path: root/crystal/bungmobott.cr

require "twitch/irc"
require "http"
require "uri"
require "twitcr"
require "json"
require "crystal_mpd"

STDOUT.sync = true

struct Nil
  def as_s?
    self
  end
end

settings = Hash(String, String).new

settings["configdir"] = Path.home./("/.config/bungmobott/").to_s
settings["statedir"]  = Path.home./("/.local/state/bungmobott/").to_s

if ENV["LOCALAPPDATA"]?
  settings["configdir"] = Path.windows( ENV["LOCALAPPDATA"] + "\\bungmobott\\" ).to_s
  settings["statedir"] = Path.windows( ENV["LOCALAPPDATA"] + "\\bungmobott\\state\\" ).to_s
end

settings["tempdir"] = "/tmp/bungmobott/"
ENV["TEMP"]? && ( settings["tempdir"] = "#{ENV["TEMP"]}\\bungmobott\\" )

ENV["XDG_CONFIG_HOME"]? && ( settings["configdir"] = ENV["XDG_CONFIG_HOME"] + "/bungmobott/" )
#ENV["XDG_DATA_HOME"]? && ( settings["datadir"] = ENV["XDG_DATA_HOME"] ) # unused?
ENV["XDG_STATE_HOME"]? && ( settings["statedir"] = ENV["XDG_STATE_HOME"] + "/bungmobott/" )

Dir.mkdir_p( settings["configdir"] )
Dir.mkdir_p( settings["statedir"] )
Dir.mkdir_p( settings["tempdir"] )

settings["home"] = Path.home.to_s
regextwitchuser = /^[0-9a-zA-Z_]+$/

error = false
[ "access_token", "client_id" ].each do |key|
  begin
    settings[key] = File.read( settings["configdir"] + key ).chomp
  rescue IO::Error
    STDERR.puts "ERROR: Missing " + settings["configdir"] + key
    error = true
  end
end

# enable gcloud?
if File.exists?( settings["configdir"] + "gcloud_token" ) && ( settings["gcloud_token"] = File.read( settings["configdir"] + "gcloud_token" ).chomp )
  gcloud = true
else
  gcloud = false
  STDERR.puts "Warning: #{settings["configdir"]}gcloud_token is missing; GCS voices disabled."
end

# enable aws?
if ! File.exists?( Path.home./("/.aws/credentials") )
  STDERR.puts "Warning: #{Path.home}/.aws/credentials is missing; AWS voices disabled."
  aws = false
elsif ! Process.find_executable( "aws.exe" )
  STDERR.puts "Warning: aws.exe is missing; AWS voices disabled."
  aws = false
else
  aws = true
end

client = Twitcr::Client.new( settings )

# derive channel_id from channel or vice versa
[ "channel", "channel_id" ].each do |key|
  File.exists?( settings["configdir"] + key ) && ( settings[key] = File.read( settings["configdir"] + key ).chomp )
end
if      ( settings["channel"]? =~ regextwitchuser ) &&   ( settings["channel_id"]? =~ /^[0-9]+$/ )
elsif ! ( settings["channel"]? =~ regextwitchuser ) &&   ( settings["channel_id"]? =~ /^[0-9]+$/ )
  settings["channel"]    = client.user( settings["channel_id"].to_u64 ).login
elsif   ( settings["channel"]? =~ regextwitchuser ) && ! ( settings["channel_id"]? =~ /^[0-9]+$/ )
  settings["channel_id"] = client.user( settings["channel"] ).id.to_s
else
  STDERR.puts "ERROR: Missing #{settings["configdir"]}channel and channel_id configuration keys."
  error = true
  # exit 2
end
if error == true
  {% if flag?(:windows) %}
    STDERR.puts "press enter to end program"
    gets
  {% end %}
  exit 1
end

if File.exists?( settings["configdir"] + "chatuser" )
  File.read( settings["configdir"] + "chat_user" ).chomp
else
  STDERR.puts "Warning: " + settings["configdir"] + "chat_user is missing; using configured channel instead."
  settings["chat_user"] = settings["channel"]
end

obsipc = Channel( String ).new
ircipc = Channel( Tuple( String, String ) ).new
t2sipc = Channel( Tuple( String, String ) ).new

snifflast = Int64.new(0)

def urbandef( term : String )
  #http://api.urbandictionary.com/v0/define?term=waifu
  client = HTTP::Client.new( "api.urbandictionary.com" )
  response = client.exec( "GET", "/v0/define?term=" + URI.encode_www_form( term ) )
  puts response.status_code
  json = JSON.parse( response.body )
  return json["list"][0]["definition"].to_s.gsub( /[\[\]]/, "" ).gsub( /\n/, "" )
end

# Currently only used in flag?(:unix)
def t2smsg( settings : Hash(String, String), msg : String)
  if File.exists?( settings["statedir"] + "/.t2s.sock" )
    sock = Socket.unix
    sock.connect Socket::UNIXAddress.new( settings["statedir"] + "/.t2s.sock" )
    sock.puts( msg )
    sock.close
  end
rescue ex
  puts ex
end

def effectsmsg( settings : Hash(String, String), msg : String )
  if File.exists?( settings["statedir"] + "/.effects.sock" )
    sock = Socket.unix
    sock.connect Socket::UNIXAddress.new( settings["statedir"] + "/.effects.sock" )
    sock.puts( msg )
    sock.close
  end
rescue ex
  puts ex
end

