require_relative 'setting.rb'
# require_relative "config_settings.rb"

class ResolutionSetting < Setting
  FULLSCREEN_NAME = "fullscreen"
  RESOLUTIONS = ["640x480", "800x600", "960x720", "1024x768", "1280x960", "1400x1050", "1440x1080", "1600x1200", "1856x1392", "1920x1440", "2048x1536", FULLSCREEN_NAME]
  attr_accessor :x, :y, :font, :max_width, :max_height


  def initialize fullscreen_height, max_width, max_height, height, config_file_path
    # puts "INNITING #{config_file_path}"
    @font = Gosu::Font.new(20)
    # @x = width
    @y = height
    @max_width = max_width
    @max_height = max_height
    @next_x = 15
    @prev_x = @max_width - 15 - @font.text_width('>')
    @config_file_path = config_file_path
    @name = 'resolution'
    @value = ConfigSetting.get_setting(@config_file_path, @name, RESOLUTIONS[0])
    @fullscreen = false
    @fullscreen_height = fullscreen_height
  end

  def get_resolution
    if @value == FULLSCREEN_NAME
      height = @fullscreen_height
      width = (@fullscreen_height / 3) * 4
      [width, height, true]
    elsif @value
      @value.split('x').collect{|s| s.to_i }
    end
  end

  def draw
    @font.draw("<", @next_x, @y, 1, 1.0, 1.0, 0xff_ffff00)
    @font.draw(@value, ((@max_width / 2) - @font.text_width(@value) / 2), @y, 1, 1.0, 1.0, 0xff_ffff00)
    @font.draw(">", @prev_x, @y, 1, 1.0, 1.0, 0xff_ffff00)
  end

  def update mouse_x, mouse_y
  end

  def clicked mx, my
    if is_mouse_hovering_next(mx, my)
      index = RESOLUTIONS.index(@value)
      value = @value
      if index == 0
        value = RESOLUTIONS[RESOLUTIONS.count - 1]
      else
        value = RESOLUTIONS[index - 1]
      end
      ConfigSetting.set_setting(@config_file_path, @name, value)
      @value = value
    elsif is_mouse_hovering_prev(mx, my)
      index = RESOLUTIONS.index(@value)
      value = @value
      if index == RESOLUTIONS.count - 1
        value = RESOLUTIONS[0]
      else
        value = RESOLUTIONS[index + 1]
      end
      ConfigSetting.set_setting(@config_file_path, @name, value)
      @value = value
    end
  end
  def is_mouse_hovering_next mx, my
    local_width  = @font.text_width('>')
    local_height = @font.height

    (mx >= @next_x and my >= @y) and (mx <= @next_x + local_width) and (my <= @y + local_height)
  end
  def is_mouse_hovering_prev mx, my
    local_width  = @font.text_width('<')
    local_height = @font.height

    (mx >= @prev_x and my >= @y) and (mx <= @prev_x + local_width) and (my <= @y + local_height)
  end


end