# #!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# <HTTPretty - HTTP client mock for Python>
# Copyright (C) <2011-2021> Gabriel Falcão <gabriel@nacaolivre.org>
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
from __future__ import unicode_literals

import os
import time
import socket

from tornado.web import Application
from tornado.web import RequestHandler
from tornado.httpserver import HTTPServer
from tornado.ioloop import IOLoop
from httpretty import HTTPretty
from httpretty.core import old_socket as true_socket
from multiprocessing import Process


def utf8(s):
    if isinstance(s, str):
        s = s.encode('utf-8')

    return bytes(s)


class BubblesHandler(RequestHandler):
    def get(self):
        self.write(". o O 0 O o . o O 0 O o . o O 0 O o . o O 0 O o . o O 0 O o .")


class ComeHandler(RequestHandler):
    def get(self):
        self.write("<- HELLO WORLD ->")


def subprocess_server_tornado(app, port, data={}):
    from httpretty import HTTPretty
    HTTPretty.disable()

    http = HTTPServer(app)
    HTTPretty.disable()

    http.listen(int(port))
    IOLoop.instance().start()


class TornadoServer(object):
    is_running = False

    def __init__(self, port):
        self.port = int(port)
        self.process = None

    @classmethod
    def get_handlers(cls):
        return Application([
            (r"/go-for-bubbles/?", BubblesHandler),
            (r"/come-again/?", ComeHandler),
        ])

    def start(self):

        app = self.get_handlers()

        data = {}
        args = (app, self.port, data)
        HTTPretty.disable()
        self.process = Process(target=subprocess_server_tornado, args=args)
        self.process.start()
        time.sleep(1)

    def stop(self):
        try:
            os.kill(self.process.pid, 9)
        except OSError:
            self.process.terminate()
        finally:
            self.is_running = False


def subprocess_server_tcp(port):
    from httpretty import HTTPretty
    HTTPretty.disable()
    import socket
    s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    s.bind(('localhost', port))
    s.listen(True)
    conn, addr = s.accept()

    while True:
        data = conn.recv(1024)
        conn.send(b"RECEIVED: " + bytes(data))

    conn.close()


class TCPServer(object):
    def __init__(self, port):
        self.port = int(port)

    def start(self):
        HTTPretty.disable()


        args = [self.port]
        self.process = Process(target=subprocess_server_tcp, args=args)
        self.process.start()
        time.sleep(1)

    def stop(self):
        try:
            os.kill(self.process.pid, 9)
        except OSError:
            self.process.terminate()
        finally:
            self.is_running = False


class TCPClient(object):
    def __init__(self, port):
        self.port = int(port)
        self.sock = true_socket(socket.AF_INET, socket.SOCK_STREAM)
        self.sock.connect(('localhost', self.port))

    def send(self, data):
        if isinstance(data, str):
            data = data.encode('utf-8')

        self.sock.sendall(data)
        return self.sock.recv(len(data) + 11)

    def close(self):
        try:
            self.sock.close()
        except socket.error:
            pass  # already closed

    def __del__(self):
        self.close()