from contextlib import contextmanager
from pathlib import Path


@contextmanager
def local_backend():
    from django.conf import settings
    from issue_core.backends.local import LocalSQLiteBackend

    db_path = str(getattr(settings, 'ISSUE_FACADE_LOCAL_DB', '.issue-facade/issues.db'))
    Path(db_path).parent.mkdir(parents=True, exist_ok=True)

    b = LocalSQLiteBackend()
    b.connect({'db_path': db_path})
    try:
        yield b
    finally:
        b.disconnect()


@contextmanager
def remote_backend():
    """Yields GiteaBackend wenn konfiguriert, sonst None."""
    from django.conf import settings
    from issue_core.backends.gitea import GiteaBackend

    cfg = getattr(settings, 'ISSUE_FACADE_GITEA', None)
    if not cfg:
        yield None
        return

    b = GiteaBackend()
    b.connect(cfg)
    try:
        yield b
    finally:
        b.disconnect()


def gitea_configured() -> bool:
    from django.conf import settings
    cfg = getattr(settings, 'ISSUE_FACADE_GITEA', None)
    return bool(cfg and cfg.get('token'))