const express = require("express");
const mongoose = require('mongoose');

const app= express()



app.use(express.json());


let vcap_services = JSON.parse(process.env.VCAP_SERVICES);
let replicaSetName = vcap_services['mongodb-innoworks'][0].credentials.replicaSetName;
let db = vcap_services['mongodb-innoworks'][0].credentials.uri + '?replicaSet=' + replicaSetName;


mongoose.connect(db)
  .then(() => console.log('Connected to the MongoDB...'))
  .catch(err => console.log('Could not connect to MongoDB...', err));


const bookSchema = new mongoose.Schema({
    date: Date,
    topic:String,
    data: Number,

},{versionKey:false});

const Bookmq = mongoose.model('Bookmq', bookSchema);


app.get('/',(req,res)=>{
    res.send('hello world');
});
app.get('/book',(req,res)=>{
    Bookmq.find({}).then((err,books)=>{
      if(err)
        res.send(err);
      else{
        res.json(books);
      }
    });
});

app.post('/api/book', (req, res) => {
    const bookmq = new Bookmq({
      date: req.body.date,
      topic: req.body.topic,
      data: req.body.data
    });

    bookmq.save();
    res.send(bookmq);
  });



const port = process.env.port || 3000
app.listen(port,(req,res)=>{
    console.log(`listen port on ${port}`);
});