const express = require('express');
const app = express();
const request = require("request");

var Base = {
  URL: 'http://apis.juhe.cn/cook',
  KEY: 'c3954f8fddc58db4aabdbf05918afcff'
}

app.all('*', function (req, res, next) {
  res.header('Access-Control-Allow-Origin', '*');
  res.header('Access-Control-Allow-Headers', 'Content-Type');
  res.header('Access-Control-Allow-Methods', '*');
  res.header('Content-Type', 'application/json;charset=utf-8');
  next();
});


app.get('/getClassInfo', function(req, res){
  var cid = req.query.cid;
  var pn = req.query.pn;
  request(`${Base.URL}/index?key=${Base.KEY}&cid=${cid}&pn=${pn}`, function (error, response, body) {
    res.json(JSON.parse(body));
  });
});

app.get('/query', function(req, res){
  var keyword = encodeURI(req.query.keyword);
  var pn = req.query.pn || 0;
  request(`${Base.URL}/query?key=${Base.KEY}&rn=30&pn=${pn}&menu=${keyword}`, function (error, response, body) {
    res.json(JSON.parse(body));
  });
})

app.listen(3300, () => console.log('app listening on port 3300!'))