/*
 *      Copyright (c) 2018-2028, Chill Zhuang All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice,
 *  this list of conditions and the following disclaimer.
 *  Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in the
 *  documentation and/or other materials provided with the distribution.
 *  Neither the name of the dreamlu.net developer nor the names of its
 *  contributors may be used to endorse or promote products derived from
 *  this software without specific prior written permission.
 *  Author: Chill 庄骞 (smallchill@163.com)
 */
package org.sxkj.gd.workorder.service.impl;

import com.baomidou.mybatisplus.core.conditions.Wrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import org.apache.commons.lang3.StringUtils;
import org.springblade.core.mp.base.BaseServiceImpl;
import org.springblade.core.secure.utils.AuthUtil;
import org.springblade.core.tool.utils.DateUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.sxkj.common.constant.WordOrderConstant;
import org.sxkj.common.utils.OrderNumUtils;
import org.springblade.core.tool.api.R;
import org.springblade.core.tool.constant.BladeConstant;
import org.springblade.core.tool.utils.StringUtil;
import org.sxkj.gd.workorder.entity.GdPatrolTaskEntity;
import org.sxkj.gd.workorder.entity.GdTaskResultEntity;
import org.sxkj.gd.workorder.entity.GdWorkOrderEntity;
import org.sxkj.gd.workorder.entity.GdWorkOrderFlowEntity;
import org.sxkj.gd.workorder.enums.PatrolTaskStatusEnum;
import org.sxkj.gd.workorder.enums.WorkOrderStatusEnum;
import org.sxkj.gd.workorder.enums.WorkOrderTypeEnum;
import org.sxkj.gd.workorder.excel.GdPatrolTaskExcel;
import org.sxkj.gd.workorder.mapper.GdPatrolTaskMapper;
import org.sxkj.gd.workorder.param.GdPatrolTaskAuditParam;
import org.sxkj.gd.workorder.param.GdPatrolTaskPageParam;
import org.sxkj.gd.workorder.service.IGdPatrolTaskService;
import org.sxkj.gd.workorder.service.IGdTaskResultService;
import org.sxkj.gd.workorder.service.IGdWorkOrderFlowService;
import org.sxkj.gd.workorder.utils.GdPatrolReportWordUtil;
import org.sxkj.gd.workorder.vo.GdPatrolTaskVO;
import org.sxkj.system.entity.Dept;
import org.sxkj.system.entity.User;
import org.sxkj.system.feign.ISysClient;
import org.sxkj.system.feign.IUserClient;

import java.io.File;
import java.util.Date;
import java.util.List;

/**
 * 巡查任务表 服务实现类
 *
 * @author lw
 * @since 2026-01-14
 */
@Service
public class GdPatrolTaskServiceImpl extends BaseServiceImpl<GdPatrolTaskMapper, GdPatrolTaskEntity> implements IGdPatrolTaskService {

    @Autowired
    private IGdWorkOrderFlowService gdWorkOrderFlowService;

    // @Autowired
    // private IGdWorkOrderService gdWorkOrderService;
	@Autowired
	private ISysClient sysClient;
	@Autowired
	private IUserClient userClient;
	@Autowired
	private IGdTaskResultService gdTaskResultService;
    @Override
    public IPage<GdPatrolTaskVO> selectGdPatrolTaskPage(IPage<GdPatrolTaskVO> page, GdPatrolTaskPageParam gdPatrolTask, List<Long> deptIdList) {
        return page.setRecords(baseMapper.selectGdPatrolTaskPage(page, gdPatrolTask, deptIdList));
    }


    @Override
    public List<GdPatrolTaskExcel> exportGdPatrolTask(Wrapper<GdPatrolTaskEntity> queryWrapper) {
        List<GdPatrolTaskExcel> gdPatrolTaskList = baseMapper.exportGdPatrolTask(queryWrapper);
        // gdPatrolTaskList.forEach(gdPatrolTask -> {
        //	gdPatrolTask.setTypeName(DictCache.getValue(DictEnum.YES_NO, GdPatrolTask.getType()));
        //});
        return gdPatrolTaskList;
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public boolean savePatrolTask(List<GdPatrolTaskEntity> taskEntityList) {
        // 更新流程节点
        for (GdPatrolTaskEntity gdPatrolTaskEntity : taskEntityList) {
            // 生成巡查任务编号
            if (StringUtils.isBlank(gdPatrolTaskEntity.getTaskNo())) {
                // 使用时间戳生成唯一巡查任务编号
                String timestamp = OrderNumUtils.initOrderNum(WordOrderConstant.PATROL_TASK_KEY);
                gdPatrolTaskEntity.setTaskNo(WordOrderConstant.PATROL_TASK_PREFIX + timestamp);
            }

