app.js

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

const express = require ("express");
const app = express();
const mongoose = require ("mongoose");
const Listing = require("./models/listing.js");
const path = require("path");
const methodOverride = require('method-override')
const ejsMate = require('ejs-mate');
const wrapAsync = require("./utils/wrapAsyc.js");
const expressError = require("./utils/ExpressError.js");
const schemaValidation = require("./Schema.js");
const Review = require("./models/review.js");
const User = require("./models/user.js");

const listingRoute = require("./routes/listings.js");
const reviewRoute = require("./routes/review.js");
const userRoute = require("./routes/user.js");

const session = require("express-session");
const flash = require('connect-flash');
const MongoStore = require('connect-mongo');
const cookieParser = require('cookie-parser');
const passport = require("passport");
const LocalStrategy = require("passport-local");


const {isLogin} = require("./middleware.js");


let dbUrl = process.env.ATLASDB_URL;

async function main() {
    console.log(dbUrl);
    await mongoose.connect(dbUrl);
};

main()
    .then(()=>{
        console.log("connected to mongoDB")
    })
    .catch((err)=>{
        console.log(err)
    });

app.use(methodOverride('_method'));

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

app.use(express.static(path.join(__dirname,"/public"))); // to use static files



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

app.engine('ejs', ejsMate); // to use ejs mate



// Mongo session
const store = MongoStore.create({
    mongoUrl: dbUrl,
    crypto: {
        secret : process.env.SECRET,
    },
    touchAfter: 24*3600
})

store.on("error", ()=>{
    console.log("Error in Mongo Session Store",err)
})

// session and flash
let sessionOptions = {
    store,
    secret : process.env.SECRET,
    resave: false,
    saveUninitialized: true,
    cookie: {
        expires: Date.now() + 14*24*60*60*1000,
        maxAge: 14*24*60*60*1000,
        httpOnly: true,
    },
}

app.use(session(sessionOptions));
app.use(flash());



// passport

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

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

//flash middleware
app.use((req,res, next)=>{
    res.locals.user = req.user;
    res.locals.success = req.flash("success");
    res.locals.error = req.flash("error");
    
    next();
})

// app.use((req,res,next)=>{
    
//     // console.log(req.user)
//     next();
// })



// listings route
app.use("/listings", listingRoute)


//Review
app.use("/listings/:id/review", reviewRoute);

// signup and login
app.use("/", userRoute);

//error handling 
app.use((req,res,next)=>{
    next(new expressError(404,"Page Not Found")); 
    // <-- Mem told method
    // res.redirect("/listings")
        
});

app.use((err,req,res,next)=>{
    let {status=500,message}= err;
    res.status(status).render("./listings/error.ejs", {message});
    
})

app.listen(8080, ()=>{
    console.log('port is listening at 8080')
});

// app.get("/testlisting", async (req,res)=>{
//     let list1 = new Listing({
//         title : "Suite 2",
//         description: "Sweet Home 2 like Stay",
//         price: 18845,
//         image : "",
//         location : "Oman",
//         country : "Africa",
//     });

//     await list1.save();

//     let check = await Listing.find();
//     res.send(check);
// })