package org.jeecg.modules.eam.service.impl;

import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.util.StrUtil;
import com.alibaba.fastjson.JSON;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.core.toolkit.CollectionUtils;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.apache.commons.lang3.StringUtils;
import org.apache.shiro.SecurityUtils;
import org.flowable.engine.TaskService;
import org.flowable.task.api.Task;
import org.jeecg.common.api.vo.Result;
import org.jeecg.common.constant.CommonConstant;
import org.jeecg.common.constant.DataBaseConstant;
import org.jeecg.common.exception.JeecgBootException;
import org.jeecg.common.system.vo.LoginUser;
import org.jeecg.common.util.TranslateDictTextUtils;
import org.jeecg.common.util.oConvertUtils;
import org.jeecg.modules.eam.constant.*;
import org.jeecg.modules.eam.entity.EamBaseHFCode;
import org.jeecg.modules.eam.entity.EamEquipment;
import org.jeecg.modules.eam.entity.EamThirdMaintenanceChange;
import org.jeecg.modules.eam.entity.EamThirdMaintenanceOrder;
import org.jeecg.modules.eam.mapper.EamThirdMaintenanceChangeMapper;
import org.jeecg.modules.eam.request.EamThirdMaintenanceChangeQuery;
import org.jeecg.modules.eam.request.EamThirdMaintenanceChangeRequest;
import org.jeecg.modules.eam.service.IEamBaseHFCodeService;
import org.jeecg.modules.eam.service.IEamEquipmentService;
import org.jeecg.modules.eam.service.IEamThirdMaintenanceChangeService;
import org.jeecg.modules.eam.service.IEamThirdMaintenanceOrderService;
import org.jeecg.modules.flowable.apithird.business.entity.FlowMyBusiness;
import org.jeecg.modules.flowable.apithird.business.service.IFlowMyBusinessService;
import org.jeecg.modules.flowable.apithird.service.FlowCommonService;
import org.jeecg.modules.flowable.service.IFlowDefinitionService;
import org.jeecg.modules.flowable.service.IFlowTaskService;
import org.jeecg.modules.system.entity.BaseFactory;
import org.jeecg.modules.system.entity.BaseFactoryUser;
import org.jeecg.modules.system.service.IBaseFactoryService;
import org.jeecg.modules.system.service.IBaseFactoryUserService;
import org.jeecg.modules.system.service.ISysBusinessCodeRuleService;
import org.jeecg.modules.system.service.ISysUserService;
import org.jeecg.modules.system.vo.UserSelector;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.annotation.Resource;
import java.util.*;
import java.util.stream.Collectors;

/**
 * @Description: 三保变更
 * @Author: jeecg-boot
 * @Date:   2025-07-11
 * @Version: V1.0
 */
@Service
public class EamThirdMaintenanceChangeServiceImpl extends ServiceImpl<EamThirdMaintenanceChangeMapper, EamThirdMaintenanceChange> implements IEamThirdMaintenanceChangeService {

    @Resource
    private EamThirdMaintenanceChangeMapper eamThirdMaintenanceChangeMapper;
    @Resource
    private IBaseFactoryUserService baseFactoryUserService;
    @Resource
    private IBaseFactoryService baseFactoryService;
    @Resource
    private IEamThirdMaintenanceOrderService thirdMaintenanceOrderService;
    @Resource
    private IEamEquipmentService equipmentService;
    @Resource
    private ISysBusinessCodeRuleService businessCodeRuleService;
    @Resource
    private IEamBaseHFCodeService hfCodeService;
    @Resource
    private ISysUserService sysUserService;
    @Resource
    private FlowCommonService flowCommonService;
    @Resource
    private TranslateDictTextUtils translateDictTextUtils;
    @Resource
    private IFlowDefinitionService flowDefinitionService;
    @Resource
    private IFlowMyBusinessService flowMyBusinessService;
    @Resource
    private TaskService taskService;
    @Resource
    private IEamEquipmentService eamEquipmentService;
    @Resource
    private IFlowTaskService flowTaskService;

