app.js

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

const express = require("express");
const app = express();
const path = require("path");
const methodOverride = require("method-override");
const mongoose = require("mongoose");
const engine = require("ejs-mate");
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 ExpressError = require("./ExpressError");
const User = require("./models/user.js");

const atlas_url = process.env.ATLAS_DB;

mongoose.connect(atlas_url)
  .then(() => console.log("✅ Connected to MongoDB Atlas"))
  .catch(err => console.error("❌ MongoDB connection error:", err));

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

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

const store = MongoStore.create({
  mongoUrl: atlas_url,
  crypto: {
    secret: process.env.SECRET,
  },
  touchAfter: 24 * 3600,
});
store.on("error", err => console.log("Session store error:", err));

const sessionConfig = {
  store,
  secret: process.env.SECRET,
  resave: false,
  saveUninitialized: true,
  cookie: {
    expires: new Date(Date.now() + 1000 * 60 * 60 * 24 * 7),
    httpOnly: true,
    // secure: false,
    secure: process.env.NODE_ENV === 'production', 
  },
};

app.use(session(sessionConfig));
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.CUser = req.user; 
  next();
});


// Import routers after all middleware that they might depend on (like passport, flash)
const listingRouter = require("./routes/listings.js"); 
const reviewRouter = require("./routes/review");   
const userRouter = require("./routes/user");
app.use("/listings", listingRouter);
app.use("/listings/:id/reviews", reviewRouter);
app.use("/", userRouter); // User routes are often mounted at the root

app.get("/", (req, res) => {
  res.redirect("/listings");
});

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

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



const PORT = process.env.PORT || 8080;
app.listen(PORT, () => {
  console.log(`Server running on port ${PORT}`);
});