# frozen_string_literal: true

module ParseValue
  extend self

  def range(range, type = :integer)
    if range.start_with?("<=")
      [:lte, cast(range.delete_prefix("<="), type)]

    elsif range.start_with?("..")
      [:lte, cast(range.delete_prefix(".."), type)]

    elsif range.start_with?("<")
      [:lt, cast(range.delete_prefix("<"), type)]

    elsif range.start_with?(">=")
      [:gte, cast(range.delete_prefix(">="), type)]

    elsif range.end_with?("..")
      [:gte, cast(range.delete_suffix(".."), type)]

    elsif range.start_with?(">")
      [:gt, cast(range.delete_prefix(">"), type)]

    elsif range.include?("..")
      left, right = range.split("..", 2)
      [:between, cast(left, type), cast(right, type)]

    elsif range.include?(",")
      [:in, range.split(",")[0..99].map { |x| cast(x, type) }]

    else
      [:eq, cast(range, type)]

    end
  end

  private

  def cast(object, type)
    case type
    when :integer
      object.to_i

    when :float
      object.to_f
    end
  end
end