/**
 * 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(process.env.NODE_RED_HOME+"/red/red");
var PushBullet = require('pushbullet');
var util = require('util');

// Either add a line like this to settings.js
//    pushbullet: {pushbullet:'My-API-KEY', deviceid:'12345'},
// or create pushkey.js in dir ABOVE node-red, it just needs to be like
//    module.exports = {pushbullet:'My-API-KEY', deviceid:'12345'}

try {
    var pushkey = RED.settings.pushbullet || require(process.env.NODE_RED_HOME+"/../pushkey.js");
}
catch(err) {
    util.log("[57-pushbullet.js] Error: Failed to load PushBullet credentials");
}

if (pushkey) {
    if (pushkey.pushbullet) { var pusher = new PushBullet(pushkey.pushbullet); }
    if (pushkey.deviceid) { var deviceId = pushkey.deviceid; }
}

function PushbulletNode(n) {
    RED.nodes.createNode(this,n);
    this.title = n.title;
    var node = this;
    this.on("input",function(msg) {
        var titl = this.title||msg.topic||"Node-RED";
        if (typeof(msg.payload) === 'object') {
            msg.payload = JSON.stringify(msg.payload);
        }
        else { msg.payload = msg.payload.toString(); }
        if (pushkey.pushbullet && pushkey.deviceid) {
            try {
                if (!isNaN(deviceId)) { deviceId = Number(deviceId); }
                pusher.note(deviceId, titl, msg.payload, function(err, response) {
                    if (err) node.error("Pushbullet error: "+err);
                    //console.log(response);
                });
            }
            catch (err) {
                node.error(err);
            }
        }
        else {
            node.warn("Pushbullet credentials not set/found. See node info.");
        }
    });
}

RED.nodes.registerType("pushbullet",PushbulletNode);