app.js

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

const express = require('express');
const path = require('path');
const mongoose = require('mongoose');
const ejsMate = require('ejs-mate');
const session =require('express-session')
const flash=require('connect-flash')
const ExpressError = require('./utils/ExpressErrors');
const methodOverride = require('method-override');
const passport = require('passport')
const LocalStrategy = require('passport-local')
const User=require('./models/user')


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

const userRoutes=require('./routes/users')
const campgroundRoutes=require('./routes/campground')
const reviewRoutes=require('./routes/reviews');
const MongoStore = require('connect-mongo');

const dbUrl =process.env.DB_URL
// 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())

const { connect } = require('./routes/reviews');
const { contentSecurityPolicy } = require('helmet');











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

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

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


const sessionConfig={

    name:'session',
    secret,
    resave:false,
    saveUninitialized:true,
    cookie:{
        httpOnly:true,
       // secure:true,
        expires:Date.now()+1000*60*60*24*7,
        maxAge: 1000*60*60*24*7
    }
}

app.use(session(sessionConfig))
app.use(flash())
app.use(helmet( {contentSecurityPolicy: false}))



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


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 })
})

const port=process.env.PORT||3000

app.listen(port, () => {
    console.log(`Serving on port ${port}`)
})