 任务已预先指定设计师，不允许修改
            if (assignedReceiverId != null && !assignedReceiverId.equals(task.getReceiverId())) {
                log.warn("任务【{}】已预先指定设计师，忽略接单部门负责人的指定操作", task.getTitle());
            }
            finalReceiverId = task.getReceiverId();
            log.info("任务【{}】使用预先指定的设计师: {}", task.getTitle(), finalReceiverId);
        } else if (assignedReceiverId != null) {
            // 接单部门负责人新指定设计师
            com.designhub.entity.User receiver = userMapper.selectById(assignedReceiverId);
            if (receiver == null) {
                throw new BusinessException(ResultCode.PARAM_ERROR, "指定的接收人不存在");
            }
            task.setReceiverId(assignedReceiverId);
            task.setReceiverDeptId(receiver.getDeptId());
            task.setReleaseType("assigned"); // 设置为指定模式
            finalReceiverId = assignedReceiverId;
            log.info("任务【{}】已指定给设计师【{}】", task.getTitle(), receiver.getRealName());
        }

        // 判断是否为流水线任务
        if (task.getIsPipeline() != null && task.getIsPipeline() == 1) {
            // 流水线任务：先保存主任务的receiverId（如果已设置），确保updatePipelineSubTasksForAssigned能读取到
            if (finalReceiverId != null) {
                task.setStatus("pending"); // 临时状态，splitIntoPipelineSubTasks会更新
                taskMapper.updateById(task);
                log.info("流水线任务主任务receiverId已保存：taskId={}, receiverId={}", task.getId(), finalReceiverId);
            }
            // 拆分子任务
            splitIntoPipelineSubTasks(task);
        } else {
            // 普通任务：根据是否有接收人设置状态
            if (finalReceiverId != null) {
                // 如果接收人部门ID还没设置，需要设置
                if (task.getReceiverDeptId() == null) {
                    com.designhub.entity.User receiver = userMapper.selectById(finalReceiverId);
                    if (receiver != null) {
                        task.setReceiverDeptId(receiver.getDeptId());
                    }
                }
                
                task.setStatus("in_progress"); // 指定接单直接进入进行中状态
                LocalDateTime now = LocalDateTime.now();
                task.setStartTime(now);
                task.setActualStartTime(now);
                
                // 重新计算deadline：从接单时间开始计算（使用工作时间计算）
                if (task.getEstimatedHours() != null && task.getEstimatedHours().compareTo(java.math.BigDecimal.ZERO) > 0) {
                    task.setDeadline(workHoursCalculator.calculateDeadline(now, task.getEstimatedHours()));
                    log.info("任务deadline已重新计算：从接单时间 {} 开始，预估 {} 小时，截止时间 {}", 
                            now, task.getEstimatedHours(), task.getDeadline());
                }
            } else {
                task.setStatus("pending"); // 未指定则发布到大厅
            }
        }

        // 更新审核状态
        task.setApprovalStatus("approved");
        task.setReceivingApprovalTime(LocalDateTime.now());
        task.setCurrentApproverId(null);
        task.setCurrentApproverRole(null);
        taskMapper.updateById(task);

        // 扣除部门积分
        try {
            teamScorePoolService.deductScore(task.getPublisherDeptId(), task.getScore());
        } catch (Exception e) {
            log.error("扣除部门积分失败", e);
            throw new BusinessException(ResultCode.ERROR, "扣除部门积分失败：" + e.getMessage());
        }

        // 记录审核日志
        String logComment = dto.getComment();
        if (finalReceiverId != null) {
            com.designhub.entity.User receiver = userMapper.selectById(finalReceiverId);
            String assignNote = isPreAssigned ? "（预先指定）" : "";
            logComment = (logComment != null ? logComment + "；" : "") + 
                        "已指定给设计师" + assignNote + "：" + (receiver != null ? receiver.getRealName() : finalReceiverId);
        }
        logApproval(taskId, approverId, 2, "approve", logComment);