    @Override
    public IPage<EamThirdMaintenanceChange> queryPageList(Page<EamThirdMaintenanceChange> page, EamThirdMaintenanceChangeQuery query) {
        QueryWrapper<EamThirdMaintenanceChange> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("tmc.del_flag", CommonConstant.DEL_FLAG_0);
        //用户数据权限
        LoginUser sysUser = (LoginUser) SecurityUtils.getSubject().getPrincipal();
        if (sysUser == null) {
            return page;
        }
        if (StringUtils.isNotBlank(sysUser.getEquipmentIds())) {
            //选择了设备，根据设备id过滤设备
            List<String> equipArr = Arrays.asList(sysUser.getEquipmentIds().split(","));
            queryWrapper.in("e.equipment_code", equipArr);
        } else {
            //没有选择设备，根据中心过滤设备
            List<BaseFactoryUser> baseFactoryUserList = baseFactoryUserService.
                    list(new LambdaQueryWrapper<BaseFactoryUser>().eq(BaseFactoryUser::getUserId, sysUser.getId()));
            if (!CollectionUtils.isEmpty(baseFactoryUserList)) {
                Set<String> factoryIds = baseFactoryUserList.stream().map(BaseFactoryUser::getFactoryId).collect(Collectors.toSet());
                Set<String> factoryCode = baseFactoryService.listByIds(factoryIds).stream().map(BaseFactory::getOrgCode).collect(Collectors.toSet());
                queryWrapper.in("e.factory_org_code", factoryCode);
            } else {
                return page;
            }
        }
        //查询条件过滤
        if (query != null) {
            if (StringUtils.isNotBlank(query.getEquipmentId())) {
                queryWrapper.eq("tmc.equipment_id", query.getEquipmentId());
            }
            if (StringUtils.isNotBlank(query.getChangeOrderNum())) {
                queryWrapper.like("tmc.order_num", query.getChangeOrderNum());
            }
            if (StringUtils.isNotBlank(query.getChangeStatus())) {
                queryWrapper.eq("tmc.change_status", query.getChangeStatus());
            }
            if (query.getApplyDateBegin() != null && query.getApplyDateEnd() != null) {
                queryWrapper.between("tmc.apply_date", query.getApplyDateBegin(), query.getApplyDateEnd());
            }
            //排序
            if (StringUtils.isNotBlank(query.getColumn()) && StringUtils.isNotBlank(query.getOrder())) {
                String column = query.getColumn();
                if (column.endsWith(CommonConstant.DICT_TEXT_SUFFIX)) {
                    column = column.substring(0, column.lastIndexOf(CommonConstant.DICT_TEXT_SUFFIX));
                }
                if (DataBaseConstant.SQL_ASC.equalsIgnoreCase(query.getOrder())) {
                    queryWrapper.orderByAsc("tmc." + oConvertUtils.camelToUnderline(column));
                } else {
                    queryWrapper.orderByDesc("tmc." + oConvertUtils.camelToUnderline(column));
                }
            } else {
                queryWrapper.orderByDesc("tmc.create_time");
            }
        } else {
            queryWrapper.orderByDesc("tmc.create_time");
        }
        return eamThirdMaintenanceChangeMapper.queryPageList(page, queryWrapper);
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public boolean saveThirdMaintenanceChange(EamThirdMaintenanceChange request) {
        //查询工单
        EamThirdMaintenanceOrder order = thirdMaintenanceOrderService.getById(request.getOrderId());
        if (order == null) {
            throw new JeecgBootException("三保工单不存在，操作失败！");
        }
        //查询设备
        EamEquipment equipment = equipmentService.getById(order.getEquipmentId());
        if (equipment == null) {
            throw new JeecgBootException("设备信息不存在，操作失败！");
        }
        //用户数据权限
        LoginUser sysUser = (LoginUser) SecurityUtils.getSubject().getPrincipal();
        if (sysUser == null) {
            throw new JeecgBootException("登录用户信息为空，操作失败！");
        }
        String codeSeq = businessCodeRuleService.generateBusinessCodeSeq(BusinessCodeConst.THIRD_MAINTENANCE_CHANGE_CODE_RULE);
        request.setChangeOrderNum(codeSeq);
        request.setId(null);
        request.setChangeStatus(ThirdMaintenanceChangeStatusEnum.WAIT_SUBMIT.name());
        request.setDelFlag(CommonConstant.DEL_FLAG_0);
        request.setApplicant(sysUser.getUsername());
        request.setApplyDate(new Date());
