from __future__ import annotations
import typing
import asyncio
import traceback
import time
import datetime

import aiocqhttp
import aiohttp

from .. import adapter
from ...pipeline.longtext.strategies import forward
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

class AiocqhttpMessageConverter(adapter.MessageConverter):

    @staticmethod
    async def yiri2target(message_chain: platform_message.MessageChain) -> typing.Tuple[list, int, datetime.datetime]:
        msg_list = aiocqhttp.Message()

        msg_id = 0
        msg_time = None

        for msg in message_chain:
            if type(msg) is platform_message.Plain:
                msg_list.append(aiocqhttp.MessageSegment.text(msg.text))
            elif type(msg) is platform_message.Source:
                msg_id = msg.id
                msg_time = msg.time
            elif type(msg) is platform_message.Image:
                arg = ''
                if msg.base64:
                    arg = msg.base64
                    msg_list.append(aiocqhttp.MessageSegment.image(f"base64://{arg}"))
                elif msg.url:
                    arg = msg.url
                    msg_list.append(aiocqhttp.MessageSegment.image(arg))
                elif msg.path:
                    arg = msg.path
                    msg_list.append(aiocqhttp.MessageSegment.image(arg))
            elif type(msg) is platform_message.At:
                msg_list.append(aiocqhttp.MessageSegment.at(msg.target))
            elif type(msg) is platform_message.AtAll:
                msg_list.append(aiocqhttp.MessageSegment.at("all"))
            elif type(msg) is platform_message.Voice:
                arg = ''
                if msg.base64:
                    arg = msg.base64
                    msg_list.append(aiocqhttp.MessageSegment.record(f"base64://{arg}"))
                elif msg.url:
                    arg = msg.url
                    msg_list.append(aiocqhttp.MessageSegment.record(arg))
                elif msg.path:
                    arg = msg.path
                    msg_list.append(aiocqhttp.MessageSegment.record(msg.path))
            elif type(msg) is forward.Forward:

                for node in msg.node_list:
                    msg_list.extend((await AiocqhttpMessageConverter.yiri2target(node.message_chain))[0])
                
            else:
                msg_list.append(aiocqhttp.MessageSegment.text(str(msg)))

        return msg_list, msg_id, msg_time

    @staticmethod
    async def target2yiri(message: str, message_id: int = -1):
        message = aiocqhttp.Message(message)

        yiri_msg_list = []

        yiri_msg_list.append(
            platform_message.Source(id=message_id, time=datetime.datetime.now())
        )

        for msg in message:
            if msg.type == "at":
                if msg.data["qq"] == "all":
                    yiri_msg_list.append(platform_message.AtAll())
                else:
                    yiri_msg_list.append(
                        platform_message.At(
                            target=msg.data["qq"],
                        )
                    )
            elif msg.type == "text":
                yiri_msg_list.append(platform_message.Plain(text=msg.data["text"]))
            elif msg.type == "image":
                image_base64, image_format = await image.qq_image_url_to_base64(msg.data['url'])
                yiri_msg_list.append(platform_message.Image(base64=f"data:image/{image_format};base64,{image_base64}"))

        chain = platform_message.MessageChain(yiri_msg_list)

        return chain


class AiocqhttpEventConverter(adapter.EventConverter):

    @staticmethod
    async def yiri2target(event: platform_events.Event, bot_account_id: int):

        msg, msg_id, msg_time = await AiocqhttpMessageConverter.yiri2target(event.message_chain)

        if type(event) is platform_events.GroupMessage:
            role = "member"

            if event.sender.permission == "ADMINISTRATOR":
                role = "admin"
            elif event.sender.permission == "OWNER":
                role = "owner"

            payload = {
                "post_type": "message",
                "message_type": "group",
                "time": int(msg_time.timestamp()),
                "self_id": bot_account_id,
                "sub_type": "normal",
                "anonymous": None,
                "font": 0,
                "message": str(msg),
                "raw_message": str(msg),
                "sender": {
                    "age": 0,
                    "area": "",
                    "card": "",
                    "level": "",
                    "nickname": event.sender.member_name,
                    "role": role,
                    "sex": "unknown",
                    "title": "",
                    "user_id": event.sender.id,
                },
                "user_id": event.sender.id,
                "message_id": msg_id,
                "group_id": event.group.id,
                "message_seq": 0,
            }

            return aiocqhttp.Event.from_payload(payload)
        elif type(event) is platform_events.FriendMessage:

            payload = {
                "post_type": "message",
                "message_type": "private",
                "time": int(msg_time.timestamp()),
                "self_id": bot_account_id,
                "sub_type": "friend",
                "target_id": bot_account_id,
                "message": str(msg),
                "raw_message": str(msg),
                "font": 0,
                "sender": {
                    "age": 0,
                    "nickname": event.sender.nickname,
                    "sex": "unknown",
                    "user_id": event.sender.id,
                },
                "message_id": msg_id,
                "user_id": event.sender.id,
            }
            
            return aiocqhttp.Event.from_payload(payload)