        // 发送钉钉通知
        // 对于流水线任务，需要给第一个部门的所有子任务设计师发送通知
        java.util.Set<Long> notifiedReceiverIds = new java.util.HashSet<>();
        
        if (task.getIsPipeline() != null && task.getIsPipeline() == 1) {
            // 流水线任务：查询第一个部门的所有子任务，给每个设计师发送通知
            List<TaskItem> firstDeptItems = taskItemMapper.selectList(
                new LambdaQueryWrapper<TaskItem>()
                    .eq(TaskItem::getTaskId, task.getId())
                    .eq(TaskItem::getStatus, "in_progress")
                    .isNotNull(TaskItem::getReceiverId)
            );
            
            for (TaskItem item : firstDeptItems) {
                if (item.getReceiverId() != null && !notifiedReceiverIds.contains(item.getReceiverId())) {
                    notifiedReceiverIds.add(item.getReceiverId());
                    sendTaskAssignedNotification(task, item.getReceiverId(), isPreAssigned);
                }
            }
            log.info("流水线任务【{}】已通知 {} 个设计师", task.getTitle(), notifiedReceiverIds.size());
        } else if (finalReceiverId != null) {
            // 普通任务：只通知一个设计师
            sendTaskAssignedNotification(task, finalReceiverId, isPreAssigned);
            notifiedReceiverIds.add(finalReceiverId);
            log.info("普通任务【{}】已通知设计师: {}", task.getTitle(), finalReceiverId);
        }
        
        // 如果没有指定设计师（发布到大厅），发送群通知
        if (notifiedReceiverIds.isEmpty()) {
            log.info("任务【{}】已发布到任务大厅，准备发送钉钉群通知", task.getTitle());
            // 任务发布到大厅，发送钉钉群机器人通知
            // 注意：钉钉Markdown换行需要两个空格+换行符
            try {
                String title = "新任务发布";
                StringBuilder content = new StringBuilder();
                
                // 基本信息
                content.append("**任务名称**：").append(task.getTitle()).append("  \n");
                content.append("**任务编号**：").append(task.getTaskNo()).append("  \n");
                
                // 任务详情
                if (task.getBrandName() != null && !task.getBrandName().isEmpty()) {
                    content.append("**品牌**：").append(task.getBrandName()).append("  \n");
                }
                if (task.getPlatformName() != null && !task.getPlatformName().isEmpty()) {
                    content.append("**平台**：").append(task.getPlatformName()).append("  \n");
                }
                if (task.getSpuInfo() != null && !task.getSpuInfo().isEmpty()) {
                    content.append("**SPU**：").append(task.getSpuInfo()).append("  \n");
                }
                if (task.getTaskSubType() != null && !task.getTaskSubType().isEmpty()) {
                    content.append("**任务类型**：").append(task.getTaskSubType()).append("  \n");
                }
                
                content.append("  \n");
                
                // 查询子任务获取任务类型明细
                List<TaskItem> taskItems = taskItemMapper.selectList(
                    new LambdaQueryWrapper<TaskItem>()
                        .eq(TaskItem::getTaskId, task.getId())
                        .orderByAsc(TaskItem::getGroupNo)
                );
                
                if (!taskItems.isEmpty()) {
                    content.append("**任务明细**：  \n");
                    for (TaskItem item : taskItems) {
                        // 通过任务类型ID获取接单部门名称
                        String deptName = "未指定";
                        if (item.getTaskTypeId() != null) {
                            try {
                                DemandType demandType = configService.getDemandTypeById(item.getTaskTypeId());
                                if (demandType != null && demandType.getAllowedDeptIds() != null && !demandType.getAllowedDeptIds().isEmpty()) {
                                    String[] deptIds = demandType.getAllowedDeptIds().split(",");
                                    Long firstDeptId = Long.parseLong(deptIds[0].trim());
                                    Department dept = departmentMapper.selectById(firstDeptId);
                                    if (dept != null) {
                                        deptName = dept.getDeptName();
                                    }
                                }
                            } catch (Exception e) {
                                log.warn("获取部门名称失败: {}", e.getMessage());
                            }
                        }
                        
