# frozen_string_literal: true

module Thinreports
  module Generator
    class PDF
      module DrawTemplateItems
        # @param [Array<Hash>] items
        # rubocop:disable Metrics/CyclomaticComplexity
        def draw_template_items(items)
          items.each do |item_attributes|
            next unless drawable?(item_attributes)

            case item_attributes['type']
            when 'text' then draw_text(item_attributes)
            when 'image' then draw_image(item_attributes)
            when 'rect' then draw_rect(item_attributes)
            when 'ellipse' then draw_ellipse(item_attributes)
            when 'line' then draw_line(item_attributes)
            end
          end
        end

        private

        # @param [Hash] item_attributes
        def draw_rect(item_attributes)
          x, y, w, h = item_attributes.values_at('x', 'y', 'width', 'height')
          graphic_attributes = build_graphic_attributes(item_attributes['style']) do |attrs|
            attrs[:radius] = item_attributes['rx']
          end

          rect(x, y, w, h, graphic_attributes)
        end

        # @see #draw_rect
        def draw_ellipse(item_attributes)
          x, y, rx, ry = item_attributes.values_at('cx', 'cy', 'rx', 'ry')
          ellipse(x, y, rx, ry, build_graphic_attributes(item_attributes['style']))
        end

        # @see #draw_rect
        def draw_line(item_attributes)
          x1, y1, x2, y2 = item_attributes.values_at('x1', 'y1', 'x2', 'y2')
          line(x1, y1, x2, y2, build_graphic_attributes(item_attributes['style']))
        end

        # @see #draw_rect
        def draw_text(item_attributes)
          x, y, w, h = item_attributes.values_at('x', 'y', 'width', 'height')
          text(
            item_attributes['texts'].join("\n"), x, y, w, h,
            build_text_attributes(item_attributes['style'])
          )
        end

        # @see #draw_rect
        def draw_image(item_attributes)
          x, y, w, h = item_attributes.values_at('x', 'y', 'width', 'height')
          image_data = item_attributes['data']

          base64image(image_data['base64'], x, y, w, h)
        end

        def drawable?(item_attributes)
          item_attributes['id'].empty? && item_attributes['display']
        end
      end
    end
  end
end