app.js

if(process.env.NODE_ENV !== "production"){
    require('dotenv').config();
}

const express = require('express');
const path = require('path');
const ejsMate = require('ejs-mate');
const mongoose = require('mongoose');
const methodOverride =  require('method-override');
const session = require('express-session');
const flash = require('connect-flash');
const ExpressError = require('./utils/ExpressError');
const helmet = require('helmet');

const mongoSanitize = require('express-mongo-sanitize');


const campgroundRoutes = require('./routes/campgrounds');
const reviewRoutes = require('./routes/reviews');
const userRoutes = require('./routes/users');

const passport = require('passport');
const LocalStrategy = require('passport-local');
const User = require('./models/user');

const MongoStore = require('connect-mongo');

//const dbUrl = process.env.DB_URL;

const secret = process.env.SECRET||'thisshouldbeabettersecret!';

const dbUrl = process.env.DB_URL || 'mongodb://localhost:27017/yelp-camp';


mongoose.connect(dbUrl, {
    useNewUrlParser: true,
    useCreateIndex: true,
    useUnifiedTopology: true,
    useFindAndModify: false
});

const db = mongoose.connection;
db.on('error', console.error.bind(console, "connection error:"));
db.once("open", () => {
    console.log("Database Connected");
});

const app = express();



app.engine('ejs', ejsMate);
app.set('view engine', 'ejs');
app.set('views', path.join(__dirname, 'views'));

app.use(express.urlencoded({extended: true}));
app.use(methodOverride('_method'));
app.use(express.static(path.join(__dirname, 'public')));

app.use(mongoSanitize({
    replaceWith: '_'
}))


const store = MongoStore.create({
    mongoUrl: dbUrl,
    secret,
    touchAfter: 24 * 60 * 60
});

store.on("error", function (e) {
    console.log("SESSION STORE ERROR", e)
})


const sessionConfig = {
    store,
    name: 'session',
    secret,
    resave: false,
    saveUninitialized: true,
    cookie: {
        httpOnly: true,
        expires: Date.now() + 1000*60*60*24,
        maxAge: 1000*60*60*24
    }
}
app.use(session(sessionConfig));
app.use(flash());
app.use(helmet());

const scriptSrcUrls = [
    "https://stackpath.bootstrapcdn.com/",
    "https://api.tiles.mapbox.com/",
    "https://api.mapbox.com/",
    "https://kit.fontawesome.com/",
    "https://cdnjs.cloudflare.com/",
    "https://cdn.jsdelivr.net/",
];
const styleSrcUrls = [
    "https://kit-free.fontawesome.com/",
    "https://stackpath.bootstrapcdn.com/",
    "https://api.mapbox.com/",
    "https://api.tiles.mapbox.com/",
    "https://fonts.googleapis.com/",
    "https://use.fontawesome.com/",
    "https://cdn.jsdelivr.net/",
];
const connectSrcUrls = [
    "https://api.mapbox.com/",
    "https://a.tiles.mapbox.com/",
    "https://b.tiles.mapbox.com/",
    "https://events.mapbox.com/",
];
const fontSrcUrls = [];
app.use(
    helmet.contentSecurityPolicy({
        directives: {
            defaultSrc: [],
            connectSrc: ["'self'", ...connectSrcUrls],
            scriptSrc: ["'unsafe-inline'", "'self'", ...scriptSrcUrls],
            styleSrc: ["'self'", "'unsafe-inline'", ...styleSrcUrls],
            workerSrc: ["'self'", "blob:"],
            objectSrc: [],
            imgSrc: [
                "'self'",
                "blob:",
                "data:",
                "https://res.cloudinary.com/fiaztech/", //SHOULD MATCH YOUR CLOUDINARY ACCOUNT! 
                "https://images.unsplash.com/",
            ],
            fontSrc: ["'self'", ...fontSrcUrls],
        },
    })
);




app.use(passport.initialize());
app.use(passport.session());
passport.use(new LocalStrategy(User.authenticate()));

passport.serializeUser(User.serializeUser());
passport.deserializeUser(User.deserializeUser())

app.use((req, res, next) => {
    res.locals.currentUser = req.user;
    res.locals.success = req.flash('success');
    res.locals.error = req.flash('error');
    next();
})

//app.get('/fakeuser', async(req, res) => {
    //const user = new User({email: 'jokejoke@gmail.com', username: 'jokeapart'});
    //const newUser = await User.register(user, 'chicken');
   // res.send(newUser);
//})


app.use('/campgrounds', campgroundRoutes);
app.use('/campgrounds/:id/reviews', reviewRoutes);
app.use('/', userRoutes);

app.get('/', (req, res) => {
    res.render('home')
});

app.all('*', (req, res, next) => {
    next(new ExpressError('Page not found', 404))
})

app.use((err, req, res, next) => {
    const { statusCode = 500 } = err;
    if(!err.message) err.message = 'Oh no something went Wrong'
    res.status(statusCode).render('error', { err })
    //res.send('OMO something has gone wrong ooo!!!')
})


const port = process.env.PORT || 3000;

app.listen(port, () => {
    console.log(`SERVING ON PORT ${port}`)
})