import 'dotenv/config';
import express from 'express';
import cookieParser from 'cookie-parser';
import path from 'path';
import { requireAuth } from './middleware/requireAuth';
import { requireAccess, STYLES_RULES } from './middleware/requireAccess';
import { publicFontsRouter, apiFontsRouter } from './routes/fonts';

const app = express();

app.set( 'trust proxy', 1 );
app.use( express.json() );
app.use( cookieParser() );

// CORS for public font resources — only allowed origins receive the header
const CORS_ALLOWED: Array<string | RegExp> = [
  /^https?:\/\/([\w-]+\.)?rokojori\.com$/,
];

function allowFontCors( req: express.Request, res: express.Response, next: express.NextFunction ): void
{
  const origin = req.headers.origin;
  if ( origin && CORS_ALLOWED.some( rule => typeof rule === 'string' ? rule === origin : rule.test( origin ) ) )
  {
    res.set( 'Access-Control-Allow-Origin', origin );
  }
  next();
}

app.use( '/get-font', allowFontCors );
app.use( '/fonts',    allowFontCors );

// Public: font CSS endpoint
app.use( publicFontsRouter );

// Public: raw font files
app.use( '/fonts', express.static( path.join( __dirname, '..', '..', 'storage', 'fonts' ) ) );

// Auth-gated: font management API
app.use( '/api/fonts', requireAuth, requireAccess( STYLES_RULES ), apiFontsRouter );

// Auth-gated: pages (served dynamically so middleware can run before sending the file)
const pagesDir = path.join( __dirname, '..', '..', 'build', 'app' );

app.get( '/list-fonts', requireAuth, requireAccess( STYLES_RULES ), ( _req, res ) =>
{
  res.sendFile( path.join( pagesDir, 'list-fonts.html' ) );
} );

app.get( '/add-fonts', requireAuth, requireAccess( STYLES_RULES ), ( _req, res ) =>
{
  res.sendFile( path.join( pagesDir, 'add-fonts.html' ) );
} );

// Public: static pages (index.html, assets)
app.use( express.static( pagesDir ) );

const PORT = process.env.PORT ? Number( process.env.PORT ) : 3002;
app.listen( PORT, () => console.log( `styles running on http://localhost:${PORT}` ) );