module TablePal
  class PlainTextColoured

    attr_reader :table

    def initialize(table:)
      @table = table

      table.rows.each do |row|
        print_row(row)
      end
    end

    private

    def print_row(row)
      row.cells_including_empty.each do |cell|
        print_cell(cell)
      end

      puts

      if row.heading
        underline
        empty
      elsif row.subheading
        empty
      end
    end

    def print_cell(cell)
      print cell.column.left_border
      print cell.column.left_padding
      print cell.formatted(justified: true, coloured: true)
      print cell.column.right_padding
      print cell.column.right_border
    end

    def underline
      table.columns.map do |column|
        char = '-'
        print column.left_border
        print column.left_padding_char(char)
        print char * column.width
        print column.right_padding_char(char)
        print column.right_border
      end

      puts
    end

    def empty
      table.create_row.empty_cells.each do |cell|
        print_cell(cell)
      end

      puts
    end

  end
end