from __future__ import annotations

from typing import Any

import httpx

from yuxi.channels.models import DeliveryResult
from yuxi.utils.logging_config import logger

from .wecom.client import WeComClient


class WeChatGroupAdmin:
    async def get_channel_info(
        self, client: WeComClient, http_client: httpx.AsyncClient, chat_id: str
    ) -> dict[str, Any]:
        try:
            token = await client.get_access_token()
            url = "https://qyapi.weixin.qq.com/cgi-bin/appchat/get"
            params = {"access_token": token, "chatid": chat_id}
            resp = await http_client.get(url, params=params)
            data = resp.json()
            if data.get("errcode") == 0:
                return data.get("chat_info", {})
        except Exception as e:
            logger.warning(f"[WeChat/GroupAdmin] get_channel_info failed: {e}")
        return {}

    async def rename_group(
        self, client: WeComClient, http_client: httpx.AsyncClient, chat_id: str, name: str
    ) -> DeliveryResult:
        try:
            token = await client.get_access_token()
            url = "https://qyapi.weixin.qq.com/cgi-bin/appchat/update"
            payload = {"chatid": chat_id, "name": name}
            resp = await http_client.post(url, params={"access_token": token}, json=payload)
            data = resp.json()
            if data.get("errcode") == 0:
                return DeliveryResult(success=True)
            return DeliveryResult(success=False, error=data.get("errmsg", "Unknown"))
        except Exception as e:
            return DeliveryResult(success=False, error=str(e))

    async def set_group_icon(
        self, client: WeComClient, http_client: httpx.AsyncClient, chat_id: str, image_data: bytes
    ) -> DeliveryResult:
        return DeliveryResult(success=False, error="WeCom API does not support group icon")

    async def add_participant(
        self, client: WeComClient, http_client: httpx.AsyncClient, chat_id: str, user_id: str
    ) -> DeliveryResult:
        try:
            token = await client.get_access_token()
            url = "https://qyapi.weixin.qq.com/cgi-bin/appchat/update"
            current = await self.get_channel_info(client, http_client, chat_id)
            userlist = list(current.get("userlist", []))
            if user_id not in userlist:
                userlist.append(user_id)
            payload = {"chatid": chat_id, "add_user_list": [user_id]}
            resp = await http_client.post(url, params={"access_token": token}, json=payload)
            data = resp.json()
            if data.get("errcode") == 0:
                return DeliveryResult(success=True)
            return DeliveryResult(success=False, error=data.get("errmsg", "Unknown"))
        except Exception as e:
            return DeliveryResult(success=False, error=str(e))

    async def remove_participant(
        self, client: WeComClient, http_client: httpx.AsyncClient, chat_id: str, user_id: str
    ) -> DeliveryResult:
        try:
            token = await client.get_access_token()
            url = "https://qyapi.weixin.qq.com/cgi-bin/appchat/update"
            payload = {"chatid": chat_id, "del_user_list": [user_id]}
            resp = await http_client.post(url, params={"access_token": token}, json=payload)
            data = resp.json()
            if data.get("errcode") == 0:
                return DeliveryResult(success=True)
            return DeliveryResult(success=False, error=data.get("errmsg", "Unknown"))
        except Exception as e:
            return DeliveryResult(success=False, error=str(e))

    async def leave_group(self, client: WeComClient, http_client: httpx.AsyncClient, chat_id: str) -> DeliveryResult:
        return DeliveryResult(success=False, error="WeCom does not support leave group via API")

    async def list_members(
        self, client: WeComClient, http_client: httpx.AsyncClient, chat_id: str
    ) -> list[dict[str, Any]]:
        info = await self.get_channel_info(client, http_client, chat_id)
        userlist = info.get("userlist", [])
        return [{"user_id": uid} for uid in userlist]