"""
@author: luojunhui
"""

from tenacity import (
    retry,
    stop_after_attempt,
    wait_exponential,
    retry_if_exception_type,
)
from requests.exceptions import RequestException
import requests
import json
from typing import Optional, Dict

COMMON_RETRY = dict(
    stop=stop_after_attempt(3),  # 总共尝试3次
    wait=wait_exponential(min=2, max=30),
    retry=retry_if_exception_type((RequestException, TimeoutError)),
    reraise=True  # 重试耗尽后重新抛出异常
)


class WechatChannelAPI:
    """
    wechat channel api by gw
    """

    def __init__(self, base_url: str, token: str, app_id: str):
        self.base_url = base_url
        self.token = token
        self.app_id = app_id

    @retry(**COMMON_RETRY)
    def search(
            self,
            search_key: str,
            search_type: int,
            page: int = 0,
            cookie: str = "",
            search_id: str = "",
            offset: int = 0,
    ) -> Optional[Dict]:
        """
        搜索微信视频号内容（支持重试）

        :param search_key: 搜索关键字
        :param search_type: 搜索类型，1: 搜索所有视频，2: 搜索视频号账号
        :param page: 页码
        :param cookie: 登录后的cookie
        :param search_id: 搜索id
        :param offset: 偏移量
        :return: 返回搜索结果字典，失败时返回None
        """
        url = f"{self.base_url}/gewe/v2/api/finder/search"
        payload = {
            "appId": self.app_id,
            "proxyIp": "",
            "content": search_key,
            "category": search_type,
            "filter": 0,
            "page": page,
            "cookie": cookie,
            "searchId": search_id,
            "offset": offset,
        }
        headers = {"X-GEWE-TOKEN": self.token, "Content-Type": "application/json"}

        try:
            response = requests.post(url, headers=headers, json=payload, timeout=60)
            response.raise_for_status()
            return response.json()
        except RequestException as e:
            print(f"API请求失败: {e}")
        except json.JSONDecodeError as e:
            print(f"响应解析失败: {e}")
        return None

    @retry(**COMMON_RETRY)
    def get_channel_video_list(
            self, user_id: str, last_buffer: str = ""
    ) -> Optional[Dict]:
        """
        获取视频号账号的视频列表（支持重试）

        :param user_id: 视频号账号ID
        :param last_buffer: 分页标记，用于获取下一页数据
        :return: 返回视频列表字典，失败时返回None
        """
        url = f"{self.base_url}/gewe/v2/api/finder/userPage"
        payload = {
            "appId": self.app_id,
            "proxyIp": "",
            "lastBuffer": last_buffer,
            "toUserName": user_id,
            "maxId": 0,
        }
        headers = {"X-GEWE-TOKEN": self.token, "Content-Type": "application/json"}

        try:
            response = requests.post(url, headers=headers, json=payload, timeout=60)
            response.raise_for_status()
            return response.json()
        except RequestException as e:
            print(f"获取视频列表请求失败: {e}")
        except json.JSONDecodeError as e:
            print(f"响应解析失败: {e}")
        return None