"""Tests runtime konfigurācijai produkcijas izvietošanai."""

from __future__ import annotations

import os
import tomllib
from pathlib import Path

from maris_core.runtime import (
    configure_huggingface_environment,
    is_reload_enabled,
    resolve_host,
    resolve_port,
)


def test_resolve_port_prefers_platform_port(monkeypatch) -> None:
    monkeypatch.delenv("PORT", raising=False)
    assert resolve_port() == 8000

    monkeypatch.setenv("PORT", "10000")
    assert resolve_port() == 10000


def test_resolve_port_rejects_invalid_value(monkeypatch) -> None:
    monkeypatch.setenv("PORT", "invalid")

    try:
        resolve_port()
    except ValueError as exc:
        assert str(exc) == "Invalid PORT value: 'invalid'"
    else:
        raise AssertionError("resolve_port() should reject invalid PORT values")


def test_resolve_host_defaults_to_ipv4_locally(monkeypatch) -> None:
    monkeypatch.delenv("HOST", raising=False)
    monkeypatch.delenv("RAILWAY_PRIVATE_DOMAIN", raising=False)
    monkeypatch.delenv("RAILWAY_PUBLIC_DOMAIN", raising=False)
    monkeypatch.delenv("RAILWAY_ENVIRONMENT_ID", raising=False)

    assert resolve_host() == "0.0.0.0"


def test_resolve_host_prefers_explicit_host_env(monkeypatch) -> None:
    monkeypatch.setenv("HOST", "127.0.0.1")
    monkeypatch.setenv("RAILWAY_PRIVATE_DOMAIN", "maris-core-python.railway.internal")

    assert resolve_host() == "127.0.0.1"


def test_resolve_host_keeps_ipv4_binding_on_railway(monkeypatch) -> None:
    monkeypatch.delenv("HOST", raising=False)
    monkeypatch.setenv("RAILWAY_PRIVATE_DOMAIN", "maris-core-python.railway.internal")

    assert resolve_host() == "0.0.0.0"


def test_reload_disabled_by_default(monkeypatch) -> None:
    monkeypatch.delenv("MARIS_RELOAD", raising=False)
    assert is_reload_enabled() is False


def test_reload_can_be_enabled_from_env(monkeypatch) -> None:
    monkeypatch.setenv("MARIS_RELOAD", "true")
    assert is_reload_enabled() is True


def test_configure_huggingface_environment_sets_standard_runtime_aliases(monkeypatch) -> None:
    monkeypatch.setenv("MARIS_REPO_TOKEN", "hf-secret")
    monkeypatch.delenv("HF_TOKEN", raising=False)
    monkeypatch.delenv("HUGGING_FACE_HUB_TOKEN", raising=False)
    monkeypatch.delenv("HUGGINGFACEHUB_API_TOKEN", raising=False)
    monkeypatch.delenv("HF_HUB_DISABLE_XET", raising=False)

    configure_huggingface_environment()

    assert os.environ["HF_TOKEN"] == "hf-secret"
    assert os.environ["HUGGING_FACE_HUB_TOKEN"] == "hf-secret"
    assert os.environ["HUGGINGFACEHUB_API_TOKEN"] == "hf-secret"
    assert os.environ["HF_HUB_DISABLE_XET"] == "1"


def test_railway_healthcheck_uses_health_endpoint() -> None:
    railway_config = tomllib.loads(
        (Path(__file__).resolve().parents[1] / "railway.toml").read_text(encoding="utf-8")
    )

    assert railway_config["deploy"]["healthcheckPath"] == "/health"