const config = require('./config/config');
const createError = require('http-errors');
const express = require('express');
const path = require('path');
const cookieParser = require('cookie-parser');
const logger = require('morgan');
const mongoose = require('mongoose');
const passport = require('passport');

const app = express();

mongoose.connect(config.mongoose.uri, config.mongoose.options, function (err) {
    if (err) console.log(err);
    mongoose.set('debug', true);
    console.log('mongoose connected');
});

// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');

app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

// passport middleware
app.use(passport.initialize());
require('./config/passport')(passport);

// use routes
const authRouter = require('./routes/api/auth');
const profileRouter = require('./routes/api/profile');
const balanceRouter = require('./routes/api/balance');
const accountRouter = require('./routes/api/account');
app.use('/api/auth', authRouter);
app.use('/api/profile', profileRouter);
app.use('/api/balance', balanceRouter);
app.use('/api/account', accountRouter);

if (process.env.NODE_ENV === 'production') {
    app.use(express.static('client/build'));
    app.get('*', (req, res) => {
        res.sendFile(path.resolve(__dirname, 'client', 'build', 'index.html'));
    });
}

// catch 404 and forward to error handler
app.use(function(req, res, next) {
    next(createError(404));
});

// error handler
app.use(function(err, req, res) {
    // set locals, only providing error in development
    res.locals.message = err.message;
    res.locals.error = req.app.get('env') === 'development' ? err : {};

    // render the error page
    res.status(err.status || 500);
    res.render('error');
});

module.exports = app;