# File lib/simple_commander/user_interaction.rb, line 191
def applescript(script)
  %x`osascript -e "#{ script.gsub('"', '\"') }"`
end

# File lib/simple_commander/user_interaction.rb, line 258
def ask_editor(input = nil, preferred_editor = nil)
  editor = available_editor preferred_editor
  program = SimpleCommander::Runner.instance.program(:name).downcase rescue 'commander'
  tmpfile = Tempfile.new program
  begin
    tmpfile.write input if input
    tmpfile.close
    system("#{editor} #{tmpfile.path.shellescape}") ? IO.read(tmpfile.path) : nil
  ensure
    tmpfile.unlink
  end
end

# File lib/simple_commander/user_interaction.rb, line 239
def available_editor(preferred = nil)
  [preferred, ENV['EDITOR'], 'mate -w', 'vim', 'vi', 'emacs', 'nano', 'pico']
    .compact
    .find { |name| system("hash #{name.split.first} 2>&-") }
end

# File lib/simple_commander/user_interaction.rb, line 41
def choose(message = nil, *choices, &block)
  say message if message
  super(*choices, &block)
end

# File lib/simple_commander/user_interaction.rb, line 115
def color(*args)
  say $terminal.color(*args)
end

# File lib/simple_commander/user_interaction.rb, line 166
def converse(prompt, responses = {})
  i, commands = 0, responses.map { |_key, value| value.inspect }.join(',')
  statement = responses.inject '' do |inner_statement, (key, value)|
    inner_statement <<
    (
      (i += 1) == 1 ?
      %Q(if response is "#{value}" then\n) :
      %Q(else if response is "#{value}" then\n)
    ) <<
    %Q(do shell script "echo '#{key}'"\n)
  end
  applescript(
    %Q(
    tell application "SpeechRecognitionServer"
      set response to listen for {#{commands}} with prompt "#{prompt}"
      #{statement}
      end if
    end tell
    ),
  ).strip.to_sym
end

# File lib/simple_commander/user_interaction.rb, line 274
def enable_paging
  return unless $stdout.tty?
  return unless Process.respond_to? :fork
  read, write = IO.pipe

  # Kernel.fork is not supported on all platforms and configurations.
  # As of Ruby 1.9, `Process.respond_to? :fork` should return false on
  # configurations that don't support it, but versions before 1.9 don't
  # seem to do this reliably and instead raise a NotImplementedError
  # (which is rescued below).

  if Kernel.fork
    $stdin.reopen read
    write.close
    read.close
    Kernel.select [$stdin]
    ENV['LESS'] = 'FSRX' unless ENV.key? 'LESS'
    pager = ENV['PAGER'] || 'less'
    exec pager rescue exec '/bin/sh', '-c', pager
  else
    # subprocess
    $stdout.reopen write
    $stderr.reopen write if $stderr.tty?
    write.close
    read.close
  end
rescue NotImplementedError
ensure
  write.close if write && !write.closed?
  read.close if read && !read.closed?
end

# File lib/simple_commander/user_interaction.rb, line 220
def io(input = nil, output = nil, &block)
  $stdin = File.new(input) if input
  $stdout = File.new(output, 'r+') if output
  return unless block
  yield
  reset_io
end

# File lib/simple_commander/user_interaction.rb, line 55
def log(action, *args)
  say format('%15s  %s', action, args.join(' '))
end

# File lib/simple_commander/user_interaction.rb, line 32
def password(message = 'Password: ', mask = '*')
  pass = ask(message) { |q| q.echo = mask }
  pass = password message, mask if pass.nil? || pass.empty?
  pass
end

# File lib/simple_commander/user_interaction.rb, line 317
def progress(arr, options = {})
  bar = ProgressBar.new arr.length, options
  bar.show
  arr.each { |v| bar.increment yield(v) }
end

# File lib/simple_commander/user_interaction.rb, line 231
def reset_io
  $stdin, $stdout = STDIN, STDOUT
end

# File lib/simple_commander/user_interaction.rb, line 95
def say_error(*args)
  args.each do |arg|
    say $terminal.color(arg, :red)
  end
end

# File lib/simple_commander/user_interaction.rb, line 67
def say_ok(*args)
  args.each do |arg|
    say $terminal.color(arg, :green)
  end
end

# File lib/simple_commander/user_interaction.rb, line 81
def say_warning(*args)
  args.each do |arg|
    say $terminal.color(arg, :yellow)
  end
end

# File lib/simple_commander/user_interaction.rb, line 137
def speak(message, voice = :Alex, rate = 175)
  Thread.new { applescript "say #{message.inspect} using #{voice.to_s.inspect} speaking rate #{rate}" }
end