class W3DHub
  class States
    class PromptDialog < CyberarmEngine::GuiState
      def setup
        window.show_cursor = true

        theme(W3DHub::THEME)

        background 0xee_444444

        flow(width: 1.0, height: 1.0) do
          flow(fill: true, height: 1.0)

          stack(width: 1.0, max_width: MAX_PAGE_WIDTH, height: 1.0, margin: 128, background: 0xee_222222) do
            flow(width: 1.0, height: 32, padding: 8) do
              background 0x88_000000

              image "#{GAME_ROOT_PATH}/media/ui_icons/question.png", width: 32, align: :center, color: 0xff_ff8800

              tagline "<b>#{@options[:title]}</b>", width: 0.9, text_align: :center
            end

            stack(width: 1.0, fill: true, padding: 16) do
              para @options[:message], width: 1.0
              @prompt_entry = edit_line @options[:prefill].to_s, margin_top: 24, width: 1.0, autofocus: true, focus: true, type: @options[:input_type] == :password ? :password : :text
            end

            flow(width: 1.0, height: 40, padding: 8) do
              button "Cancel", width: 0.25 do
                pop_state
                @options[:cancel_callback]&.call(@prompt_entry.value)
              end

              stack(fill: true)

              @accept_button = button "Accept", width: 0.25 do
                if @options[:valid_callback]&.call(@prompt_entry.value)
                  pop_state
                  @options[:accept_callback]&.call(@prompt_entry.value)
                end
              end
            end
          end

          flow(fill: true, height: 1.0)
        end

        @prompt_entry.subscribe(:changed) do
          if @options[:valid_callback]
            if @options[:valid_callback].call(@prompt_entry.value)
              c = W3DHub::THEME[:Button][:border_color]

              @prompt_entry.style.border_color = c
              @prompt_entry.style.default[:border_color] = c
              @prompt_entry.style.hover[:border_color]   = c
              @prompt_entry.style.active[:border_color]  = c

              @accept_button.enabled = true
            else
              c = 0xff_ff0000

              @prompt_entry.style.border_color = c
              @prompt_entry.style.default[:border_color] = c
              @prompt_entry.style.hover[:border_color]   = c
              @prompt_entry.style.active[:border_color]  = c

              @accept_button.enabled = false
            end

            @prompt_entry.set_border_color
          end
        end
      end

      def draw
        previous_state&.draw

        Gosu.flush

        super
      end
    end
  end
end