#!/usr/bin/env ruby
# coding: utf-8

# prevent i18n gem warning
require 'i18n'
i18n_gem_config = I18n.config
if i18n_gem_config.respond_to?(:enforce_available_locales=) && i18n_gem_config.enforce_available_locales.nil?
  i18n_gem_config.enforce_available_locales = true
end

require 'i18n/tasks'
require 'i18n/tasks/commands'
require 'slop'

err = proc { |message, exit_code|
  if STDERR.isatty
    STDERR.puts Term::ANSIColor.yellow('i18n-tasks: ' + message)
  else
    STDERR.puts message
  end
  exit exit_code
}

begin
  ran       = false
  commander = ::I18n::Tasks::Commands
  instance  = commander.new
  instance.set_internal_locale!
  slop_adapter = ::I18n::Tasks::SlopCommand
  args         = ARGV.dup
  args         = ['--help'] if args.empty?
  Slop.parse(args, help: true) do
    on('-v', '--version', 'Print the version') {
      puts I18n::Tasks::VERSION
      exit
    }
    commander.cmds.each do |name, attr|
      slop_dsl = slop_adapter.slop_command(name, attr) { |_name, opts|
        begin
          ran = true
          instance.safe_run name, opts
        rescue Errno::EPIPE
          # ignore Errno::EPIPE which is throw when pipe breaks, e.g.:
          # i18n-tasks missing | head
          exit 1
        end
      }
      instance_exec(&slop_dsl)
    end
  end
rescue Slop::Error => e
  err.call(e.message, 64)
end


err.call("Command unknown: #{args[0]}", 64) if !ran && args[0]