def userlog( ircipc : Channel, settings : Hash(String, String), message : FastIRC::Message )
  unless ( ( prefix = message.prefix ) && ( chatuser = prefix.source ) && ( uid = message.tags["user-id"]? ) )
    return nil
  end
  basedir = settings["statedir"]
  userdir = basedir + "/uids/" + uid
  Dir.mkdir_p( basedir + "/names" )
  Dir.mkdir_p( userdir + "/names" )
  unless testrefuser2uid( userdir + "/names/" + chatuser )
    namelatest = ""
    datelatest = Time::UNIX_EPOCH
    Dir.each_child( userdir + "/names/" ) do |name|
      namedate = File.info( userdir + "/names/" + name ).modification_time
      if namedate > datelatest
        namelatest = name
        datelatest = namedate
      end
    end
    unless namelatest.empty?
      ircipc.send( { "##{settings["channel"]}", "Rename detected: #{uid}: #{namelatest} -> #{chatuser}" } )
    end
    genrefuser2uid( userdir + "/names/" + chatuser, uid, 3 )
  end
  unless testrefuser2uid( basedir + "/names/" + chatuser )
    genrefuser2uid( basedir + "/names/" + chatuser, uid, 1 )
  end
  unless ( message.params[0] == "##{settings["channel"]}" )
    return nil
  end
  return ( [ chatuser, uid, userdir ] )
rescue ex
  puts ex
end

def getvoice( settings : Hash(String, String), userdir : String, chatuser : String )
  if File.exists?( userdir + "/voice" )
    voice_output = File.read( userdir + "/voice" ).chomp
    voice_setting = voice_output
  else
    voice_output = File.read( settings["configdir"] + "/voicelist.txt" ).chomp.split( "\n" ).sample( 1 )[0].chomp
    voice_setting = "random"
  end
  if File.exists?( userdir + "/voicesub" )
    namesub = File.read( userdir + "/voicesub" ).chomp
  else
    namesub = chatuser
  end
  return( [namesub, voice_setting, voice_output ] )
end

# text2speech
def t2s( t2sipc : Channel, settings : Hash(String, String), userdir : String, chatuser : String, text : String )
  if ( text !~ /^ *(!|\|)/ )
    namesub, voice_setting, voice = getvoice( settings, userdir, chatuser )
    subs = Array( Tuple( Regex, String ) ){
      { /http(s|):\/\/([a-z0-9.-]+)\/[a-zA-Z0-9\/&=%-_]+/, "link to \\2" },
      { /([^a-zA-Z0-9])-/, "\\1 dash "},
      { /\|/, " vertical bar "},
      { /\`/, " grave accent "},
      { /\+/, " plus "},
      { /×/, " multiplied by "},
      { /=/, " equals "},
      { /\//, " slash "},
      { /\\/, " backslash "},
      { /@/, " at "},
      { /&/, " and "},
      { />/, " greater than "},
      { /</, " less than "},
      { /_/, " underscore "},
      { /\.\.\./, " dot dot dot "},
      { /\^/, " circumflex accent "},
      { /\#/, " octothorpe "},
      { /:([^ ])/, " colon \\1"},
      { /;([^ ])/, " semicolon \\1"},
      { /\.([^ ])/, " dot \\1"},
      { /\%([^ ])/, " percent sign \\1"},
      { /!([^ ])/, " tchik \\1"},
      { /([^ ])\$/, "\\1 dollar sign "},
      { /0/, " zero " },
      { /1/, " one " },
      { /2/, " two " },
      { /3/, " three " },
      { /4/, " four " },
      { /5/, " five " },
      { /6/, " six " },
      { /7/, " seven " },
      { /8/, " eight " },
      { /9/, " nine " },
      { /rrr.+/, "rr" },
    }.each do | subtuple |
      text = text.gsub( subtuple[0], subtuple[1] )
    end
    {% if flag?(:windows) %}
      t2sipc.send( { voice, "#{namesub} #{text}" } )
    {% else %}
      t2smsg( settings, "#{voice} #{namesub} #{text}" )
    {% end %}
    return( voice )
  else
    return( nil )
  end
end

def reversesource( scenes : Hash( String, Hash( String, Hash( String, Int64 | Float64 | Bool | String ) ) ), currentscene : String )
# "meta-cam-front" => {
#   "vidcap-c920" => {
#     "render" => true, "type" => "dshow_input", "x" => 0.0, "y" => 0.0
#   },
#   "gst-bungfront" => {
#     "type" => "gstreamer-source", "x" => 0.0, "y" => 0.0
#   }
# }
#  # scenes[currentscene][source]["type"] => "scene"
  sourcemap = Hash( String, String ).new
  scenes[currentscene].each do | source, sourcedata |
    # maybe make this recurse later
    sourcemap[source.to_s] = currentscene
    if sourcedata["type"] == "scene"
      scenes[source.to_s].each do | metasource, metasourcedata |
        sourcemap[metasource.to_s] = source.to_s
      end
    end
  end
  return sourcemap
end

def playaudiofile( filepath : String )
  p = Process.new(
    "powershell.exe",
    [ "-Command", "#Set-PSDebug -Trace 1;
      Add-Type -AssemblyName presentationCore;
      $player = New-Object system.windows.media.mediaplayer;
      $player.open(\"#{filepath}\");
      $player.volume = .99;
      $player.play();
      Start-Sleep -Milliseconds 1000;
      $duration = $player.NaturalDuration.TimeSpan.TotalMilliseconds;
      Start-Sleep -Milliseconds ($duration - 1000 );
    "],
    output: STDOUT, error: STDERR
  )
  # https://geekeefy.wordpress.com/2016/07/19/powershellmediaplayer/ has some ideas
  p.wait
end

def regeneratevoicelist( settings : Hash( String, String ), aws : Bool, gcloud : Bool )
  voices = Hash(String, String).new
  if aws
    JSON.parse( `aws polly describe-voices` )["Voices"].as_a.each do | v |
      voices[ v["Id"].as_s.downcase ] = v["Id"].as_s
    end
  end
  if gcloud
    ssl_context = OpenSSL::SSL::Context::Client.new
    {% if flag?(:windows) %}
    ssl_context.verify_mode = OpenSSL::SSL::VerifyMode::NONE
    {% end %}
    headers = HTTP::Headers.new
    headers["Content-Type"] = "application/json; charset=utf-8"

    response = HTTP::Client.exec( "GET", "https://texttospeech.googleapis.com/v1/voices?key=#{settings["gcloud_token"]}", headers, nil, tls: ssl_context )

