const express = require('express');
const app = express();
const DataStore = require('nedb');
const { response } = require('express');
const PORT = process.env.PORT || 5000;

app
    .use(express.static(__dirname + '/public'))
    .use(express.json())
    .get('/', (req, res) => res.render('public/index'))
    .listen(PORT, () => console.log(`Listening on ${PORT}`))


const database = new DataStore('data.db');
database.loadDatabase();

app.get('/student', (req, res) => {
    database.find({}, (err, data) => {
        res.json(data);
    });
});

app.post('/student', (req, res) => {
  database.insert(req.body, function(err, newStudent){
    if (err){
      res.status(500).json(err);
    }
    console.log("new student added", newStudent);
    //res.json(newStudent);
    database.persistence.compactDatafile()
  });
});

app.delete('/student', (req, res) => {
  console.log(req.body)
  database.remove({name: req.body.name}, {}, function(err, newStudent){
    if (err){
      res.status(500).json(err);
    }
    console.log("student removed", newStudent);
     database.persistence.compactDatafile()
    //return res.send("Stdent has been removed");

  });
  // database.persistence.compactDatafile()
  //res.send("Seems like we don't have anything to delete");
});

app.put('/student', (req, res) => {
  database.update({name : req.body.name}, {$set: {weight: req.body.weight, height: req.body.height, hairColour: req.body.hairColour, gpa: req.body.gpa}}, function(err, newStudent){
    if (err){
      res.status(500).json(err);
    }
    //res.json(newStudent);
    database.persistence.compactDatafile()
  });
});