"""yuxi.channels.adapters.masking_adapter 单元测试。

覆盖 ``MaskingAdapter`` 的 ``mask_full`` / ``mask_partial`` /
``is_sensitive_key`` 方法，使用 ``patch`` 替换 ``CryptoHelper``，
不依赖真实加解密配置。
"""

from __future__ import annotations

from unittest.mock import MagicMock, patch

import pytest

from yuxi.channels.adapters.masking_adapter import MaskingAdapter


pytestmark = pytest.mark.unit


def _make_helper() -> MagicMock:
    """构造 CryptoHelper 桩。"""
    helper = MagicMock()
    helper.mask_full = MagicMock(return_value="***")
    helper.mask_partial = MagicMock(return_value="abcd***")
    helper.is_sensitive_key = MagicMock(return_value=True)
    return helper


@pytest.mark.unit
class TestMaskingAdapterConstruction:
    def test_init_loads_crypto_helper(self):
        # Arrange
        helper = _make_helper()

        # Act
        with patch(
            "yuxi.channels.adapters.masking_adapter.get_crypto_helper",
            return_value=helper,
        ):
            adapter = MaskingAdapter()

        # Assert
        assert adapter._helper is helper


@pytest.mark.unit
class TestMaskingAdapterMaskFull:
    def test_mask_full_delegates_to_helper(self):
        # Arrange
        helper = _make_helper()
        with patch(
            "yuxi.channels.adapters.masking_adapter.get_crypto_helper",
            return_value=helper,
        ):
            adapter = MaskingAdapter()

        # Act
        result = adapter.mask_full("secret-value")

        # Assert
        helper.mask_full.assert_called_once_with("secret-value")
        assert result == "***"

    def test_mask_full_passes_any_value_type(self):
        # Arrange
        helper = _make_helper()
        helper.mask_full.return_value = {"masked": True}
        with patch(
            "yuxi.channels.adapters.masking_adapter.get_crypto_helper",
            return_value=helper,
        ):
            adapter = MaskingAdapter()

        # Act
        result = adapter.mask_full({"key": "value"})

        # Assert
        helper.mask_full.assert_called_once_with({"key": "value"})
        assert result == {"masked": True}


@pytest.mark.unit
class TestMaskingAdapterMaskPartial:
    def test_mask_partial_delegates_to_helper(self):
        # Arrange
        helper = _make_helper()
        with patch(
            "yuxi.channels.adapters.masking_adapter.get_crypto_helper",
            return_value=helper,
        ):
            adapter = MaskingAdapter()

        # Act
        result = adapter.mask_partial("token-value")

        # Assert
        helper.mask_partial.assert_called_once_with("token-value")
        assert result == "abcd***"


@pytest.mark.unit
class TestMaskingAdapterIsSensitiveKey:
    def test_is_sensitive_key_delegates_to_helper(self):
        # Arrange
        helper = _make_helper()
        with patch(
            "yuxi.channels.adapters.masking_adapter.get_crypto_helper",
            return_value=helper,
        ):
            adapter = MaskingAdapter()

        # Act
        result = adapter.is_sensitive_key("api_key")

        # Assert
        helper.is_sensitive_key.assert_called_once_with("api_key")
        assert result is True

    def test_is_sensitive_key_returns_false_for_non_sensitive(self):
        # Arrange
        helper = _make_helper()
        helper.is_sensitive_key.return_value = False
        with patch(
            "yuxi.channels.adapters.masking_adapter.get_crypto_helper",
            return_value=helper,
        ):
            adapter = MaskingAdapter()

        # Act
        result = adapter.is_sensitive_key("display_name")

        # Assert
        assert result is False