class PokemonHatPresenter
  PIXELS_PER_MOVEMENT = 4

  def initialize(view, pokemon)
    @view = view
    @pokemon = pokemon
    @hatFilename = "Graphics/Characters/player/hat/trainer/hat_trainer_1"
    @sprites = {}

    @x_pos = pokemon.hat_x ? pokemon.hat_x : 0
    @y_pos = pokemon.hat_y ? pokemon.hat_y : 0
    @hat_id = pokemon.hat ? pokemon.hat : 1
    @viewport = nil
    @previewwindow = nil

    @original_pokemon_bitmap = nil
  end

  def getPicturePath()
    if @pokemon.isTripleFusion?
      picturePath = GameData::Species::getSpecialSpriteName(@pokemon.species_data.id_number)
    elsif @pokemon.isFusion?
      picturePath = get_fusion_sprite_path(@pokemon.species_data.head_pokemon.id_number, @pokemon.species_data.body_pokemon.id_number)
    else
      picturePath = get_unfused_sprite_path(@pokemon.species_data.id_number, @pokemon.spriteform_body)
    end
    return picturePath
  end

  def pbStartScreen
    @view.init_window(self)
    cancel if !select_hat()
    if position_hat()
      updatePokemonHatPosition()
    else
      cancel
    end
    @view.hide_move_arrows
    @view.hide_select_arrows
    @view.dispose_window()
  end

  def updatePokemonHatPosition()
    @pokemon.hat = @hat_id
    @pokemon.hat_x = @x_pos
    @pokemon.hat_y = @y_pos
  end

  def cancel
    @pokemon.hat = nil
  end

  def select_hat
    selector = OutfitSelector.new
    @view.display_select_arrows
    outfit_type_path = get_hats_sets_list_path()
    @pokemon.hat = 0 if !@pokemon.hat
    loop do
      Graphics.update
      Input.update
      @hat_id = selector.selectNextOutfit(@hat_id, 1, selector.hats_list, [], false, "hat_trainer") if Input.trigger?(Input::RIGHT)
      @hat_id = selector.selectNextOutfit(@hat_id, -1, selector.hats_list, [], false, "hat_trainer") if Input.trigger?(Input::LEFT)
      break if Input.trigger?(Input::USE)
      return false if Input.trigger?(Input::BACK)
      @view.update()
    end
    @pokemon.hat = @hat_id
    @view.hide_select_arrows

  end

  def position_hat
    @view.display_move_arrows
    loop do
      Graphics.update
      Input.update
      @x_pos += PIXELS_PER_MOVEMENT if Input.repeat?(Input::RIGHT)
      @x_pos -= PIXELS_PER_MOVEMENT if Input.repeat?(Input::LEFT)
      @y_pos += PIXELS_PER_MOVEMENT if Input.repeat?(Input::DOWN)
      @y_pos -= PIXELS_PER_MOVEMENT if Input.repeat?(Input::UP)
      break if Input.trigger?(Input::USE)
      return false if Input.trigger?(Input::BACK)
      @view.update()
    end
    @view.hide_move_arrows
    return true
  end

  def initialize_bitmap()
    picturePath = getPicturePath()
    @original_pokemon_bitmap = AnimatedBitmap.new(picturePath)
    @original_pokemon_bitmap.scale_bitmap(Settings::FRONTSPRITE_SCALE)
  end

  def getPokemonHatBitmap()
    @hatFilename = getTrainerSpriteHatFilename(@hat_id)
    hatBitmapWrapper = AnimatedBitmap.new(@hatFilename, 0) if pbResolveBitmap(@hatFilename)
    pokemon_bitmap = @original_pokemon_bitmap.bitmap.clone
    pokemon_bitmap.blt(@x_pos, @y_pos, hatBitmapWrapper.bitmap, hatBitmapWrapper.bitmap.rect) if hatBitmapWrapper
    return pokemon_bitmap
  end

end