#!/usr/bin/env python3
"""Pack release/ contents into uploadable zip (index.html at zip root)."""
from __future__ import annotations

import sys
import zipfile
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
TOOL = ROOT / "release"
OUT = ROOT / "dist" / "youmin-nav-xhs-tool.zip"


def main() -> int:
    out = Path(sys.argv[1]) if len(sys.argv) > 1 else OUT
    out.parent.mkdir(parents=True, exist_ok=True)
    if out.exists():
        out.unlink()

    files = sorted(p for p in TOOL.rglob("*") if p.is_file())
    if not files:
        print("release/ is empty — run: python scripts/assemble.py", file=sys.stderr)
        return 1

    with zipfile.ZipFile(out, "w", compression=zipfile.ZIP_DEFLATED) as zf:
        for p in files:
            zf.write(p, p.relative_to(TOOL).as_posix())

    print(f"packed {out} ({out.stat().st_size / 1024:.1f} KB) entries={len(files)}")
    return 0


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