module RSpec
  module Parameterized
    module TableSyntax
      class Table
        attr_reader :last_row

        def initialize
          @rows = []
          @last_row = nil
        end

        def add_row(row)
          unless @rows.find {|r| r.object_id == row.object_id}
            @rows << row
            @last_row = row
          end
          self
        end

        def add_param_to_last_row(param)
          last_row.add_param(param)
          self
        end
        alias :| :add_param_to_last_row

        def to_a
          @rows.map(&:to_a)
        end
        alias :to_params :to_a

        class Row
          def initialize(param)
            @params = [param]
          end

          def add_param(param)
            @params << param
          end

          def to_a
            @params
          end

          def to_params
            [@params]
          end
        end
      end
    end
  end
end