var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var mLogger = require('morgan');
var logger = require('./config/winston');
const helmet = require('helmet');

var indexRouter = require('./routes/index');
var aboutRouter = require('./routes/about');
var contactRouter = require('./routes/contact');

var app = express();

if (process.env.IS_DOCKER != 'true')
  app.set('trust proxy', 'loopback,uniquelocal');
app.disable('x-powered-by');

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

if (process.env.NODE_ENV === 'production') {
  app.use(mLogger('common', { stream: logger.stream }));
} else {
  app.use(mLogger('dev'));
}

app.use(helmet());
app.use(
  helmet.contentSecurityPolicy({
    directives: {
      defaultSrc: ["'self'"],
      scriptSrc: [
        "'self'",
        "'unsafe-inline'",
        "'unsafe-eval'",
        'https://hcaptcha.com',
        'https://*.hcaptcha.com',
        'https://cdn.ravenjs.com/',
        'https://cdnjs.cloudflare.com/',
        'https://cdn.jsdelivr.net/',
        'https://*.cloudfront.net/',
      ],
      imgSrc: [
        "'self'",
        'https://blog.pastel.codes',
        'https://static.ghost.org',
        'https://secure.gravatar.com',
        'data: ',
      ],
      styleSrc: [
        "'self'",
        "'unsafe-inline'",
        'https://hcaptcha.com',
        'https://*.hcaptcha.com',
      ],
      fontSrc: ["'self'", 'data:'],
      frameSrc: ['https://hcaptcha.com', 'https://*.hcaptcha.com'],
      objectSrc: ["'none'"],
      upgradeInsecureRequests: [],
    },
  })
);

app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use('/obsidian', express.static(path.join(__dirname, 'obsidian')));

app.use('/', indexRouter);
app.use('/about', aboutRouter);
app.use('/contact', contactRouter);

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

// error handler
app.use(function (err, req, res, _next) {
  // 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', { title: 'Error', description: 'Error' });
});

module.exports = app;
