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

var Setting = {
  appkey: 'c3954f8fddc58db4aabdbf05918afcff',
  baseUrl: 'http://apis.juhe.cn/cook/'
}

app.all("*",function (req,res,next) {
  res.header("Access-Control-Allow-Origin","*");
  res.header("Access-Control-Allow-Headers", "X-Requested-With");
  res.header("Access-Control-Allow-Methods","PUT,POST,GET,DELETE,OPTIONS");
  res.header("Content-Type", "application/json;charset=utf-8");
  next();
});

app.get('/category', (req, res) => {
  request(`${Setting.baseUrl}category?key=${Setting.appkey}`, function (error, response, body) {
    res.json(JSON.parse(body))
  });
});

app.get('/query', (req, res) => {
  var menu = req.query.menu;
  
  request(`${Setting.baseUrl}query?key=${Setting.appkey}&menu=${encodeURI(menu)}&rn=30&pn=3`, function (error, response, body) {
    res.json(JSON.parse(body))
  });
});

app.get('/index', (req, res) => {
  var cid = req.query.cid,
      pn = req.query.pn;
  
  request(`${Setting.baseUrl}index?key=${Setting.appkey}&cid=${cid}&rn=30&pn=${pn}`, function (error, response, body) {
    res.json(JSON.parse(body))
  });
});


app.listen(3000, function(){
  console.log('Example app listening on port 3000!')
})