from __future__ import annotations

import pytest

from iaai_sync_service.settings import Settings


def test_settings_from_env_reads_required_values(monkeypatch) -> None:  # noqa: ANN001
    monkeypatch.setenv("DATABASE_URL", "postgres://user:pass@localhost:5432/db")
    monkeypatch.setenv("CELERY_BROKER_URL", "redis://localhost:6379/0")
    monkeypatch.setenv("IAAI_BASE_URL", "https://www.iaai.com")
    monkeypatch.setenv("IAAI_LISTING_START_URL", "https://www.iaai.com/Search?url=abc")
    monkeypatch.setenv("IAAI_FETCH_CONCURRENCY", "4")
    monkeypatch.setenv("IAAI_SESSION_KEEPALIVE_ENABLED", "false")
    monkeypatch.setenv("IAAI_SESSION_KEEPALIVE_INTERVAL_MINUTES", "20")
    monkeypatch.setenv("IAAI_SCHEMA_BOOTSTRAP_ENABLED", "true")

    settings = Settings.from_env()

    assert settings.database_url == "postgresql+psycopg://user:pass@localhost:5432/db"
    assert settings.celery_broker_url == "redis://localhost:6379/0"
    assert settings.iaai_base_url == "https://www.iaai.com"
    assert settings.iaai_listing_start_url == "https://www.iaai.com/Search?url=abc"
    assert settings.fetch_concurrency == 4
    assert settings.session_keepalive_enabled is False
    assert settings.session_keepalive_interval_minutes == 20
    assert settings.schema_bootstrap_enabled is True


def test_settings_rejects_non_positive_concurrency(monkeypatch) -> None:  # noqa: ANN001
    monkeypatch.setenv("DATABASE_URL", "postgresql://user:pass@localhost:5432/db")
    monkeypatch.setenv("CELERY_BROKER_URL", "redis://localhost:6379/0")
    monkeypatch.setenv("IAAI_BASE_URL", "https://www.iaai.com")
    monkeypatch.setenv("IAAI_FETCH_CONCURRENCY", "0")

    with pytest.raises(RuntimeError, match="IAAI_FETCH_CONCURRENCY"):
        Settings.from_env()


def test_settings_bootstrap_flag_defaults_to_false(monkeypatch) -> None:  # noqa: ANN001
    monkeypatch.setenv("DATABASE_URL", "postgresql://user:pass@localhost:5432/db")
    monkeypatch.setenv("CELERY_BROKER_URL", "redis://localhost:6379/0")
    monkeypatch.setenv("IAAI_BASE_URL", "https://www.iaai.com")

    settings = Settings.from_env()
    assert settings.schema_bootstrap_enabled is False


def test_settings_rejects_invalid_listing_start_url(monkeypatch) -> None:  # noqa: ANN001
    monkeypatch.setenv("DATABASE_URL", "postgresql://user:pass@localhost:5432/db")
    monkeypatch.setenv("CELERY_BROKER_URL", "redis://localhost:6379/0")
    monkeypatch.setenv("IAAI_BASE_URL", "https://www.iaai.com")
    monkeypatch.setenv("IAAI_LISTING_START_URL", "Search?url=abc")

    with pytest.raises(RuntimeError, match="IAAI_LISTING_START_URL"):
        Settings.from_env()


def test_settings_rejects_invalid_keepalive_interval(monkeypatch) -> None:  # noqa: ANN001
    monkeypatch.setenv("DATABASE_URL", "postgresql://user:pass@localhost:5432/db")
    monkeypatch.setenv("CELERY_BROKER_URL", "redis://localhost:6379/0")
    monkeypatch.setenv("IAAI_BASE_URL", "https://www.iaai.com")
    monkeypatch.setenv("IAAI_SESSION_KEEPALIVE_INTERVAL_MINUTES", "0")

    with pytest.raises(RuntimeError, match="IAAI_SESSION_KEEPALIVE_INTERVAL_MINUTES"):
        Settings.from_env()