                        // 格式化工时显示
                        String hoursDisplay = formatEstimatedHours(item.getEstimatedHours());
                        
                        content.append("  \n");
                        content.append("▸ **").append(deptName).append("** | ")
                               .append(item.getTotalScore()).append("分 | ")
                               .append(hoursDisplay).append("  \n");
                        
                        // 解析并显示任务类型明细
                        if (item.getTypeDetails() != null && !item.getTypeDetails().isEmpty()) {
                            try {
                                @SuppressWarnings("unchecked")
                                List<java.util.Map<String, Object>> typeDetails = 
                                    objectMapper.readValue(item.getTypeDetails(), List.class);
                                for (java.util.Map<String, Object> detail : typeDetails) {
                                    String typeName = String.valueOf(detail.get("typeName"));
                                    Object qtyObj = detail.get("quantity");
                                    Object scoreObj = detail.get("totalScore");
                                    int qty = qtyObj instanceof Number ? ((Number) qtyObj).intValue() : 1;
                                    String score = scoreObj != null ? String.valueOf(scoreObj) : "0";
                                    content.append("　　└ ").append(typeName)
                                           .append(" ×").append(qty)
                                           .append(" = ").append(score).append("分  \n");
                                }
                            } catch (Exception e) {
                                log.warn("解析任务类型明细失败: {}", e.getMessage());
                            }
                        }
                    }
                } else {
                    // 没有子任务时显示总积分和工时
                    content.append("**任务积分**：").append(task.getScore()).append(" 分  \n");
                if (task.getEstimatedHours() != null) {
                        content.append("**预估工时**：").append(formatEstimatedHours(task.getEstimatedHours())).append("  \n");
                    }
                }
                
                content.append("  \n");
                
                // 发起人信息
                if (task.getPublisherName() != null && !task.getPublisherName().isEmpty()) {
                    content.append("**发起人**：").append(task.getPublisherName()).append("  \n");
                }
                if (task.getPublisherDeptName() != null && !task.getPublisherDeptName().isEmpty()) {
                    content.append("**发起部门**：").append(task.getPublisherDeptName()).append("  \n");
                }
                
                content.append("  \n");
                content.append("点击下方按钮查看详情");
                
                log.info("准备调用钉钉机器人发送消息，title={}", title);
                boolean success = dingTalkService.sendRobotMessage(title, content.toString());
                if (success) {
                    log.info("任务【{}】钉钉群通知发送成功", task.getTitle());
                } else {
                    log.warn("任务【{}】钉钉群通知发送失败（返回false）", task.getTitle());
                }
            } catch (Exception e) {
                log.error("发送钉钉群通知异常：taskId={}, error={}", taskId, e.getMessage(), e);
                // 通知发送失败不影响主流程
            }
        }

        log.info("接单部门负责人审核通过，任务ID：{}，审核人：{}，指定接收人：{}", 
                taskId, approverId, assignedReceiverId);
    }

    /**
     * 接单部门负责人审核通过（重载方法，保持向后兼容）
     */
    @Transactional(rollbackFor = Exception.class)
    public void approveReceivingLevel(Long taskId, Long approverId, TaskApprovalDTO dto) {
        approveReceivingLevel(taskId, approverId, dto, null);
    }

    /**
     * 接单部门负责人驳回
     */
    @Transactional(rollbackFor = Exception.class)
    public void rejectByReceivingLeader(Long taskId, Long approverId, String reason) {
        Task task = getTaskForApproval(taskId, "pending_receiving_approval");
        validateApprover(task, approverId, "receiving_leader");

        // 退回给需求部门负责人
        Department demandDept = departmentMapper.selectById(task.getPublisherDeptId());
        if (demandDept == null || demandDept.getLeaderId() == null) {
            throw new BusinessException(ResultCode.PARAM_ERROR, "需求部门负责人不存在");
        }

        task.setApprovalStatus("rejected_by_receiving");
        task.setStatus("draft");
        task.setRejectReason(reason);  // 保存驳回原因
        task.setCurrentApproverId(demandDept.getLeaderId());
        task.setCurrentApproverRole("demand_leader");
        taskMapper.updateById(task);

        logApproval(taskId, approverId, 2, "reject", reason);

