from config import Settings


class TestSettings:
    """Tests the Settings model."""

    def test_default_cors_origins(self):
        """Test the default value."""
        settings = Settings()
        assert settings.cors_origins == ["http://localhost:5173"]
        assert isinstance(settings.cors_origins, list)

    def test_cors_origins_single_value(self, monkeypatch):
        """Test with only one origin in the env variable."""
        monkeypatch.setenv("CORS_ORIGINS", "http://example.com")
        settings = Settings()
        assert settings.cors_origins == ["http://example.com"]

    def test_cors_origins_multiple_values(self, monkeypatch):
        """Test with several origins comma separated."""
        monkeypatch.setenv(
            "CORS_ORIGINS", "http://a.com,http://b.com,http://c.com"
        )
        settings = Settings()
        assert settings.cors_origins == [
            "http://a.com", "http://b.com", "http://c.com"
        ]

    def test_cors_origins_with_spaces(self, monkeypatch):
        """Test with origins with spaces around commas."""
        monkeypatch.setenv(
            "CORS_ORIGINS", "http://a.com , http://b.com , http://c.com"
        )
        settings = Settings()
        assert settings.cors_origins == [
            "http://a.com", "http://b.com", "http://c.com"
        ]

    def test_cors_origins_empty_string(self, monkeypatch):
        """Test with an empty list."""
        monkeypatch.setenv("CORS_ORIGINS", "")
        settings = Settings()
        assert settings.cors_origins == []

    def test_cors_origins_with_trailing_comma(self, monkeypatch):
        """Test with a trailing comma."""
        monkeypatch.setenv("CORS_ORIGINS", "http://a.com,http://b.com,")
        settings = Settings()
        assert settings.cors_origins == ["http://a.com", "http://b.com"]

    def test_cors_origins_type_is_list(self):
        """Test that the returned type is a list"""
        settings = Settings()
        assert isinstance(settings.cors_origins, list)
        assert all(isinstance(origin, str) for origin in settings.cors_origins)