package com.ruoyi.approve.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.core.conditions.update.UpdateWrapper;
import com.baomidou.mybatisplus.core.toolkit.ObjectUtils;
import com.baomidou.mybatisplus.core.toolkit.Wrappers;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.approve.mapper.ApproveNodeMapper;
import com.ruoyi.approve.mapper.ApproveProcessMapper;
import com.ruoyi.approve.pojo.ApproveNode;
import com.ruoyi.approve.pojo.ApproveProcess;
import com.ruoyi.approve.service.IApproveNodeService;
import com.ruoyi.approve.vo.ApproveProcessVO;
import com.ruoyi.common.enums.FileNameType;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.device.mapper.DeviceRepairMapper;
import com.ruoyi.device.pojo.DeviceRepair;
import com.ruoyi.other.service.impl.TempFileServiceImpl;
import com.ruoyi.project.system.domain.SysUser;
import com.ruoyi.project.system.mapper.SysUserMapper;
import com.ruoyi.project.system.service.ISysNoticeService;
import com.ruoyi.sales.mapper.CommonFileMapper;
import com.ruoyi.sales.pojo.CommonFile;
import com.ruoyi.sales.service.impl.CommonFileServiceImpl;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.CollectionUtils;

import java.io.IOException;
import java.time.LocalDateTime;
import java.util.Arrays;
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 ApproveProcessMapper approveProcessMapper;
    @Autowired
    private SysUserMapper sysUserMapper;

    @Autowired
    private TempFileServiceImpl tempFileService;
    @Autowired
    private  ISysNoticeService sysNoticeService;

    @Autowired
    private CommonFileMapper fileMapper;
    @Autowired
    private DeviceRepairMapper deviceRepairMapper;



    public ApproveProcess getApproveById(String id) {
        LambdaQueryWrapper<ApproveProcess> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(ApproveProcess::getApproveId, id);
        queryWrapper.eq(ApproveProcess::getApproveDelete, 0);
        queryWrapper.eq(ApproveProcess::getTenantId, SecurityUtils.getLoginUser().getTenantId());
        queryWrapper.last("limit 1");
        ApproveProcess one = approveProcessMapper.selectOne(queryWrapper);
        return one;
    }

    @Override
    public void initApproveNodes(String approveUserIds,String approveID,Long tenantId) {
        Long userId = SecurityUtils.getLoginUser().getUser().getUserId();
        ApproveProcess approve = getApproveById(approveID);
        String[] names = approveUserIds.split(",");
        String approveId = approve.getApproveId();
        for (int i = 0; i < names.length; i++) {
            SysUser sysUser = sysUserMapper.selectUserById(Long.parseLong(names[i]));
            if (sysUser == null) continue;
            ApproveNode approveNode = new ApproveNode();
            approveNode.setApproveProcessId(approveId);
            approveNode.setApproveNodeOrder(i +1);
            approveNode.setApproveNodeUser(sysUser.getNickName());
            approveNode.setApproveNodeUserId(sysUser.getUserId());
            approveNode.setApproveNodeTime(new Date());
            approveNode.setApproveNodeStatus(0);
            approveNode.setTenantId(tenantId);
            approveNode.setDeleteFlag(0);
            approveNode.setCreateUser(userId);
            approveNode.setUpdateUser(userId);
            approveNode.setCreateTime(LocalDateTime.now());
            approveNode.setUpdateTime(LocalDateTime.now());
            approveNodeMapper.insert(approveNode);
        }
    }

    @Override
    public List<ApproveNode> details(String id) {
        LambdaQueryWrapper<ApproveNode> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(ApproveNode::getApproveProcessId, id);
        queryWrapper.eq(ApproveNode::getDeleteFlag, 0);
        queryWrapper.eq(ApproveNode::getTenantId, SecurityUtils.getLoginUser().getTenantId());
        List<ApproveNode> list = list(queryWrapper);
        // 按照 approveNodeOrder 字段升序排序
        list.sort(Comparator.comparingInt(ApproveNode::getApproveNodeOrder));
        LambdaQueryWrapper<ApproveProcess> approveProcessLambdaQueryWrapper = new LambdaQueryWrapper<>();
        approveProcessLambdaQueryWrapper.eq(ApproveProcess::getApproveId, id)
                .eq(ApproveProcess::getApproveDelete, 0)
                .eq(ApproveProcess::getTenantId, SecurityUtils.getLoginUser().getTenantId())
                .last("limit 1");
        ApproveProcess approveProcess = approveProcessMapper.selectOne(approveProcessLambdaQueryWrapper);
        if(approveProcess != null && approveProcess.getApproveStatus() == 3){
            return list;
        }
        for (ApproveNode approveNode : list) {
            List<CommonFile> commonFiles = fileMapper.selectList(new LambdaQueryWrapper<CommonFile>()
                    .eq(CommonFile::getCommonId, approveNode.getId())
                    .eq(CommonFile::getType, FileNameType.ApproveNode.getValue()));
            if(!CollectionUtils.isEmpty(commonFiles)){
                approveNode.setUrl(commonFiles.get(0).getUrl());
            }
            if(approveNode.getApproveNodeStatus() == 1){
                continue;
            }
            approveNode.setIsShen(true);
            break;
        }
        return list;
    }

