app.js

const dotenv = require('dotenv');
const express = require('express');
const mongoose = require('mongoose');
const passport = require('passport');
const session = require('express-session');
const messageRoutes = require('./routes/messages');
const indexRoutes = require('./routes/index');
const authRoutes = require('./routes/auth');
const dashboardRoutes = require('./routes/dashboard');
const notificationRoutes = require('./routes/notification');
const dataRoutes = require("./routes/data");
const segmentRoutes = require("./routes/segment");
const campaignRoutes = require("./routes/campaign");

const User = require('./models/user');

// Load environment variables from .env file
dotenv.config();

// Initialize Express app
const app = express();

app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use((req, res, next) => {
  res.setHeader(
    "Content-Security-Policy",
    "default-src 'self'; font-src 'self' https://fonts.googleapis.com https://fonts.gstatic.com; style-src 'self' https://fonts.googleapis.com; script-src 'self';"
  );
  next();
});

// Connect to MongoDB
mongoose
  .connect(process.env.MONGODB_URI, {
    useNewUrlParser: true,
    useUnifiedTopology: true,
  })
  .then(() => console.log('Connected to MongoDB'))
  .catch((error) => console.error('MongoDB connection error:', error));

// Passport Configuration
const GoogleStrategy = require('passport-google-oauth20').Strategy;
passport.use(
  new GoogleStrategy(
    {
      clientID: process.env.GOOGLE_CLIENT_ID,
      clientSecret: process.env.GOOGLE_CLIENT_SECRET,
      // callbackURL: "/auth/google/onecrm",
      callbackURL: "https://cliqly.onrender.com/auth/google/onecrm",

      userProfileURL: "https://www.googleapis.com/oauth2/v3/userinfo"
    },
    async (accessToken, refreshToken, profile, done) => {
      try {
        let user = await User.findOne({ googleId: profile.id });

        if (user) {
          done(null, user);
        } else {
          user = await User.create({
            googleId: profile.id,
            name: profile.displayName,
            profileImage: profile.photos[0].value,
          });
          done(null, user);
        }
      } catch (error) {
        console.error(error);
        done(error, null);
      }
    }
  )
);

passport.serializeUser((user, done) => {
  done(null, user.id);
});

passport.deserializeUser(async (id, done) => {
  try {
    const user = await User.findById(id).exec();
    done(null, user);
  } catch (error) {
    done(error, null);
  }
});

// Middleware
app.set('view engine', 'ejs');
app.use(express.urlencoded({ extended: true }));
app.use(express.static('public'));
app.use(
  session({
    secret: process.env.SESSION_SECRET,
    resave: false,
    saveUninitialized: false,
  })
);
app.use(passport.initialize());
app.use(passport.session());


// Routes
app.use('/', indexRoutes);
app.use('/auth', authRoutes);
app.use('/notifications', notificationRoutes);
app.use('/dashboard', dashboardRoutes);
app.use("/api/data", dataRoutes);
app.use("/segments", segmentRoutes);
app.use("/campaigns", campaignRoutes);
app.use('/api/messages', messageRoutes);

// Start the server
const PORT = process.env.PORT || 3000;
app.listen(PORT, () => {
  console.log(`Server running on port ${PORT}`);
});