        request.setFactoryOrgCode(equipment.getFactoryOrgCode());
        // 三保变更工单HF
        EamBaseHFCode eamBaseHFCode = hfCodeService.selectByCategory(HfTemplateCategoryEnum.THIRD_MAINTENANCE_CHANGE.name());
        if (eamBaseHFCode == null) {
            throw new JeecgBootException("未配置技术状态鉴定变更的HF编码，添加失败！");
        }
        request.setHfCode(eamBaseHFCode.getHfCode());
        this.getBaseMapper().insert(request);
        boolean b = thirdMaintenanceOrderService.updateMaintenanceStatus(request.getOrderId(), ThirdMaintenanceStatusEnum.CHANGE.name());
        if (!b) {
            throw new JeecgBootException("三保工单状态变更失败，无法变更！");
        }
        return true;
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public boolean editThirdMaintenanceChange(EamThirdMaintenanceChange request) {
        EamThirdMaintenanceChange entity = this.getBaseMapper().selectById(request);
        if(entity == null) {
            throw new JeecgBootException("编辑的数据已删除，请刷新重试！");
        }
        if(!ThirdMaintenanceChangeStatusEnum.WAIT_SUBMIT.name().equals(entity.getChangeStatus())) {
            throw new JeecgBootException("只有待提交状态才可编辑！");
        }
        entity.setApplyReasonType(request.getApplyReasonType());
        entity.setApplyReason(request.getApplyReason());
        this.getBaseMapper().updateById(entity);
        return true;
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public boolean submit(String id) {
        EamThirdMaintenanceChange entity = this.getBaseMapper().selectById(id);
        if (entity == null) {
            throw new JeecgBootException("要提交的工单不存在，请刷新重试！");
        }
        if (!ThirdMaintenanceChangeStatusEnum.WAIT_SUBMIT.name().equals(entity.getChangeStatus())) {
            throw new JeecgBootException("该工单已进行过提交！");
        }
        EamThirdMaintenanceOrder order = thirdMaintenanceOrderService.getById(entity.getOrderId());
        if(order == null) {
            throw new JeecgBootException("要变更的三保工单不存在，请刷新重试！");
        }
        EamEquipment equipment = equipmentService.getById(order.getEquipmentId());
        if (equipment == null) {
            throw new JeecgBootException("设备不存在，提交失败！");
        }
        LoginUser sysUser = (LoginUser) SecurityUtils.getSubject().getPrincipal();
        if(sysUser == null || !sysUser.getUsername().equals(entity.getApplicant())) {
            throw new JeecgBootException("不是本人，不能提交此工单！");
        }
        entity.setChangeStatus(ThirdMaintenanceChangeStatusEnum.EQUIPMENT_MANAGER_SIGNING.name());
        //查询下级审批人员
        List<UserSelector> userSelectors = sysUserService.selectOperatorList(equipment.getEquipmentCode(), equipment.getFactoryOrgCode(), BusinessCodeConst.PCR0011);
        if (CollectionUtil.isEmpty(userSelectors)) {
            throw new JeecgBootException("设备未分配给使用单位主管室级领导，无法提交！");
        }
        List<String> userApprovalList = userSelectors.stream().map(UserSelector::getUsername).collect(Collectors.toList());
        //更新实体
        this.getBaseMapper().updateById(entity);
        //启动流程
        flowCommonService.initActBusiness("工单号: " + entity.getChangeOrderNum() + ";设备编号: " + equipment.getEquipmentCode(),
                entity.getId(), "IEamThirdMaintenanceChangeService", "third_maintenance_change", null);
        Map<String, Object> variables = new HashMap<>();
        variables.put("dataId", entity.getId());
        String applyReasonTypeText = translateDictTextUtils.translateField("applyReasonType", entity.getApplyReasonType(), "third_maintenance_change_reason");
        if (StrUtil.isEmpty(applyReasonTypeText)) {
            variables.put("organization", "新增三保工单变更默认启动流程");
            variables.put("comment", "新增三保工单变更默认启动流程");
        } else {
            variables.put("organization", applyReasonTypeText);
            variables.put("comment", applyReasonTypeText);
        }
        Result<?> result = flowDefinitionService.startProcessInstanceByKey("third_maintenance_change", variables);
        if(result == null || !result.isSuccess()) {
            throw new JeecgBootException("启动流程失败！");
        }
        //更新工单状态为变更中
        order.setMaintenanceStatus(ThirdMaintenanceStatusEnum.CHANGE.name());
        boolean b = thirdMaintenanceOrderService.updateById(order);
        if(!b) {
            throw new JeecgBootException("三保工单状态更新失败！");
        }
        return true;
    }