        // 通知需求部门负责人
        notificationService.sendNotification(
            demandDept.getLeaderId(),
            "任务已被驳回",
            String.format("任务【%s】被接单部门负责人驳回，原因：%s", task.getTitle(), reason),
            "task_reject",
            taskId
        );
        
        // 如果任务有指定的处理人，发送群通知告知驳回
        if (task.getReceiverId() != null) {
            try {
                com.designhub.entity.User receiver = userMapper.selectById(task.getReceiverId());
                if (receiver != null) {
                    String title = "任务已驳回";
                    StringBuilder content = new StringBuilder();
                    content.append("--------------------------------  \n");
                    content.append("      【 任 务 已 驳 回 】      \n");
                    content.append("--------------------------------  \n\n");
                    
                    content.append("任务名称：").append(task.getTitle()).append("  \n");
                    content.append("任务编号：").append(task.getTaskNo()).append("  \n");
                    content.append("原处理人：").append(receiver.getRealName()).append("  \n");
                    content.append("驳回原因：").append(reason).append("  \n");
                    
                    content.append("  \n");
                    content.append("--------------------------------");
                    
                    java.util.List<String> atMobiles = receiver.getPhone() != null ? 
                        java.util.Arrays.asList(receiver.getPhone()) : null;
                    dingTalkService.sendRobotMessage(title, content.toString(), atMobiles);
                }
            } catch (Exception e) {
                log.error("发送任务驳回群通知失败", e);
            }
        }

        log.info("接单部门负责人驳回任务，任务ID：{}，审核人：{}", taskId, approverId);
    }

    /**
     * 获取待审核任务列表
     * 管理员可以看到所有待审核任务
     */
    public List<Task> getPendingApprovalTasks(Long userId) {
        // 检查用户是否是管理员
        User user = userMapper.selectById(userId);
        boolean isAdmin = user != null && Integer.valueOf(1).equals(user.getIsAdmin());
        
        LambdaQueryWrapper<Task> wrapper = new LambdaQueryWrapper<>();
        wrapper.in(Task::getApprovalStatus, "pending_demand_approval", "pending_receiving_approval");
        
        // 非管理员只能看到分配给自己的待审核任务
        if (!isAdmin) {
            wrapper.eq(Task::getCurrentApproverId, userId);
        }
        
        wrapper.orderByDesc(Task::getCreateTime);
        
        List<Task> tasks = taskMapper.selectList(wrapper);
        
        // 填充关联信息
        for (Task task : tasks) {
            // 填充发起人姓名
            if (task.getPublisherId() != null) {
                User publisher = userMapper.selectById(task.getPublisherId());
                if (publisher != null) {
                    task.setPublisherName(publisher.getUsername());
                }
            }
            
            // 填充发起部门名称
            if (task.getPublisherDeptId() != null) {
                Department dept = departmentMapper.selectById(task.getPublisherDeptId());
                if (dept != null) {
                    task.setPublisherDeptName(dept.getDeptName());
                }
            }
            
            // 填充品牌名称
            if (task.getBrandId() != null) {
                Brand brand = brandMapper.selectById(task.getBrandId());
                if (brand != null) {
                    // Brand实体类中name字段映射到brand_name，使用getName()
                    task.setBrandName(brand.getName());
                } else {
                    log.warn("任务 {} 品牌ID {} 不存在", task.getId(), task.getBrandId());
                }
            }
            
            // 填充类目名称
            if (task.getCategoryId() != null) {
                Category category = categoryMapper.selectById(task.getCategoryId());
                if (category != null) {
                    // Category实体类中name字段映射到category_name，使用getName()
                    task.setCategoryName(category.getName());
                } else {
                    log.warn("任务 {} 类目ID {} 不存在", task.getId(), task.getCategoryId());
                }
            }
            
