index.js

const express = require("express");
const mongoose = require("mongoose");
const cookieSession = require("cookie-session");
const passport = require("passport");
const keys = require("./config/keys");
//passport.js requires the user schema, thus requiring the
//models.User before it
require("./models/User");
require("./services/passport");
//const authRoutes = require("./routes/authRoutes");
//const passportConfig = require('./services/passport');
//because we are not exporting passport.js and here we are not saving
//to some other const we can simple require it like so

mongoose.connect(keys.mongodb_uri);

const app = express();

//enabling cookies
app.use(
  cookieSession({
    maxAge: 30 * 24 * 60 * 60 * 1000,
    keys: [keys.cookieKey] //encrypting our cookie token
  })
);

//tell passport to make use of cookies to handle authentication
app.use(passport.initialize());
app.use(passport.session());
//authRoutes(app);
//requiring authRoutes returns a function and we call it with passing our app object immediately

require("./routes/authRoutes")(app);

const PORT = process.env.PORT || 5000;
app.listen(PORT);

// app.get("/", (req, res) => {
//   res.send({ hi: "there" });
// });

// https://accounts.google.com/o/oauth2/v2/auth?
// response_type=code&
// redirect_uri=http%3A%2F%2Flocalhost%3A5000%2Fauth%2Fgoogle%2Fcallback&
// scope=profile%20
// email&
// client_id=352151147870-eii8gs3ljoo8fjs6se27uukh60a1eupm.apps.googleusercontent.com