package com.ruoyi.system.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.entity.TDept;
import com.ruoyi.system.mapper.OaApprovalFlowNodeMapper;
import com.ruoyi.system.mapper.SysUserMapper;
import com.ruoyi.system.mapper.TDeptMapper;
import com.ruoyi.system.model.OaApprovalFlowNode;
import com.ruoyi.system.query.ApprovalNodeListQuery;
import com.ruoyi.system.service.OaApprovalFlowNodeService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.util.StringUtils;

import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;

/**
 * <p>
 * 审批流程实例 服务实现类
 * </p>
 *
 * @author WuGuanFengYue
 * @since 2025-09-15
 */
@Service
public class OaApprovalFlowNodeServiceImpl extends ServiceImpl<OaApprovalFlowNodeMapper, OaApprovalFlowNode> implements OaApprovalFlowNodeService {

    @Autowired
    private SysUserMapper sysUserMapper;
    @Autowired
    private TDeptMapper deptMapper;
    @Override
    public List<OaApprovalFlowNode> pageList(ApprovalNodeListQuery query) {
        List<SysUser> sysUsers = sysUserMapper.selectList();
        Map<Long, String> userMaps = sysUsers.stream().collect(Collectors.toMap(SysUser::getUserId, SysUser::getNickName));
        Map<Integer, String> deptMaps = deptMapper.selectList(null).stream().collect(Collectors.toMap(TDept::getId, TDept::getDeptName));
        List<OaApprovalFlowNode> oaApprovalFlowNodes = this.baseMapper.selectList(new LambdaQueryWrapper<OaApprovalFlowNode>()
                .eq(OaApprovalFlowNode::getApprovalId, query.getId()));
        for (OaApprovalFlowNode approvalVO : oaApprovalFlowNodes) {
            StringBuilder approvalName = new StringBuilder();
            if (approvalVO.getApprovalType() != 0){
                if (approvalVO.getApprovalType() == 2){
                    for (String approvalId : approvalVO.getApprovalIds().split(",")) {
                        String orDefault = userMaps.getOrDefault(Long.valueOf(approvalId), "");
                        if (StringUtils.hasLength(orDefault)){
                            approvalName.append(orDefault).append(",");
                        }
                    }
                }else{
                    for (String approvalId : approvalVO.getApprovalIds().split(",")) {
                        String orDefault = deptMaps.getOrDefault(Integer.valueOf(approvalId), "");
                        if (StringUtils.hasLength(orDefault)){
                            approvalName.append(orDefault).append(",");
                        }
                    }
                }

                if (StringUtils.hasLength(approvalName)){
                    approvalVO.setApprovalName(approvalName.substring(0,approvalName.length()-1));
                }else{
                    approvalVO.setApprovalName("");
                }
            }else{
                approvalVO.setApprovalName("上级部门");
            }

        }
        return oaApprovalFlowNodes;
    }
}