#!/usr/bin/env ruby
#
# Twitter on the command line
#

require 'rubygems'
gem 'twitter4r', '>=0.2.0'
require 'twitter'
require 'ftools'

class Tweet

  def initialize

  end

  def real_main(argv)
    #
    # Specifiy these values in ~/.twitter for convenience
    #
    username = nil
    password = nil
    dot_file = File.join ENV['HOME'], '.twitter'
    if File.exists? dot_file
      File.open dot_file, 'r' do |file|
        file.each do |line|
          parts = line.split /:/
          next if parts.length != 2
          case parts[0].downcase
          when 'username' then username = parts[1]
          when 'password' then password = parts[1]
          end
        end
      end
    end
    #
    # Sanity check
    #
    have_error = false
    if !username
      STDERR.puts 'You need to specify a username in ~/.twitter'
      have_error = true
    end
    if !password
      STDERR.puts 'You need to specify a password in ~/.twitter'
      have_error = true
    end
    return 1 if have_error
    run username,password,argv
  end

  private

  def log(msg)
    STDERR.puts msg
    STDERR.flush
  end

  def run(username,password,argv)
    username = username.strip
    password = password.strip
    client = Twitter::Client.new(:login => username, :password => password)
    msg = argv.join ' '
    client.status(:post, msg)
    log 'Sent.'
  end

end

def main(argv)
  Tweet.new.real_main argv
end

main ARGV