#! /usr/bin/env python
# -*- coding: utf-8 -*-
# vim:fenc=utf-8


from enum import Enum, auto
from typing import Optional

import rocketmq
from pydantic import BaseModel

class MessageType(int, Enum):
    DEFAULT = -1
    TEXT = 1
    VOICE = 2
    GIF = 3
    IMAGE_GW = 4
    IMAGE_QW = 5
    MINI_PROGRAM = 6
    LINK = 7
    SHI_PIN_HAO = 8
    NAME_CARD = 9
    POSITION = 10
    RED_PACKET = 11
    FILE_GW = 12
    FILE_QW = 13
    VIDEO_GW = 14
    VIDEO_QW = 15
    AGGREGATION_MSG = 16
    VOICE_VIDEO_CALL = 17

    ACTIVE_TRIGGER = 101
    AGGREGATION_TRIGGER = 102

    def __init__(self, code):
        self.description = {
            -1: "未分类的消息",
            1: "文本",
            2: "语音",
            3: "GIF",
            4: "个微图片",
            5: "企微图片",
            6: "小程序",
            7: "链接",
            8: "视频号",
            9: "名片",
            10: "位置",
            11: "红包",
            12: "个微文件",
            13: "企微文件",
            14: "个微视频",
            15: "企微视频",
            16: "聚合消息",
            17: "语音视频通话",
            101: "主动触发器",
            102: "消息聚合触发器"
        }[code]

# class MessageChannel(Enum):
#     CORP_WECHAT = (1, "企业微信")
#     MINI_PROGRAM = (2, "小程序")
#
#     SYSTEM = (101, "系统内部")
#
#     def __init__(self, code, description):
#         self.code = code
#         self.description = description
#
#     def __repr__(self):
#         return f"{self.__class__.__name__}.{self.name}"

class MessageChannel(int, Enum):
    CORP_WECHAT = 1
    MINI_PROGRAM = 2
    SYSTEM = 101

    def __init__(self, code):
        self.description = {
            1: "企业微信",
            2: "小程序",
            101: "系统内部"
        }[code]

class Message(BaseModel):
     msgId: Optional[int] = None
     type: MessageType
     channel: MessageChannel
     sender: Optional[str] = None
     senderUnionId: Optional[str] = None
     receiver: str
     content: Optional[str] = None
     # 由于需要和其它语言如Java进行序列化和反序列化交互，因此使用camelCase命名法
     sendTime: int
     refMsgId: Optional[int] = None

     # 原始的RocketMQ消息体，用于ack
     _rmq_message: Optional[rocketmq.Message] = None

     @staticmethod
     def build(type, channel, sender, receiver, content, timestamp):
         return Message(
             msgId=0,
             type=type,
             channel=channel,
             sender=sender,
             receiver=receiver,
             content=content,
             sendTime=timestamp
         )

     def to_json(self):
         return self.model_dump_json(include={
             "msgId", "type", "channel", "sender", "senderUnionId",
             "receiver", "content", "sendTime", "refMsgId"
         })

     @staticmethod
     def from_json(json_str):
         return Message.model_validate_json(json_str)