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var http      = require('http');
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var express   = require('express');
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var fs        = require('fs');
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var io        = require('socket.io');
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var Mustache  = require('mustache');
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var app       = express();
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var staticDir = express.static;
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var server    = http.createServer(app);
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io = io(server);
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var opts = {
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	port :      1947,
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	baseDir :   __dirname + '/../../'
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};
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io.on( 'connection', function( socket ) {
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	socket.on( 'new-subscriber', function( data ) {
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		socket.broadcast.emit( 'new-subscriber', data );
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	});
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	socket.on( 'statechanged', function( data ) {
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		delete data.state.overview;
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		socket.broadcast.emit( 'statechanged', data );
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	});
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	socket.on( 'statechanged-speaker', function( data ) {
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		delete data.state.overview;
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		socket.broadcast.emit( 'statechanged-speaker', data );
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	});
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});
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[ 'css', 'js', 'images', 'plugin', 'lib' ].forEach( function( dir ) {
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	app.use( '/' + dir, staticDir( opts.baseDir + dir ) );
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});
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app.get('/', function( req, res ) {
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	res.writeHead( 200, { 'Content-Type': 'text/html' } );
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	fs.createReadStream( opts.baseDir + '/index.html' ).pipe( res );
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});
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app.get( '/notes/:socketId', function( req, res ) {
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	fs.readFile( opts.baseDir + 'plugin/notes-server/notes.html', function( err, data ) {
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		res.send( Mustache.to_html( data.toString(), {
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			socketId : req.params.socketId
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		}));
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	});
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});
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// Actually listen
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server.listen( opts.port || null );
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var brown = '\033[33m',
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	green = '\033[32m',
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	reset = '\033[0m';
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var slidesLocation = 'http://localhost' + ( opts.port ? ( ':' + opts.port ) : '' );
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console.log( brown + 'reveal.js - Speaker Notes' + reset );
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console.log( '1. Open the slides at ' + green + slidesLocation + reset );
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console.log( '2. Click on the link in your JS console to go to the notes page' );
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console.log( '3. Advance through your slides and your notes will advance automatically' );
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