    public void updateApproveProcessStatus(ApproveNode approveNode,Integer status) throws IOException {
        LambdaQueryWrapper<ApproveProcess> approveProcessLambdaQueryWrapper = new LambdaQueryWrapper<>();
        approveProcessLambdaQueryWrapper.eq(ApproveProcess::getApproveId, approveNode.getApproveProcessId())
                .eq(ApproveProcess::getApproveDelete, 0)
                .eq(ApproveProcess::getTenantId, SecurityUtils.getLoginUser().getTenantId())
                .last("limit 1");
        ApproveProcess approveProcess = approveProcessMapper.selectOne(approveProcessLambdaQueryWrapper);
        if(approveProcess == null) throw new RuntimeException("审批不存在");
        LambdaQueryWrapper<ApproveNode> approveNodeLambdaQueryWrapper = new LambdaQueryWrapper<>();
        approveNodeLambdaQueryWrapper.eq(ApproveNode::getApproveProcessId, approveNode.getApproveProcessId())
                .eq(ApproveNode::getApproveNodeOrder, approveNode.getApproveNodeOrder() + 1)
                .eq(ApproveNode::getDeleteFlag, 0)
                .eq(ApproveNode::getTenantId, SecurityUtils.getLoginUser().getTenantId())
                .last("limit 1");
        ApproveNode approveNode1 = approveNodeMapper.selectOne(approveNodeLambdaQueryWrapper);
        approveProcess.setApproveStatus(status);
        if(approveNode1 != null){
            approveProcess.setApproveUserCurrentId(approveNode1.getApproveNodeUserId());
            approveProcess.setApproveUserCurrentName(approveNode1.getApproveNodeUser());
        }
        if(approveProcess.getApproveStatus().equals(2) || approveProcess.getApproveStatus().equals(3) || approveProcess.getApproveStatus().equals(4)){
            approveProcess.setApproveOverTime(new Date());
        }
        approveProcessMapper.updateById(approveProcess);

        DeviceRepair deviceRepair = deviceRepairMapper.selectById(approveProcess.getDeviceRepairId());
        if(ObjectUtils.isNotNull(deviceRepair)) {
            if(approveProcess.getApproveStatus().equals(2)){
                // 同意
                deviceRepair.setStatus(1);
            }else if(approveProcess.getApproveStatus().equals(3)){
                // 拒绝
                deviceRepair.setStatus(2);
            }
            deviceRepairMapper.updateById(deviceRepair);
        }
        // 绑定附件
        if(!CollectionUtils.isEmpty(approveNode.getTempFileIds()) && approveNode.getApproveNodeStatus() == 1){
            tempFileService.migrateTempFilesToFormal(approveNode.getId(), approveNode.getTempFileIds(), FileNameType.ApproveNode.getValue());
        }
    }

    @Override
    public void updateApproveNode(ApproveNode approveNode) throws IOException {
        // 审批节点状态:1同意，2拒绝，0尚未审核
        switch (approveNode.getApproveNodeStatus()){
            case 1:
                updateApproveProcessStatus(approveNode, Boolean.TRUE.equals(approveNode.getIsLast()) ? 2 : 1);
                /*消息通知*/
                Integer nodeOrder = approveNode.getApproveNodeOrder();
                ApproveProcess approveProcess = approveProcessMapper.selectList(Wrappers.<ApproveProcess>lambdaQuery()
                        .eq(ApproveProcess::getApproveId, approveNode.getApproveProcessId())).get(0);
                if (approveProcess.getApproveUserIds().split(",").length > nodeOrder){
                    String id = approveProcess.getApproveUserIds().split(",")[nodeOrder];
                    sysNoticeService.simpleNoticeByUser(approveProcessType(approveProcess.getApproveType()),
                            approveNode.getApproveProcessId()+"流程编号的审批需要您审核!!!!!",
                            Arrays.asList(Long.valueOf(id)),
                            approveNode.getTenantId(),
                            "/collaborativeApproval/approvalProcess?approveType="+approveProcess.getApproveType()+"&approveId="+approveNode.getApproveProcessId());
                }
                break;
            case 2:
                updateApproveProcessStatus(approveNode, 3);
                break;
            default:
                break;
        }
        approveNode.setApproveNodeTime(new Date());
        approveNodeMapper.updateById(approveNode);
    }

    @Override
    public void delApproveNodeByApproveId(Long id) {
        UpdateWrapper<ApproveNode> queryWrapper = new UpdateWrapper<>();
        queryWrapper.lambda().set(ApproveNode::getDeleteFlag, 1)
                .eq(ApproveNode::getApproveProcessId, id);
        update(queryWrapper);
    }

    //审批类型获取(与前端页面对应)
    private String approveProcessType(Integer approveType){
        switch (approveType){
            case 1:
                return "公出管理";
            case 2:
                return "请假管理";
            case 3:
                return "出差管理";
            case 4:
                return "报销管理";
            case 5:
                return "采购审批";
            case 6:
                return "报价审批";
            case 7:
                return "出库审批";
        }
        return null;
    }

}