    JSON.parse( response.body )["voices"].as_a.each do | v |
      voices[ v["name"].as_s.downcase ] = v["name"].as_s
    end
  end
  {% if flag?(:windows) %}
    p = Process.new(
      "powershell.exe",
      [ "-Command", "
        Add-Type -AssemblyName System.Speech;
        $speak = New-Object System.Speech.Synthesis.SpeechSynthesizer;
        $speak.GetInstalledVoices().VoiceInfo | Select-Object Name
      "],
      output: Process::Redirect::Pipe
    )
    p.output.each_line do | v |
      v = v.gsub(/ +$/, "")
      v = v.gsub(/ Desktop$/, "")
      v = v.gsub( " ", "-" )
      if v =~ /[A-Za-z0-9]-[A-Za-z0-9]/
        voices[ v.downcase ] = v
      end
    end
  {% end %}

  File.write( settings["configdir"] + "/voicelist.txt", voices.values.sort.join("\r\n") )
  return voices
end

macro testrefuser2uid( path )
  {% if flag?(:windows) %}
    File.exists?( {{path}} ) && ( File.read( {{ path }} ) =~ /^[0-9]+$/ )
  {% else %}
    File.symlink?( {{path}} )
  {% end %}
end

macro genrefuser2uid( path, uid, depth )
  {% if flag?(:windows) %}
    File.write( {{path}}, {{uid}}.to_s )
  {% else %}
    File.symlink( "../"*{{depth}} + "uids/#{{{uid}}}", {{path}} )
  {% end %}
end

macro temporaryduplicate( item )
  request = Hash( String, String | Bool ){
    "request-type" => "SetSceneItemProperties",
    "message-id" => "SetSceneItemProperties",
    "scene-name" => "meta",
    "item" => {{item}},
    "visible" => true,
  }
  obsipc.send( request.to_json )
  request = Hash( String, String | Hash( String, String ) ){
    "request-type" => "DuplicateSceneItem",
    "message-id" => "DuplicateSceneItem",
    "item" => { "name" => {{item}} },
    "fromScene" => "meta"
  }
  ircipc.send( { "##{settings["channel"]}", "Duplicating source #{match[2]}" } )
  obsipc.send( request.to_json )
end

voices = Hash(String, String).new
if File.exists?( settings["configdir"] + "/voicelist.txt" )
  File.each_line( settings["configdir"] + "/voicelist.txt" ) do |line|
    voices[ line.downcase ] = line
  end
else
  voices = regeneratevoicelist( settings, aws, gcloud )
end

lastvoice = Array(String).new

# Put tts stuff into the same thread so each playback blocks the next
spawn do
  loop do
    begin
      while t2stuple = t2sipc.receive
      voice, text = [ *t2stuple ]
        if ( match = voice.match( /^Microsoft-([A-Za-z]+)/ ) )
          if ( match[1] =~ /Lili|Mary|Mike|Sam|Anna/ )
            msttsvoice="Microsoft #{match[1]}"
          else
            msttsvoice="Microsoft #{match[1]} Desktop"
          end
          p = Process.new(
              "powershell.exe",
              [ "-Command", "
                Add-Type -AssemblyName System.Speech;
                $speak = New-Object System.Speech.Synthesis.SpeechSynthesizer;
                $speak.SelectVoice(\"#{msttsvoice}\");
                $speak.Speak($Input);
                $speak.Finalize;
              "],
              input: Process::Redirect::Pipe, output: STDOUT
            )
          p.input.puts text
          p.input.close
          p.wait
        elsif gcloud && ( match = voice.match( /^([a-zA-Z]{2,3}-[a-zA-Z]{2})/ ) ) # Google cloud voice
          request = Hash( String, Hash( String, String ) ){
            "input" => { "text" => text },
            "audioConfig" => { "audioEncoding" => "MP3" },
            "voice" => {
              "name" => voice,
              "languageCode" => match[1],
            },
          }
          ssl_context = OpenSSL::SSL::Context::Client.new
          ssl_context.verify_mode = OpenSSL::SSL::VerifyMode::NONE

          headers = HTTP::Headers.new
          headers["Content-Type"] = "application/json; charset=utf-8"

          response = HTTP::Client.exec( "POST", "https://texttospeech.googleapis.com/v1/text:synthesize?key=#{settings["gcloud_token"]}", headers, request.to_json, tls: ssl_context )

          response.body

          filepath="#{settings["tempdir"]}#{Time.utc.to_unix_ms}.mp3"
          json=JSON.parse(response.body)
          File.write( filepath, Base64.decode_string( json["audioContent"].as_s ) )
          playaudiofile( filepath )
          File.delete( filepath )
        elsif aws # AWS polly voices
          filepath="#{settings["tempdir"]}#{Time.utc.to_unix_ms}.mp3"
          p = Process.new(
            "aws.exe", [
              "polly", "synthesize-speech",
              "--output-format", "mp3",
              "--voice-id", voice,
              "--text", text,
              filepath
            ], output: STDOUT, error: STDERR
          )
          p.wait
          playaudiofile( filepath )
          File.delete( filepath )
        else # unknown
          STDERR.puts "Voice not recognized or available."
        end
      end
    rescue ex
      puts ex
    end
  end
end

