class AkaneSound

# File lib/akane_sound.rb, line 36
def initialize
  SDL2.init(SDL2::INIT_TIMER|SDL2::INIT_AUDIO|SDL2::INIT_VIDEO|
            SDL2::INIT_EVENTS)
  SDL2::TTF.init
  SDL2::Mixer.init(SDL2::Mixer::INIT_FLAC|SDL2::Mixer::INIT_MODPLUG|
                   SDL2::Mixer::INIT_MP3|SDL2::Mixer::INIT_OGG)
  #SDL2::Mixer.open(44100, SDL2::Mixer::DEFAULT_FORMAT, 2, 512)
  #SDL2::Mixer.open(48000, SDL2::Mixer::DEFAULT_FORMAT, 2, 512)

  Setup::init(ARGV[0])

  @@window = SDL2::Window.create("akane_sound", SDL2::Window::POS_CENTERED,
                                 SDL2::Window::POS_CENTERED,
                                 @@config[:window_w], @@config[:window_h],
                                 SDL2::Window::Flags::RESIZABLE)
  @@win_w = @@window.size[0]
  @@win_h = @@window.size[1]

  @@renderer = @@window.create_renderer(-1, 0)
  @@screen = SDL2::Rect[0, 0, @@config[:window_w], @@config[:window_h]]
  @@font = SDL2::TTF.open(@@config[:font], @@config[:font_size])
  @@font_bold = SDL2::TTF.open(@@config[:font_big], @@config[:font_size])
  @frames = 0
  @fps = 30
  @tstmp_start = nil
  @tstmp_last_input = SDL2.get_ticks

end

# File lib/akane_sound.rb, line 65
def run(argv)
  bg = Background.new(@@config[:bg_img])
  @@inp = Input.new
  @@sound = Sound.new
  @@sec_status = SectionStatus.new(0, @@config[:window_h]-80,
                                   @@config[:window_w], 80,
                                   @@config[:view_bottom_bg_color])
  @@sec_dir = SectionDir.new(0, 0, @@config[:window_w]/2,
                           @@config[:window_h]-80,
                           @@config[:view_left_bg_color])
  @@sec_pl = SectionPlaylist.new(@@config[:window_w]/2, 0,
                               @@config[:window_w]/2, @@config[:window_h]-80,
                               @@config[:view_right_bg_color])
  loop do
    update_fps
    while event = SDL2::Event.poll
      @@inp.handle_event(event)
    end
    @@inp.set_state
    #update
    @tstmp_last_input = SDL2.get_ticks if @@inp.any_key >= 1
    if @@inp.quit >= 1
      save
      exit
    end
    unless @@sleep_flag
      if @@inp.switch == 1
        if @@sec_dir.focus_flag
          @@sec_dir.focus_flag = false
          @@sec_pl.focus_flag = true
        else
          @@sec_dir.focus_flag = true
          @@sec_pl.focus_flag = false
        end
        @@sec_dir.update_element_strings
        #@@sec_dir.set_page
        @@sec_dir.update_element_positions
        @@sec_pl.update_element_strings
        #@@sec_pl.set_page
        @@sec_pl.update_element_positions
      end
      if @@inp.clear == 1
        @@sec_pl.clear
      end
      if @@inp.write == 1
        write_playlist
      end
    end
    if @@window.size[0] != @@win_w || @@window.size[1] != @@win_h
      @@win_w = @@window.size[0]
      @@win_h = @@window.size[1]
      @@screen = SDL2::Rect[0, 0, @@win_w, @@win_h]
      bg.update
      @@sec_dir.update_size(0, 0, @@win_w/2, @@win_h-80)
      @@sec_pl.update_size(@@win_w/2, 0, @@win_w/2, @@win_h-80)
      @@sec_status.update_size(0, @@win_h-80, @@win_w, 80)
    else
      bg.update
    end
    @@sound.update
    unless @@sleep_flag
      @@sec_dir.update
      @@sec_pl.update
    end
    @@sec_status.update
    @@sleep_flag = false if @@inp.any_key >= 1
    sleep_check
    #draw
    @@renderer.viewport = nil
    bg.draw
    unless @@sleep_flag
      @@sec_dir.draw
      @@sec_pl.draw
    end
    @@sec_status.draw
    @@renderer.present
    #GC.start
    wait_fps
  end
end

# File lib/akane_sound.rb, line 146
def set_status(str)
  @@msg.destroy if @@msg
  @@msg = @@font.render_blended('> '+str, Util.to_col_ar(
    @@config[:text_color_status]))
  @@msg_rect = SDL2::Rect[0, 0, @@msg.w,
                                     @@msg.h]
end

# File lib/akane_sound.rb, line 156
def save
  @@save_data[:volume] = @@sound.volume
  @@save_data[:cur_pl] = @@sec_pl.playlist
  File.open(@@pref_dir+'save_data.yaml', 'w') do |file|
    file.write(@@save_data.to_yaml)
  end
end

# File lib/akane_sound.rb, line 174
def sleep_check
  @@tstmp_now = SDL2.get_ticks
  if @@config[:sleep_timer] > 0
    if (@@tstmp_now-@tstmp_last_input) >= @@config[:sleep_timer]*1000
      @@sleep_flag = true
    end
  end
end

# File lib/akane_sound.rb, line 183
def update_fps
  if @frames == 0
    @tstmp_start = SDL2.get_ticks
  end
  if @frames == @fps
    t = SDL2.get_ticks
    fps = 1000.to_f / ((t - @tstmp_start) / @fps.to_f)
    @frames = 0
    @tstmp_start = SDL2.get_ticks
  end
  @frames += 1
end

# File lib/akane_sound.rb, line 196
def wait_fps
  took_time = SDL2.get_ticks - @tstmp_start
  wait_time = @frames * 1000 / @fps - took_time
  if wait_time > 0
    SDL2.delay(wait_time)
  end
end

# File lib/akane_sound.rb, line 164
def write_playlist
  unless Dir.exist?(File.join(@@config[:root_dir], "akane_playlists"))
    Dir.mkdir(File.join(@@config[:root_dir], "akane_playlists"))
  end
  File.open(File.join(@@config[:root_dir], "akane_playlists",
            SDL2.get_ticks.to_s+'.apl.yaml'), 'w') do |file|
    file.write(@@sec_pl.playlist.to_yaml)
  end
end