jimmycuadra/to_lang

#!/usr/bin/env ruby
require "optparse"
$:.unshift File.expand_path("../../lib", __FILE__)
require "to_lang/version"

options = {}
OptionParser.new do |o|
  o.banner = "Usage: to_lang [--key API_KEY] [--from SOURCE_LANGUAGE] --to DESTINATION_LANGUAGE STRING [STRING, ...]"

  o.on("--key API_KEY", "A Google Translate API key", "(Will attempt to use ENV['GOOGLE_TRANSLATE_API_KEY'] if not supplied)") do |key|
    options[:key] = key
  end

  o.on("--from SOURCE", "The source language") do |source|
    options[:from] = source
  end

  o.on("--to DESTINATION", "The destination language") do |destination|
    options[:to] = destination
  end

  o.on("-v", "--version", "The current version of ToLang") do
    puts "ToLang v#{ToLang::VERSION}"
    exit
  end

  o.on("-h", "--help", "This help screen") do
    puts o
    exit
  end
end.parse!

options[:key] ||= ENV['GOOGLE_TRANSLATE_API_KEY']
abort "A Google Translate API key is required" unless options[:key]
abort "A valid destination language is required" unless options[:to]
abort "At least one string to translate is required" unless ARGV.size >= 1

require "to_lang"
ToLang.start(options[:key])
puts ARGV.translate(options[:to], :from => options[:from])