"""Shared pytest fixtures — Integrationstests benötigen PostgreSQL.

Lokal typischerweise nicht verfügbar: Tests laufen nach Push auf develop/main
im Backend-Container auf dem Pi (Gitea workflow test.yml).
"""

from __future__ import annotations

import os

import pytest

os.environ.setdefault("SKIP_DB_MIGRATE", "1")
os.environ.setdefault("SKIP_SEEDS", "1")
os.environ.setdefault("SKIP_BOOTSTRAP", "1")
os.environ.setdefault("SKIP_RIGHTS_SYNC", "1")
os.environ.setdefault("SKIP_REGISTRY_SYNC", "1")


def _db_available() -> bool:
    try:
        import psycopg2

        conn = psycopg2.connect(
            host=os.getenv("DB_HOST", "localhost"),
            port=os.getenv("DB_PORT", "5432"),
            dbname=os.getenv("DB_NAME", "kairo_dev"),
            user=os.getenv("DB_USER", "kairo_dev"),
            password=os.getenv("DB_PASSWORD", "dev_password"),
            connect_timeout=3,
        )
        conn.close()
        return True
    except Exception:
        return False


_REMOTE_HINT = (
    "PostgreSQL lokal nicht erreichbar. "
    "Backend-Integrationstests laufen nach Push auf develop/main "
    "im deployten Backend-Container (Gitea: test.yml auf dem Pi)."
)


@pytest.fixture(scope="session", autouse=True)
def _require_postgresql():
    """Session-weiter Guard — verhindert Migrations-Setup ohne DB (keine ERROR-Spirale)."""
    if not _db_available():
        pytest.skip(_REMOTE_HINT)


@pytest.fixture(scope="session", autouse=True)
def _run_migrations():
    import run_migrations

    assert run_migrations.main() == 0


@pytest.fixture(scope="session", autouse=True)
def _seed_hygiene():
    """Vor/nach Tests pytest-Artefakte aus der geteilten Dev-DB entfernen."""
    import run_seeds

    run_seeds.main(["--only", "seed_001_cleanup_pytest_artifacts"])
    yield
    run_seeds.main(["--only", "seed_001_cleanup_pytest_artifacts"])


@pytest.fixture(scope="session", autouse=True)
def _sync_rights_registry():
    import rights_registrations  # noqa: F401
    from rights_registry import sync_rights_registry_to_db

    assert sync_rights_registry_to_db() == 0


@pytest.fixture(scope="session", autouse=True)
def _sync_prompt_feature_config():
    import feature_registrations  # noqa: F401
    import placeholder_registrations  # noqa: F401
    import prompt_registrations  # noqa: F401
    from sync_prompt_feature_config import main as sync_registries

    assert sync_registries() == 0


@pytest.fixture()
def client():
    import importlib

    import main as main_module

    importlib.reload(main_module)
    from fastapi.testclient import TestClient

    return TestClient(main_module.app)