# obs-websocket thread
spawn do
  loop do
    begin

    obs_pubsub = HTTP::WebSocket.new( URI.parse( "ws://127.0.0.1:4444/" ), HTTP::Headers{"Cookie" => "SESSIONID=1234"} )
    # Outgoing
    # state
    currentscene = "unknown"
    # scenename => { sourcename => { property => value }
    scenes = Hash( String, Hash( String, Hash( String, Int64 | Float64 | Bool | String ) ) ).new
    spawn do
      while msg = obsipc.receive
        pp msg
        if  ( match = msg.match( /^\x10source ([a-z0-9-_]+)/ ) )
          source = match[1]
          sources = reversesource( scenes, currentscene )
          pp sources
          request = Hash( String, String | Bool ).new
          request["request-type"] = "SetSceneItemProperties"
          request["message-id"] = "SetSceneItemProperties"
          #request["request-type"] = "GetSceneItemProperties"
          scene = sources[source]
          request["scene-name"] = sources[source]
          request["item"] = source
          if    ( match = msg.match( /^\x10source ([a-z0-9-_]+) (true|false)/ ) )
            request["visible"] = ( match[2] == "true" )
            obs_pubsub.send( request.to_json )
          elsif ( match = msg.match( /^\x10source ([a-z0-9-_]+)/ ) )
            request["visible"] = ( scenes[scene][source]["render"]? == true )
            obs_pubsub.send( request.to_json )
          end
        elsif ( match = msg.match( /^\x10source/ ) )
          request = Hash( String, String ){
            "request-type" => "GetCurrentScene",
            "message-id" => "GetCurrentScene",
          }
          obs_pubsub.send( request.to_json )
        else
          obs_pubsub.send( msg )
        end
      end
    end
    # Incoming
    obs_pubsub.on_message do | message |
      json = JSON.parse( message )
      if json["error"]?
        puts json["error"]
        ircipc.send( { "#" + settings["channel"], "| obs: #{json["error"]}" } )
        next
      end
      case json["update-type"]?
      when "StreamStatus" # these are a bit noisy,
        next              # so skip them
      when "SwitchScenes"
        ircipc.send( { "#" + settings["channel"], "| obs: switched scene to " + ( json["scene-name"]?.as_s? || "unknown" ) } )
        currentscene = json["scene-name"].as_s
        puts "currentscene is " + currentscene
      when "MediaEnded"
        request = Hash( String, String | Bool ){
          "request-type" => "SetSceneItemProperties",
          "message-id" => "SetSceneItemProperties",
          "item" => json["sourceName"].as_s,
          "visible" => false
        }
        ircipc.send( { "##{settings["channel"]}", "Disabling #{json["sourceName"].as_s}" } )
        obsipc.send( request.to_json )
        #"sourceName": "media-youdied"
        puts "currentscene is " + currentscene
        if ( ( json["sourceName"].as_s =~ /^media-/ ) && ( currentscene != "meta" ) )
          request = Hash( String, String | Hash( String, String ) ){
            "request-type" => "DeleteSceneItem",
            "message-id" => "DeleteSceneItem",
            "item" => { "name" => json["sourceName"].as_s },
          }
          ircipc.send( { "##{settings["channel"]}", "Deleting #{json["sourceName"].as_s}" } )
          obsipc.send( request.to_json )
        end
      when "SourceFilterVisibilityChanged"
        ircipc.send( { "##{settings["channel"]}", "| obs: source #{json["sourceName"]} filter #{json["filterName"]} visibility is currently #{json["filterEnabled"]}" } )
      when "SceneItemVisibilityChanged"
        scenes[json["scene-name"].as_s][json["item-name"].as_s]["render"] = json["item-visible"].as_bool
        ircipc.send( { "##{settings["channel"]}", "| obs: source #{json["item-name"]} visibility is now #{json["item-visible"].as_bool}" } )
      end
      print( "RECEIVED: ")
      print( json.to_pretty_json )
      print( "\n")
      case json["message-id"]?.as_s?
      when /^GetCurrentScene/
        currentscene = json["name"].as_s
        if json["message-id"].as_s? !~ /Quietly/
          ircipc.send( { "#" + settings["channel"], "| obs: " + json["sources"].as_a.map{ |source| source["name"] }.join(", ") } )
        end
      when "GetSourceFilters"
        ircipc.send( { "#" + settings["channel"], "| obs: " + json["filters"].as_a.map{ |filter| "#{filter["name"].as_s}: #{filter["enabled"].as_bool}" }.join(", ") } )
      when /^GetSceneList/
        if json["message-id"].as_s? !~ /Quietly/
          ircipc.send( { "#" + settings["channel"], "| obs: " + json["scenes"].as_a.map{ |scene| scene["name"] }.join(", ") } )
        end
        json["scenes"].as_a.each{ |scene|
          scenes[scene["name"].as_s]? || ( scenes[scene["name"].as_s] = Hash( String, Hash( String, Int64 | Float64 | Bool | String ) ).new )
          scene["sources"].as_a.each{ |source|
            scenes[scene["name"].as_s][source["name"]]? || ( scenes[scene["name"].as_s][source["name"].as_s] = Hash( String, Int64 | Float64 | Bool | String ).new )
            source["render"].as_bool != Nil && ( scenes[scene["name"].as_s][source["name"].as_s]["render"] = source["render"].as_bool )
            source["type"].as_s?      && ( scenes[scene["name"].as_s][source["name"].as_s]["type"] = source["type"].as_s )
            source["x"].as_f?         && ( scenes[scene["name"].as_s][source["name"].as_s]["x"] = source["x"].as_f )
            source["y"].as_f?         && ( scenes[scene["name"].as_s][source["name"].as_s]["y"] = source["y"].as_f )
            source["cx"].as_i64?      && ( scenes[scene["name"].as_s][source["name"].as_s]["cx"] = source["cx"].as_i64 )
            source["cy"].as_i64?      && ( scenes[scene["name"].as_s][source["name"].as_s]["cy"] = source["cy"].as_i64 )
            source["source_cx"].as_f? && ( scenes[scene["name"].as_s][source["name"].as_s]["source_cx"] = source["source_cx"].as_f )
            source["source_cy"].as_f? && ( scenes[scene["name"].as_s][source["name"].as_s]["source_cy"] = source["source_cy"].as_f )
          }
        }
        pp scenes
      end
    end
      spawn do
        sleep 1

