"""Stealth-focused extractor implementation."""
from typing import Any, Dict, Optional

import botright
from fake_useragent import UserAgent
from loguru import logger

from .base import BaseExtractor


class StealthExtractor(BaseExtractor):
    """Stealth-focused extractor using Botright."""
    
    def __init__(
        self,
        retries: int = 3,
        timeout: int = 30,
        proxy: Optional[str] = None,
        headers: Optional[Dict[str, str]] = None
    ):
        """Initialize the stealth extractor.
        
        Args:
            retries: Number of retry attempts
            timeout: Request timeout in seconds
            proxy: Optional proxy URL
            headers: Optional custom headers
        """
        super().__init__(retries=retries, timeout=timeout, proxy=proxy, headers=headers)
        self.ua = UserAgent()
        self.client = None
        
    async def setup(self):
        """Set up Botright client."""
        if not self.client:
            self.client = await botright.Botright()
        
    async def extract(self, url: str) -> Dict[str, Any]:
        """Extract data stealthily from a URL.
        
        Args:
            url: Target URL
            
        Returns:
            Dict containing extracted data
        """
        if not self._validate_url(url):
            raise ValueError(f"Invalid URL: {url}")
            
        await self.setup()
        
        bot = await self.client.new_bot()
        page = await bot.new_page()
        
        try:
            await page.goto(url, timeout=self.timeout * 1000)
            
            # Extract basic metadata
            title = await page.title()
            content = await page.content()
            
            return {
                "url": url,
                "title": title,
                "content_length": len(content),
                "headers": dict(await page.request.all_headers())
            }
            
        finally:
            await page.close()
            
    async def close(self):
        """Clean up resources."""
        if self.client:
            await self.client.close()