"""HLS manifest proxy service (Phase 3.3).

Rewrites HLS manifests and proxies .ts segments so the browser treats
them as same-origin, enabling Web Audio API access to the audio track.
"""

import logging

logger = logging.getLogger(__name__)


class HLSProxyService:
    """Streams and rewrites HLS manifests; proxies .ts segments with zero re-encoding."""

    async def rewrite_manifest(self, upstream_url: str) -> bytes:
        """Fetch upstream HLS manifest and rewrite segment URLs to point to our proxy."""
        raise NotImplementedError("Phase 3.3 — manifest rewriting to be implemented")

    async def proxy_segment(self, upstream_url: str) -> bytes:
        """Proxy a single .ts segment from the upstream server."""
        raise NotImplementedError("Phase 3.3 — segment proxying to be implemented")