from __future__ import annotations

import pytest

from lai_automation.config import Settings


def base_environment(monkeypatch: pytest.MonkeyPatch) -> None:
    monkeypatch.setenv(
        "SOURCE_REPOSITORY",
        "https://gitea.example.test/owner/lai.git",
    )
    monkeypatch.setenv("GITEA_URL", "https://gitea.example.test")
    monkeypatch.setenv("GITEA_OWNER", "owner")
    monkeypatch.setenv("GITEA_REPOSITORY", "lai")
    monkeypatch.setenv("GITEA_TOKEN", "secret")
    monkeypatch.setenv("MISTRAL_API_KEY", "model-secret")
    monkeypatch.setenv("TEST_DB_NAME", "lai_agent_test")
    monkeypatch.setenv("TEST_CUSTOMER_DB", "customer_agent_test")
    monkeypatch.setenv("TEST_CONFIG_DB", "config_agent_test")


def test_settings_load_issue_workflow_defaults(
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    base_environment(monkeypatch)

    settings = Settings.from_env()

    assert settings.queued_label == "ai:queued"
    assert settings.running_label == "ai:running"
    assert settings.agent_model == "mistral/devstral-latest"
    assert settings.max_agent_attempts == 3
    assert settings.test_commands == ("npm run build", "php artisan test")
    assert settings.test_environment["DB_DATABASE"] == "lai_agent_test"
    assert settings.test_environment["ERP_DATABASE"] == "customer_agent_test"
    assert settings.test_environment["COCKPIT_CONFIG_DATABASE"] == "config_agent_test"
    assert settings.test_environment["AGENT_TEST_DB_ENABLED"] == "true"
    assert settings.test_environment["AI_MISTRAL_API_KEY"] == "test-only-placeholder"
    assert "GITEA_TOKEN" not in settings.test_environment
    assert "MISTRAL_API_KEY" not in settings.test_environment


def test_settings_reject_non_https_source(monkeypatch: pytest.MonkeyPatch) -> None:
    base_environment(monkeypatch)
    monkeypatch.setenv(
        "SOURCE_REPOSITORY",
        "http://gitea.example.test/owner/lai.git",
    )

    with pytest.raises(ValueError, match="HTTPS"):
        Settings.from_env()


def test_settings_reject_different_repository_host(
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    base_environment(monkeypatch)
    monkeypatch.setenv(
        "SOURCE_REPOSITORY",
        "https://attacker.example/owner/lai.git",
    )

    with pytest.raises(ValueError, match="configured Gitea"):
        Settings.from_env()


def test_settings_require_isolated_test_database(
    monkeypatch: pytest.MonkeyPatch,
) -> None:
    base_environment(monkeypatch)
    monkeypatch.setenv("TEST_DB_NAME", "production")

    with pytest.raises(ValueError, match="isolated test database"):
        Settings.from_env()