        request = Hash( String, String ){
          "request-type" => "GetCurrentScene",
          "message-id" => "GetCurrentScene Quietly",
        }
        obsipc.send( request.to_json )
        request = Hash( String, String ){
          "request-type" => "GetSceneList",
          "message-id" => "GetSceneList Quietly",
        }
        obsipc.send( request.to_json)
      end
      obs_pubsub.run
    rescue ex : Socket::ConnectError
      # these are a bit noisy
      #pp ex
      obs_pubsub && obs_pubsub.close
    rescue ex : IO::Error
      pp ex
      ircipc.send( { "#" + settings["channel"], "obs.cr:obs: " + ex.to_s.gsub(/\r|\n/, ' ') + ": Maybe try again in 10 seconds?" } )
    rescue ex
      pp ex
      pp ex.backtrace?
      ircipc.send( { "#" + settings["channel"], "irc.cr:obs: " + ex.to_s.gsub(/\r|\n/, ' ') } )
      obs_pubsub && obs_pubsub.close
    end
    sleep 10
    next
  end
end

# main thread: IRC
loop do
  begin

    bot = Twitch::IRC::Client.new( nick: settings["chat_user"], token: "oauth:" + settings["access_token"], log_mode: true )
    bot.tags = [ "membership", "tags", "commands" ]

    # Outgoing IRC message thread
    # "Most IRC servers limit messages to 512 bytes in length, including the trailing CR-LF characters."
    # PRIVMSG #channel message\r\n
    spawn do
      while msgtuple = ircipc.receive # why does this need to be a tuple?
        sizelimit=( 512 - ( msgtuple[0].size + 12 ) )
        bot.message( msgtuple[0], msgtuple[1][0..sizelimit] ) # limit size
      end
    end

