omegahm/beerclub

prawn_document(page_layout: :landscape, page_size: 'A4') do |pdf|
  # Define grid to be
  # ---------------------
  # |                   |
  # ---------------------
  # |   |           |   |
  # ---------------------

  pdf.font_size 15
  pdf.move_up 20
  pdf.text 'Køkken 400 Ølloge', align: :center

  pdf.font_size 8
  data = [
           [
             { content: 'Navn',    width: 50 },
             { content: 'Værelse', width: 50 }
           ] +

           @products.map { |p| { content: p.name, width: p.width.presence || 130 } } +

           [
             { content: 'Indbetalt' },
             { content: 'Balance', width: 70 }
          ]
         ]

  @users.each do |user|
    user_data = [
      { content: user.name, align: :center },
      { content: user.room, align: :center }
    ]

    @products.each do |product|
      user_data << ''
    end

    # Payment
    user_data << ''

    # Balance
    num = (@balances[user.id].presence || 0) + (@payments[user.id].presence || 0)
    user_data << { content: number_to_currency(num), align: :right, text_color: (num > 0 ? '00cc00' : 'cc0000') }

    data << user_data
  end

  # Totals
  data << [
    { content: 'Total', align: :center, font_style: :bold, border_lines: [:dashed, :solid, :solid, :solid] },
    { content: '', border_lines: [:dashed, :solid, :solid, :solid]},
  ] +

  @products.flat_map { |product|
    [ content: @totals[product.id].to_s, align: :center, font_style: :bold, border_lines: [:dashed, :solid, :solid, :solid] ]
  } +

  [
    { content: '', border_lines: [:dashed, :solid, :solid, :solid]},
    { content: number_to_currency(@total_balance), align: :right, font_style: :bold, border_lines: [:dashed, :solid, :solid, :solid] }
  ]

  # Main table
  pdf.table data, width: pdf.bounds.width, cell_style: { height: 12, padding: [0, 5, 0, 5] } do
    # Bold header
    row(0).font_style = :bold
    row(0).align = :center

    # Alternating colors
    cells.style do |c|
      if c.row == 0
        c.background_color = 'f0ad4e'
      elsif c.row % 2 == 0
        c.background_color = 'e9e9e9'
      else
        c.background_color = 'ffffff'
      end
    end
  end

  pdf.move_down 10
  pdf.table @products_data, cell_style: { height: 12, padding: [0, 5, 0, 5] }

  meta_data = [
    ['Salg sidste måned', { content: number_to_currency(@sales_last_month),        align: :right}],
    ['Kontant',           { content: number_to_currency(@last_month_meta[:cash]),  align: :right}],
    ['Svind',             { content: number_to_currency(@last_month_meta[:loss]),  align: :right}],
    ['Ølbeholdning',      { content: number_to_currency(@last_month_meta[:stock]), align: :right}],
    ['Penge i alt',       { content: number_to_currency(@total_money),             align: :right}]
  ]

  pdf.move_up 30
  pdf.text 'Bankkonto:', align: :center
  pdf.text "Reg nr.: #{@settings[:reg_no]} Konto nr.: #{@settings[:account_no]}", align: :center
  pdf.text 'Husk at skrive værelsesnummer på, når I betaler', align: :center
  pdf.move_down 5
  pdf.text I18n.l(DateTime.current, format: :long).capitalize, align: :center
  pdf.move_down 5
  pdf.text 'http://kk400.herokuapp.com/', align: :center

  pdf.move_up 70
  pdf.table meta_data, position: :right, cell_style: { height: 12, padding: [0, 5, 0, 5] }
end