"""Bootstrap first admin user from environment (optional alternative to UI registration)."""

from __future__ import annotations

import os

from services.registration import provision_system_admin, user_count


def _env(name: str) -> str:
    return os.getenv(name, "").strip()


def bootstrap_admin_if_needed() -> None:
    if _env("SKIP_BOOTSTRAP").lower() in ("1", "true", "yes"):
        return

    email = _env("KAIRO_BOOTSTRAP_ADMIN_EMAIL")
    password = _env("KAIRO_BOOTSTRAP_ADMIN_PASSWORD")
    if not email or not password:
        return

    if user_count() > 0:
        return

    tenant_slug = _env("KAIRO_BOOTSTRAP_TENANT_SLUG") or "default"
    tenant_name = _env("KAIRO_BOOTSTRAP_TENANT_NAME") or "Default Tenant"
    display_name = _env("KAIRO_BOOTSTRAP_ADMIN_NAME") or "Kairo Admin"

    provision_system_admin(
        email=email,
        password=password,
        display_name=display_name,
        tenant_slug=tenant_slug,
        tenant_name=tenant_name,
        source="env_bootstrap",
    )
    print(f"[bootstrap] Systemadmin und Tenant '{tenant_slug}' angelegt")