    # Create a handler to process incoming messages
    bot.on_message do |message|
      spawn do
      next unless ( userlogreturn = userlog( ircipc, settings, message ) )
      chatuser, uid, userdir = userlogreturn
      if ( chatuser == "pipne" ) && ( ( Time.utc.to_unix - snifflast ) >= 14400 )
        snifflast = Time.utc.to_unix
        t2smsg( settings, chatuser + " sniff null" )
      end
      if ( t2sreturn = t2s( t2sipc, settings, userdir, chatuser, message.params[1] ) )
        lastvoice.insert( 0, t2sreturn )
        lastvoice = lastvoice[0..4]
      end
      next unless ( ( match = message.params[1].match(/^ *!([A-Za-z]+) (([a-zA-Z0-9= _\:,.&'\/?;\\\(\)\[\]+\-]|!)+)/) || message.params[1].match(/^ *!([A-Za-z]+)/) ) )
      cmd = match[1]
      own = ( message.tags["room-id"] == message.tags["user-id"] )
      vip = ( message.tags["badges"].to_s.matches?( /(^|,)vip\// ) )
      mod = ( message.tags["mod"] == "1" )
      sub = ( message.tags["subscriber"] == "1" )
      if ( ( cmd =~ /^(substitute|voicesub)$/ ) && ( mod || sub ) )
        case message.params[1].split( " " ).size
        when 1
          if File.exists?( userdir + "/voicesub" )
            bot.message( "##{settings["channel"]}", "| Current name substitution is \"#{File.read( userdir + "/voicesub" )}\"." )
          else
            bot.message( "##{settings["channel"]}", "| Current name substitution is disabled." )
          end
        else
          if match[2]?
            voicesub = match[2].downcase
            if voicesub =~ /^(disabled|null|disable|none)$/
              if File.exists?( userdir + "/voicesub" )
                File.delete( userdir + "/voicesub" )
                bot.message( "##{settings["channel"]}", "| Name substitution for #{chatuser} is now disabled." )
              else
                bot.message( "##{settings["channel"]}", "| Name substitution for #{chatuser} is already disabled." )
              end
            else
              Dir.mkdir_p( userdir )
              File.write( userdir + "/voicesub", voicesub )
              bot.message( "##{settings["channel"]}", "| Name substitution for #{chatuser} is now \"#{File.read( userdir + "/voicesub" )}\"." )
            end
          end
        end
      elsif ( cmd =~ /^(commands|help)$/ )
        bot.message( "##{settings["channel"]}", "| https://bungmonkey.omgwallhack.org/txt/commands.txt" )
      elsif ( cmd =~ /^(dexem)$/ )
        ircipc.send( { "##{settings["channel"]}", "| You're doing great work, Dexem!" } )
      elsif ( ( cmd == "lastvoice" ) && ( mod || sub ) )
        unless lastvoice.empty?
        bot.message( "##{settings["channel"]}", "| Last voices were " + lastvoice.join( ", " ) )
        else
          bot.message( "##{settings["channel"]}", "| No voices used so far." )
        end
      elsif ( ( cmd == "regeneratevoicelist" ) && ( own ) )
        voices = regeneratevoicelist( settings, aws, gcloud )
        ircipc.send( { "##{settings["channel"]}", "| Regenerated voicelist." } )
      elsif ( ( cmd =~ /^(voices|voicelist)$/ ) && ( mod || sub ) )
        bot.message( "##{settings["channel"]}", "| https://bungmonkey.omgwallhack.org/voicelist.txt" )
      elsif ( ( cmd =~ /^(setvoice|voice)$/ ) && ( mod || sub ) )
        case message.params[1].split( " " ).size
        when 1
          namesub, voice_setting, voice_output = getvoice( settings, userdir, chatuser )
          bot.message( "##{settings["channel"]}", "| Current voice is #{voice_setting}" )
        when 2
          if match[2]?
            voice = match[2].downcase
            if voice =~ /disabled|null|disable|none|random/
              if File.exists?( userdir + "/voice" )
                File.delete( userdir + "/voice" )
                bot.message( "##{settings["channel"]}", "| Voice for #{chatuser} is now random." )
              else
                bot.message( "##{settings["channel"]}", "| Voice for #{chatuser} is already random." )
              end
            elsif voices.has_key?( voice )
              csvoice = voices[voice]
              Dir.mkdir_p( userdir )
              File.write( userdir + "/voice", csvoice )
              pp userdir
              bot.message( "##{settings["channel"]}", "| Voice for #{chatuser} is now #{File.read( userdir + "/voice" )}." )
              # TODO: make separate script to print streamelements URLs to client machine
            else
              pp ( match )
              bot.message( "##{settings["channel"]}", "| Invalid voice. To see list, use !voices" )
            end
          end
        when 3
        else
        end
      elsif ( ( cmd =~ /^scene$/ ) && ( mod || own ) )
        if ( match[2]? && match[2] =~ /^[a-zA-Z0-9-_]+$/ )
          obsipc.send( "{ \"request-type\": \"SetCurrentScene\", \"message-id\": \"SetCurrentScene\", \"scene-name\": \"" + match[2] + "\" }" )
        else
          obsipc.send( "{ \"request-type\": \"GetSceneList\", \"message-id\": \"GetSceneList\" }" )
        end
      elsif ( ( cmd =~ /^source$/ ) && ( mod || own ) )
        request = Hash( String, String | Bool ).new
        if ( match[2]? ) && ( sourceargs = match[2].match( /^([a-zA-Z0-9-_]+) +(true|false)$/ ) )
          obsipc.send( "\x10source #{match[2]}" )
        elsif ( match[2]? && match[2] =~ /^[a-zA-Z0-9-_]+$/ )
          obsipc.send( "\x10source #{match[2]}" )
        else
          obsipc.send( "\x10source" )
        end
      elsif ( ( cmd =~ /^filter$/ ) && ( mod || own ) )
        request = Hash( String, String | Bool ){
          "request-type" => "GetSourceFilters"
        }
        if ( match[2]? ) && ( filterargs = match[2].match( /^([a-zA-Z0-9-_]+) +([a-zA-Z0-9-_]+) (true|false)/ ) )
          request["request-type"] = "SetSourceFilterVisibility"
          request["message-id"] = "SetSourceFilterVisibility"
          request["sourceName"] = filterargs[1]
          request["filterName"] = filterargs[2]
          #request["filterEnabled"] = filterargs[3]
          filterargs[3] == "true" && ( request["filterEnabled"] = true )
          filterargs[3] == "false" && ( request["filterEnabled"] = false )
          obsipc.send( request.to_json )
        elsif ( match[2]? ) && ( filterargs = match[2].match( /^([a-zA-Z0-9-_]+) +([a-zA-Z0-9-_]+)/ ) )
          ircipc.send( { "##{settings["channel"]}", "Must provide provide a value of true or false as the third argument." } )
        elsif ( match[2]? && match[2] =~ /^[a-zA-Z0-9-_]+$/ )
          request["sourceName"] = match[2]
          request["message-id"] = "GetSourceFilters"
          obsipc.send( request.to_json )
        else
          ircipc.send( { "##{settings["channel"]}", "Must provide at least one source name as argument, and optionally one filter name and a value of true or false." } )
        end
      elsif ( cmd == "duplicate" && ( mod || own || vip ) )
        if ( match[2]? ) && ( filterargs = match[2].match( /^([a-zA-Z0-9-_]+)/ ) )
          temporaryduplicate( match[2] )
        else
          ircipc.send( { "##{settings["channel"]}", "Must provide at least one source name as argument." } )
        end
      elsif ( cmd =~ /^(metaminute|youdied)$/ )
        request = Hash( String, String | Bool ).new
        request["request-type"] = "SetSceneItemProperties"
        request["message-id"] = "SetSceneItemProperties"
        request["item"] = "media-" + cmd
        # This breaks playback (???)
        #request["visible"] = false
        #obsipc.send( request.to_json )
        #sleep 0.5
        # I should probably set this up to add the source, and then delete the source at the end of playback.
        request["visible"] = true
        #ircipc.send( { "##{settings["channel"]}", "Playing media-#{cmd}" } )
        obsipc.send( request.to_json )
      elsif ( ( cmd =~ /^(status|title)$/ ) && ( mod || own ) )
        begin
          if match[2]?
            client.put_channel!( settings["channel_id"].to_u64, title: match[2] )
            json = JSON.parse( client.get_channel( settings["channel_id"].to_u64 ) )
            ircipc.send( { "##{settings["channel"]}", "Title is now \"#{ json["data"][0]["title"] }\""} )
          else
            json = JSON.parse( client.get_channel( settings["channel_id"].to_u64 ) )
