app.js

if (process.env.NODE_ENV != "production") {
  require("dotenv").config();
};
const express = require("express");
const app = express();
const port = 3000;
const ejsmate = require("ejs-mate");
const path = require("path");
const mongoose = require("mongoose");
const methodOverride = require("method-override");
const ExpressError = require("./utils/ExpressError");
const indexRoutes = require("./routes/index");
const bookingRoutes = require("./routes/booking");
const listingsRouter = require("./routes/listings");
const hostRoutes = require("./routes/host");
const reviewsRouter = require("./routes/review");
const userRouter = require("./routes/user");
const session = require("express-session");
const MongoStore = require("connect-mongo");
const flash = require("connect-flash");
const passport = require("passport");
const LocalStrategy = require("passport-local");
const User = require("./models/user");
const dbUrl = process.env.ATLASDB_URL;

app.engine("ejs", ejsmate);

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

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

async function main() {
  await mongoose.connect(dbUrl);
}
main()
  .then(() => console.log("Connected to DB"))
  .catch((err) => console.log(err));

  const store = MongoStore.create({
    mongoUrl: dbUrl,
    crypto:{
      secret:process.env.SECRET
    },
    touchAfter: 24 * 60 * 60
  })
  store.on("error",()=>{
    console.log*("ERROR IN MONGO SESSION STORE",err);
  })
const sessionOptions = {
  store,
  secret: process.env.SECRET,
  resave: false,
  saveUninitialized: true,
  cookie: {
    expires: Date.now() + 7 * 24 * 60 * 60 * 1000,
    maxAge: 7 * 24 * 60 * 60 * 1000,
    httpOnly: true,
  },
};

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

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.success = req.flash("success");
  res.locals.error = req.flash("error");
  res.locals.currUser = req.user;
  next();
});

// app.get("/demouser",async(req,res)=>{
//   let fakeUser = new User({
//     email: "student@gmail.com",
//     username: "student",
//   });
//   let registeredUser = await User.register(fakeUser,"HelloWorld");
//   res.send(registeredUser);
// })

app.use("/", indexRoutes); 
app.use("/host", hostRoutes);
app.use("/listings", listingsRouter);
app.use("/listings/:id/reviews", reviewsRouter);
app.use("/booking", bookingRoutes);
app.use("/", userRouter);



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

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

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