            // 填充平台名称
            if (task.getPlatformId() != null) {
                Platform platform = platformMapper.selectById(task.getPlatformId());
                if (platform != null) {
                    // Platform实体类中name字段映射到platform_name，使用getName()
                    task.setPlatformName(platform.getName());
                } else {
                    log.warn("任务 {} 平台ID {} 不存在", task.getId(), task.getPlatformId());
                }
            }
            
            // 填充当前审核人姓名
            if (task.getCurrentApproverId() != null) {
                User approver = userMapper.selectById(task.getCurrentApproverId());
                if (approver != null) {
                    task.setCurrentApproverName(approver.getRealName() != null ? approver.getRealName() : approver.getUsername());
                }
            }
        }
        
        return tasks;
    }

    /**
     * 获取任务并验证审核状态
     */
    private Task getTaskForApproval(Long taskId, String expectedStatus) {
        Task task = taskMapper.selectById(taskId);
        if (task == null) {
            throw new BusinessException(ResultCode.NOT_FOUND, "任务不存在");
        }
        if (!expectedStatus.equals(task.getApprovalStatus())) {
            throw new BusinessException(ResultCode.TASK_STATUS_ERROR, 
                "任务当前状态不允许此操作，当前状态：" + task.getApprovalStatus());
        }
        return task;
    }

    /**
     * 验证审核人权限
     * 管理员可以代审核所有任务
     */
    private void validateApprover(Task task, Long approverId, String expectedRole) {
        // 检查是否是管理员，管理员可以代审核所有任务
        User approver = userMapper.selectById(approverId);
        if (approver != null && Integer.valueOf(1).equals(approver.getIsAdmin())) {
            log.info("管理员 {} 代审核任务 {}", approver.getRealName(), task.getId());
            return; // 管理员绕过权限验证
        }
        
        if (!approverId.equals(task.getCurrentApproverId())) {
            throw new BusinessException(ResultCode.FORBIDDEN, "您无权审核此任务");
        }
        if (!expectedRole.equals(task.getCurrentApproverRole())) {
            throw new BusinessException(ResultCode.FORBIDDEN, "审核角色不匹配");
        }
    }

    /**
     * 确定接单部门负责人（支持三级分类继承二级分类的配置）
     */
    private Long determineReceivingLeader(Task task) {
        // 根据任务类型的allowedDeptIds确定接单部门
        // 简化版本：取第一个任务类型的第一个允许部门
        String taskTypeIds = task.getTaskTypeIds();
        if (taskTypeIds == null || taskTypeIds.isEmpty()) {
            return null;
        }

        String[] typeIdArray = taskTypeIds.split(",");
        for (String typeIdStr : typeIdArray) {
            try {
                Long typeId = Long.parseLong(typeIdStr.trim());
                DemandType demandType = configService.getDemandTypeById(typeId);
                if (demandType != null) {
                    // 获取允许的部门ID（支持继承）
                    String allowedDeptIds = demandType.getAllowedDeptIds();
                    if ((allowedDeptIds == null || allowedDeptIds.isEmpty()) && demandType.getParentId() != null) {
                        // 三级分类没有配置，尝试获取父级（二级分类）的配置
                        DemandType parentType = configService.getDemandTypeById(demandType.getParentId());
                        if (parentType != null) {
                            allowedDeptIds = parentType.getAllowedDeptIds();
                        }
                    }
                    
                    if (allowedDeptIds != null && !allowedDeptIds.isEmpty()) {
                        String[] deptIds = allowedDeptIds.split(",");
                    if (deptIds.length > 0) {
                        Long deptId = Long.parseLong(deptIds[0].trim());
                        Department dept = departmentMapper.selectById(deptId);
                        if (dept != null && dept.getLeaderId() != null) {
                            return dept.getLeaderId();
                            }
                        }
                    }
                }
            } catch (Exception e) {
                log.error("解析任务类型或部门ID失败", e);
            }
        }
        return null;
    }

