from __future__ import annotations

import gewechat_client

import typing
import asyncio
import traceback
import time
import re
import base64
import copy
import threading

import quart
import aiohttp

from .. import adapter
from ...core import app
from ..types import message as platform_message
from ..types import events as platform_events
from ..types import entities as platform_entities
from ...utils import image
import xml.etree.ElementTree as ET


class GewechatMessageConverter(adapter.MessageConverter):
    def __init__(self, config: dict):
        self.config = config

    @staticmethod
    async def yiri2target(message_chain: platform_message.MessageChain) -> list[dict]:
        content_list = []
        for component in message_chain:
            if isinstance(component, platform_message.At):
                content_list.append({'type': 'at', 'target': component.target})
            elif isinstance(component, platform_message.Plain):
                content_list.append({'type': 'text', 'content': component.text})
            elif isinstance(component, platform_message.Image):
                if not component.url:
                    pass
                content_list.append({'type': 'image', 'image': component.url})

            elif isinstance(component, platform_message.Voice):
                content_list.append(
                    {'type': 'voice', 'url': component.url, 'length': component.length}
                )
            elif isinstance(component, platform_message.Forward):
                for node in component.node_list:
                    content_list.extend(
                        await GewechatMessageConverter.yiri2target(node.message_chain)
                    )

        return content_list

    async def target2yiri(
        self, message: dict, bot_account_id: str
    ) -> platform_message.MessageChain:
        if message['Data']['MsgType'] == 1:
            # 检查消息开头，如果有 wxid_sbitaz0mt65n22:\n 则删掉
            regex = re.compile(r'^wxid_.*:')
            # print(message)

            line_split = message['Data']['Content']['string'].split('\n')

            if len(line_split) > 0 and regex.match(line_split[0]):
                message['Data']['Content']['string'] = '\n'.join(line_split[1:])

            # 正则表达式模式，匹配'@'后跟任意数量的非空白字符
            pattern = r'@\S+'
            at_string = f'@{bot_account_id}'
            content_list = []
            if at_string in message['Data']['Content']['string']:
                content_list.append(platform_message.At(target=bot_account_id))
                content_list.append(
                    platform_message.Plain(
                        message['Data']['Content']['string'].replace(at_string, '', 1)
                    )
                )
            # 更优雅的替换改名后@机器人，仅仅限于单独AT的情况
            elif (
                'PushContent' in message['Data']
                and '在群聊中@了你' in message['Data']['PushContent']
            ):
                if (
                    '@所有人' in message['Data']['Content']['string']
                ):  # at全员时候传入atll不当作at自己
                    content_list.append(platform_message.AtAll())
                else:
                    content_list.append(platform_message.At(target=bot_account_id))
                content_list.append(
                    platform_message.Plain(
                        re.sub(pattern, '', message['Data']['Content']['string'])
                    )
                )
            else:
                content_list = [
                    platform_message.Plain(message['Data']['Content']['string'])
                ]

            return platform_message.MessageChain(content_list)

        elif message['Data']['MsgType'] == 3:
            image_xml = message['Data']['Content']['string']
            if not image_xml:
                return platform_message.MessageChain(
                    [platform_message.Plain(text='[图片内容为空]')]
                )

            try:
                base64_str, image_format = await image.get_gewechat_image_base64(
                    gewechat_url=self.config['gewechat_url'],
                    gewechat_file_url=self.config['gewechat_file_url'],
                    app_id=self.config['app_id'],
                    xml_content=image_xml,
                    token=self.config['token'],
                    image_type=2,
                )

                return platform_message.MessageChain(
                    [
                        platform_message.Image(
                            base64=f'data:image/{image_format};base64,{base64_str}'
                        )
                    ]
                )
            except Exception as e:
                print(f'处理图片消息失败: {str(e)}')
                return platform_message.MessageChain(
                    [platform_message.Plain(text='[图片处理失败]')]
                )
        elif message['Data']['MsgType'] == 34:
            audio_base64 = message['Data']['ImgBuf']['buffer']
            return platform_message.MessageChain(
                [
                    platform_message.Voice(
                        base64=f'data:audio/silk;base64,{audio_base64}'
                    )
                ]
            )
        elif message['Data']['MsgType'] == 49:
            # 支持微信聊天记录的消息类型，将 XML 内容转换为 MessageChain 传递
            try:
                content = message['Data']['Content']['string']
                # 有三种可能的消息结构weid开头，私聊直接<?xml>和直接<msg>
                if content.startswith('wxid'):
                    xml_list = content.split('\n')[2:]
                    xml_data = '\n'.join(xml_list)
                elif content.startswith('<?xml'):
                    xml_list = content.split('\n')[1:]
                    xml_data = '\n'.join(xml_list)
                else:
                    xml_data = content