            ircipc.send( { "##{settings["channel"]}", "| Title is currently \"#{ json["data"][0]["title"] }\""} )
          end
        rescue ex
          ircipc.send( { "##{settings["channel"]}", "| An error occurred! " + ex.message.to_s } )
        end
      elsif ( ( cmd =~ /^(game|category)$/ ) && ( mod || own ) )
        begin
          if match[2]?
              puts "2 matches"
            client.put_channel!( settings["channel_id"].to_u64, game: match[2] )
            json = JSON.parse( client.get_channel( settings["channel_id"].to_u64 ) )
            ircipc.send( { "##{settings["channel"]}", "Game is now \"#{ json["data"][0]["game_name"] }\""} )
          else
            puts "1 matches"
            json = JSON.parse( client.get_channel( settings["channel_id"].to_u64 ) )
            ircipc.send( { "##{settings["channel"]}", "| Game is currently \"#{ json["data"][0]["game_name"] }\""} )
          end
        rescue ex
          ircipc.send( { "##{settings["channel"]}", "| An error occurred! " + ex.message.to_s } )
        end
      elsif ( ( cmd == "urban" ) && ( mod || own || sub || vip ) )
        if match[2]? && match[2] =~ /^([a-zA-Z0-9 -])+$/
          definition = urbandef( match[2] )
          ircipc.send( { "##{settings["channel"]}", definition[0,400] } )
        else
          ircipc.send( { "##{settings["channel"]}", "| Urban Dictionary search term should consist of letters, numbers, spaces, and/or hyphens." } )
        end
      elsif ( cmd == "matrix" )
        effectsmsg( settings, "overlay glmatrix" )
      elsif ( cmd =~ /juggle|juggler/ )
        effectsmsg( settings, "overlay juggler3d" )
      elsif ( cmd =~ /fireworks|firework/ )
        effectsmsg( settings, "overlay fireworkx" )
      elsif ( cmd == "pipes" )
        if match[2]? && match[2] =~ /^(fast|faster)$/
          effectsmsg( settings, "overlay pipes " + match[2] )
        else
          effectsmsg( settings, "overlay pipes" )
        end
      elsif ( cmd == "jellyfish" )
        effectsmsg( settings, "overlay hydrostat" )
      elsif ( cmd == "gluten" )
        effectsmsg( settings, "overlay flyingtoasters" )
      elsif ( cmd =~ /^(glsnake|glmatrix|gibson|xmatrix|flyingtoasters|moebiusgears|fireworkx|hydrostat|hypertorus|jigsaw|juggler3d|kaleidocycle|kumppa|molecule|noof|polyhedra)$/ )
        effectsmsg( settings, "overlay " + cmd )
      elsif ( cmd =~ /gltext|cowsay|xcowsay|cowfuscious/ )
        ( cmd == "cowfuscious" ) && ( cmd = "xcowsay" )
        if ( match[2]? ) && ( gltextargs = match[2].match( /^([0-9]+) +(.+)$/ ) )
          seconds=UInt64.new( 1 )
          seconds=gltextargs[1].to_u64
          if ( own || mod || vip )
            effectsmsg( settings, "overlay #{cmd} #{match[2]}" )
            puts "matched #{cmd} #{match[2]}"
          elsif ( sub )
            if ( seconds > 20 )
              seconds=20
            end
            effectsmsg( settings, "overlay #{cmd} #{seconds} #{gltextargs[2]}" )
            puts "matched #{cmd} #{seconds} #{gltextargs[2]}"
          else
            if ( seconds > 5 )
              seconds=5
            end
            effectsmsg( settings, "overlay #{cmd} #{seconds} #{gltextargs[2]}" )
            puts "matched #{cmd} #{seconds} #{gltextargs[2]}"
          end
        elsif match[2]? && match[2] =~ /^.+$/
          effectsmsg( settings, "overlay #{cmd} #{match[2]}" )
          puts "matched #{cmd} #{match[2]}"
        else
          effectsmsg( settings, "overlay #{cmd}" )
          puts "failed to match gltext"
        end
      elsif ( cmd =~ /^(cow(s|)|cowabunga|holycow$)/ )
        if match[2]? && match[2] =~ /^([0-9])+$/
          effectsmsg( settings, "overlay bouncingcow #{match[2]}" )
        else
          effectsmsg( settings, "overlay bouncingcow" )
        end
      elsif ( cmd == "overlay" )
        if match[2]? && match[2] =~ /^[a-z]+$/
          ircipc.send( { "##{settings["channel"]}", "| overlay requires an argument consisting wholly of lower case characters."} )
          effectsmsg( settings, "overlay #{match[2]}" )
        end
      elsif ( cmd =~ /^(system|dxdiag|computer)$/ ) && ( Crystal::DESCRIPTION =~ /linux/ )
        ircipc.send( { "##{settings["channel"]}", "| https://bungmonkey.omgwallhack.org/tmp/DxDiag.txt" } )
      elsif ( cmd == "hackerman" )
        ircipc.send( { "##{settings["channel"]}", "| https://bungmonkey.omgwallhack.org/img/hackerman.jpg" } )
      elsif ( cmd =~ /^(songrequest|sr)$/ ) && match[2]?
        puts ("song detected: #{match[2]}")
        if ( ( match[2] =~ /list=/ ) && ( match[2] !~ /v=/ ) )
          ircipc.send( { "##{settings["channel"]}", "| Lists are not accepted.\n" } )
        elsif Process.run( "sraddsong.sh", {match[2]} )
          m = MPD::Client.new
          currentsong = m.currentsong
          if ( currentsong ) && ( currentsong["file"].to_s == "http://music/music.ogg" )
            m.next
          end
          if ( status = m.status ) && ( playlistinfo = m.playlistinfo )
            ircipc.send( { "##{settings["channel"]}", "| " + playlistinfo[ status["playlistlength"].to_i - 1 ]["file"].to_s + " added in position " + status["playlistlength"].to_s } )
          else
            ircipc.send( { "##{settings["channel"]}", "| A failure occured." } )
          end
          m.disconnect
        else
        end
      elsif ( cmd =~ /^current(|song)$/ )
        m = MPD::Client.new
        if ( currentsong = m.currentsong )
            ircipc.send( { "##{settings["channel"]}", "| Currently playing: " + currentsong["file"].to_s } )
        else
          ircipc.send( { "##{settings["channel"]}", "| A failure occured." } )
        end
        m.disconnect
      elsif ( cmd =~ /^seek$/ )
        if ( ( match[2] ) && ( match[2] =~ /([+-]|)[0-9]/ ) )
          m = MPD::Client.new
          m.seekcur( match[2] )
          if ( ( musicstatus = m.status ) && ( pos = musicstatus["elapsed"].to_f.to_u64 ) )
            min=( pos / 60 ).to_u64
            sec=( pos % 60 ).to_u64
            ircipc.send( { "##{settings["channel"]}", "| " + sprintf( "2%d:2%d", min, sec ) } )
          else
            ircipc.send( { "##{settings["channel"]}", "| An error occurred. " } )
          end
          m.disconnect
        else
          ircipc.send( { "##{settings["channel"]}", "| Seek requires an argument of an absolute position in integer number of seconds, or a relative position in in signed integer number of seconds such as +60" } )
        end
      elsif ( cmd =~ /^next(|song)$/ )
        m = MPD::Client.new
        m.next
        if ( status = m.status ) && ( status["playlistlength"].to_i > 0 )
          if ( currentsong = m.nextsong )
            ircipc.send( { "##{settings["channel"]}", "| Currently playing: " + currentsong["file"].to_s } )
          else
            ircipc.send( { "##{settings["channel"]}", "| A failure occured." } )
          end
        else
          ircipc.send( { "##{settings["channel"]}", "| Playlist is now empty." } )
        end
        m.disconnect
      elsif ( cmd == "followage" )
        begin
          if match[2]?
            args = match[2].split(/\s/)
            if args[1]?
              json = JSON.parse( client.get_user_follows( from: client.user_id( args[0] ).to_u64 , to: client.user_id( args[1] ).to_u64 ) )
              puts client.user_id( args[0] ).to_s
              puts client.user_id( args[1] ).to_s
              puts json
              ircipc.send( { "##{settings["channel"]}", "| " + json["data"][0]["followed_at"].to_s } )
            elsif args[0]?
              json = JSON.parse( client.get_user_follows( from: client.user_id( args[0] ).to_u64 , to: settings["channel_id"].to_u64 ) )
              puts client.user_id( args[0] ).to_s
              puts json
              ircipc.send( { "##{settings["channel"]}", "| " + json["data"][0]["followed_at"].to_s } )
            end
          else
            json = JSON.parse( client.get_user_follows( from: uid.to_u64 , to: settings["channel_id"].to_u64 ) )
            puts json
            ircipc.send( { "##{settings["channel"]}", "| " + json["data"][0]["followed_at"].to_s } )
          end
        rescue ex
          ircipc.send( { "##{settings["channel"]}", "An error occurred! " + ex.message.to_s } )
        end
      end
      end
    end

