class ScreenScrot

# File lib/screenscrot.rb, line 20
def configure
  init
  yield(ScreenScrot) if block_given?
  return true if title && path && ext

  false
end

# File lib/screenscrot.rb, line 46
def initialize(title = nil, path = nil, ext = nil)
  ScreenScrot.configure
  @frames = 0
  @title = title || ScreenScrot.title
  @path = path || ScreenScrot.path
  @ext = ext || ScreenScrot.ext
  [@title, @path, @ext].select do |type|
    raise 'Configuration data must be string!' unless type.is_a?(String)
  end
  @path += '/' unless @path.end_with?('/')
  @filename = "#{@title}_#{rand(999)}"
  @directory =  "#{@path}#{@filename}/"
  system "mkdir -p #{@directory}" unless Dir.exist?(@directory)
  Dir.chdir(@directory)
end

# File lib/screenscrot.rb, line 33
def init
  @title ||= 'ScreenScrot'
  @path ||= Dir.pwd
  @ext ||= 'png'
  true
end

# File lib/screenscrot.rb, line 74
def capture(win = :active, quality: 75)
  scr = case win.to_sym
        when :all
          ''    # rec everything
        when :select
          '-s'  # select with mouse
        else
          '-u' # active window (default)
        end
  screenshot = @directory + Time.now.to_f.to_s.gsub!('.', '')
  exec = "scrot #{scr} -q #{quality} #{screenshot + @frames.to_s}.#{@ext}"
  system exec
  # captured frames counter
  @frames += 1
end

# File lib/screenscrot.rb, line 90
def to_gif(title = nil, opts = {})
  title ||= @filename
  opts[:dir]   ||= @directory
  opts[:ext]   ||= @ext
  opts[:delay] ||= 20
  opts[:loop]  ||= 2
  Dir.chdir(opts[:dir])
  title += '.gif' unless title.end_with? '.gif'
  exec = "convert -delay #{opts[:delay]} -loop #{opts[:loop]} *.#{opts[:ext]} #{title}"
  system exec
rescue StandardError
  false
end