var express = require('express');
var router = express.Router();
// catch the "readData.php" url
router.get('/readData.php', function(req, res, next) {
	if (request.method === 'POST') {
		// first collect the POST data
		var body = '';
		request.on('data', function(chunk) {
			body += chunk.toString(); // convert Buffer to string
		});
		request.on('end', function() {
			// POST data complete
			// now create client socket to WebJson
			// console.log(body);
			var client = new net.Socket();
			var respBody = '';
			client.on('data', function(data) {
				// handle response data
				respBody += data.toString(); // convert Buffer to string
				var index = respBody.indexOf("\x03");
				if (index > -1) {
					// send response
					response.writeHead(200, {'Content-Type': 'application/json'});
					response.end(respBody.substring(0, index));
					client.destroy(); // kill client
				}
			});
			client.on('error', function(err) {
				// send error response
				response.writeHead(500, {'Content-Type': 'text/plain'});
				response.end(err.toString());
				client.destroy(); // kill client
			});
			client.setTimeout(5000, function() {
				// send error response
				response.writeHead(500, {'Content-Type': 'text/plain'});
				response.end('Timeout');
				client.destroy(); // kill client
			});
			client.connect(8080, '127.0.0.1', function() {
				// send request
				client.write(body + "\x03");
			});
		});
		return;
	}
}
module.exports = router;