    @Override
    @Transactional(rollbackFor = Exception.class)
    public EamThirdMaintenanceChange approval(EamThirdMaintenanceChangeRequest request) {
        EamThirdMaintenanceChange entity = this.getBaseMapper().selectById(request.getId());
        if (entity == null) {
            throw new JeecgBootException("审批的数据已删除，请刷新重试！");
        }
        EamThirdMaintenanceOrder order = thirdMaintenanceOrderService.getById(entity.getOrderId());
        if(order == null) {
            throw new JeecgBootException("要变更的三保工单不存在，请刷新重试！");
        }
        // 获取当前登录用户
        LoginUser user = (LoginUser) SecurityUtils.getSubject().getPrincipal();
        if (user == null || StrUtil.isBlank(user.getId())) {
            throw new JeecgBootException("未获取到登录用户，请重新登录后再试！");
        }
        request.setAssignee(user.getUsername());
        // 获取流程业务记录
        FlowMyBusiness flowMyBusiness = flowMyBusinessService.getFlowMyBusiness(request.getInstanceId(), request.getTaskId());
        if (flowMyBusiness == null) {
            throw new JeecgBootException("流程实例不存在，请刷新后重试！");
        }

        if (!isUserAuthorized(flowMyBusiness, user)) {
            throw new JeecgBootException("用户无权操作此任务，请刷新后重试！");
        }
        // 认领任务
        if (!claimTask(flowMyBusiness.getTaskId(), user)) {
            throw new JeecgBootException("任务不存在、已完成或已被他人认领！");
        }
        EamEquipment equipment = eamEquipmentService.getById(order.getEquipmentId());
        if (equipment == null) {
            throw new JeecgBootException("设备不存在，请检查！");
        }

        // 设置流程变量
        setupProcessVariables(request, order, user, equipment);

        // 完成流程任务
        Result result = flowTaskService.complete(request);

        // 根据任务完成结果更新工单状态
        updateOrderStatus(result, request, order, user);

        //更新工单信息
        this.getBaseMapper().updateById(entity);
        return entity;
    }

    /**
     * 设置流程变量
     */
    private void setupProcessVariables(EamThirdMaintenanceChangeRequest request, EamThirdMaintenanceOrder order, LoginUser user, EamEquipment equipment) {

    }

    /**
     * 更新工单状态
     */
    private void updateOrderStatus(Result result, EamThirdMaintenanceChangeRequest request, EamThirdMaintenanceOrder order, LoginUser user) {

    }

    private boolean isUserAuthorized(FlowMyBusiness flowMyBusiness, LoginUser user) {
        List<String> todoUsers = JSON.parseArray(flowMyBusiness.getTodoUsers(), String.class);
        return todoUsers != null && todoUsers.contains(user.getUsername());
    }

    private boolean claimTask(String taskId, LoginUser user) {
        Task task = taskService.createTaskQuery().taskId(taskId).singleResult();
        if (task == null) {
            return false;
        }
        if (task.getAssignee() != null && !task.getAssignee().equals(user.getUsername())) {
            return false;
        }
        taskService.claim(taskId, user.getUsername());
        return true;
    }

}