// also works with `hapi`, `restify` and built-in `http`
var express = require('express');
var Fbbot = require('fbbot');

var app = express();
var fbbot = new Fbbot({token: '...', secret: '...'});

// plug-in fbbot
// It will also listen for GET requests to authorize fb app.
app.all('/webhook', fbbot.requestHandler);
// assuming HTTPS is terminated elsewhere,
// or you can use standard express https capabilities
app.listen(8080);

// catching messages
fbbot.on('message', function(message, send)
{
  // message.type <-- type of the message (text, attachment, quick_reply, sticker, etc)
  // message.user <-- user object
  // message.text <-- text for text messages
  // message.attachments <-- list of attachments if available
  // send <-- send method with baked in user.id `send(fbbot.<message_type>, <payload>, <callback>)`
});

// handle only text messages
fbbot.on('message.text', function(message, send)
{
  // message.user <-- user object
  // message.text <-- text for text messages
  // send <-- send method with baked in user.id `send(fbbot.<message_type>, <payload>, <callback>)`
});

fbbot.on('postback', function(postback, send)
{
  // postback.user <-- user object
  // postback.payload <-- parsed payload
  // send <-- send method with baked in user.id `send(fbbot.<message_type>, <payload>, <callback>)`
});

var express = require('express');
var Fbbot = require('fbbot');

var app = express();
var fbbot = new Fbbot({token: '...', secret: '...'});

// plug-in fbbot
app.all('/webhook', fbbot.requestHandler);
// assuming HTTPS is terminated elsewhere,
// or you can use standard express https capabilities
app.listen(8080);

fbbot.use('message', function(payload, callback)
{
  // do something with the payload, async or sync
  setTimeout(function()
  {
    payload.fooWasHere = true;
    // pass it to callback
    callback(null, payload);
  }, 500);
});

// catching messages
fbbot.on('message', function(message, send)
{
  // modified message payload
  message.fooWasHere; // true
});

var express = require('express');
var Fbbot = require('fbbot');

var app = express();
var fbbot = new Fbbot({token: '...', secret: '...'});

// plug-in fbbot
app.all('/webhook', fbbot.requestHandler);
// assuming HTTPS is terminated elsewhere,
// or you can use standard express https capabilities
app.listen(8080);

// "standalone" send function
// send reguar text message
fbbot.send(1234567890, fbbot.TEXT, 'Hi there!', function(error, response)
{
  // error <!-- message composition error or transport error
  // response <-- response from the remote server
});

// sending messages as reply
fbbot.on('message', function(message, send)
{
  // tailored to the user
  // callback is optional
  send(fbbot.IMAGE, 'https://petersapparel.com/img/shirt.png');

  // also message type tailored methods are available
  send.image('https://petersapparel.com/img/shirt.png');
});

var Fbbot = require('fbbot');
var fbbot = new Fbbot({token: '...', secret: '...', logger: myCustomLogger});

// turn on logging
// uses `bole` out of the box
Fbbot.logger.output({
  level : 'info',
  stream: process.stdout
});