const http = require('http');
const port = process.env.PORT || 3000;
const express = require("express");
const app = express();
const bodyParser = require('body-parser');
const mysql = require('mysql');

app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended: true}));

var pool = mysql.createPool({
    host     : 'us-cdbr-iron-east-01.cleardb.net',
    database : 'heroku_0eb7f5cb78edbb4',
    user     : 'b65a2ecbca8dd3',
    password : '84489aa7',
});


app.listen(port, (err) => {
  if (err) {
    return console.log('something bad happened', err)
  }

  console.log(`server is listening on ${port}`)
});

pool.getConnection(function(err, connection) {
    if (err) throw err; // not connected!

    console.log('Connected to DB as id ' + connection.threadId + '!');
    connection.release();
});

app.get('/', function (req, res) {
  console.log('default route');
  return res.status(200).send("at default route");
});

// Retreives the address, city, state, zip_code given the first, middle, and last name
// of the physician
app.get('/physicianloc', function (req, res) {
    let first = req.query.first_name;
    let middle = req.query.middle_name;
    let last = req.query.last_name;

    pool.getConnection(function(err, connection) {
        if (err) throw err; // not connected!

        console.log('Connected to DB as id ' + connection.threadId + '!');

        var query = 'SELECT * FROM physicians WHERE first_name=?' +
                      'AND middle_name=? AND last_name=?';
        connection.query(query, [first, middle, last], function (error, results, fields) {
            if (error) throw error;

            var result = res.status(200).send(results);

            connection.release();
            return result;
        });

    });
});


// connection.query('SELECT * FROM employee', function (error, results, fields) {
//     if (error)
//         throw error;
//
//     results.forEach(result => {
//         console.log(result);
//     });
// });
//
// connection.end();