const express = require("express");
const app = express();
const dotenv = require("dotenv").config();
const spotify = require("./credentials");
const bodyParser = require("body-parser");
const cors = require("cors");
const querystring = require('querystring');

const authorizeSpotify = require("./authorizeSpotify");
const getAccessToken = require("./getAccessToken");

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

app.get("/auth", authorizeSpotify);
app.get("/callback", getAccessToken, (req, res, next) => {

    res.redirect(
        `${process.env.CLIENT_URL}/` +
            querystring.stringify({
                access_token: req.credentials.access_token,
                refresh_token: req.credentials.refresh_token
            })
    );
});

app.set("port", process.env.PORT || 8888);
const server = app.listen(app.get("port"), () => {
    console.log(`Starting server on ${server.address().port}`);
});