class OasRails::Builders::ParameterBuilder

def build
  @parameter
end

def extract_word_before(string, param)
  regex = %r{/(\w+)/\{#{param}\}}
  match = string.match(regex)
  match ? match[1] : nil
end

def from_path(path, param)
  @parameter.name = param
  @parameter.in = 'path'
  @parameter.description = "#{param.split('_')[-1].titleize} of existing #{extract_word_before(path, param).singularize}."
  self
end

def initialize(specification)
  @specification = specification
  @parameter = Spec::Parameter.new(specification)
end