class Swagcov::OpenapiFiles

def find_response_keys path:, route_verb:
  # replace :id with {id}
  regex = ::Regexp.new("^#{path.gsub(%r{:[^/]+}, '\\{[^/]+\\}')}?$")
  matching_paths_key = @openapi_path_keys.grep(regex).first
  matching_request_method_key = @openapi_paths.dig(matching_paths_key, route_verb.downcase)
  matching_request_method_key["responses"].keys.map(&:to_s).sort if matching_request_method_key
end

def initialize filepaths:
  @filepaths = filepaths
  @openapi_paths = load_yamls
  @openapi_path_keys = @openapi_paths.keys
end

def load_yaml filepath
  ::YAML.load_file(filepath)["paths"] # loads yaml or json
rescue ::Psych::SyntaxError, ::JSON::ParserError
  raise ::Swagcov::Errors::BadConfiguration, "Malformed openapi file (#{filepath})"
end

def load_yamls
  ::Dir.glob(@filepaths).reduce({}) do |hash, filepath|
    hash.merge(load_yaml(filepath))
  end
end