#!/usr/bin/env ruby

require 'optparse'

require 'user_agent_parser'
require 'user_agent_parser/cli'

options = {}

optparse = OptionParser.new do|opts|
  opts.on('--name', 'Print name only') do
    options[:name] = true
  end

  opts.on('--version', 'Print version only') do
    options[:version] = true
  end

  opts.on('--major', 'Print major version only') do
    options[:major] = true
  end

  opts.on('--minor', 'Print minor version only') do
    options[:minor] = true
  end

  opts.on('--os', 'Print operating system only') do
    options[:os] = true
  end

  opts.on('--format format',
          'Print output in specified format. The available formatters are:',
          ' - %n: name',
          ' - %v: version',
          ' - %M: major version',
          ' - %m: minor version',
          ' - %o: operating system'
         ) do |format|
    options[:format] = format
  end

  opts.on('-h', '--help', 'Display this screen') do
    puts opts
    exit
  end
end

optparse.parse!

parser = UserAgentParser::Parser.new

ARGF.each do |line|
  puts UserAgentParser::Cli.new(parser.parse(line), options).run!
end