                content_data = ET.fromstring(xml_data)
                # print(xml_data)
                # 拿到细分消息类型，按照gewe接口中描述
                """
                小程序：33/36
                引用消息：57
                转账消息：2000
                红包消息：2001
                视频号消息：51
                """
                appmsg_data = content_data.find('.//appmsg')
                data_type = appmsg_data.find('.//type').text
                if data_type == '57':
                    user_data = appmsg_data.find('.//title').text  # 拿到用户消息
                    quote_data = (
                        appmsg_data.find('.//refermsg').find('.//content').text
                    )  # 引用原文
                    sender_id = (
                        appmsg_data.find('.//refermsg').find('.//chatusr').text
                    )  # 引用用户id
                    from_name = message['Data']['FromUserName']['string']
                    message_list = []
                    if (
                        message['Wxid'] == sender_id and from_name.endswith('@chatroom')
                    ):  # 因为引用机制暂时无法响应用户，所以当引用用户是机器人是构建一个at激活机器人
                        message_list.append(platform_message.At(target=bot_account_id))
                    message_list.append(
                        platform_message.Quote(
                            sender_id=sender_id,
                            origin=platform_message.MessageChain(
                                [platform_message.Plain(quote_data)]
                            ),
                        )
                    )
                    message_list.append(platform_message.Plain(user_data))
                    return platform_message.MessageChain(message_list)
                elif data_type == '51':
                    return platform_message.MessageChain(
                        [platform_message.Plain(text='[视频号消息]')]
                    )
                    # print(content_data)
                elif data_type == '2000':
                    return platform_message.MessageChain(
                        [platform_message.Plain(text='[转账消息]')]
                    )
                elif data_type == '2001':
                    return platform_message.MessageChain(
                        [platform_message.Plain(text='[红包消息]')]
                    )
                elif data_type == '5':
                    return platform_message.MessageChain(
                        [platform_message.Plain(text='[公众号消息]')]
                    )
                elif data_type == '33' or data_type == '36':
                    return platform_message.MessageChain(
                        [platform_message.Plain(text='[小程序消息]')]
                    )
                # print(data_type.text)
                else:
                    try:
                        content_bytes = content.encode('utf-8')
                        decoded_content = base64.b64decode(content_bytes)
                        return platform_message.MessageChain(
                            [platform_message.Unknown(content=decoded_content)]
                        )
                    except Exception:
                        return platform_message.MessageChain(
                            [platform_message.Plain(text=content)]
                        )
            except Exception as e:
                print(f'Error processing type 49 message: {str(e)}')
                return platform_message.MessageChain(
                    [platform_message.Plain(text='[无法解析的消息]')]
                )


class GewechatEventConverter(adapter.EventConverter):
    def __init__(self, config: dict):
        self.config = config
        self.message_converter = GewechatMessageConverter(config)

    @staticmethod
    async def yiri2target(event: platform_events.MessageEvent) -> dict:
        pass

    async def target2yiri(
        self, event: dict, bot_account_id: str
    ) -> platform_events.MessageEvent:
        # print(event)
        # 排除自己发消息回调回答问题
        if event['Wxid'] == event['Data']['FromUserName']['string']:
            return None
        # 排除公众号以及微信团队消息
        if event['Data']['FromUserName']['string'].startswith('gh_') or event['Data'][
            'FromUserName'
        ]['string'].startswith('weixin'):
            return None
        message_chain = await self.message_converter.target2yiri(
            copy.deepcopy(event), bot_account_id
        )

        if not message_chain:
            return None

        if '@chatroom' in event['Data']['FromUserName']['string']:
            # 找出开头的 wxid_ 字符串，以:结尾
            sender_wxid = event['Data']['Content']['string'].split(':')[0]

            return platform_events.GroupMessage(
                sender=platform_entities.GroupMember(
                    id=sender_wxid,
                    member_name=event['Data']['FromUserName']['string'],
                    permission=platform_entities.Permission.Member,
                    group=platform_entities.Group(
                        id=event['Data']['FromUserName']['string'],
                        name=event['Data']['FromUserName']['string'],
                        permission=platform_entities.Permission.Member,
                    ),
                    special_title='',
                    join_timestamp=0,
                    last_speak_timestamp=0,
                    mute_time_remaining=0,
                ),
                message_chain=message_chain,
                time=event['Data']['CreateTime'],
                source_platform_object=event,
            )
        else:
            return platform_events.FriendMessage(
                sender=platform_entities.Friend(
                    id=event['Data']['FromUserName']['string'],
                    nickname=event['Data']['FromUserName']['string'],
                    remark='',
                ),
                message_chain=message_chain,
                time=event['Data']['CreateTime'],
                source_platform_object=event,
            )


class GeWeChatAdapter(adapter.MessagePlatformAdapter):
    name: str = 'gewechat'  # 定义适配器名称

    bot: gewechat_client.GewechatClient
    quart_app: quart.Quart

    bot_account_id: str

    config: dict

    ap: app.Application

    message_converter: GewechatMessageConverter
    event_converter: GewechatEventConverter

    listeners: typing.Dict[
        typing.Type[platform_events.Event],
        typing.Callable[[platform_events.Event, adapter.MessagePlatformAdapter], None],
    ] = {}

    def __init__(self, config: dict, ap: app.Application):
        self.config = config
        self.ap = ap

        self.quart_app = quart.Quart(__name__)

        self.message_converter = GewechatMessageConverter(config)
        self.event_converter = GewechatEventConverter(config)

