class Multish

# File lib/multish.rb, line 297
def self.run!(args)
  self.new.run!(args)
end

# File lib/multish.rb, line 301
def errored?
  @commands.any?(&:errored?)
end

# File lib/multish.rb, line 305
def run!(args)
  @commands = args.each_with_index.map { |arg, index| MultishItem.new(arg, index, args.count) }
  Curses.init_screen
  Curses.start_color
  Curses.curs_set(0)
  Curses.use_default_colors
  Curses.cbreak
  @commands.each(&:create_window!)
  @commands.each(&:open_process!)
  fdlist = @commands.flat_map(&:streams)
  begin
    while true
      fdlist.reject!(&:closed?)
      break if fdlist.empty?

      ready = IO.select(fdlist)[0]
      ready.each do |fd|
        @commands.each { |command| command.try_update(fd) }
      end
      @commands.each(&:update_title!)
      break if @commands.all?(&:finished?)
    end
  rescue StandardError => e
    Curses.close_screen
    warn 'INTERNAL ERROR'.red
    warn e.message
    warn e.backtrace
  ensure
    Curses.curs_set(1)
    Curses.close_screen
    warn $log.join("\n").blue
    if errored?
      warn 'At least one of the commands exited with error.'
      @commands.select(&:errored?).each(&:print_output!)
      exit 1
    else
      exit 0
    end
  end
end