package com.ld.igds.sys.service;

import com.alibaba.fastjson.JSONArray;
import com.bstek.bdf2.core.business.IUser;
import com.bstek.bdf2.core.model.Url;
import com.bstek.bdf2.core.orm.hibernate.HibernateDao;
import com.bstek.bdf2.core.view.frame.main.MainFrame;
import com.ld.igds.data.Menu;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.*;
import java.util.stream.Collectors;

@Repository
public class SystemServiceImpl extends HibernateDao implements SystemService {

    /**
     * 引入BDF2底层获取菜单的接口，该接口从缓存中获取
     */
    @Autowired
    private MainFrame mainFrame;
    @Autowired
    private SysRoleService sysRoleService;

    @Override
    public List<Menu> getSysMenu() {

        // 调用系统接口获取当前用户所拥有的菜单（默认最高父编码=null）
        Collection<Url> cacheUrls = mainFrame.loadMeunUrls(null);

        // 将获取到的URL转换为页面需要的Menu对象
        return this.url2Menu(cacheUrls);
    }

    @Override
    public List<Menu> getSysGroupMenu() {
        // 调用系统接口获取当前用户所拥有的菜单（默认最高父编码=null）
        Collection<Url> cacheUrls = mainFrame.loadMeunUrls(null);


        //只保留库点使用菜单，也就是BIZTAG = null
        if (cacheUrls.size() > 0) {
            List<Url> collect = cacheUrls.stream().filter(u -> Url.BIZ_TAG_GROUP.equals(u.getSystemId())).collect(Collectors.toList());

            // 将获取到的URL转换为页面需要的Menu对象
            return this.url2Menu(collect);
        }

        return null;
    }

    /**
     * 由于字段设置相同，使用JSON格式直接转换
     *
     * @param cacheUrls
     * @return
     */
    private List<Menu> url2Menu(Collection<Url> cacheUrls) {
        return JSONArray.parseArray(JSONArray.toJSONString(cacheUrls),
                Menu.class);
    }

    @Override
    public List<Menu> getSysMenuByParentCode(String code) {
        // 调用系统接口获取当前用户所拥有的菜单（默认最高父编码=null）
        Collection<Url> cacheUrls = mainFrame.loadMeunUrls(code);
        // 将获取到的URL转换为页面需要的Menu对象
        return this.url2Menu(cacheUrls);
    }

    @Override
    public List<Menu> getMenuBySystemId(String companyId, String systemId, IUser user) {
        Collection<Url> cacheUrls = mainFrame.loadMeunUrlsBySystemId(companyId, systemId);


        //如果是管理员
        if (user.isAdministrator()) return this.url2Menu(cacheUrls);

        //二次验证
        Map<String, String> mapUrl = sysRoleService.getMapUrlByUser(companyId, user.getUsername());
        if (null == mapUrl || mapUrl.isEmpty()) return this.url2Menu(cacheUrls);


        Collection<Url> newUrls = new ArrayList<>();
        checkUrl(cacheUrls, newUrls, mapUrl);


        // 将获取到的URL转换为页面需要的Menu对象
        return this.url2Menu(newUrls);
    }

    private void checkUrl(Collection<Url> cacheUrls, Collection<Url> newUrls, Map<String, String> mapUrl) {
        Collection<Url> children;
        List<Url> newChildren;
        for (Url url : cacheUrls) {

            if (null == mapUrl.get(url.getId())) continue;

            children = url.getChildren();

            if (null != children) {
                newChildren = new ArrayList<>();
                checkUrl(children, newChildren, mapUrl);
                url.setChildren(newChildren);
            }

            newUrls.add(url);
        }
    }


    @Override
    public void refreshUrlCache() {
        mainFrame.cacheNavigatorUrls();
    }

}