#!/usr/bin/env ruby
#
# omptagger
# http://github.com/omp/omptagger
# Modify and display metadata of audio files.
#
# Copyright 2007-2010 David Vazgenovich Shakaryan <dvshakaryan@gmail.com>
# Distributed under the terms of the GNU General Public License v3.
# See http://www.gnu.org/licenses/gpl.txt for the full license text.

require 'getoptlong'

actions = Array.new
options = Array.new
scheme  = '%a - %t'

GetoptLong.new(
  ['--view',       '-v', GetoptLong::NO_ARGUMENT],
  ['--view-tag',   '-t', GetoptLong::REQUIRED_ARGUMENT],
  ['--set-tag',    '-s', GetoptLong::REQUIRED_ARGUMENT],
  ['--remove',     '-r', GetoptLong::NO_ARGUMENT],
  ['--remove-tag', '-d', GetoptLong::REQUIRED_ARGUMENT],
  ['--generate',   '-g', GetoptLong::NO_ARGUMENT],
  ['--rename',     '-m', GetoptLong::NO_ARGUMENT],
  ['--scheme',     '-n', GetoptLong::REQUIRED_ARGUMENT],
  ['--pretend',    '-p', GetoptLong::NO_ARGUMENT],
  ['--list',       '-l', GetoptLong::NO_ARGUMENT],
  ['--help',       '-h', GetoptLong::NO_ARGUMENT]
).each do |option, argument|
  option = option.delete('-').intern

  case option
  when :scheme
    scheme = argument
  when :help, :list, :pretend
    options << option
  when :viewtag, :settag, :removetag
    actions << [option, argument]
  when :generate, :rename
    actions << [option, scheme]
  else
    actions << option
  end
end