            // 设置初始状态为待签收（对应流程图：等待接单）
            gdPatrolTaskEntity.setTaskStatus(PatrolTaskStatusEnum.PENDING_SIGNING.getValue());

            // 保存巡逻任务
            boolean save = save(gdPatrolTaskEntity);
            if (!save) {
                // 任务保存失败，抛出异常触发回滚
                throw new RuntimeException("保存巡逻任务失败：" + gdPatrolTaskEntity.toString());
            }

            // 保存流转记录（发布任务，等待接单）
            GdWorkOrderFlowEntity gdWorkOrderFlowEntity = new GdWorkOrderFlowEntity();
            gdWorkOrderFlowEntity.setCreateUser(AuthUtil.getUserId());
            gdWorkOrderFlowEntity.setWorkOrderId(gdPatrolTaskEntity.getId());
            gdWorkOrderFlowEntity.setFlowName("任务发布");
            gdWorkOrderFlowEntity.setFlowDesc(AuthUtil.getUserName() + " " + DateUtil.format(new Date(), "yyyy-MM-dd HH:mm:ss") + " 发布任务，等待接单");
            gdWorkOrderFlowEntity.setOperator(AuthUtil.getUserName());
            gdWorkOrderFlowEntity.setType(WorkOrderTypeEnum.PATROL_TASK.getValue());
            gdWorkOrderFlowEntity.setAreaCode(gdPatrolTaskEntity.getAreaCode());
            gdWorkOrderFlowEntity.setCreateDept(Long.valueOf(AuthUtil.getDeptId()));
            boolean save1 = gdWorkOrderFlowService.save(gdWorkOrderFlowEntity);
            if (!save1) {
                // 流转记录保存失败，抛出异常触发回滚
                throw new RuntimeException("保存流转记录失败：" + gdWorkOrderFlowEntity.toString());
            }
        }

        // 所有任务和流转记录都保存成功
        return true;
    }

    /**
     * 审核巡查任务
     *
     * @param auditParam 审核参数，包含任务ID、审核状态和拒绝原因
     * @return 是否审核成功
     * @throws RuntimeException 当任务不存在、状态不允许转换或操作失败时抛出
     */
    @Override
    @Transactional(rollbackFor = Exception.class)
    public boolean auditPatrolTask(GdPatrolTaskAuditParam auditParam) {
        // 1. 获取巡查任务
        GdPatrolTaskEntity task = getById(auditParam.getId());
        if (task == null) {
            throw new RuntimeException("巡查任务不存在");
        }

        // 2. 状态权限校验
        PatrolTaskStatusEnum currentStatus = PatrolTaskStatusEnum.getByValue(task.getTaskStatus());
        Integer auditStatus = auditParam.getAuditStatus();
        if (currentStatus == null || !currentStatus.isAllowedTransition(auditStatus)) {
            throw new RuntimeException("当前任务状态无法进行该操作");
        }
        // 1.同意签收、2.拒绝签收 、3.撤回任务 、4.同意审核、 5.拒绝审核、 6.验收通过、 7.验收拒绝
        // 3. 确定新状态和流转名称
        PatrolTaskStatusEnum newStatusEnum;
        switch (auditStatus) {
            case 1: // 接单
                newStatusEnum = PatrolTaskStatusEnum.PENDING_AUDIT;
                break;
            case 2: // 拒接接单
                newStatusEnum = PatrolTaskStatusEnum.REJECTED_SIGNING;
                break;
            case 3: // 撤回任务
                newStatusEnum = PatrolTaskStatusEnum.WITHDRAWN;
                break;
            case 4: // 同意审核
                newStatusEnum = PatrolTaskStatusEnum.AUDIT_PASSED;
                break;
            case 5: // 拒绝审核
                newStatusEnum = PatrolTaskStatusEnum.AUDIT_REJECTED;
                break;
            case 6: // 验收通过
                newStatusEnum = PatrolTaskStatusEnum.ACCEPTANCE_PASSED;
                break;
            case 7: // 验收拒绝
                newStatusEnum = PatrolTaskStatusEnum.REJECTED_ACCEPTANCE;
				break;
            default: // 无效操作类型
                return false;
        }

