#!/usr/bin/env ruby

require 'optparse'
require 'methadone'
#require 'tropo_tail.rb'
require 'net/ftp'
require 'colorize'

class App
  include Methadone::Main
  include Methadone::CLILogging

  main do # Add args you want: |like,so|
    @ftp = Net::FTP.new('ftp.tropo.com')
    run
    @ftp.login(@username, @password)
    @ftp.chdir('logs')
    get_latest
    if @filename.nil?
      puts "No new logs"
      wait_for_logs
    else
      tail
    end
  end

  # supplemental methods here
  def self.run
    puts "Please type your Tropo Username..."
    @username = gets.chomp
    begin
      puts "Please enter your Tropo Password"
      system 'stty -echo'
      @password = gets.chomp
      system 'stty echo'
    rescue
      system 'stty echo'
      exit
    end
  end

  def self.wait_for_logs
    while @filename.nil?
      get_latest
      sleep 15
      print "."
    end
    tail
  end

  def self.get_latest
    @ftp.list.each do |file|
      if file[-4..-1] == ".txt"
        @filename = file[-19..-1]
      end
    end
  end

  def self.tail
    maxline = 0
    orig_log = @filename
    while 0 < 1
      get_latest
      if orig_log != @filename
        maxline = 0
        orig_log = @filename
      end
      linecount = 0
      @ftp.gettextfile(@filename, nil) do |line|
        info = /(?<=PRISM )(?<=PRISM )(\d{7}\/\d{7}\/)(\w{32}\/|0\/)(\w{32}\/)(1\/)(\S{1,50}\/)(\[\S{1,50}\])/.match(line).to_s.yellow
        linecount += 1
        if linecount > maxline
          maxline = linecount
          if options['truncate']
            puts "#{line[0..19].blue} #{line[(info.length + 38)..-1]}"
          else
            puts "#{line[0..19].blue}#{line[21..50].yellow} #{info}#{line[(info.length + 38)..-1]}"
          end
        end
      end
      sleep 3
    end
  end

  def self.log_line_break
    Thread.new do
      while 0 < 1
        char = STDIN.getc
        if char == "\r"
          puts ""
        end
      end
    end
  end


  # Declare command-line interface here

  # description "one line description of your app"
  #
  # Accept flags via:
  # on("--flag VAL","Some flag")
  # options[flag] will contain VAL
  #
  # Specify switches via:
   on("--truncate","Some switch")
  #
  # Or, just call OptionParser methods on opts
  #
  # Require an argument
  # arg :some_arg 
  #
  # # Make an argument optional
  # arg :optional_arg, :optional

  version TropoTail::VERSION

  use_log_level_option :toggle_debug_on_signal => 'USR1'

  go!
end