// import required libraries
var UI = require('ui');
var ajax = require('ajax');
var Vector2 = require('vector2');
var Vibe = require('ui/vibe');

// setup authentication information
var encodedLogin = "mybiglongencodedstring";
var expirationTimeInSeconds = 600;  // timeout for app

// main window
var splashWindow = new UI.Window();
var text = new UI.Text({
  position: new Vector2(0,0),
  size: new Vector2(144,168),
  text: 'Logging into Ravello Sytems, please wait...',
  color:'black',
  textOverflow:'wrap',
  textAlign:'center',
  backgroundColor:'white'  
});

// Add to splashWindow and show
splashWindow.add(text);
splashWindow.show();

//login to Ravello
ajax({ url: 'https://cloud.ravellosystems.com/api/v1/login',method: 'post',
       headers: {Authorization: "Basic " + encodedlogin,
                 Accept: "application/json"}
     },
    function(data,status,obj) {
      // success into Ravello
      var contents = JSON.parse(data);
      var text2 = new UI.Text({
        position: new Vector2(0,0),
        size: new Vector2(144,168),
        text: 'Hello ' + contents.name + ', you are now logged in! - Fetching applications, please wait...',
        color:'black',
        textOverflow:'wrap',
        textAlign:'center',
        backgroundColor:'white'  
      });
      splashWindow.add(text2);
      // get list of applications
      ajax({ url: 'https://cloud.ravellosystems.com/api/v1/applications',method: 'get',
             headers: {Accept: "application/json"}
           },
           function(data,status,obj) 
           {
             // success application list
             var apps = JSON.parse(data);          
             var count = Object.keys(apps).length;
             var menuItems = [];
             var appname;
             var appid;
             for(var i = 0; i < count; i++) {
               appname = apps[i].name;
               appid = apps[i].id;
               menuItems.push({
                 title:appname,
                 subtitle:appid
               });
             }
            // Construct Application menu to show to user
            var resultsMenu = new UI.Menu({
              sections: [{
                title: 'My Applications',
                items: menuItems
              }]
            }); 
            // Show the Menu, hide the splash
            resultsMenu.show();
            splashWindow.hide();
            // Add an action for SELECT
            resultsMenu.on('select', function(e) {
                console.log('Item number ' + e.itemIndex + ' was pressed!');
                // this is where magic happens and we translate which item was pressed into turning on applications
                var detailCard = new UI.Card
                (
                  {title: "Starting Lab", subtitle: e.item.title }
                );
                detailCard.show();
                detailCard.body('Setting lab power off time to ' + expirationTimeInSeconds.toString() + ' seconds...');
                var ExpURL = 'https://cloud.ravellosystems.com/api/v1/applications/'+e.item.subtitle+'/setExpiration';
                console.log(ExpURL);
                // set expiration time for selected application
                var expbody = { "expirationFromNowSeconds": + expirationTimeInSeconds };
                ajax
                (
                  {
                    url: ExpURL,type: "json",method: "post",headers: { Accept: "application/json" }, data: expbody
                  },
                  function(data,status,obj)
                  {
                    // success setting expiration time
                    detailCard.body('Setting lab power off time to ' + expirationTimeInSeconds.toString() + ' seconds...'+ 'DONE!\nPowering on lab...');
                    var StartURL = 'https://cloud.ravellosystems.com/api/v1/applications/'+e.item.subtitle+'/start';
                    ajax
                    (
                      {
                        url: StartURL,type: "json",method:"post",headers: {Accept: "application/json"}
                      },
                      function(data,status,obj)
                      {
                        // success starting application
                        console.log("Success on start:" + status);
                        detailCard.body('Setting lab power off time to ' + expirationTimeInSeconds.toString() + ' seconds...'+ 'DONE!\nPowering on lab...' + 'DONE!\nLab Powered On'  );
                        Vibe.vibrate('short');
                      },
                      function(data,status,obj)
                      {
                        // failure starting application
                        console.log("Error on start:" + status);
                      }
                    ); // end expiration time ajax call
                  },
                  function(data,status,obj)
                  {
                    // failure setting expiration
                    console.log("error: " + status);                
                  }
                ); // end set apptime ajax call
            }); // end menu actions
           }  // end success app list
      ); // end app list ajax call
    }  // end success login
);  // end login ajax call