// 阿里云FaaS部署，主进程代码
const { Server } = require('@webserverless/fc-express')
const express = require('express');
const fs = require('fs');
const path = require('path');
const bodyParser = require('body-parser');

// initial todo list
let todos = [
  {
    key: 1,
    disabled: false,
    href: 'https://ant.design',
    avatar: 'https://gw.alipayobjects.com/zos/rmsportal/eeHMaZBwmTvLdIwMfBpg.png',//'https://gw.alipayobjects.com/zos/rmsportal/udxAbMEhpwthVVcjLXik.png',
    name: `来自后端的你`,
    owner: '秦粤',
    desc: '这是一段描述',
    callNo: 18890992445,
    status: 1,
    updatedAt: new Date(),
    createdAt: new Date(),
    progress: 0,
  },
];
//初始化用户
const me = {
  name: '秦粤',
  avatar: 'https://gw.alipayobjects.com/zos/antfincdn/XAosXuNZyF/BiazfanxmamNRoxxVxka.png',
  userid: '00000001',
  email: 'qinyue@me.com',
  signature: '陕西的秦，广东的粤',
  title: '全栈工程师',
  group: '某厂－某事业群－某平台部－某技术部－中台团队',
  tags: [
    {
      key: '0',
      label: '全栈',
    },
  ],
  notifyCount: 12,
  unreadCount: 11,
  country: 'China',
  geographic: {
    province: {
      label: '浙江省',
      key: '330000',
    },
    city: {
      label: '杭州市',
      key: '330100',
    },
  },
  address: '余杭区某小区',
  phone: '0752-26888xxxx',
};

const app = express();
// 静态资源路由
app.use(express.static('public'));
app.use(bodyParser.urlencoded({ extended: false }));
app.use(bodyParser.json());

// 后端服务路由
app.get('/api/rule', (req, resp) => {
  const { current = 1, pageSize = 10 } = req.query;
  const result = {
    data: todos,
    total: todos.length,
    success: true,
    pageSize,
    current: current || 1,
  };
  resp.json(result);
});
app.post('/api/rule', (req, res) => {
  const body = req.body;
  const { method, name, desc, key, status } = body;

  switch (method) {
    case 'delete':
      todos = todos.filter(item => key.indexOf(item.key) === -1);
      break;
    case 'post':
      (() => {
        const i = todos.length+1;
        const newRule = {
          key: i,
          href: 'https://ant.design',
          avatar: [
            'https://gw.alipayobjects.com/zos/rmsportal/eeHMaZBwmTvLdIwMfBpg.png',
            'https://gw.alipayobjects.com/zos/rmsportal/udxAbMEhpwthVVcjLXik.png',
          ][i % 2],
          name,
          owner: '曲丽丽',
          desc,
          callNo: Math.floor(Math.random() * 1000),
          status: 1,
          updatedAt: new Date(),
          createdAt: new Date(),
          progress: 0,
        };
        todos.unshift(newRule);
        return res.json(newRule);
      })();
      return;
    case 'update':
      (() => {
        let newRule = {};
        todos = todos.map(item => {
          if (item.key === key) {
            newRule = { ...item, desc, name, status };
            return { ...item, desc, name, status };
          }
          return item;
        });
        return res.json(newRule);
      })();
      return;
    default:
      break;
  }
  const result = {
    list: todos,
    pagination: {
      total: todos.length,
    },
  };
  res.json(result);
})
app.get('/api/currentUser', (req, resp) => {
  resp.json(me);
});

// SPA单页应用，默认加载index.html
app.all("/*", (req, resp) => {
  resp.setHeader('Content-Type', 'text/html');
  resp.send(fs.readFileSync('./public/index.html', 'utf8'));
});
// 阿里云FaaS部署
const server = new Server(app);
module.exports.handler = function(req, res, context) {
  server.httpProxy(req, res, context);
};