        @self.quart_app.route('/gewechat/callback', methods=['POST'])
        async def gewechat_callback():
            data = await quart.request.json
            # print(json.dumps(data, indent=4, ensure_ascii=False))

            if 'data' in data:
                data['Data'] = data['data']
            if 'type_name' in data:
                data['TypeName'] = data['type_name']
            # print(json.dumps(data, indent=4, ensure_ascii=False))

            if 'testMsg' in data:
                return 'ok'
            elif 'TypeName' in data and data['TypeName'] == 'AddMsg':
                try:
                    event = await self.event_converter.target2yiri(
                        data.copy(), self.bot_account_id
                    )
                except Exception:
                    traceback.print_exc()

                if event.__class__ in self.listeners:
                    await self.listeners[event.__class__](event, self)

                return 'ok'

    async def send_message(
        self, target_type: str, target_id: str, message: platform_message.MessageChain
    ):
        geweap_msg = await self.message_converter.yiri2target(message)
        # 此处加上群消息at处理
        ats = [item['target'] for item in geweap_msg if item['type'] == 'at']

        for msg in geweap_msg:
            # at主动发送消息
            if msg['type'] == 'text':
                if ats:
                    member_info = self.bot.get_chatroom_member_detail(
                        self.config['app_id'], target_id, ats[::-1]
                    )['data']

                    for member in member_info:
                        msg['content'] = f'@{member["nickName"]} {msg["content"]}'
                self.bot.post_text(
                    app_id=self.config['app_id'],
                    to_wxid=target_id,
                    content=msg['content'],
                    ats=','.join(ats),
                )

            elif msg['type'] == 'image':
                self.bot.post_image(
                    app_id=self.config['app_id'],
                    to_wxid=target_id,
                    img_url=msg['image'],
                )

    async def reply_message(
        self,
        message_source: platform_events.MessageEvent,
        message: platform_message.MessageChain,
        quote_origin: bool = False,
    ):
        content_list = await self.message_converter.yiri2target(message)

        ats = [item['target'] for item in content_list if item['type'] == 'at']

        for msg in content_list:
            if msg['type'] == 'text':
                if ats:
                    member_info = self.bot.get_chatroom_member_detail(
                        self.config['app_id'],
                        message_source.source_platform_object['Data']['FromUserName'][
                            'string'
                        ],
                        ats[::-1],
                    )['data']

                    for member in member_info:
                        msg['content'] = f'@{member["nickName"]} {msg["content"]}'

                self.bot.post_text(
                    app_id=self.config['app_id'],
                    to_wxid=message_source.source_platform_object['Data'][
                        'FromUserName'
                    ]['string'],
                    content=msg['content'],
                    ats=','.join(ats),
                )

    async def is_muted(self, group_id: int) -> bool:
        pass

    def register_listener(
        self,
        event_type: typing.Type[platform_events.Event],
        callback: typing.Callable[
            [platform_events.Event, adapter.MessagePlatformAdapter], None
        ],
    ):
        self.listeners[event_type] = callback

    def unregister_listener(
        self,
        event_type: typing.Type[platform_events.Event],
        callback: typing.Callable[
            [platform_events.Event, adapter.MessagePlatformAdapter], None
        ],
    ):
        pass

    async def run_async(self):
        if not self.config['token']:
            async with aiohttp.ClientSession() as session:
                async with session.post(
                    f'{self.config["gewechat_url"]}/v2/api/tools/getTokenId',
                    json={'app_id': self.config['app_id']},
                ) as response:
                    if response.status != 200:
                        raise Exception(
                            f'获取gewechat token失败: {await response.text()}'
                        )
                    self.config['token'] = (await response.json())['data']

        self.bot = gewechat_client.GewechatClient(
            f'{self.config["gewechat_url"]}/v2/api', self.config['token']
        )

        app_id, error_msg = self.bot.login(self.config['app_id'])
        if error_msg:
            raise Exception(f'Gewechat 登录失败: {error_msg}')

        self.config['app_id'] = app_id

        self.ap.logger.info(f'Gewechat 登录成功，app_id: {app_id}')

        await self.ap.platform_mgr.write_back_config('gewechat', self, self.config)

        # 获取 nickname
        profile = self.bot.get_profile(self.config['app_id'])
        self.bot_account_id = profile['data']['nickName']

        def thread_set_callback():
            time.sleep(3)
            ret = self.bot.set_callback(
                self.config['token'], self.config['callback_url']
            )
            print('设置 Gewechat 回调：', ret)

        threading.Thread(target=thread_set_callback).start()

        async def shutdown_trigger_placeholder():
            while True:
                await asyncio.sleep(1)

        await self.quart_app.run_task(
            host='0.0.0.0',
            port=self.config['port'],
            shutdown_trigger=shutdown_trigger_placeholder,
        )

    async def kill(self) -> bool:
        pass
