"""
会会接口对接服务
基于 http://192.168.1.200:63120/doc.html 接口文档
"""
import httpx
import logging
from typing import Optional, Dict, Any, List
from datetime import datetime

from app.core.config import settings

logger = logging.getLogger(__name__)


class HuihuiAPIService:
    """会会 API 服务类"""
    
    def __init__(self):
        self.base_url = settings.HUIHUI_API_BASE
        self.timeout = 30  # 秒
        self._session_cache: Dict[str, httpx.AsyncClient] = {}
    
    def _get_client(self, session_token: Optional[str] = None) -> httpx.AsyncClient:
        """获取 HTTP 客户端"""
        headers = {
            "Content-Type": "application/json",
            "Accept": "application/json",
        }
        
        if session_token:
            headers["Authorization"] = f"Bearer {session_token}"
        
        return httpx.AsyncClient(
            base_url=self.base_url,
            headers=headers,
            timeout=self.timeout,
        )
    
    async def login(self, username: str, password: str) -> Optional[Dict[str, Any]]:
        """
        用户登录
        :param username: 用户名
        :param password: 密码
        :return: 登录响应（包含 session token）
        """
        try:
            async with self._get_client() as client:
                response = await client.post(
                    "/api/login",  # 实际接口路径需根据 doc.html 调整
                    json={"username": username, "password": password}
                )
                
                if response.status_code == 200:
                    data = response.json()
                    logger.info(f"Login success for user: {username}")
                    return data
                else:
                    logger.error(f"Login failed: {response.status_code} - {response.text}")
                    return None
        except Exception as e:
            logger.error(f"Login error: {e}")
            return None
    
    async def get_news_list(
        self,
        page: int = 1,
        page_size: int = 20,
        category: Optional[str] = None
    ) -> Optional[List[Dict[str, Any]]]:
        """
        获取新闻列表
        :param page: 页码
        :param page_size: 每页数量
        :param category: 分类（可选）
        :return: 新闻列表
        """
        try:
            async with self._get_client() as client:
                params = {"page": page, "pageSize": page_size}
                if category:
                    params["category"] = category
                
                response = await client.get(
                    "/api/news/list",  # 实际接口路径需根据 doc.html 调整
                    params=params
                )
                
                if response.status_code == 200:
                    data = response.json()
                    return data.get("data", [])
                else:
                    logger.error(f"Get news list failed: {response.status_code}")
                    return None
        except Exception as e:
            logger.error(f"Get news list error: {e}")
            return None
    
    async def get_news_detail(self, news_id: str) -> Optional[Dict[str, Any]]:
        """
        获取新闻详情
        :param news_id: 新闻 ID
        :return: 新闻详情
        """
        try:
            async with self._get_client() as client:
                response = await client.get(f"/api/news/{news_id}")
                
                if response.status_code == 200:
                    data = response.json()
                    return data.get("data")
                else:
                    logger.error(f"Get news detail failed: {response.status_code}")
                    return None
        except Exception as e:
            logger.error(f"Get news detail error: {e}")
            return None
    
    async def create_comment(
        self,
        news_id: str,
        content: str,
        session_token: str
    ) -> Optional[Dict[str, Any]]:
        """
        创建评论
        :param news_id: 新闻 ID
        :param content: 评论内容
        :param session_token: 会话 Token
        :return: 评论结果
        """
        try:
            async with self._get_client(session_token) as client:
                response = await client.post(
                    "/api/comment/create",  # 实际接口路径需根据 doc.html 调整
                    json={"newsId": news_id, "content": content}
                )
                
                if response.status_code == 200:
                    data = response.json()
                    logger.info(f"Comment created for news: {news_id}")
                    return data
                else:
                    logger.error(f"Create comment failed: {response.status_code} - {response.text}")
                    return None
        except Exception as e:
            logger.error(f"Create comment error: {e}")
            return None
    
    async def create_reply(
        self,
        comment_id: str,
        content: str,
        session_token: str
    ) -> Optional[Dict[str, Any]]:
        """
        创建回复
        :param comment_id: 评论 ID
        :param content: 回复内容
        :param session_token: 会话 Token
        :return: 回复结果
        """
        try:
            async with self._get_client(session_token) as client:
                response = await client.post(
                    "/api/reply/create",  # 实际接口路径需根据 doc.html 调整
                    json={"commentId": comment_id, "content": content}
                )
                
                if response.status_code == 200:
                    data = response.json()
                    logger.info(f"Reply created for comment: {comment_id}")
                    return data
                else:
                    logger.error(f"Create reply failed: {response.status_code}")
                    return None
        except Exception as e:
            logger.error(f"Create reply error: {e}")
            return None
    
    async def like_comment(
        self,
        comment_id: str,
        session_token: str
    ) -> Optional[Dict[str, Any]]:
        """
        点赞评论
        :param comment_id: 评论 ID
        :param session_token: 会话 Token
        :return: 点赞结果
        """
        try:
            async with self._get_client(session_token) as client:
                response = await client.post(f"/api/comment/{comment_id}/like")
                
                if response.status_code == 200:
                    data = response.json()
                    logger.info(f"Comment liked: {comment_id}")
                    return data
                else:
                    logger.error(f"Like comment failed: {response.status_code}")
                    return None
        except Exception as e:
            logger.error(f"Like comment error: {e}")
            return None
    
    async def favorite_news(
        self,
        news_id: str,
        session_token: str
    ) -> Optional[Dict[str, Any]]:
        """
        收藏新闻
        :param news_id: 新闻 ID
        :param session_token: 会话 Token
        :return: 收藏结果
        """
        try:
            async with self._get_client(session_token) as client:
                response = await client.post(f"/api/news/{news_id}/favorite")
                
                if response.status_code == 200:
                    data = response.json()
                    logger.info(f"News favorited: {news_id}")
                    return data
                else:
                    logger.error(f"Favorite news failed: {response.status_code}")
                    return None
        except Exception as e:
            logger.error(f"Favorite news error: {e}")
            return None
    
    async def share_news(
        self,
        news_id: str,
        session_token: str
    ) -> Optional[Dict[str, Any]]:
        """
        转发新闻
        :param news_id: 新闻 ID
        :param session_token: 会话 Token
        :return: 转发结果
        """
        try:
            async with self._get_client(session_token) as client:
                response = await client.post(f"/api/news/{news_id}/share")
                
                if response.status_code == 200:
                    data = response.json()
                    logger.info(f"News shared: {news_id}")
                    return data
                else:
                    logger.error(f"Share news failed: {response.status_code}")
                    return None
        except Exception as e:
            logger.error(f"Share news error: {e}")
            return None
    
    async def get_comments(
        self,
        news_id: str,
        page: int = 1,
        page_size: int = 20
    ) -> Optional[List[Dict[str, Any]]]:
        """
        获取新闻评论列表
        :param news_id: 新闻 ID
        :param page: 页码
        :param page_size: 每页数量
        :return: 评论列表
        """
        try:
            async with self._get_client() as client:
                params = {"page": page, "pageSize": page_size}
                response = await client.get(
                    f"/api/news/{news_id}/comments",
                    params=params
                )
                
                if response.status_code == 200:
                    data = response.json()
                    return data.get("data", [])
                else:
                    logger.error(f"Get comments failed: {response.status_code}")
                    return None
        except Exception as e:
            logger.error(f"Get comments error: {e}")
            return None


# 创建全局服务实例
huihui_api_service = HuihuiAPIService()