# -*- coding: utf-8 -*-
# @Author: privacy
# @Date:   2024-06-24 16:33:01
# @Last Modified by:   privacy
# @Last Modified time: 2024-07-09 17:55:47
import time
import json
import datetime
import threading
from queue import  Queue
from dataclasses import dataclass, asdict

import paho.mqtt.client as mqclient
from unitree_sdk2py.core.channel import ChannelSubscriber, ChannelFactoryInitialize
from unitree_sdk2py.idl.unitree_go.msg.dds_ import SportModeState_

# from tasks import schedule
from tasks import CustomClient
from utils import parse_config


@dataclass
class MQTTClientInfoX:
    brokerIP: str
    brokerPort: int
    clientId: str
    user: str
    pwd: str


class SimpleMqttClient(threading.Thread):
    def __init__(self, mqttClientInfo: MQTTClientInfoX, clientId: str):
        threading.Thread.__init__(self, name="mqttElevClient_{}".format(time.time()))
        self.mqsCI = mqttClientInfo
        self.on_message = None
        self.keepAliveInterval = None
        self.clientId = clientId

    def setKeepAlive(self, keepAliveInterval: int = None) -> None:
        """设置超时事件
        """
        self.keepAliveInterval = 30 if keepAliveInterval is None or keepAliveInterval < 0 else keepAliveInterval

    def setTopic(self, topic: list) -> None:
        """设置订阅主题
        """
        self.sub_topic = topic

    def on_connect(self, client, userdata, flags, reason_code, properties):
        if reason_code.is_failure:
            print(f"Failed to connect: {reason_code}. loop_forever() will retry connection")
        else:
            # 我们总是应该从连接回调中订阅,以确保我们的连接在重新连接中一直存在。
            client.subscribe(self.sub_topic)
            print('subscribe ==> {}'.format(self.sub_topic))

    def on_disconnect(self, client, userdata, flags, reason_code, properties):
        client.user_data_set(userdata + 1)
        if userdata == 0:
            client.reconnect()

    def on_subscribe(self, client, userdata, mid, reason_code_list: list, properties):
        # 如果我们只订阅一个频道，reason_code_list 包含一个单条目
        for reason_code in reason_code_list:
            if reason_code.is_failure:
                print(f"Broker rejected you subscription: {reason_code}")
            else:
                print(f"Broker granted the following QoS: {reason_code.value}")

    def on_log(self, client, userdata, level, message):
        print(message)

    def run(self):
        """继承多线程，重新run方法
        """
        self.startClient(self.clientId)

    def startClient(self, clientId: str):
        """启动MQTT客户端
        """
        print("starting mqttElevClient...")
        self.clientConn = mqclient.Client(
            mqclient.CallbackAPIVersion.VERSION2,
            client_id=clientId,
            clean_session=False
        )
        self.clientConn.username_pw_set(self.mqsCI.user, self.mqsCI.pwd)
        print("MQTT u:p -> {}:{}".format(self.mqsCI.user, '*' * len(self.mqsCI.pwd)))

        self.clientConn.on_connect = self.on_connect
        self.clientConn.on_subscribe = self.on_subscribe
        self.clientConn.on_message = self.on_message
        self.clientConn.on_disconnect = self.on_disconnect
        self.clientConn.on_log = self.on_log

        # ----------------------------------------------------------------------------- #
        while True:
            try:
                print(" connecting to MQTT broker: {}:{}".format(self.mqsCI.brokerIP, self.mqsCI.brokerPort))
                self.clientConn.connect(
                    self.mqsCI.brokerIP,
                    self.mqsCI.brokerPort,
                    self.keepAliveInterval
                )
                break
            except Exception as e:
                # traceback.print_exc()
                print('startClient :{}'.format(e))
                time.sleep(5)

        self.clientConn.loop_forever()


def on_message(client, userdata, msg):
    global pub_topic
    try:
        topic = msg.topic
        mqttMsg = json.loads(msg.payload.decode('utf-8'))

        print('recv mqttMsg:{}'.format(mqttMsg))

        payload = {
            "sn": pub_topic[topic],
            "t": datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S'),
            "f": 3,
            "p1": 120,
        }
        payload = json.dumps(payload)

        client.publish(pub_topic[topic], payload=payload, qos=2, retain=False)
    except Exception as e:
        print("mqttMsgRecvCB:{}".format(e))


if __name__ == '__main__':
    queue = Queue()

    services = parse_config('config.yaml')

    brokerIP = services['broker']['IP']
    brokerPort = services['broker']['Port']
    clientId = services['client']['Id']
    user = services['client']['user']
    pwd = services['client']['pwd']

    # 订阅主题(实时)
    global pub_topic
    sub_topic = [(rt['sub'], 2) for rt in services['subscribe']['realtime']]
    pub_topic = {rt['sub']: rt['pub'] for rt in services['subscribe']['realtime']}

    mqCI = MQTTClientInfoX(brokerIP, brokerPort, clientId, user, pwd)
    mqttClient = SimpleMqttClient(mqCI, clientId)
    mqttClient.setTopic(sub_topic)
    mqttClient.setKeepAlive(60)
    mqttClient.on_message = on_message
    mqttClient.start()

    # 启动定时任务
    # schedule(mqttClient, services['subscribe']['schedule'])

    cc = CustomClient(queue=queue)
    # 消息传递
    while True:
        try:
            data = queue.get()
            mqttClient.clientConn.publish(
                    data['topic'],
                    payload=data['payload'],
                    qos=2,
                    retain=False
                )
        except Exception as e:
            print(e)