app.js

const mongoose = require("mongoose");
const express = require('express');
const path = require('path');
const cookieParser = require('cookie-parser');
const logger = require('morgan');
require("./models/User")
require("./models/Confession")

require("./models/Topic")
const cors = require('cors');
const debug = require('debug');
const csurf = require('csurf');
const passport = require('passport');
// const indexRouter = require('./routes/index');
const usersRouter = require('./routes/api/users');
const confessionsRouter = require('./routes/api/confessions');
const csrfRouter = require('./routes/api/csrf');
const http = require('http');

const messageRoutes = require("./routes/api/messages")
const topicsRouter = require('./routes/api/topics');


const app = express();

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(passport.initialize());

const { isProduction } = require('./config/keys');


if (!isProduction) {
    app.use(cors());
}

app.use(
    csurf({
        cookie: {
            secure: isProduction,
            sameSite: isProduction && "Lax",
            httpOnly: true
        }
    })
);

// app.use('/', indexRouter);
app.use('/api/users', usersRouter);
app.use('/api/csrf', csrfRouter);


app.use('/api/messages', messageRoutes)
app.use('/api/confessions', confessionsRouter);
app.use('/api/topics', topicsRouter);

// Serve static React build files statically in production
if (isProduction) {
    const path = require('path');
    // Serve the frontend's index.html file at the root route
    app.get('/', (req, res) => {
        res.cookie('CSRF-TOKEN', req.csrfToken());
        res.sendFile(
            path.resolve(__dirname, './frontend', 'build', 'index.html')
        );
    });

    // Serve the static assets in the frontend's build folder
    app.use(express.static(path.resolve("./frontend/build")));

    // Serve the frontend's index.html file at all other routes NOT starting with /api
    app.get(/^(?!\/?api).*/, (req, res) => {
        res.cookie('CSRF-TOKEN', req.csrfToken());
        res.sendFile(
            path.resolve(__dirname, './frontend', 'build', 'index.html')
        );
    });
}



app.use((req, res, next) => {
    const err = new Error("Not Found");
    err.statusCode = 404;
    next(err);
});


const serverErrorLogger = debug('backend:error');

app.use((err, req, res, next) => {
    serverErrorLogger(err);
    const statusCode = err.statusCode || 500;
    res.status(statusCode);
    res.json({
        message: err.message,
        statusCode,
        errors: err.errors
    })
});

module.exports = app;