        // 4. 更新任务状态
        Date now = new Date();
        task.setTaskStatus(newStatusEnum.getValue());
        task.setUpdateUser(AuthUtil.getUserId());
        task.setUpdateTime(now);
		task.setRejectReason(auditParam.getRejectReason());
        boolean updateResult = updateById(task);
        if (!updateResult) {
            throw new RuntimeException("更新任务状态失败");
        }

        // 5. 保存流转记录
        boolean b = saveWorkOrderFlow(task.getId(), newStatusEnum, auditParam.getRejectReason(), task.getAreaCode());
        // 6. 判断是否审核成功，如果是，需要判断是否整个订单的子任务都审核成功了，除了被撤回和验收拒绝的
        if (auditStatus == 4) {
            // 查询同一个工单下的所有子任务
            List<GdPatrolTaskEntity> subTasks = list(Wrappers.<GdPatrolTaskEntity>lambdaQuery()
                    .eq(GdPatrolTaskEntity::getWorkOrderId, task.getWorkOrderId()));

            // 检查是否所有子任务都审核成功（除了被撤回和验收拒绝的）
            boolean allSubTasksAudited = checkAllSubTasksStatus(subTasks, PatrolTaskStatusEnum.AUDIT_PASSED);
            // 示例：如果所有子任务都审核成功，可以更新工单状态为已完成
            if (allSubTasksAudited) {
                // 执行工单状态更新逻辑
                return updateWorkOrderStatusAndFlow(task.getWorkOrderId(),
                    WorkOrderStatusEnum.EXECUTING_TO_BE_COMPLETED);
            }
        }
        // 7. 验收拒绝
        if (auditStatus == 7) {
            return updateWorkOrderStatusAndFlow(task.getWorkOrderId(),
                WorkOrderStatusEnum.EXECUTING_TO_BE_COMPLETED);
        }
        // 8. 验收通过
        if (auditStatus == 6) {
            // 查询同一个工单下的所有子任务
            List<GdPatrolTaskEntity> subTasks = list(Wrappers.<GdPatrolTaskEntity>lambdaQuery()
                    .eq(GdPatrolTaskEntity::getWorkOrderId, task.getWorkOrderId()));

            // 检查是否所有子任务都验收通过（除了被撤回和验收拒绝的）
            boolean allSubTasksAudited = checkAllSubTasksStatus(subTasks, PatrolTaskStatusEnum.ACCEPTANCE_PASSED);
            // 这里可以根据allSubTasksAudited的结果执行后续逻辑，比如更新工单状态等
            if (allSubTasksAudited) {
                // 执行工单状态更新逻辑
                return updateWorkOrderStatusAndFlow(task.getWorkOrderId(),
                    WorkOrderStatusEnum.ACCEPTED_TO_BE_SETTLED);
            }
        }
        return b;
    }


    /**
     * 检查是否所有子任务都达到指定状态（除了被撤回和验收拒绝的）
     *
     * @param subTasks 子任务列表
     * @param targetStatus 目标状态枚举
     * @return 是否所有子任务都达到指定状态
     */
    private boolean checkAllSubTasksStatus(List<GdPatrolTaskEntity> subTasks, PatrolTaskStatusEnum targetStatus) {
        for (GdPatrolTaskEntity subTask : subTasks) {
            String taskStatus = subTask.getTaskStatus();
            PatrolTaskStatusEnum statusEnum = PatrolTaskStatusEnum.getByValue(taskStatus);

            // 如果任务状态不是目标状态，且不是被撤回和验收拒绝的，则返回false
            if (statusEnum != targetStatus &&
                    statusEnum != PatrolTaskStatusEnum.WITHDRAWN &&
                    statusEnum != PatrolTaskStatusEnum.REJECTED_ACCEPTANCE) {
                return false;
            }
        }
        return true;
    }

    /**
     * 更新工单状态并保存流转记录
     *
     * @param workOrderId 工单ID
     * @param newStatus 新的工单状态枚举
     * @return 是否更新成功
     */
    private boolean updateWorkOrderStatusAndFlow(Long workOrderId, WorkOrderStatusEnum newStatus) {
        // 1. 更新工单状态
        GdWorkOrderEntity gdWorkOrderEntity = new GdWorkOrderEntity();
        gdWorkOrderEntity.setId(workOrderId);
        gdWorkOrderEntity.setWorkOrderStatus(newStatus.getCode());
        Integer updateResult = baseMapper.updateWorkOrderById(gdWorkOrderEntity);
        if (updateResult <= 0) {
            return false;
        }