    @staticmethod
    async def target2yiri(event: aiocqhttp.Event):
        yiri_chain = await AiocqhttpMessageConverter.target2yiri(
            event.message, event.message_id
        )

        if event.message_type == "group":
            permission = "MEMBER"

            if "role" in event.sender:
                if event.sender["role"] == "admin":
                    permission = "ADMINISTRATOR"
                elif event.sender["role"] == "owner":
                    permission = "OWNER"
            converted_event = platform_events.GroupMessage(
                sender=platform_entities.GroupMember(
                    id=event.sender["user_id"],  # message_seq 放哪？
                    member_name=event.sender["nickname"],
                    permission=permission,
                    group=platform_entities.Group(
                        id=event.group_id,
                        name=event.sender["nickname"],
                        permission=platform_entities.Permission.Member,
                    ),
                    special_title=event.sender["title"] if "title" in event.sender else "",
                    join_timestamp=0,
                    last_speak_timestamp=0,
                    mute_time_remaining=0,
                ),
                message_chain=yiri_chain,
                time=event.time,
            )
            return converted_event
        elif event.message_type == "private":
            return platform_events.FriendMessage(
                sender=platform_entities.Friend(
                    id=event.sender["user_id"],
                    nickname=event.sender["nickname"],
                    remark="",
                ),
                message_chain=yiri_chain,
                time=event.time,
            )


class AiocqhttpAdapter(adapter.MessagePlatformAdapter):

    bot: aiocqhttp.CQHttp

    bot_account_id: int

    message_converter: AiocqhttpMessageConverter = AiocqhttpMessageConverter()
    event_converter: AiocqhttpEventConverter = AiocqhttpEventConverter()

    config: dict

    ap: app.Application

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

        async def shutdown_trigger_placeholder():
            while True:
                await asyncio.sleep(1)
        
        self.config['shutdown_trigger'] = shutdown_trigger_placeholder

        self.ap = ap

        if "access-token" in config:
            self.bot = aiocqhttp.CQHttp(access_token=config["access-token"])
            del self.config["access-token"]
        else:
            self.bot = aiocqhttp.CQHttp()

    async def send_message(
        self, target_type: str, target_id: str, message: platform_message.MessageChain
    ):
        aiocq_msg = (await AiocqhttpMessageConverter.yiri2target(message))[0]

        if target_type == "group":
            await self.bot.send_group_msg(group_id=int(target_id), message=aiocq_msg)
        elif target_type == "person":
            await self.bot.send_private_msg(user_id=int(target_id), message=aiocq_msg)

    async def reply_message(
        self,
        message_source: platform_events.MessageEvent,
        message: platform_message.MessageChain,
        quote_origin: bool = False,
    ):  
        aiocq_event = await AiocqhttpEventConverter.yiri2target(message_source, self.bot_account_id)
        aiocq_msg = (await AiocqhttpMessageConverter.yiri2target(message))[0]
        if quote_origin:
            aiocq_msg = aiocqhttp.MessageSegment.reply(aiocq_event.message_id) + aiocq_msg

        return await self.bot.send(
            aiocq_event,
            aiocq_msg
        )

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

    def register_listener(
        self,
        event_type: typing.Type[platform_events.Event],
        callback: typing.Callable[[platform_events.Event, adapter.MessagePlatformAdapter], None],
    ):
        async def on_message(event: aiocqhttp.Event):
            self.bot_account_id = event.self_id
            try:
                return await callback(await self.event_converter.target2yiri(event), self)
            except:
                traceback.print_exc()

        if event_type == platform_events.GroupMessage:
            self.bot.on_message("group")(on_message)
        elif event_type == platform_events.FriendMessage:
            self.bot.on_message("private")(on_message)

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

    async def run_async(self):
        await self.bot._server_app.run_task(**self.config)

    async def kill(self) -> bool:
        return False