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

import cn.hutool.core.bean.BeanUtil;
import cn.hutool.core.collection.CollectionUtil;
import cn.hutool.core.date.DateUtil;
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.Wrappers;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import lombok.extern.slf4j.Slf4j;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.subject.Subject;
import org.flowable.engine.TaskService;
import org.flowable.task.api.Task;
import org.jeecg.common.api.vo.Result;
import org.jeecg.common.exception.JeecgBootException;
import org.jeecg.common.system.vo.LoginUser;
import org.jeecg.modules.flowable.apithird.business.entity.FlowMyBusiness;
import org.jeecg.modules.flowable.apithird.business.service.IFlowMyBusinessService;
import org.jeecg.modules.flowable.apithird.business.service.impl.FlowMyBusinessServiceImpl;
import org.jeecg.modules.flowable.apithird.service.FlowCallBackServiceI;
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.service.ISysBusinessCodeRuleService;
import org.jeecg.modules.tms.entity.OutboundOrder;
import org.jeecg.modules.tms.entity.OutboundDetail;
import org.jeecg.modules.tms.entity.dto.OutBoundOrderFlowDto;
import org.jeecg.modules.tms.entity.dto.OutboundOrderAndDetailDto;
import org.jeecg.modules.tms.enums.OutBillStatus;
import org.jeecg.modules.tms.enums.OutBoundStatusEnum;
import org.jeecg.modules.tms.mapper.OutboundDetailMapper;
import org.jeecg.modules.tms.mapper.OutboundOrderMapper;
import org.jeecg.modules.tms.service.IOutboundDetailService;
import org.jeecg.modules.tms.service.IOutboundOrderService;
import org.springframework.stereotype.Service;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import java.io.Serializable;
import java.util.*;

/**
 * @Description: tms_outbound_order
 * @Author: jeecg-boot
 * @Date:   2025-05-16
 * @Version: V1.0
 */
@Slf4j
@Service
public class OutboundOrderServiceImpl extends ServiceImpl<OutboundOrderMapper, OutboundOrder> implements IOutboundOrderService, FlowCallBackServiceI {

	@Autowired
	private IOutboundDetailService outboundDetailService;
	@Autowired
	private ISysBusinessCodeRuleService businessCodeRuleService;
	@Autowired
	private IFlowDefinitionService flowDefinitionService;
	@Autowired
	private IFlowMyBusinessService flowMyBusinessService;
	@Autowired
	private IFlowTaskService flowTaskService;
	@Autowired
	private TaskService taskService;
	@Autowired
	private FlowCommonService flowCommonService;
	@Autowired
	private OutboundOrderMapper outboundOrderMapper;
	@Autowired
	private OutboundDetailMapper outboundDetailMapper;
	
	@Override
	@Transactional(rollbackFor = Exception.class)
	public void delMain(String id) {
		outboundDetailMapper.deleteByMainId(id);
		outboundOrderMapper.deleteById(id);
	}

	@Override
	@Transactional(rollbackFor = Exception.class)
	public void delBatchMain(Collection<? extends Serializable> idList) {
		for(Serializable id:idList) {
			outboundDetailMapper.deleteByMainId(id.toString());
			outboundOrderMapper.deleteById(id);
		}
	}

    @Override
	@Transactional(rollbackFor = Exception.class)
    public void addTotal(OutboundOrderAndDetailDto outboundOrder) {
		OutboundOrder order = BeanUtil.copyProperties(outboundOrder, OutboundOrder.class);
		order.setHandler(Objects.requireNonNull(getCurrentUser()).getId());
		order.setOutNum(businessCodeRuleService.generateBusinessCodeSeq("outBoundOrder"));
		order.setOrderStatus(OutBillStatus.DRAFT.getValue());
		save(order);
		List<OutboundDetail> detailList = CollectionUtil.newArrayList();
		outboundOrder.getOutboundDetailList().forEach(item->{
			item.setId(null);
			item.setOutStorehouseId(order.getId());
			detailList.add(item);
		});
		outboundDetailService.saveBatch(detailList);
	}

