#!/usr/bin/env python3
"""Delete one channel's web/<id>/ tree; leave shared sync/ and lab_seeds.json intact."""

from __future__ import annotations

import argparse
import json
import shutil
import sys
from pathlib import Path

from _channel_patch import validate_channel_id
from _common import ARTIFACTS_ROOT

RESULT_MARKER = "CORUNA_BUILD_RESULT "


def main() -> int:
    parser = argparse.ArgumentParser(description="Remove web/<channel-id>/ from artifact root")
    parser.add_argument("--channel-id", required=True)
    parser.add_argument(
        "--artifact-root",
        type=Path,
        default=ARTIFACTS_ROOT,
        help=f"shared artifact root (default: {ARTIFACTS_ROOT})",
    )
    args = parser.parse_args()

    channel = validate_channel_id(args.channel_id)
    artifact_root = args.artifact_root.resolve()
    web_dir = artifact_root / "web" / channel
    removed = False
    if web_dir.is_dir():
        shutil.rmtree(web_dir)
        removed = True
        print(f"removed {web_dir}")
    else:
        print(f"missing {web_dir} (noop)")

    result = {
        "status": "deleted" if removed else "absent",
        "channel_id": channel,
        "artifact_root": str(artifact_root),
        "removed": removed,
    }
    print(RESULT_MARKER + json.dumps(result, separators=(",", ":")), flush=True)
    return 0


if __name__ == "__main__":
    raise SystemExit(main())