const express = require('express');

const path = require('path');

const app = express();

const apiRouter = require('./server/routes/api.js');

const PORT = 3000;

const sampleController = require('./server/sampleController.js');

const passport = require('passport');

const cookieSession = require('cookie-session');

require('./passport');

const cookieParser = require('cookie-parser');

//so we can get info from cookies

app.use(cookieParser());

// handle parsing request body - both of these are from boiler plate

app.use(express.json());

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

// handle requests for static files

app.use('/build', express.static(__dirname + '/build'));

// serve the app to main domain

app.get('/', (req, res) => {

return res.sendFile(path.resolve(__dirname, './index.html'));

});

// api route handler

app.use('/api', apiRouter);

/////////////////////////////////////// PASSPORT STARTS ////////////////////////////////////////

//Configure Session Storage -- this is part of passport

app.use(

cookieSession({

name: 'session-name',

keys: ['key1', 'key2'],

})

);

//Configure Passport

app.use(passport.initialize());

app.use(passport.session());

//don't really use this in our setup because it's hard to fake a bad password request. but this is boiler plate

app.get('/failed', (req, res) => {

res.send('<h1>Log in Failed :(</h1>');

});

// Middleware - Check user is Logged in

const checkUserLoggedIn = (req, res, next) => {

req.user ? next() : res.sendStatus(401);

};

//we commented this out to take away the in between step for /flights path

//Protected Route.

// app.get('/profile', checkUserLoggedIn, (req, res) => {

// res.redirect('/flights');

// });

//grab flights path

app.get('/flights', (req, res) => {

res.sendFile(path.resolve(__dirname, './index.html'));

});

// Auth Routes -- boiler plate passport

app.get(

'/auth/google',

passport.authenticate('google', { scope: ['profile', 'email'] })

);

// main response path after successful login with google

app.get(

'/auth/google/callback',

passport.authenticate('google', { failureRedirect: '/failed' }),

function (req, res, next) {

//grabbing the user data from the google login

const userData = {

id: req.user.id,

name: req.user.displayName,

email: req.user.emails[0].value,

ssid: req.cookies['session-name.sig'],

};

console.log(userData);

//storing data into res.locals for access to add profile to users table in sql db

res.locals.id = req.user.id;

res.locals.name = req.user.displayName;

res.locals.email = req.user.emails[0].value;

res.locals.ssid = req.cookies['session-name.sig'];

//this is kind of a strange path working around because we need to access the userInfo data to our addProfile middleware

res.redirect('/flights');

next();

},

//this middleware adds the userData to the users table in sql database

sampleController.addProfile,

(req, res) => {

console.log('profile added into DB');

}

);

//Logout -- don't really use this yet but it does log us out of OAuth

app.get('/logout', (req, res) => {

req.session = null;

req.logout();

res.redirect('/');

});

// route handler for viewing profile

app.get('/profile', (req, res) => {

res.sendFile(path.resolve(__dirname, './index.html'));

});

// 404 error handler for requests to unknown route

app.use((req, res) => res.status(404).send('Please try another page...'));

// global error handler

app.use((err, req, res, next) => {

const defaultErr = {

log: 'Express error handler caught unknown middleware error',

status: 500,

message: { err: 'An error occurred' },

};

const errorObj = Object.assign({}, defaultErr, err);

console.log(errorObj.log);

return res.status(errorObj.status).json(errorObj.message);

});

app.listen(PORT, () => {

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

});