import logging

import httpx

logger = logging.getLogger(__name__)


def validate_stream(stream_url: str, stream_type: str) -> bool:
    """Validate that a stream URL is accessible and returns expected content."""
    try:
        if stream_type == "hls":
            response = httpx.get(stream_url, timeout=10, follow_redirects=True)
            if response.status_code != 200:
                logger.warning(
                    "HLS playlist returned status %d for %s",
                    response.status_code,
                    stream_url,
                )
                return False

            content = response.text
            if ".m3u8" not in content and "#EXTM3U" not in content:
                logger.warning("HLS playlist does not contain expected m3u8 content")
                return False

            logger.info("HLS stream validated: %s", stream_url)
            return True

        elif stream_type == "direct":
            response = httpx.head(stream_url, timeout=10, follow_redirects=True)
            if response.status_code not in (200, 206):
                logger.warning(
                    "Direct stream returned status %d for %s",
                    response.status_code,
                    stream_url,
                )
                return False

            content_type = response.headers.get("content-type", "")
            if not content_type:
                logger.warning("No content-type header for direct stream")
                return False

            logger.info(
                "Direct stream validated: %s (type: %s)", stream_url, content_type
            )
            return True

        return False

    except httpx.TimeoutException:
        logger.error("Timeout validating stream: %s", stream_url)
        return False
    except httpx.RequestError as e:
        logger.error("Error validating stream %s: %s", stream_url, e)
        return False