var express = require('express');
var app = express();
var bodyParser = require('body-parser');
app.use(bodyParser.urlencoded({
    extended: false
}));
app.use(bodyParser.json());
var books = new Array();


app.get('/books/:bookId', function (req, res) {
    var bookId = req.params.bookId;
    console.log(books[bookId]);
    res.send(books[bookId]);
});
/*
 * json representation of book object
{
	"id" : 2,
	"name" : "book2",
	"price" : 2000,
	"author" : "jin"
}
*/
app.post('/books', function (req, res) {
    // Create book information
    books[req.body.id] = [req.body.id, req.body.name, req.body.price, req.body.author];
    res.send(books[req.body.id]);
})

app.put('/books', function (req, res) {
   books[req.body.id] = [req.body.id, req.body.name, req.body.price, req.body.author];
   res.send(books[req.body.id]);
})
app.delete('/books/:bookId', function (req, res) {
    var index = req.param('bookId');
    console.log(index);
    if (index > -1) {
        books.splice(index, 1);
    }
    res.send(req.param('bookId'));
})

var server = app.listen(80);
console.log(books);