# Nathan Hinotn
# Creates a simple dialouge box that can be spawned from any location

TEXT_SIZE = 20
TEXT_MARGIN = 3

class DialougeBox
  # @param draw_x [Integer]
  # @param draw_y [Integer]
  # @param size_x [Integer] The width that this should open at (in pixels at zero zoom)
  # @param size_y [Integer] The height that this should open at (in pixels at zero zoom)
  def initialize(x, y, size_x, size_y, screen_width, screen_height, text, box_size, hover_time)
    @text = text
    @longest_line = ((@text.split("\n").map { |ss| ss.length}.max) / 2.25).to_i
    @line_count = @text.split("\n").length
    
    @x = x
    @y = y
    @size_x = size_x
    @size_y = size_y
    @screen_width = screen_width
    @screen_height = screen_height
    @box_size = box_size
    @hover_time = hover_time
    @show = false
    @image = Gosu.render(((TEXT_MARGIN * 2) + TEXT_SIZE) * @longest_line, (TEXT_SIZE + TEXT_MARGIN) * @line_count) {
      Gosu.draw_rect(
        0,
        0,
        (((TEXT_MARGIN * 2) + TEXT_SIZE) * @longest_line) + @x,
        ((TEXT_SIZE + TEXT_MARGIN) * @line_count) + @y,
        Gosu::Color.new(0xC0, 0xFF, 0xFF, 0xFF),
        0,
      )
      Gosu::Image.from_text(text, TEXT_SIZE, font: FONT_PATH).draw(TEXT_MARGIN, TEXT_MARGIN)
    }
    @timer = 0
    @draw_x = 0
    @draw_y = 0
  end

  # Used to move the dialouge box around
  # @param x [Integer] The x position to move to.
  # @param y [Integer] The y position to move to.
  def move(x, y)
    @draw_x = x
    @draw_y = y
  end

  # Update called every delta time
  def update(delta_mult, camera_zoom, mouse_x, mouse_y)
    @camera_zoom = camera_zoom

    if 0 < mouse_x - @draw_x && mouse_x - @draw_x < (@size_x * @camera_zoom) && 0 < mouse_y - @draw_y && mouse_y - @draw_y < (@size_y * @camera_zoom)
      @timer += 60.0 * delta_mult
      if @timer > @hover_time
        @show = true
      end
    else
      @timer = 0
      @show = false
    end
    
    
  end

  ## Draw the dialouge if it is supposed to be shown.
  def draw()
    if @show
      @image.draw(@draw_x, @draw_y, 0, @camera_zoom, @camera_zoom)
    end
  end
end