"""Public surface of ``infrasynth.tenancy``.

The exports are resolved lazily (PEP 562) so importing this package never
triggers Django model imports before the app registry is ready. Import from
here::

    from infrasynth.tenancy import TenantService, TenantManager, current_tenant
"""

from __future__ import annotations

from importlib import import_module
from typing import Any

__all__ = [
    "AllObjectsManager",
    "GlobalOrTenantManager",
    "GlobalOrTenantModel",
    "PlatformStaff",
    "Tenant",
    "TenantInvitation",
    "TenantManager",
    "TenantMembership",
    "TenantMiddleware",
    "TenantOwnedModel",
    "TenantService",
    "current_tenant",
    "get_current_tenant",
    "reset_current_tenant",
    "set_current_tenant",
    "tenant_context",
]

# public name -> module (relative to the ``infrasynth`` package) that defines it
_EXPORTS: dict[str, str] = {
    "AllObjectsManager": "tenancy.managers",
    "GlobalOrTenantManager": "tenancy.managers",
    "GlobalOrTenantModel": "tenancy.mixins",
    "PlatformStaff": "tenancy.models",
    "Tenant": "tenancy.models",
    "TenantInvitation": "tenancy.models",
    "TenantManager": "tenancy.managers",
    "TenantMembership": "tenancy.models",
    "TenantMiddleware": "tenancy.middleware",
    "TenantOwnedModel": "tenancy.mixins",
    "TenantService": "tenancy.services",
    "current_tenant": "tenancy.context",
    "get_current_tenant": "tenancy.context",
    "reset_current_tenant": "tenancy.context",
    "set_current_tenant": "tenancy.context",
    "tenant_context": "tenancy.context",
}


def __getattr__(name: str) -> Any:
    module_path = _EXPORTS.get(name)
    if module_path is not None:
        return getattr(import_module(f"infrasynth.{module_path}"), name)
    # Let ``infrasynth.<app>.<submodule>`` resolve as usual.
    try:
        return import_module(f"{__name__}.{name}")
    except ModuleNotFoundError as exc:
        raise AttributeError(f"module {__name__!r} has no attribute {name!r}") from exc


def __dir__() -> list[str]:
    return sorted(set(__all__) | set(globals()))