import http.server
import threading
import socket
from functools import wraps


class MockResponse:
  def __init__(self, json, status_code):
    self.json = json
    self.text = json
    self.status_code = status_code


class EchoSocket():
  def __init__(self, port):
    self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    self.socket.bind(('127.0.0.1', port))
    self.socket.listen(1)

  def run(self):
    conn, _ = self.socket.accept()
    conn.settimeout(5.0)

    try:
      while True:
        data = conn.recv(4096)
        if data:
          print(f'EchoSocket got {data}')
          conn.sendall(data)
        else:
          break
    finally:
      conn.shutdown(0)
      conn.close()
      self.socket.shutdown(0)
      self.socket.close()


class MockApi():
  def __init__(self, dongle_id):
    pass

  def get_token(self):
    return "fake-token"


class MockParams():
  default_params = {
    "DongleId": b"0000000000000000",
    "GithubSshKeys": b"ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQC307aE+nuHzTAgaJhzSf5v7ZZQW9gaperjhCmyPyl4PzY7T1mDGenTlVTN7yoVFZ9UfO9oMQqo0n1OwDIiqbIFxqnhrHU0cYfj88rI85m5BEKlNu5RdaVTj1tcbaPpQc5kZEolaI1nDDjzV0lwS7jo5VYDHseiJHlik3HH1SgtdtsuamGR2T80q1SyW+5rHoMOJG73IH2553NnWuikKiuikGHUYBd00K1ilVAK2xSiMWJp55tQfZ0ecr9QjEsJ+J/efL4HqGNXhffxvypCXvbUYAFSddOwXUPo5BTKevpxMtH+2YrkpSjocWA04VnTYFiPG6U4ItKmbLOTFZtPzoez private", # noqa: E501
    "GithubUsername": b"commaci",
    "GsmMetered": True,
    "AthenadUploadQueue": '[]',
  }
  params = default_params.copy()

  @staticmethod
  def restore_defaults():
    MockParams.params = MockParams.default_params.copy()

  def get_bool(self, k):
    return bool(MockParams.params.get(k))

  def get(self, k, encoding=None):
    ret = MockParams.params.get(k)
    if ret is not None and encoding is not None:
      ret = ret.decode(encoding)
    return ret

  def put(self, k, v):
    if k not in MockParams.params:
      raise KeyError(f"key: {k} not in MockParams")
    MockParams.params[k] = v


class MockWebsocket():
  def __init__(self, recv_queue, send_queue):
    self.recv_queue = recv_queue
    self.send_queue = send_queue

  def recv(self):
    data = self.recv_queue.get()
    if isinstance(data, Exception):
      raise data
    return data

  def send(self, data, opcode):
    self.send_queue.put_nowait((data, opcode))


class HTTPRequestHandler(http.server.SimpleHTTPRequestHandler):
  def do_PUT(self):
    length = int(self.headers['Content-Length'])
    self.rfile.read(length)
    self.send_response(201, "Created")
    self.end_headers()


def with_http_server(func, handler=http.server.BaseHTTPRequestHandler, setup=None):
  @wraps(func)
  def inner(*args, **kwargs):
    host = '127.0.0.1'
    server = http.server.HTTPServer((host, 0), handler)
    port = server.server_port
    t = threading.Thread(target=server.serve_forever)
    t.start()

    if setup is not None:
      setup(host, port)

    try:
      return func(*args, f'http://{host}:{port}', **kwargs)
    finally:
      server.shutdown()
      server.server_close()
      t.join()

  return inner