# -*- mode: ruby; -*-
#=begin header
#Command Executer
#  This agent responds to privmsg's from the operator that start with "!" and execute the commands.
#
#  $Author: knu $
#  $Date: 2001/01/31 10:55:28 $
#
#  Copyright (C) 1998-2000 Hiroshi IGARASHI
#=end

agent = IRC::PassiveAgent::new("CommandExecuter")

class << agent
  include IRC
  def start(client)
    super
    @operator = User.parse(Operator)
    report("Hello, sir.")
  end
  def stop
    super
  end
  def notifyMessage(message)
      case message.command
      when CMD_PRIVMSG
        from = message.prefix
        to = message.params[0]
        user = User::parse(from)
        #putlog("debug", "recieved PRIVMSG from #{user}.")
        str = message.trailing
        if to == @client.nick
          if user.nick == @operator.nick
            operator(str)
          else
            report("#{user} commanded me \"#{str}\".")
          end
        end
      end
  end

  private
  def report(str)
    privmsg("!"+str, @operator.nick)
  end
  def operator(str)
    if str =~ /\A[\s　]*[!！](.*)[\s　]*\Z/
      putlog("debug", $1)
      str = $1
      case str
      when /\Aquit\Z/
        doQuit
      when /\Areboot\Z/
        doReboot
      when /\AlistAgent\Z/
        doListAgent
      when /\ArestartAgent[\s　]+(\w+)\Z/
        doRestartAgent($1)
      when /\Achannels\Z/
        doMychannel
      when /\Ainvite[\s　]+(\S+)\Z/
        doInvite($1)
      else
        report("Beg your pardon, sir?")
      end
    end
  end

  # 終了
  def doQuit
    report("I am leaving, sir!")
    @client.stop
  end

  # 再起動(to be fixed)
  def doReboot
    unless fork
      exec($0)
    end
    doQuit
  end

  # List agents
  def doListAgent
    report("List of agents:")
    @client.agents.keys.sort.each do |name|
      agent = @client.agents[name]
      putlog("debug", agent.inspect)
      report("  #{agent.script_name.ljust(24)}: #{agent.nick}")
    end
    report("(End of list)")
  end

  # Restart an agent
  def doRestartAgent(name)
    new_agent = @client.restartAgent(name)
    unless new_agent.nil?
      report("Agent [#{new_agent.nick}] has been restarted.")
    end
  end

  # List channels it's joining
  def doMychannel
    channels = @client.join_channels
    unless channels.empty?
      report("I am joining the channels: ")
      report("　" + channels.join(","))
    else
      report("I am not joining any channels.")
    end
  end

  def doInvite(channel)
    report("I'm coming to "+channel)
    @client.join(channel, [])
    privmsg("Hello, excuse me for interrupting you..", channel)
    putlog("join", channel)
  end
end

agent