from __future__ import annotations

from backend.app.core.config import Settings


def test_external_service_env_overrides_are_supported_and_sanitized() -> None:
    settings = Settings(
        _env_file=None,
        chroma_url="https://chroma.example.test:443",
        neo4j_uri="neo4j+s://graph.example.test:7687",
        neo4j_username="neo4j",
        neo4j_password="not-for-logs",
        redis_url="rediss://:redis-secret@redis.example.test:6380/0",
    )

    diagnostics = settings.infrastructure_diagnostics()

    assert diagnostics["chroma_mode"] == "external"
    assert diagnostics["neo4j_mode"] == "external"
    assert diagnostics["redis_mode"] == "external"
    assert diagnostics["chroma_endpoint"] == "https://chroma.example.test:443"
    assert "not-for-logs" not in str(diagnostics)
    assert "redis-secret" not in str(diagnostics)


def test_local_defaults_do_not_hardcode_database_passwords() -> None:
    settings = Settings(_env_file=None)

    assert settings.neo4j_password == ""
    diagnostics = settings.infrastructure_diagnostics()
    assert diagnostics["chroma_mode"] == "local"
    assert diagnostics["neo4j_mode"] == "local"
    assert diagnostics["redis_mode"] == "local"


def test_ollama_cloud_key_ignores_bind_address_as_client_host() -> None:
    settings = Settings(
        _env_file=None,
        ollama_host="0.0.0.0",
        ollama_api_key="present-for-test",
    )

    assert settings.resolved_ollama_host == "https://ollama.com"


def test_ollama_local_bind_address_resolves_to_loopback_client_host() -> None:
    settings = Settings(
        _env_file=None,
        ollama_host="0.0.0.0",
        ollama_api_key="",
    )

    assert settings.resolved_ollama_host == "http://127.0.0.1:11434"