#!/usr/bin/env python3
"""Standalone entrypoint for fake container Docker image over stdin/stdout."""

import asyncio
import os
import sys

# Ensure backend package is importable if running locally
sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), "../..")))

from backend.dev.fake_peer import ScriptedContainerPeer


async def main():
    loop = asyncio.get_running_loop()
    reader = asyncio.StreamReader()
    protocol = asyncio.StreamReaderProtocol(reader)
    await loop.connect_read_pipe(lambda: protocol, sys.stdin)

    w_transport, w_protocol = await loop.connect_write_pipe(
        asyncio.streams.FlowControlMixin, sys.stdout
    )
    writer = asyncio.StreamWriter(w_transport, w_protocol, reader, loop)

    scenario = os.getenv("FAKE_PEER_SCENARIO", "standard")
    peer = ScriptedContainerPeer(scenario=scenario)
    await peer.run(reader, writer)


if __name__ == "__main__":
    asyncio.run(main())