class WebMock::HttpLibAdapters::NetHttpAdapter

def self.disable!
  Net.send(:remove_const, :HTTP)
  Net.send(:const_set, :HTTP, OriginalNetHTTP)
  if HAS_LEGACY_CONSTANT
    remove_silently(Net, :HTTPSession)
    Net.send(:const_set, :HTTPSession, OriginalNetHTTP)
  end
  #copy all constants from @webMockNetHTTP to original Net::HTTP
  #in case any constants were added to @webMockNetHTTP instead of Net::HTTP
  #after WebMock was enabled.
  #i.e Net::HTTP::DigestAuth
  @webMockNetHTTP.constants.each do |constant|
    if !OriginalNetHTTP.constants.map(&:to_s).include?(constant.to_s)
      OriginalNetHTTP.send(:const_set, constant, @webMockNetHTTP.const_get(constant))
    end
  end
end

def self.enable!
  Net.send(:remove_const, :HTTP)
  Net.send(:const_set, :HTTP, @webMockNetHTTP)
  if HAS_LEGACY_CONSTANT
    remove_silently(Net, :HTTPSession)
    Net.send(:const_set, :HTTPSession, @webMockNetHTTP)
  end
end

def self.remove_silently(mod, const) #:nodoc:
  # Don't warn on removing the deprecated constant
  verbose, $VERBOSE = $VERBOSE, nil
  mod.send(:remove_const, const)
ensure
  $VERBOSE = verbose
end

def build_net_http_response(webmock_response, request_uri, &block)
  response = Net::HTTPResponse.send(:response_class, webmock_response.status[0].to_s).new("1.0", webmock_response.status[0].to_s, webmock_response.status[1])
  body = webmock_response.body
  body = nil if webmock_response.status[0].to_s == '204'
  response.instance_variable_set(:@body, body)
  webmock_response.headers.to_a.each do |name, values|
    values = [values] unless values.is_a?(Array)
    values.each do |value|
      response.add_field(name, value)
    end
  end
  response.instance_variable_set(:@read, true)
  response.uri = request_uri
  response.extend Net::WebMockHTTPResponse
  if webmock_response.should_timeout
    raise Net::OpenTimeout, "execution expired"
  end
  webmock_response.raise_error_if_any
  yield response if block_given?
  response
end

def build_webmock_response(net_http_response)
  webmock_response = WebMock::Response.new
  webmock_response.status = [
     net_http_response.code.to_i,
     net_http_response.message]
  webmock_response.headers = net_http_response.to_hash
  webmock_response.body = net_http_response.body
  webmock_response
end

def check_right_http_connection
  unless @@alredy_checked_for_right_http_connection ||= false
    WebMock::NetHTTPUtility.puts_warning_for_right_http_if_needed
    @@alredy_checked_for_right_http_connection = true
  end
end

def const_defined?(name)
  super || self.superclass.const_defined?(name)
end

def const_defined?(name, inherit=true)
  super || self.superclass.const_defined?(name, inherit)
end

def const_get(name, inherit=true)
  super
rescue NameError
  self.superclass.const_get(name, inherit)
end

def constants(inherit=true)
  (super + self.superclass.constants(inherit)).uniq
end

def ensure_actual_connection
  if @socket.is_a?(StubSocket)
    @socket&.close
    @socket = nil
    do_start
  end
end

def request(request, body = nil, &block)
  request_signature = WebMock::NetHTTPUtility.request_signature_from_request(self, request, body)
  WebMock::RequestRegistry.instance.requested_signatures.put(request_signature)
  if webmock_response = WebMock::StubRegistry.instance.response_for_request(request_signature)
    @socket = Net::HTTP.socket_type.new
    WebMock::CallbackRegistry.invoke_callbacks(
      {lib: :net_http}, request_signature, webmock_response)
    build_net_http_response(webmock_response, request.uri, &block)
  elsif WebMock.net_connect_allowed?(request_signature.uri)
    check_right_http_connection
    after_request = lambda do |response|
      if WebMock::CallbackRegistry.any_callbacks?
        webmock_response = build_webmock_response(response)
        WebMock::CallbackRegistry.invoke_callbacks(
          {lib: :net_http, real_request: true}, request_signature, webmock_response)
      end
      response.extend Net::WebMockHTTPResponse
      block.call response if block
      response
    end
    super_with_after_request = lambda {
      response = super(request, nil, &nil)
      after_request.call(response)
    }
    if started?
      ensure_actual_connection
      super_with_after_request.call
    else
      start_with_connect {
        super_with_after_request.call
      }
    end
  else
    raise WebMock::NetConnectNotAllowedError.new(request_signature)
  end
end

def socket_type
  StubSocket
end

def start(&block)
  uri = Addressable::URI.parse(WebMock::NetHTTPUtility.get_uri(self))
  if WebMock.net_http_connect_on_start?(uri)
    super(&block)
  else
    start_without_connect(&block)
  end
end

def start_without_connect
  raise IOError, 'HTTP session already opened' if @started
  if block_given?
    begin
      @socket = Net::HTTP.socket_type.new
      @started = true
      return yield(self)
    ensure
      do_finish
    end
  end
  @socket = Net::HTTP.socket_type.new
  @started = true
  self
end