"""Hash authored addon files, excluding generated Workbench/build state.

Keep this shared by native evidence archival and release qualification. Unknown
resource formats are included automatically, rather than silently omitted.
"""
import hashlib
from pathlib import Path

GENERATED_DIRECTORIES = {'.build', '.local', '__pycache__', 'profiles'}

def addon_manifest(root):
    root = Path(root).resolve()
    addons = root / 'addons'
    if not addons.is_dir() or addons.is_symlink():
        raise ValueError('addons must be a real directory inside the repository')
    manifest = {}
    for path in sorted(addons.rglob('*')):
        relative = path.relative_to(root)
        if any(part in GENERATED_DIRECTORIES for part in relative.parts[1:]):
            continue
        if (len(relative.parts) == 3 and path.name.startswith('resourceDatabase.rdb')) or path.suffix in {'.pak', '.log'}:
            continue
        if path.is_symlink():
            raise ValueError(f'addon source/resource symlink is not supported: {relative.as_posix()}')
        if path.is_file():
            manifest[relative.as_posix()] = hashlib.sha256(path.read_bytes()).hexdigest()
    if not manifest:
        raise ValueError('addon source/resource manifest is empty')
    return manifest