from typing import List

from core.config import Config
from core.exceptions import ProxyFetchError

from .fetch_manager import FetchManager


class ProxyPool:
    def __init__(self, config: Config, fetch_manager: FetchManager):
        self.config = config
        self.fetch_manager = fetch_manager
        
    async def batch_get(self, num: int) -> List[str]:
        """获取num个代理"""
        # 临时代理
        return ['c44f8c35c8455936c137:78842e9932e456b8@gw.dataimpulse.com:823'] * num

        try:
            response = await self.fetch_manager.request(
                'GET',
                self.config.proxy_config.api_url.format(num=num)
            )
            
            if 'error' in response:
                raise ProxyFetchError(response['error'])
                
            # 这里需要根据实际的代理API返回格式进行解析
            proxies = self._parse_proxies(response['body'])
            return proxies[:num]
            
        except Exception as e:
            raise ProxyFetchError(f"Failed to fetch proxies: {str(e)}")
    
    def _parse_proxies(self, response_body: str) -> List[str]:
        """解析代理API返回的数据"""
        # 需要根据实际API返回格式实现
        ...