generate pdf

# frozen_string_literal: true

require 'prawn'

class OrderPdf < Prawn::Document

  def initialize(order, pdf_name)
    super()
    @order = order
    file_name = Rails.root.join("public/pdf/orders/#{pdf_name}.pdf")
    create_dirs
    header
    table_content if order.both? || order.room_details?
    text_content if order.both? || order.summary?
    text_content_total if order.both? || order.summary?
    render_file(file_name)
  end

  WIDTHS = [50, 110, 50, 130, 40, 40, 40, 40, 40]
  HEADERS = ['Item#', 'Description', 'Color', 'Dimensions', 'MSRP', 'Price', 'Select', 'Order Total', 'Status']

  def header
    item = Item.find_by(item_number: @order.order_lists.first[:item]) unless @order.order_lists.blank?
    image "#{Rails.root}/app/assets/images/default_for_pdf.png", width: 540, height: 252
    unless item.blank?
      room = item.room
      move_down(10)
      text "GROUP #{room.item_group_code} - #{room.group_name}", size: 15
      move_down(10)
    end
  end

  def text_content
    move_down(10)
    text 'Summary', size: 15
    horizontal_line_order
    y_position = cursor - 10
    bounding_box([0, y_position], width: 200, height: 80) do
      fill_color 'bcbaba'
      text 'Sub Total:', size: 10
      move_down(10)
      text 'Sales Tax:', size: 10
      move_down(10)
      text 'Coupon:', size: 10
      move_down(10)
      text 'Count Payment:', size: 10, width: 80
    end

    bounding_box([500, y_position], width: 200, height: 80) do
      fill_color 'bcbaba'
      text "$#{@order.sub_total}", size: 10
      move_down(10)
      text "$#{@order.tax}", size: 10
      move_down(10)
      text "$#{@order.coupon}", size: 10
      move_down(10)
      text "$#{@order.count_payment}", size: 10, width: 80
    end
  end

  def text_content_total
    horizontal_line_order
    y_position = cursor - 10
    bounding_box([0, y_position], width: 270, height: 10) do
      text 'Total:', size: 10, style: :bold, color: '000000'
    end

    bounding_box([500, y_position], width: 270, height: 10) do
      text "$#{@order.total}", size: 10, style: :bold, color: '000000'
    end
    horizontal_line_order
  end

  def table_content
    table order_rows do
      row(0).style borders: [], size: 9, text_color: 'e8e1e1'
      self.header = true
      self.row_colors = ['e8e1e1', 'ffffff']
      self.column_widths = WIDTHS
      cells.style borders: [], size: 9, text_color: '000000', height: 20
    end
  end

  def horizontal_line_order
    move_down(10)
    stroke_color 'e8e1e1'
    stroke_horizontal_rule
  end

  def order_rows
    [HEADERS] + @order.order_lists.map do |item|
      [item.item, item.description, item.color, item.dimensions, item.msrp,
       item.price, item.select, item.order_total, item.inventory_status]
    end
  end

  def create_dirs
    dir_pdf = "#{Rails.root}/public/pdf"
    dir_orders = "#{Rails.root}/public/pdf/orders"
    FileUtils.mkdir(dir_pdf) unless Dir.exist?(dir_pdf)
    FileUtils.mkdir(dir_orders) unless Dir.exist?(dir_orders)
  end
end