        // 2. 保存流转记录
        GdWorkOrderFlowEntity flowEntity = new GdWorkOrderFlowEntity();
        flowEntity.setCreateUser(AuthUtil.getUserId());
        flowEntity.setWorkOrderId(workOrderId);
        flowEntity.setFlowName(newStatus.getDesc());
        flowEntity.setFlowDesc(String.format("%s %s 更新了任务信息，状态转换为：%s",
            AuthUtil.getUserName(),
            DateUtil.format(new Date(), "yyyy-MM-dd HH:mm:ss"),
            newStatus.getDesc()));
        flowEntity.setOperator(AuthUtil.getUserName());
        flowEntity.setType(WorkOrderTypeEnum.WORK_ORDER_TASK.getValue());
        flowEntity.setCreateDept(Long.valueOf(AuthUtil.getDeptId()));
        return gdWorkOrderFlowService.save(flowEntity);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
	public boolean republishPatrolTask(GdPatrolTaskEntity taskEntity) {
        if (taskEntity == null || taskEntity.getId() == null) {
            throw new RuntimeException("任务信息或ID不能为空");
		}

        // 1. 验证任务是否存在
        GdPatrolTaskEntity existingTask = getById(taskEntity.getId());
        taskEntity.setId(existingTask.getId());
        if (existingTask == null) {
            throw new RuntimeException("巡查任务不存在");
        }

        // 2. 先确定枚举状态：根据当前状态确定新的枚举状态
        PatrolTaskStatusEnum targetStatus;
        String currentStatus = existingTask.getTaskStatus();
        // 1.发布中_拒绝接单 、 4.响应中_审核驳回
        switch (currentStatus) {
            case "1": // 发布中_拒绝接单 → 发布中_接单中
                targetStatus = PatrolTaskStatusEnum.PENDING_SIGNING;
                break;
            case "4": // 响应中_审核驳回 → 响应中_待审核
                targetStatus = PatrolTaskStatusEnum.PENDING_AUDIT;
                break;
            default:
                // 其他状态，保持原有状态
                targetStatus = PatrolTaskStatusEnum.getByValue(currentStatus);
                // 如果无法获取枚举，使用待签收作为默认状态
                if (targetStatus == null) {
                    targetStatus = PatrolTaskStatusEnum.PENDING_SIGNING;
                }
                break;
        }

        // 3. 设置任务状态：使用枚举设置任务状态
        taskEntity.setTaskStatus(targetStatus.getValue());

        // 4. 更新任务信息：合并传入的任务信息
        taskEntity.setUpdateUser(AuthUtil.getUserId());
        taskEntity.setUpdateTime(new Date());

        // 5. 更新数据库
        boolean updateResult = updateById(taskEntity);
        if (!updateResult) {
            throw new RuntimeException("更新任务信息失败");
        }

        // 6. 保存流转记录：使用枚举设置flowName
        GdWorkOrderFlowEntity flowEntity = new GdWorkOrderFlowEntity();
        flowEntity.setCreateUser(AuthUtil.getUserId());
        flowEntity.setWorkOrderId(taskEntity.getId());
        flowEntity.setFlowName(targetStatus.getDesc());
        flowEntity.setFlowDesc(AuthUtil.getUserName() + " " + DateUtil.format(new Date(), "yyyy-MM-dd HH:mm:ss") + " 更新了任务信息，状态转换为：" + targetStatus.getDesc());
        flowEntity.setOperator(AuthUtil.getUserName());
        flowEntity.setType(WorkOrderTypeEnum.PATROL_TASK.getValue());
        flowEntity.setAreaCode(existingTask.getAreaCode());
        flowEntity.setCreateDept(Long.valueOf(AuthUtil.getDeptId()));

        return gdWorkOrderFlowService.save(flowEntity);
    }

	@Override
	public File exportPatrolReport(Long patrolTaskId) {
		if (patrolTaskId == null) {
			throw new RuntimeException("巡查任务主键不能为空");
		}
		GdPatrolTaskEntity taskEntity = getById(patrolTaskId);
		if (taskEntity == null) {
			throw new RuntimeException("巡查任务不存在");
		}
		List<GdTaskResultEntity> resultList = gdTaskResultService.list(Wrappers.<GdTaskResultEntity>lambdaQuery()
			.eq(GdTaskResultEntity::getPatrolTaskId, patrolTaskId)
			.eq(GdTaskResultEntity::getIsDeleted, BladeConstant.DB_NOT_DELETED));
		String creatorName = getUserName(taskEntity.getCreateUser());
		String deptName = getDeptName(taskEntity.getCreateDept());
		try {
			return GdPatrolReportWordUtil.generateReportFile(taskEntity, resultList, creatorName, deptName);
		} catch (Exception e) {
			throw new RuntimeException("生成巡查报告失败", e);
		}
	}


