const { Router } = require('express');
const gaf = require('./gaf');
const user = require('./user');
const app = require('./app');
const authorize = require('./authorize');

const link = require('./link');

const router = Router();

const navDatas = [
  {
    title: '用户管理',
    path: '/xms',
    module: '@user',
  },
  {
    title: '授权管理',
    path: '/xms',
    module: '@authorize',
  },
  {
    title: '应用管理',
    path: '/xms',
    module: '@app',
  },
  {
    title: '系统管理',
    path: '/gaf',
    module: '@gaf',
  },
  // ...link,
];

const transItems = (items, pid) =>
  items.map((p, i) => {
    p.pid = pid || '0';
    p.id = p.id || (pid ? `${pid}-${i + 1}` : `${i + 1}`);
    if (p.children && p.children.length > 0) p.children = transItems(p.children, p.id);
    return p;
  });
const datas = transItems([...user, ...authorize, ...app, ...gaf]);

const MapMenu = (catalog = [], module = undefined) => item => ({
  title: item.title,
  options: {
    icon: item.icon,
    path: `/${item.module || module}${item.path}`,
    url: item.url,
    target: item.target,
    tooltip: item.tooltip,
    module: item.module,
    platform: item.platform,
    roles: item.roels,
    tags: item.tags,
    meta: { catalog: catalog.concat(item.title) },
  },
  children: (item.children || []).map(MapMenu(catalog.concat(item.title), item.module || module)),
});

const menus = datas.map(MapMenu());
const modules = navDatas.map(MapMenu());

/* GET menus define. */
router.get('/menu/load', function(req, res, next) {
  console.log("!!!I'm menu/load!!!");
  res.json({ errcode: 0, errmsg: 'ok', data: { items: menus, modules } });
});
// router.get('/menu/:module', function(req, res, next) {
//   const module = req.params.module;
//   const items = menus.filter(p => p.options.module == module);
//   res.json({ errcode: 0, errmsg: 'ok', data: { items, modules } });
// });
router.get('/menu/items', function(req, res, next) {
  res.json({ errcode: 0, errmsg: 'ok', data: datas });
});
router.get('/menu/menus', function(req, res, next) {
  res.json({ errcode: 0, errmsg: 'ok', data: navDatas });
});
router.get('/menu/:module/items', function(req, res, next) {
  const module = req.params.module;
  const items = datas.filter(p => p.options.module == module);
  res.json({ errcode: 0, errmsg: 'ok', data: items });
});

module.exports = router;