package com.ruoyi.approve.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.approve.mapper.ApproveNodeMapper;
import com.ruoyi.approve.pojo.ApproveNode;
import com.ruoyi.approve.pojo.ApproveProcess;
import com.ruoyi.approve.service.IApproveNodeService;
import com.ruoyi.approve.service.IApproveProcessService;
import com.ruoyi.approve.vo.ApproveNodeVo;
import com.ruoyi.common.utils.SecurityUtils;
import lombok.AllArgsConstructor;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Lazy;
import org.springframework.stereotype.Service;

import java.util.Comparator;
import java.util.Date;
import java.util.List;

@Service
@RequiredArgsConstructor
public class ApproveNodeServiceImpl extends ServiceImpl<ApproveNodeMapper, ApproveNode> implements IApproveNodeService {

    @Autowired
    private  ApproveNodeMapper approveNodeMapper;
    @Autowired
    private  IApproveProcessService approveProcessService;


    @Override
    public void initApproveNodes(String id,int deleteFlag) {
        //租户id
        Long tenantId = SecurityUtils.getLoginUser().getTenantId();

        ApproveProcess approve = approveProcessService.getApproveById(id);
        String[] names = approve.getApproveUserNames().split(",");
        Long approveId = approve.getId();

        for (int i = 0; i < names.length; i++) {
            ApproveNode approveNode = new ApproveNode();
            approveNode.setApproveProcessId(approveId);
            approveNode.setApproveNodeOrder(i +1);
            approveNode.setApproveNodeUser(names[i]);
            approveNode.setApproveNodeTime(new Date());
            approveNode.setApproveNodeStatus(0);
            approveNode.setTenantId(tenantId);
            approveNode.setDeleteFlag(deleteFlag);
            approveNode.setApproveNodeReason(null);
            approveNode.setApproveNodeRemark("0");
            if(i==0){
                approveNode.setApproveNodeRemark("1");
            }
            approveNodeMapper.insert(approveNode);
        }
    }

    @Override
    public List<ApproveNode> details(String id) {
        ApproveProcess approve = approveProcessService.getApproveById(id);
        Long approveId = approve.getId();

        LambdaQueryWrapper<ApproveNode> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(ApproveNode::getApproveProcessId, approveId);
        queryWrapper.eq(ApproveNode::getDeleteFlag, 0);

        List<ApproveNode> list = list(queryWrapper);
        // 按照 approveNodeOrder 字段升序排序
        list.sort(Comparator.comparingInt(ApproveNode::getApproveNodeOrder));
        return list;
    }

    @Override
    public void updateApproveNode(ApproveNodeVo approveNode) {
        //某个节点审批不通过
        if(approveNode.getApproveNodeStatus().intValue()==2){
            //修改审批流程
            ApproveNode node = approveNodeMapper.selectById(approveNode.getId());
            Long approveProcessId = node.getApproveProcessId();
            ApproveProcess approveProcess = approveProcessService.getBaseMapper().selectById(approveProcessId);
            approveProcess.setApproveOverTime(new Date());
            approveProcess.setApproveStatus(3);
            //设置当前审批人为第一个
            approveProcess.setApproveUserCurrentId(Long.valueOf(approveProcess.getApproveUserIds().split(",")[0]));
            approveProcess.setApproveUserCurrentName(approveProcess.getApproveUserNames().split(",")[0]);
            approveProcessService.saveOrUpdate(approveProcess);

            //审批节点状态改变
            updateApproveNodes(approveProcess.getApproveId(),1);
            initApproveNodes(approveProcess.getApproveId(),0);

            return;
        }
        //更新审批流程 当前审批人修改
         approveProcessService.updateApproveProcessStatus(approveNode);

        //审批流程 节点状态改变
        ApproveNode node = getById(approveNode.getId());
        node.setApproveNodeRemark("0");
        node.setApproveNodeTime(new Date());
        node.setApproveNodeReason(approveNode.getApproveNodeReason());
        node.setApproveNodeStatus(approveNode.getApproveNodeStatus());
        approveNodeMapper.updateById(node);

        //下一个节点状态改变
        ApproveNode node1 = approveNodeMapper.selectById(approveNode.getId());
        Long approveProcessId = node1.getApproveProcessId();
        ApproveProcess approveProcess = approveProcessService.getBaseMapper().selectById(approveProcessId);
        int length = approveProcess.getApproveUserIds().split(",").length;

        //此时是最后一个节点了
        if (length==node.getApproveNodeOrder()){
            return;
        }

        LambdaQueryWrapper<ApproveNode> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(ApproveNode::getApproveNodeOrder, node.getApproveNodeOrder()+1);
        queryWrapper.eq(ApproveNode::getApproveProcessId, node.getApproveProcessId());
        queryWrapper.eq(ApproveNode::getDeleteFlag, 0);
        ApproveNode nextNode = getOne(queryWrapper);
        nextNode.setApproveNodeRemark("1");
        approveNodeMapper.updateById(nextNode);
    }

    private void updateApproveNodes(String id, int delFlag) {
        ApproveProcess approve = approveProcessService.getApproveById(id);
        Long approveId = approve.getId();
        LambdaQueryWrapper<ApproveNode> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(ApproveNode::getApproveProcessId, approveId);
        List<ApproveNode> list = list(queryWrapper);
        for (ApproveNode approveNode : list) {
            approveNode.setDeleteFlag(delFlag);
            approveNodeMapper.updateById(approveNode);
        }
    }

}