class Converter

# File lib/converter.rb, line 9
def initialize(res)
  @res = res
  convert_dir
end

# File lib/converter.rb, line 16
def convert_dir
  @dir = "Converted_#{@res}"
  Dir.mkdir(@dir) unless Dir.exists?(@dir)
  original_list.each do |e|
    command = convert_file(e)
    puts "command = #{command}"
    if !command.nil?
      puts "--- Converting #{e} ---"
      success = system(convert_file(e))
      raise "Failed on \"#{e}\" conversion" unless success
      puts "=== Finished #{e} ==="
    end
  end
end

# File lib/converter.rb, line 31
def convert_file(file)
  name = "#{@dir}/#{file[0...-File.extname(file).size]}.mp4"
  if File.exists?(name)
    puts "\nSkipped. File '#{name}' is already exists\n"
  else
    "ffmpeg -i \"#{file}\" -acodec libfaac -vcodec mpeg4 -b 1200k -s #{@res} \"#{name}\""
  end
end

# File lib/converter.rb, line 40
def original_list
  entries = Dir.entries(Dir.pwd)
  entries = entries.find_all do |e| 
    if File.file?(e)
      ext = File.extname(e).downcase[1..-1]
      VIDEO_EXT.include?(ext)
    end
  end
  raise "No video files in \"#{Dir.pwd}\"" if entries.empty?
  entries
end