peribot.coffee

sniffer = require('twitter-sniffer')({ # TODO: implement module
  consumer_key:         '...', # TODO: add key
  consumer_secret:      '...', # TODO: add key
  access_token:         '...', # TODO: add key
  access_token_secret:  '...'  # TODO: add key
})

SNIFF_PHRASE = "Live on #Periscope"


module.exports = (robot) ->

  users = []

  # initialize redis brain, so we can cache following users
  robot.brain.on 'loaded', -> robot.brain.data.periscope = users
  
  robot.hear /peribot follow +(\S+)/i, (msg) ->
    user = msg.match[1]
    users = users
      .filter (u) -> u isnt user
      .concat [user]
    sniffer.reset().set({
      users: users,
      text: SNIFF_PHRASE,
      callback: (user, text) -> peribot_say "#{user}: #{text}", 'general'
    })
    msg.send "Started following #{ user }"
  
  robot.hear /peribot unfollow +(\S+)/i, (msg) ->
    user = msg.match[1]
    if user is 'all'
      users = []
      msg.send "I am not following anyone."
    else
      users = users
        .filter (u) -> u isnt user
      msg.send "Unfollowed #{ user }"
    sniffer.listen({
      users: users,
      text: SNIFF_PHRASE,
      callback: (user, text) -> peribot_say "#{user}: #{text}", 'general'
    })

  robot.hear /peribot list/i, (msg) ->
    if cache.length > 0
      msg.send "I am following #{ cache.join(', ') }"
    else
      msg.send "I am not following anyone."