# frozen_string_literal: true

module Thinreports
  module Generator
    class PDF
      module Drawer
        class Page < Base
          # @param (see PDF::Drawer::Base#initialize)
          def initialize(pdf, format)
            super
            @lists = {}
          end

          # @param [Thinreports::Report::Page] page
          def draw(page)
            manager = page.manager

            manager.format.shapes.each_key do |id|
              shape = manager.final_shape(id)
              next unless shape

              shape = shape.internal

              if shape.type_of?(Core::Shape::PageNumber::TYPE_NAME)
                # Do not draw pageno if is not for Report
                draw_pageno_shape(shape, page) if page.count? && shape.for_report?
              else
                draw_shape(shape)
              end
            end
          end

          private

          def draw_shape(shape)
            if shape.type_of?(Core::Shape::TextBlock::TYPE_NAME)
              draw_tblock_shape(shape)
            elsif shape.type_of?(Core::Shape::List::TYPE_NAME)
              draw_list_shape(shape)
            elsif shape.type_of?(Core::Shape::ImageBlock::TYPE_NAME)
              draw_iblock_shape(shape)
            else
              id = shape.identifier
              unless @stamps.include?(id)
                create_basic_shape_stamp(shape)
                @stamps << id
              end
              pdf_stamp(shape)
            end
          end

          def draw_pageno_shape(shape, page)
            @pdf.draw_shape_pageno(shape, page.no, page.report.page_count)
          end

          # @see #draw_shape
          def draw_list_shape(shape)
            drawer = @lists[shape.id] ||= List.new(@pdf, shape.format)
            drawer.draw(shape)
          end

          # @see #draw_shape
          def draw_tblock_shape(shape)
            @pdf.draw_shape_tblock(shape)
          end

          # @see #draw_shape
          def draw_iblock_shape(shape)
            @pdf.draw_shape_iblock(shape)
          end

          # @param [Thinreports::Core::Shape::Base::Internal] shape
          def create_basic_shape_stamp(shape)
            if shape.type_of?('text')
              create_text_stamp(shape)
            elsif shape.type_of?('image')
              create_image_stamp(shape)
            elsif shape.type_of?('ellipse')
              create_ellipse_stamp(shape)
            elsif shape.type_of?('rect')
              create_rect_stamp(shape)
            elsif shape.type_of?('line')
              create_line_stamp(shape)
            end
          end

          # @see #create_basic_shape_stamp
          def create_image_stamp(shape)
            create_pdf_stamp(shape) do
              @pdf.draw_shape_image(shape)
            end
          end

          # @see #create_basic_shape_stamp
          def create_rect_stamp(shape)
            create_pdf_stamp(shape) do
              @pdf.draw_shape_rect(shape)
            end
          end

          # @see #create_basic_shape_stamp
          def create_ellipse_stamp(shape)
            create_pdf_stamp(shape) do
              @pdf.draw_shape_ellipse(shape)
            end
          end

          # @see #create_basic_shape_stamp
          def create_line_stamp(shape)
            create_pdf_stamp(shape) do
              @pdf.draw_shape_line(shape)
            end
          end

          # @see #create_basic_shape_stamp
          def create_text_stamp(shape)
            create_pdf_stamp(shape) do
              @pdf.draw_shape_text(shape)
            end
          end
        end
      end
    end
  end
end