#!/usr/bin/env python3
"""Inspect pinned-version Thunderstore ZIP, stage just the plugin DLL, no traversal."""
import hashlib
import sys
import zipfile
from pathlib import Path

archive, output = Path(sys.argv[1]), Path(sys.argv[2])
with zipfile.ZipFile(archive) as z:
    names = [name for name in z.namelist() if name.replace('\\', '/').endswith('plugins/ValheimWebMap/ValheimWebMap.dll')]
    if len(names) != 1:
        raise SystemExit(f"Expected exactly one plugins/ValheimWebMap/ValheimWebMap.dll; found {len(names)}")
    info = z.getinfo(names[0])
    if info.file_size <= 0 or info.file_size > 10 * 1024 * 1024:
        raise SystemExit("Unexpected DLL size")
    data = z.read(info)
    if not data.startswith(b'MZ'):
        raise SystemExit("Invalid DLL/PE header")
output.parent.mkdir(parents=True, exist_ok=True)
output.write_bytes(data)
print(hashlib.sha256(data).hexdigest())