class OrderItemPdf < Prawn::Document

  def initialize(order_item, print_settings)
    super(:margin => [10, 5, 30, 5], :page_size => [200,400])

    # font "public/fonts/#{font_name}".to_s + ".ttf".to_s
    # font "public/fonts/Zawgyi-One.ttf"
    # font "public/fonts/padauk.ttf"    
    font_size 9
    text "#{order_item.dining}", :size => 15
    stroke_horizontal_rule
    move_down 5

    #order_info
    order_info(order_item.order_by,order_item.order_at, order_item.customer)

    # order items
    order_items(order_item)
  end

  # Write Order Information to PDF
  def order_info(order_by, order_at, customer)    
    y_position = cursor

    bounding_box([0,y_position], :width => 200, :height => 15) do
        text "OrderBy:#{order_by}  Customer:#{customer}  Date:#{order_at.strftime("%Y-%m-%d")}", :size => 7,:align => :left    
    end

    stroke_horizontal_rule

    move_down 20
  end

  # Write Order items to PDF
  def order_items(order_item)
    y_position = cursor

    bounding_box([0,y_position], :width => 180, :height => 15) do
        text "Item", :size => 7,:align => :left
    end

    bounding_box([160,y_position], :width => 20, :height => 15) do
        text "Qty", :size => 7,:align => :right
    end

    stroke_horizontal_rule
    move_down 5

    #Add Order Item
    add_order_items(order_item)
  end

  # Add order items under order info
  def add_order_items(order_item)
    y_position = cursor

    move_down 5

    bounding_box([0,y_position], :width => 180, :height => 20) do
        text "#{order_item.item_name}", :size => 7,:align => :left
    end

    bounding_box([160,y_position], :width => 20, :height => 20) do
        text "#{order_item.qty}", :size => 7,:align => :right
    end

    move_down 5

  end

end