/**
 * Copyright 2013 IBM Corp.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 **/

var RED = require("../../red/red");

function HttpGet(n) {
	RED.nodes.createNode(this,n);
	this.baseurl = n.baseurl || "";
	this.append = n.append || "";
	var node = this;
	if (this.baseurl.substring(0,5) === "https") { var http = require("https"); }
	else { var http = require("http"); }
	this.on("input", function(msg) {
		msg._payload = msg.payload;
		//util.log("[httpget] "+this.baseurl+msg.payload+this.append);
		http.get(this.baseurl+msg.payload+this.append, function(res) {
			node.log("Http response: " + res.statusCode);
			msg.rc = res.statusCode;
			msg.payload = "";
			if ((msg.rc != 200) && (msg.rc != 404)) {
				node.send(msg);
			}
			res.setEncoding('utf8');
			res.on('data', function(chunk) {
				msg.payload += chunk;
			});
			res.on('end', function() {
				node.send(msg);
			});
		}).on('error', function(e) {
			//node.error(e);
			msg.rc = 503;
			msg.payload = e;
			node.send(msg);
		});
	});
}

RED.nodes.registerType("httpget",HttpGet);