var url = require( 'url' ),
http = require( 'http' ),
https = require( 'https' );

function Proxy( api, port ) {
	var that = this;
	this.api = api;
	this.port = port;
	this.server = api.createServer( function ( clientRequest, clientResponse ) {
		that.request = new Request( clientRequest, clientResponse );
	} );
	this.server.listen( this.port );
}
Proxy.prototype = {
	stop: function ( ) {
		this.server.close( );
	}
};

function Request( clientRequest, clientResponse ) {
	this.clientRequest = clientRequest;
	this.clientResponse = clientResponse;
	this.$_GET = url.parse( clientRequest.url, true ).query;
	this.url = this.$_GET.url;
	if ( this.url ) {
		var clientRequestUrl = this.clientRequestUrl = url.parse( this.url );
		this.ssl = clientRequestUrl.protocol !== 'http:';
		this.api = this.ssl ? https : http;
		this.requestOptions = {
			host: clientRequestUrl.hostname,
			method: clientRequest.method,
			port: clientRequestUrl.port || ( this.ssl ? 443 : 80 ),
			path: clientRequestUrl.path || ('/'),
			headers: clientRequest.headers
		};
		this.handle( );
	} else {
		clientResponse.end( 'Need url!' );
	}
}
Request.prototype = {
	handle: function ( ) {
		var that = this;
		var clientResponse = that.clientResponse;
		var clientRequest = that.clientRequest;console.log( this.requestOptions );
		var serverRequest = this.serverRequest = this.api.get( this.requestOptions, function ( serverResponse ) {
			that.serverResponse = serverResponse;

			serverResponse.on( 'data', function ( chunk ) {
				clientResponse.write( chunk, 'binary' );
			} );
			serverResponse.on( 'end', function ( ) {
				clientResponse.end( );
			} );

			var headers = serverResponse.headers;
			if ( headers.Location ) {console.log( headers.Location );
				//headers = Object.create( headers );
				headers.Location = url.parse( clientRequest.url ).pathname + '?url=' + headers.Location;
				console.log( headers.Location );
			}

			clientResponse.writeHead( serverResponse.statusCode, serverResponse.headers );

			clientRequest.on( 'data', function ( chunk ) {
				serverRequest.write( chunk, 'binary' );
			} );
			clientRequest.on( 'end', function ( ) {
				serverRequest.end( );
			} );
		} ).on( 'error', function ( e ) {
			if ( ++that.errors <= 5 ) {
				that.handle( );
			} else {
				clientResponse.end( 'Can\'t reach url: "' + that.url + '" (' + e + ')!' );
			}
		} );
	},
	errors: 0
};

typeof proxy !== 'undefined' && proxy.stop( );
proxy = new Proxy( require( 'http' ), 80 );
//new Proxy( require( 'https' ), 8243 );