    /**
     * 检查拒绝原因是否必填
     *
     * @param newStatus     新状态
     * @param rejectReason  拒绝原因
     * @throws RuntimeException 当需要拒绝原因但未提供时抛出
     */
    // private void checkRejectReason(PatrolTaskStatusEnum newStatus, String rejectReason) {
    // 	// 拒绝类状态需要填写拒绝原因
    // 	if ((newStatus == PatrolTaskStatusEnum.REJECTED_SIGNING ||
    // 	     newStatus == PatrolTaskStatusEnum.AUDIT_REJECTED ||
    // 	     newStatus == PatrolTaskStatusEnum.REJECTED_ACCEPTANCE) &&
    // 	    (rejectReason == null || rejectReason.trim().isEmpty())) {
    // 		throw new RuntimeException("拒绝操作时必须填写拒绝原因");
    // 	}
    // }

    /**
     * 保存工单流转记录
     *
     * @param workOrderId  工单ID
     * @param newStatus    新状态
     * @param rejectReason 拒绝原因
     * @param areaCode     区域编码
     * @return 是否保存成功
     * @throws RuntimeException 当保存失败时抛出
     */
    private boolean saveWorkOrderFlow(Long workOrderId, PatrolTaskStatusEnum newStatus,
                                      String rejectReason, String areaCode) {
        GdWorkOrderFlowEntity flowEntity = new GdWorkOrderFlowEntity();
        flowEntity.setCreateUser(AuthUtil.getUserId());
        flowEntity.setWorkOrderId(workOrderId);
        flowEntity.setFlowName(newStatus.getDesc());

        // 构建流转描述
        String flowDesc = buildFlowDesc(newStatus, rejectReason);
        flowEntity.setFlowDesc(flowDesc);

        flowEntity.setOperator(AuthUtil.getUserName());
        flowEntity.setType(WorkOrderTypeEnum.PATROL_TASK.getValue());
        flowEntity.setAreaCode(areaCode);
        flowEntity.setCreateDept(Long.valueOf(AuthUtil.getDeptId()));

        boolean saveResult = gdWorkOrderFlowService.save(flowEntity);
        if (!saveResult) {
            throw new RuntimeException("保存流转记录失败");
        }
        return true;
    }

    /**
     * 构建流转描述
     *
     * @param newStatus    新状态
     * @param rejectReason 拒绝原因
     * @return 流转描述
     */
    private String buildFlowDesc(PatrolTaskStatusEnum newStatus, String rejectReason) {
        String baseDesc = String.format("%s %s ",
                AuthUtil.getUserName(),
                DateUtil.format(new Date(), "yyyy-MM-dd HH:mm:ss"));

        // 拒绝类状态需要添加拒绝原因
        if (newStatus == PatrolTaskStatusEnum.REJECTED_SIGNING ||
            newStatus == PatrolTaskStatusEnum.AUDIT_REJECTED ||
            newStatus == PatrolTaskStatusEnum.REJECTED_ACCEPTANCE) {
            return String.format("%s%s：%s", baseDesc, newStatus.getDesc(), rejectReason);
        }

        // 其他状态直接使用枚举描述
        return baseDesc + newStatus.getDesc();
    }

	private String getDeptName(Long deptId) {
		if (deptId == null) {
			return "/";
		}
		R<Dept> deptResult = sysClient.getDept(deptId);
		Dept dept = deptResult != null ? deptResult.getData() : null;
		if (dept == null || StringUtil.isBlank(dept.getDeptName())) {
			return "/";
		}
		return dept.getDeptName();
	}

	private String getUserName(Long userId) {
		if (userId == null) {
			return "/";
		}
		R<User> userResult = userClient.userInfoById(userId);
		User user = userResult != null ? userResult.getData() : null;
		if (user == null) {
			return "/";
		}
		String realName = user.getRealName();
		if (StringUtil.isBlank(realName)) {
			realName = user.getName();
		}
		return StringUtil.isBlank(realName) ? "/" : realName;
	}


}