from __future__ import annotations

import json
import os
import logging
import asyncio
import traceback

from mirai import At, GroupMessage, MessageEvent, StrangerMessage, \
    FriendMessage, Image, MessageChain, Plain
import mirai
from ..platform import adapter as msadapter

from ..core import app, entities as core_entities
from ..plugin import events

# 控制QQ消息输入输出的类
class PlatformManager:
    
    # adapter: msadapter.MessageSourceAdapter = None
    adapters: list[msadapter.MessageSourceAdapter] = []

    # modern
    ap: app.Application = None

    def __init__(self, ap: app.Application = None):

        self.ap = ap
        self.adapters = []
    
    async def initialize(self):

        from .sources import yirimirai, nakuru, aiocqhttp, qqbotpy

        async def on_friend_message(event: FriendMessage, adapter: msadapter.MessageSourceAdapter):

            event_ctx = await self.ap.plugin_mgr.emit_event(
                event=events.PersonMessageReceived(
                    launcher_type='person',
                    launcher_id=event.sender.id,
                    sender_id=event.sender.id,
                    message_chain=event.message_chain,
                    query=None
                )
            )

            if not event_ctx.is_prevented_default():

                await self.ap.query_pool.add_query(
                    launcher_type=core_entities.LauncherTypes.PERSON,
                    launcher_id=event.sender.id,
                    sender_id=event.sender.id,
                    message_event=event,
                    message_chain=event.message_chain,
                    adapter=adapter
                )

        async def on_stranger_message(event: StrangerMessage, adapter: msadapter.MessageSourceAdapter):
            
            event_ctx = await self.ap.plugin_mgr.emit_event(
                event=events.PersonMessageReceived(
                    launcher_type='person',
                    launcher_id=event.sender.id,
                    sender_id=event.sender.id,
                    message_chain=event.message_chain,
                    query=None
                )
            )

            if not event_ctx.is_prevented_default():

                await self.ap.query_pool.add_query(
                    launcher_type=core_entities.LauncherTypes.PERSON,
                    launcher_id=event.sender.id,
                    sender_id=event.sender.id,
                    message_event=event,
                    message_chain=event.message_chain,
                    adapter=adapter
                )

        async def on_group_message(event: GroupMessage, adapter: msadapter.MessageSourceAdapter):

            event_ctx = await self.ap.plugin_mgr.emit_event(
                event=events.GroupMessageReceived(
                    launcher_type='person',
                    launcher_id=event.sender.id,
                    sender_id=event.sender.id,
                    message_chain=event.message_chain,
                    query=None
                )
            )

            if not event_ctx.is_prevented_default():

                await self.ap.query_pool.add_query(
                    launcher_type=core_entities.LauncherTypes.GROUP,
                    launcher_id=event.group.id,
                    sender_id=event.sender.id,
                    message_event=event,
                    message_chain=event.message_chain,
                    adapter=adapter
                )
        
        index = 0

        for adap_cfg in self.ap.platform_cfg.data['platform-adapters']:
            if adap_cfg['enable']:
                self.ap.logger.info(f'初始化平台适配器 {index}: {adap_cfg["adapter"]}')
                index += 1
                cfg_copy = adap_cfg.copy()
                del cfg_copy['enable']
                adapter_name = cfg_copy['adapter']
                del cfg_copy['adapter']

                found = False

                for adapter in msadapter.preregistered_adapters:
                    if adapter.name == adapter_name:
                        found = True
                        adapter_cls = adapter
                        
                        adapter_inst = adapter_cls(
                            cfg_copy,
                            self.ap
                        )
                        self.adapters.append(adapter_inst)

                        if adapter_name == 'yiri-mirai':
                            adapter_inst.register_listener(
                                StrangerMessage,
                                on_stranger_message
                            )

                        adapter_inst.register_listener(
                            FriendMessage,
                            on_friend_message
                        )
                        adapter_inst.register_listener(
                            GroupMessage,
                            on_group_message
                        )
                
                if not found:
                    raise Exception('platform.json 中启用了未知的平台适配器: ' + adapter_name)

    async def send(self, event, msg, adapter: msadapter.MessageSourceAdapter, check_quote=True, check_at_sender=True):
        
        if check_at_sender and self.ap.platform_cfg.data['at-sender'] and isinstance(event, GroupMessage):

            msg.insert(
                0,
                At(
                    event.sender.id
                )
            )

        await adapter.reply_message(
            event,
            msg,
            quote_origin=True if self.ap.platform_cfg.data['quote-origin'] and check_quote else False
        )

    # 通知系统管理员
    # TODO delete
    # async def notify_admin(self, message: str):
    #     await self.notify_admin_message_chain(MessageChain([Plain("[bot]{}".format(message))]))

    # async def notify_admin_message_chain(self, message: mirai.MessageChain):
    #     if self.ap.system_cfg.data['admin-sessions'] != []:

    #         admin_list = []
    #         for admin in self.ap.system_cfg.data['admin-sessions']:
    #             admin_list.append(admin)
            
    #         for adm in admin_list:
    #             self.adapter.send_message(
    #                 adm.split("_")[0],
    #                 adm.split("_")[1],
    #                 message
    #             )

    async def run(self):
        try:
            tasks = []
            for adapter in self.adapters:
                async def exception_wrapper(adapter):
                    try:
                        await adapter.run_async()
                    except Exception as e:
                        self.ap.logger.error('平台适配器运行出错: ' + str(e))
                        self.ap.logger.debug(f"Traceback: {traceback.format_exc()}")

                tasks.append(exception_wrapper(adapter))
            
            for task in tasks:
                asyncio.create_task(task)

        except Exception as e:
            self.ap.logger.error('平台适配器运行出错: ' + str(e))
            self.ap.logger.debug(f"Traceback: {traceback.format_exc()}")