package com.qqflow.engine.domain.ewechat.service;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.qqflow.engine.domain.ewechat.api.EnterpriseWechatApi;
import com.qqflow.engine.domain.ewechat.mapper.EnterpriseWechatDepartmentMapper;
import com.qqflow.engine.domain.ewechat.mapper.EnterpriseWechatMemberMapper;
import com.qqflow.engine.domain.ewechat.model.enterprise.rsp.EnterpriseWechatUserListRsp;
import com.qqflow.engine.domain.ewechat.po.EnterpriseWechatDepartment;
import com.qqflow.engine.domain.ewechat.po.EnterpriseWechatMember;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;

import java.util.ArrayList;
import java.util.List;

/**
 * 企微通讯录同步服务（懒加载：先查本地DB，没有再调企微接口同步后返回）
 */
@Slf4j
@Service
@RequiredArgsConstructor
public class WecomContactSyncService {

    private final EnterpriseWechatDepartmentMapper departmentMapper;
    private final EnterpriseWechatMemberMapper memberMapper;
    private final EnterpriseWechatApi enterpriseWechatApi;
    private final EnterpriseWechatMsgService wechatMsgService;

    /** 获取子部门列表（从本地DB查询） */
    public List<EnterpriseWechatDepartment> listSubDepartments(Long parentId) {
        return departmentMapper.selectList(
                new LambdaQueryWrapper<EnterpriseWechatDepartment>().eq(EnterpriseWechatDepartment::getParentId, parentId));
    }

    /** 获取部门成员（懒加载） */
    public List<EnterpriseWechatMember> listDepartmentMembers(Long departmentId) {
        List<EnterpriseWechatMember> cached = memberMapper.selectList(
                new LambdaQueryWrapper<EnterpriseWechatMember>().eq(EnterpriseWechatMember::getDepartmentId, departmentId));
        if (!cached.isEmpty()) return cached;

        String accessToken = wechatMsgService.getCorpAccessToken();
        if (accessToken == null) return List.of();

        EnterpriseWechatUserListRsp rsp = enterpriseWechatApi.listDepartmentUsers(accessToken, departmentId);
        if (rsp == null || rsp.getUserlist() == null) return List.of();

        List<EnterpriseWechatMember> members = new ArrayList<>();
        for (var u : rsp.getUserlist()) {
            EnterpriseWechatMember wm = new EnterpriseWechatMember();
            wm.setUserid(u.getUserid());
            wm.setName(u.getName() != null ? u.getName() : u.getUserid());
            wm.setDepartmentId(departmentId);
            wm.setOpenUserid(u.getOpenUserid());
            memberMapper.insert(wm);
            members.add(wm);
        }
        return members;
    }

}