bot.js

var builder = require('botbuilder');

function create(connector) {
  var bot = new builder.UniversalBot(connector);

  // Create LUIS recognizer that points at our model and add it as the root '/' dialog for our Cortana Bot.
  var model = 'https://api.projectoxford.ai/luis/v1/application?id=c413b2ef-382c-45bd-8ff0-f76d60e2a821&subscription-key=d7b46a6c72bf46c1b67f2c4f21acf960&q=';
  var recognizer = new builder.LuisRecognizer(model);
  var dialog = new builder.IntentDialog({ recognizers: [recognizer] });
  bot.dialog('/', dialog);

  // Add intent handlers
  // Add intent handlers
  dialog.matches('builtin.intent.alarm.set_alarm', [
      function (session, args, next) {
          // Resolve and store any entities passed from LUIS.
          var title = builder.EntityRecognizer.findEntity(args.entities, 'builtin.alarm.title');
          var time = builder.EntityRecognizer.resolveTime(args.entities);
          var alarm = session.dialogData.alarm = {
            title: title ? title.entity : null,
            timestamp: time ? time.getTime() : null  
          };
          
          // Prompt for title
          if (!alarm.title) {
              builder.Prompts.text(session, 'What would you like to call your alarm?');
          } else {
              next();
          }
      },
      function (session, results, next) {
          var alarm = session.dialogData.alarm;
          if (results.response) {
              alarm.title = results.response;
          }

          // Prompt for time (title will be blank if the user said cancel)
          if (alarm.title && !alarm.timestamp) {
              builder.Prompts.time(session, 'What time would you like to set the alarm for?');
          } else {
              next();
          }
      },
      function (session, results) {
          var alarm = session.dialogData.alarm;
          if (results.response) {
              var time = builder.EntityRecognizer.resolveTime([results.response]);
              alarm.timestamp = time ? time.getTime() : null;
          }
          
          // Set the alarm (if title or timestamp is blank the user said cancel)
          if (alarm.title && alarm.timestamp) {
              // Save address of who to notify and write to scheduler.
              alarm.address = session.message.address;
              alarms[alarm.title] = alarm;
              
              // Send confirmation to user
              var date = new Date(alarm.timestamp);
              var isAM = date.getHours() < 12;
              session.send('Creating alarm named "%s" for %d/%d/%d %d:%02d%s',
                  alarm.title,
                  date.getMonth() + 1, date.getDate(), date.getFullYear(),
                  isAM ? date.getHours() : date.getHours() - 12, date.getMinutes(), isAM ? 'am' : 'pm');
          } else {
              session.send('Ok... no problem.');
          }
      }
  ]);

  dialog.matches('builtin.intent.alarm.delete_alarm', [
      function (session, args, next) {
          // Resolve entities passed from LUIS.
          var title;
          var entity = builder.EntityRecognizer.findEntity(args.entities, 'builtin.alarm.title');
          if (entity) {
              // Verify its in our set of alarms.
              title = builder.EntityRecognizer.findBestMatch(alarms, entity.entity);
          }
          
          // Prompt for alarm name
          if (!title) {
              builder.Prompts.choice(session, 'Which alarm would you like to delete?', alarms);
          } else {
              next({ response: title });
          }
      },
      function (session, results) {
          // If response is null the user canceled the task
          if (results.response) {
              delete alarms[results.response.entity];
              session.send("Deleted the '%s' alarm.", results.response.entity);
          } else {
              session.send('Ok... no problem.');
          }
      }
  ]);

  dialog.onDefault(builder.DialogAction.send("I'm sorry I didn't understand. I can only create & delete alarms."));

  // Very simple alarm scheduler
  var alarms = {};
  setInterval(function () {
      var now = new Date().getTime();
      for (var key in alarms) {
          var alarm = alarms[key];
          if (now >= alarm.timestamp) {
              var msg = new builder.Message()
                  .address(alarm.address)
                  .text("Here's your '%s' alarm.", alarm.title);
              bot.send(msg);
              delete alarms[key];
          }
      }
  }, 15000);

  return bot;
}

module.exports = { create }