	@Override
	public IPage<OutboundOrder> queryPageList(Page<OutboundOrder> page, Map<String, String[]> parameterMap) {
		QueryWrapper<OutboundOrder> queryWrapper = Wrappers.query();
		String[] outNums = parameterMap.get("outNum");
		if (outNums != null && outNums.length > 0) {
			queryWrapper.like("t.out_num", outNums[0]);
		}
		String[] outStorehouseTypes = parameterMap.get("outStorehouseType");
		if (outStorehouseTypes != null && outStorehouseTypes.length > 0) {
			queryWrapper.eq("t.out_storehouse_type", outStorehouseTypes[0]);
		}
		String[] statuses = parameterMap.get("orderStatus");
		if (statuses != null && statuses.length > 0) {
			queryWrapper.eq("t.order_status", statuses[0]);
		}
		String[] startTimes = parameterMap.get("startTime");
		if (startTimes != null && startTimes.length > 0) {
			queryWrapper.ge("t.create_time", startTimes[0]);
		}
		String[] endTimes = parameterMap.get("endTime");
		if (endTimes != null && endTimes.length > 0) {
			queryWrapper.le("t.create_time", endTimes[0]);
		}
		queryWrapper.orderByDesc("t.create_time");
		return this.baseMapper.queryPageList(page, queryWrapper);
	}

	@Override
	@Transactional(rollbackFor = Exception.class)
	public void editTotal(OutboundOrderAndDetailDto outboundOrder) {
		//删除所有明细
		outboundDetailService.remove(new LambdaQueryWrapper<OutboundDetail>()
				.eq(OutboundDetail::getOutStorehouseId, outboundOrder.getId()));
		OutboundOrder outboundOrderUpdate = BeanUtil.copyProperties(outboundOrder, OutboundOrder.class);
		outboundOrderMapper.updateById(outboundOrderUpdate);
		List<OutboundDetail> detailList = CollectionUtil.newArrayList();
		outboundOrder.getOutboundDetailList().forEach(item->{
			item.setOutStorehouseId(outboundOrderUpdate.getId());
			detailList.add(item);
		});
		outboundDetailService.saveBatch(detailList);
	}

    @Override
    public void submit(String id) {
		OutboundOrder outboundOrder = getById(id);
		if (outboundOrder == null) {
			throw new JeecgBootException("出库单申请单不存在，无法提交！");
		}
		if (!Objects.equals(outboundOrder.getOrderStatus(), OutBillStatus.DRAFT.getValue())) {
			throw new JeecgBootException("无法提交非草稿状态的出库申请单！");
		}
		//启动流程
		if (triggerProcess(outboundOrder)) {
			outboundOrder.setOrderStatus(OutBillStatus.SUBMITTED.getValue());
		}
		updateById(outboundOrder);
    }

	@Transactional(rollbackFor = Exception.class)
	@Override
	public void approvalProcess(OutBoundOrderFlowDto outBoundOrderFlowDto) {
		if (StrUtil.isBlank(outBoundOrderFlowDto.getTaskId()) || StrUtil.isBlank(outBoundOrderFlowDto.getDataId())) {
			throw new JeecgBootException("非法参数！");
		}

		// 获取当前登录用户
		LoginUser user = getCurrentUser();
		if (user == null || StrUtil.isBlank(user.getId())) {
			throw new JeecgBootException("账号不存在");
		}

		//获取出库申请单信息
		OutboundOrder outboundOrder = getById(outBoundOrderFlowDto.getDataId());
		if (outboundOrder == null) {
			throw new JeecgBootException("未找到对应的出库申请单！");
		}

		//获取流程业务记录
		FlowMyBusiness flowMyBusiness = getFlowMyBusiness(outBoundOrderFlowDto.getInstanceId());
		if (flowMyBusiness == null) {
			throw new JeecgBootException("流程记录不存在");
		}

		// 检查用户是否有权限操作任务
		if (!isUserAuthorized(flowMyBusiness, user)) {
			throw new JeecgBootException("用户无权操作此任务");
		}