    /**
     * 应用任务更新
     */
    private void applyTaskUpdates(Task task, TaskUpdateDTO updates) {
        if (updates.getTitle() != null) {
            task.setTitle(updates.getTitle());
        }
        if (updates.getTaskSubType() != null) {
            task.setTaskSubType(updates.getTaskSubType());
        }
        if (updates.getBrandId() != null) {
            task.setBrandId(updates.getBrandId());
        }
        if (updates.getPlatformId() != null) {
            task.setPlatformId(updates.getPlatformId());
        }
        if (updates.getCategoryId() != null) {
            task.setCategoryId(updates.getCategoryId());
        }
        if (updates.getSpuInfo() != null) {
            task.setSpuInfo(updates.getSpuInfo());
        }
        if (updates.getRemark() != null) {
            task.setRemark(updates.getRemark());
        }
        if (updates.getAttachmentUrl() != null) {
            task.setAttachmentUrl(updates.getAttachmentUrl());
        }
        // 如果修改了任务类型和数量，需要重新计算积分
        if (updates.getTaskTypes() != null && !updates.getTaskTypes().isEmpty()) {
            String taskTypeIds = updates.getTaskTypes().stream()
                .map(t -> String.valueOf(t.getTaskTypeId()))
                .collect(Collectors.joining(","));
            task.setTaskTypeIds(taskTypeIds);
            
            // 如果只有一个任务类型，更新quantity字段
            if (updates.getTaskTypes().size() == 1) {
                task.setQuantity(updates.getTaskTypes().get(0).getQuantity());
            }
            
            // 重新计算积分
            int totalScore = taskService.calculateTotalScore(updates.getTaskTypes());
            task.setScore(totalScore);
        }
    }

    /**
     * 拆分为流水线子任务
     */
    private void splitIntoPipelineSubTasks(Task task) {
        try {
            // 构建流水线任务DTO
            PipelineTaskDTO dto = new PipelineTaskDTO();
            dto.setTitle(task.getTitle());
            dto.setTaskSubType(task.getTaskSubType());
            dto.setBrandId(task.getBrandId());
            dto.setPlatformId(task.getPlatformId());
            dto.setCategoryId(task.getCategoryId());
            dto.setSpuInfo(task.getSpuInfo());
            dto.setRemark(task.getRemark());
            dto.setAttachmentUrl(task.getAttachmentUrl());
            dto.setPipelineMode(task.getPipelineMode());
            dto.setReleaseType(task.getReleaseType()); // 传递发布类型
            
            // 解析任务类型
            String[] taskTypeIds = task.getTaskTypeIds().split(",");
            List<PipelineTaskDTO.TaskItemDTO> items = new java.util.ArrayList<>();
            
            // 简化版本：所有任务类型使用相同的数量（task.quantity）
            int quantity = task.getQuantity() != null ? task.getQuantity() : 1;
            
            for (String taskTypeIdStr : taskTypeIds) {
                PipelineTaskDTO.TaskItemDTO item = new PipelineTaskDTO.TaskItemDTO();
                item.setTaskTypeId(Long.parseLong(taskTypeIdStr.trim()));
                item.setQuantity(quantity);
                items.add(item);
            }
            dto.setItems(items);
            
            // 调用TaskService创建流水线子任务
            taskService.createPipelineTaskItems(task, dto);
            
            // 根据发布类型设置主任务状态
            if ("recruitment".equals(task.getReleaseType())) {
                // recruitment模式：发布到任务大厅
                task.setStatus("pending");
            } else if ("assigned".equals(task.getReleaseType()) && task.getReceiverId() != null) {
                // assigned模式：如果指定了接收人，主任务直接进入进行中状态
                task.setStatus("in_progress");
                LocalDateTime now = LocalDateTime.now();
                task.setStartTime(now);
                task.setActualStartTime(now);
                
                // 重新计算deadline：从接单时间开始计算（使用工作时间计算）
                if (task.getEstimatedHours() != null && task.getEstimatedHours().compareTo(java.math.BigDecimal.ZERO) > 0) {
                    task.setDeadline(workHoursCalculator.calculateDeadline(now, task.getEstimatedHours()));
                }
                
