package com.moral.api.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.moral.api.entity.ManageMenu;
import com.moral.api.entity.ManageRole;
import com.moral.api.entity.ManageRoleMenu;
import com.moral.api.mapper.ManageMenuMapper;
import com.moral.api.mapper.ManageRoleMapper;
import com.moral.api.mapper.ManageRoleMenuMapper;
import com.moral.api.service.ManageRoleMenuService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.moral.api.util.LogUtils;
import com.moral.constant.Constants;
import com.moral.constant.ResponseCodeEnum;
import com.moral.util.TokenUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.ObjectUtils;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;

import javax.servlet.http.HttpServletRequest;
import java.util.*;
import java.util.stream.Collectors;

/**
 * <p>
 * 后台菜单角色关系表 服务实现类
 * </p>
 *
 * @author moral
 * @since 2021-03-09
 */
@Service
public class ManageRoleMenuServiceImpl extends ServiceImpl<ManageRoleMenuMapper, ManageRoleMenu> implements ManageRoleMenuService {

    @Autowired(required = false)
    private ManageRoleMenuMapper manageRoleMenuMapper;

    @Autowired(required = false)
    private ManageMenuMapper manageMenuMapper;

    @Autowired(required = false)
    private ManageRoleMapper manageRoleMapper;


    @Override
    @Transactional
    public Map<String, Object> updateRoleMenu(List menuList, int id) {
        //补充父菜单
        List supplementList = new ArrayList();
        supplementList.addAll(menuList);
        for (int i=0;i<supplementList.size();i++) {
            supplementList.addAll(supplementParentMenus(Integer.parseInt(supplementList.get(i).toString())));
        }
        LinkedHashSet<Object> hashSet = new LinkedHashSet<>(supplementList);
        ArrayList<Object> list = new ArrayList<>(hashSet);
        //return null;
        Map<String,Object> resultMap = new HashMap<>();
        List<ManageMenu> manageMenusOld = manageMenuMapper.getManageMenuByRoleId(id);
        QueryWrapper<ManageRoleMenu> wrapper = new QueryWrapper();
        wrapper.eq("role_id",id);
        wrapper.eq("is_delete",0);
        List<Map> result = new ArrayList<>();
        if (list.size()==0){
            result = result;
        }else {
            result = manageRoleMenuMapper.getDataByMenuIds(list,id);
        }
        List<Map> result1 = manageRoleMenuMapper.getDataByRoleId(id);
        if ((manageRoleMenuMapper.selectCount(wrapper)==0 || result.size()==0)&&list.size()!=0){
            List<Map> insertList = new ArrayList<>();
            for (Object temp:list) {
                Map<String,Object> map = new HashMap<>();
                map.put("role_id",id);
                map.put("menu_id",Integer.parseInt(temp.toString()));
                insertList.add(map);
            }
            if (insertList.size()!=0){
                manageRoleMenuMapper.insertBatch(insertList);
            }
        }else {
            List updateList = new ArrayList();
            for (Map manageRoleMenu:result1) {
                int have = 1;
                for (Object temp:list){
                    if (manageRoleMenu.get("menu_id").equals(Integer.parseInt(temp.toString()))){
                        have = 2;
                        continue;
                    }
                }
                if (have == 2){
                    continue;
                }
                updateList.add(manageRoleMenu.get("menu_id"));
            }
            List insertList = new ArrayList();
            for (Object temp:list) {
                int have = 1;
                for (Map manageRoleMenu:result1){
                    if (manageRoleMenu.get("menu_id").equals(Integer.parseInt(temp.toString()))){
                        have = 2;
                        continue;
                    }
                }
                if (have == 2){
                    continue;
                }
                insertList.add(temp);
            }
            if (updateList.size()>0){
                manageRoleMenuMapper.updateDeleteStateByRoleIdMenuIds(updateList,id);
            }
            if (insertList.size()>0){
                List mapList = new ArrayList();
                for (Object temp:insertList) {
                    Map<String,Integer> insertMap = new HashMap<>();
                    insertMap.put("role_id",id);
                    insertMap.put("menu_id",Integer.parseInt(temp.toString()));
                    mapList.add(insertMap);
                }
                manageRoleMenuMapper.insertBatch(mapList);
            }
        }
        //注销token
        TokenUtils.destoryToken(id);
        List<ManageMenu> manageMenusNew = manageMenuMapper.getManageMenuByRoleId(id);
        List manageMenuOldList = new ArrayList();
        List manageMenuNewList = new ArrayList();
        for (ManageMenu manageMenu:manageMenusOld) {
            manageMenuOldList.add(manageMenu.getName());
        }
        for (ManageMenu manageMenu:manageMenusNew) {
            manageMenuNewList.add(manageMenu.getName());
        }
        //获取角色信息
        ManageRole manageRole = manageRoleMapper.selectById(id);
        //操作插入日志
        HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
        String content = "修改了角色:"+manageRole.getName()+";";
        if (manageMenuOldList.size()==0){
            manageMenuOldList.add("空");
        }
        if (manageMenuNewList.size()==0){
            manageMenuNewList.add("空");
        }
        content = content+"菜单:"+manageMenuOldList+"->"+manageMenuNewList+";";
        LogUtils.saveOperationForManage(request,content,Constants.UPDATE_OPERATE_TYPE);
        resultMap.put("code",ResponseCodeEnum.SUCCESS.getCode());
        resultMap.put("msg",ResponseCodeEnum.SUCCESS.getMsg());
        return resultMap;
    }

    /**
     * @Description: 补充父菜单
     * @Param: [list, menuId]list：menuId集合
     * @return: void
     * @Author: 李子杰
     * @Date: 2021/4/7
     */
    private List supplementParentMenus(int menuId) {
        List list = new ArrayList();
        ManageMenu manageMenu = manageMenuMapper.getManageMenuById(menuId);
        if (manageMenu.getParentId()!=0){
            list.add(manageMenu.getParentId());
            list.addAll(supplementParentMenus(manageMenu.getParentId()));
        }
        return list;
    }
}