    rooms = Array( String ).new
    rooms = [ "##{settings["channel"]}" ]

    # Connect to Twitch
    bot.run( rooms.map{ | room | room.sub( /^#/, "") } )
  rescue ex : IO::Error
    pp ex
    sleep 1
    # loop to reconnect
  rescue ex
    pp ex
    {% if flag?(:windows) %}
      puts "press enter to end program"
      gets
    {% end %}
    exit 1
  end
end


# FastIRC::Message.to_s
# @badge-info=;badges=;color=;display-name=BungMonkey;emotes=;flags=;id=20fcc358-4fc3-4919-8229-f1034743d18f;mod=0;room-id=46694819;subscriber=0;tmi-sent-ts=1587876383907;turbo=0;user-id=59895482;user-type= :bungmonkey!bungmonkey@bungmonkey.tmi.twitch.tv PRIVMSG #kr3wzz test

# FastIRC::Message.tags
# {"badge-info" => "subscriber/34",
#  "badges" => "broadcaster/1,subscriber/12",
#  "color" => "",
#  "display-name" => "BungMonkey",
#  "emote-only" => "1",
#  "emotes" => "300780134:0-9",
#  "flags" => "",
#  "id" => "c5c08c05-6e39-483f-b426-488dfc477a6c",
#  "mod" => "0",
#  "room-id" => "59895482",
#  "subscriber" => "1",
#  "tmi-sent-ts" => "1587871386678",
#  "turbo" => "0",
#  "user-id" => "59895482",
#  "user-type" => ""}

#command = "PRIVMSG"
#prefix = Prefix(@source="bungmonkey", @user="bungmonkey", @host="bungmonkey.tmi.twitch.tv")
#params = ["#bungmonkey", "test test test test"]