                // 更新子任务状态为in_progress（第一组或全部，取决于流水线模式）
                taskService.updatePipelineSubTasksForAssigned(task.getId(), dto.getPipelineMode());
                log.info("指派流水线任务已设置为进行中：taskId={}, receiverId={}", task.getId(), task.getReceiverId());
            } else {
                // default模式或其他模式：流水线任务的主任务状态设置为pending
                // 子任务会根据is_locked字段控制可见性
                task.setStatus("pending");
            }
            
        } catch (Exception e) {
            log.error("拆分流水线任务失败", e);
            throw new BusinessException(ResultCode.ERROR, "拆分流水线任务失败：" + e.getMessage());
        }
    }

    /**
     * 记录审核日志
     */
    private void logApproval(Long taskId, Long approverId, Integer level, String action, String comment) {
        try {
            User approver = userMapper.selectById(approverId);
            
            TaskApprovalLog log = new TaskApprovalLog();
            log.setTaskId(taskId);
            log.setApprovalLevel(level);
            log.setApproverId(approverId);
            log.setApproverName(approver != null ? approver.getRealName() : null);
            log.setAction(action);
            log.setComment(comment);
            log.setCreateTime(LocalDateTime.now());
            
            approvalLogMapper.insert(log);
        } catch (Exception e) {
            this.log.error("记录审核日志失败", e);
        }
    }

    /**
     * 格式化预估工时显示（基于工作时间配置）
     */
    private String formatEstimatedHours(java.math.BigDecimal hours) {
        if (hours == null) {
            return "未设置";
        }
        String formatted = workHoursCalculator.formatWorkHours(hours);
        // WorkHoursCalculator 返回 "--" 表示无效，这里保持 "未设置" 的语义
        return "--".equals(formatted) ? "未设置" : formatted;
    }
    
    /**
     * 发送任务指派通知给设计师
     * @param task 任务
     * @param receiverId 接收人ID
     * @param isPreAssigned 是否预先指定
     */
    private void sendTaskAssignedNotification(Task task, Long receiverId, boolean isPreAssigned) {
        try {
            com.designhub.entity.User receiver = userMapper.selectById(receiverId);
            if (receiver == null) {
                log.warn("接收人不存在: {}", receiverId);
                return;
            }
            String receiverName = receiver.getRealName();
            String receiverPhone = receiver.getPhone();
            
            // 构建通知内容
            StringBuilder content = new StringBuilder();
            
            // 基本信息
            content.append("**任务名称**：").append(task.getTitle()).append("  \n");
            content.append("**任务编号**：").append(task.getTaskNo()).append("  \n");
            
            // 任务详情
            if (task.getBrandName() != null && !task.getBrandName().isEmpty()) {
                content.append("**品牌**：").append(task.getBrandName()).append("  \n");
            }
            if (task.getPlatformName() != null && !task.getPlatformName().isEmpty()) {
                content.append("**平台**：").append(task.getPlatformName()).append("  \n");
            }
            if (task.getSpuInfo() != null && !task.getSpuInfo().isEmpty()) {
                content.append("**SPU**：").append(task.getSpuInfo()).append("  \n");
            }
            if (task.getTaskSubType() != null && !task.getTaskSubType().isEmpty()) {
                content.append("**任务类型**：").append(task.getTaskSubType()).append("  \n");
            }
            
            content.append("  \n");
            
            // 查询该设计师负责的子任务
            List<TaskItem> receiverItems = taskItemMapper.selectList(
                new LambdaQueryWrapper<TaskItem>()
                    .eq(TaskItem::getTaskId, task.getId())
                    .eq(TaskItem::getReceiverId, receiverId)
                    .orderByAsc(TaskItem::getGroupNo)
            );
            
            if (!receiverItems.isEmpty()) {
                content.append("**您负责的任务明细**：  \n");
                for (TaskItem item : receiverItems) {
                    // 通过任务类型ID获取接单部门名称
                    String deptName = "未指定";
                    if (item.getTaskTypeId() != null) {
                        try {
                            DemandType demandType = configService.getDemandTypeById(item.getTaskTypeId());
                            if (demandType != null && demandType.getAllowedDeptIds() != null && !demandType.getAllowedDeptIds().isEmpty()) {
                                String[] deptIds = demandType.getAllowedDeptIds().split(",");
                                Long firstDeptId = Long.parseLong(deptIds[0].trim());
                                Department dept = departmentMapper.selectById(firstDeptId);
                                if (dept != null) {
                                    deptName = dept.getDeptName();
                                }
                            }
                        } catch (Exception e) {
                            log.warn("获取部门名称失败: {}", e.getMessage());
                        }
                    }
                    