		// 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");
		}

		//设置流程变量
		setupProcessVariables(outBoundOrderFlowDto, outboundOrder, user);

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

		//根据任务完成结果更新申请单状态
		if (result.isSuccess()) {
			outboundOrder.setOrderStatus(outBoundOrderFlowDto.getStatus());
			if (OutBillStatus.APPROVED.getValue().equals(outBoundOrderFlowDto.getStatus())) {
				outboundOrder.setOutStatus(OutBoundStatusEnum.NOT_OUTBOUND.getValue());
			}
			outboundOrder.setAuditDate(new Date());
			outboundOrder.setApprovalOpinion(outBoundOrderFlowDto.getApprovalOpinion());
			updateById(outboundOrder);
		}
	}

	public boolean triggerProcess(OutboundOrder outboundOrder) {
		flowCommonService.initActBusiness("单号为：" + outboundOrder.getOutNum() + " 的出库申请，开始进行审批",
				outboundOrder.getId(), "outboundOrderServiceImpl", "tool_out_storage", null);
		Map<String, Object> variables = new HashMap<>();
		variables.put("dataId", outboundOrder.getId());
		if (StrUtil.isEmpty(outboundOrder.getRemark())) {
			variables.put("organization", "新增出库申请单默认启动流程");
			variables.put("comment", "新增出库申请单默认启动流程");
		} else {
			variables.put("organization", outboundOrder.getRemark());
			variables.put("comment", outboundOrder.getRemark());
		}
		variables.put("proofreading", true);
		List<String> usernames = new ArrayList<>();
		usernames.add(outboundOrder.getReviewer());
		variables.put("NextAssignee", usernames);
		Result result = flowDefinitionService.startProcessInstanceByKey("tool_out_storage", variables);
		return result.isSuccess();
	}

    private LoginUser getCurrentUser() {
		// 获取当前认证的登录用户信息
		Subject currentUser = SecurityUtils.getSubject();
		if (currentUser != null && currentUser.isAuthenticated()) {
			Object principal = currentUser.getPrincipal();
			if (principal instanceof LoginUser) {
				return (LoginUser) principal;
			}
		}
		return null;
	}

	private FlowMyBusiness getFlowMyBusiness(String instanceId) {
		List<FlowMyBusiness> businessList = flowMyBusinessService.list(
				new LambdaQueryWrapper<FlowMyBusiness>().eq(FlowMyBusiness::getProcessInstanceId, instanceId));
		return businessList.isEmpty() ? null : businessList.get(0);
	}

	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;
	}

	private void setupProcessVariables(OutBoundOrderFlowDto outBoundOrderFlowDto, OutboundOrder outboundOrder, LoginUser user) {
		if (OutBillStatus.SUBMITTED.getValue().equals(outboundOrder.getOrderStatus()) && user.getUsername().equals(outboundOrder.getReviewer())) {
			Map<String, Object> values = new HashMap<>();
			values.put("dataId", outboundOrder.getId());
			values.put("organization", outBoundOrderFlowDto.getApprovalOpinion());
			values.put("comment", outBoundOrderFlowDto.getApprovalOpinion());
			values.put("status", outBoundOrderFlowDto.getStatus());
			values.put("NextAssignee", Collections.singletonList(outboundOrder.getReviewer()));
			outBoundOrderFlowDto.setValues(values);
		}
	}

	@Override
	public void afterFlowHandle(FlowMyBusiness business) {
		business.getTaskNameId();//接下来审批的节点
		business.getValues();//前端传进来的参数
		business.getActStatus();
	}

	@Override
	public Object getBusinessDataById(String dataId) {
		return this.getById(dataId);
	}

	@Override
	public Map<String, Object> flowValuesOfTask(String taskNameId, Map<String, Object> values) {
		return Collections.emptyMap();
	}

	@Override
	public List<String> flowCandidateUsernamesOfTask(String taskNameId, Map<String, Object> values) {
		//业务是否干预流程，业务干预，流程干预，指定人员进行处理
		//获取下一步处理人
		Object object = values.get("NextAssignee");
		return (List<String>) object;
	}
}