                    // 格式化工时显示
                    String hoursDisplay = formatEstimatedHours(item.getEstimatedHours());
                    
                    content.append("  \n");
                    content.append("▸ **").append(deptName).append("** | ")
                           .append(item.getTotalScore()).append("分 | ")
                           .append(hoursDisplay).append("  \n");
                    
                    // 解析并显示任务类型明细
                    if (item.getTypeDetails() != null && !item.getTypeDetails().isEmpty()) {
                        try {
                            @SuppressWarnings("unchecked")
                            List<java.util.Map<String, Object>> typeDetails = 
                                objectMapper.readValue(item.getTypeDetails(), List.class);
                            for (java.util.Map<String, Object> detail : typeDetails) {
                                String typeName = String.valueOf(detail.get("typeName"));
                                Object qtyObj = detail.get("quantity");
                                Object scoreObj = detail.get("totalScore");
                                int qty = qtyObj instanceof Number ? ((Number) qtyObj).intValue() : 1;
                                String score = scoreObj != null ? String.valueOf(scoreObj) : "0";
                                content.append("　　└ ").append(typeName)
                                       .append(" ×").append(qty)
                                       .append(" = ").append(score).append("分  \n");
                            }
                        } catch (Exception e) {
                            log.warn("解析任务类型明细失败: {}", e.getMessage());
                        }
                    }
                }
            } else {
                // 没有子任务时显示总积分和工时
                content.append("**任务积分**：").append(task.getScore()).append(" 分  \n");
                if (task.getEstimatedHours() != null) {
                    content.append("**预估工时**：").append(formatEstimatedHours(task.getEstimatedHours())).append("  \n");
                }
            }
            
            content.append("  \n");
            
            // 发起人信息
            if (task.getPublisherName() != null && !task.getPublisherName().isEmpty()) {
                content.append("**发起人**：").append(task.getPublisherName()).append("  \n");
            }
            if (task.getPublisherDeptName() != null && !task.getPublisherDeptName().isEmpty()) {
                content.append("**发起部门**：").append(task.getPublisherDeptName()).append("  \n");
            }
            
            // 指派信息
            content.append("**指派给**：").append(receiverName).append("  \n");
            
            content.append("  \n");
            content.append("点击下方按钮查看详情");
            
            // 发送个人钉钉通知给设计师
            Notification notification = new Notification();
            notification.setReceiverId(receiverId);
            notification.setTitle("任务已指派");
            notification.setContent(content.toString());
            notification.setNotificationType("TASK_ASSIGNED");
            notification.setRelatedType("task");
            notification.setRelatedId(task.getId());
            notification.setPushDingtalk(1); // 推送到钉钉
            notificationService.sendNotification(notification);
            log.info("任务指派个人通知已发送给设计师: userId={}, name={}", receiverId, receiverName);
            
            // 只有非预先指定的任务才发送群通知（预先指定的任务只发送个人通知）
            if (!isPreAssigned) {
                java.util.List<String> atMobiles = receiverPhone != null ? 
                    java.util.Arrays.asList(receiverPhone) : null;
                dingTalkService.sendRobotMessage("任务已指派", content.toString(), atMobiles);
                log.info("任务指派群通知已发送，@手机号: {}", receiverPhone);
            } else {
                log.info("任务【{}】为预先指定任务，只发送个人通知，不发送群通知", task.getTitle());
            }
        } catch (Exception e) {
            log.error("发送任务指派通知失败: receiverId={}", receiverId, e);
        }
    }
}