# -*- coding: utf-8 -*-
"""内容审核服务 真实验证（#81 敏感词检测 / 隐私泄露识别）

真实验证点（来自功能规格说明书 + 状态看板验收标准）：
- moderate("你爱找谁找谁") → WARN + matched 含该词
- check_privacy_leak("电话13800138000") → 含 "phone"
- 命中敏感词动作是 WARN（仅警告，不阻断发送）
- 自定义词库为写死的若干条（生产应从配置加载，当前未接）
"""
import pytest

from app.services.content_moderation_service import (
    ContentModerationService,
    ModerationAction,
)


@pytest.fixture
def moderation_service():
    # 直接使用构造函数（单例亦可，这里用新实例避免跨测试状态）
    return ContentModerationService()


def test_moderate_returns_warn_with_matched_word(moderation_service):
    """验收点1: 命中自定义敏感词 → WARN 且 matched 含该词"""
    result = moderation_service.moderate("你爱找谁找谁")
    assert result.action == ModerationAction.WARN
    assert "你爱找谁找谁" in result.matched_words


def test_moderate_all_known_custom_words_warn(moderation_service):
    """所有已知自定义敏感词均能命中并返回 WARN"""
    words = ["投诉我", "你爱找谁找谁", "自己不会百度吗", "这点小事"]
    for w in words:
        r = moderation_service.moderate(w)
        assert r.action == ModerationAction.WARN, f"{w} 应被 warn"
        assert w in r.matched_words, f"{w} 应在 matched 中"


def test_moderate_clean_text_passes(moderation_service):
    """正常文本 → PASS，无命中词"""
    r = moderation_service.moderate("您好，我的电脑无法开机了")
    assert r.action == ModerationAction.PASS
    assert r.matched_words == []


def test_moderate_empty_string_passes(moderation_service):
    """空字符串 → PASS"""
    r = moderation_service.moderate("")
    assert r.action == ModerationAction.PASS
    assert r.matched_words == []


def test_default_action_is_warn_not_block(moderation_service):
    """关键事实: 当前命中动作是 WARN 而非 BLOCK（仅警告、不阻断发送）"""
    r = moderation_service.moderate("自己不会百度吗")
    assert r.action != ModerationAction.BLOCK
    assert r.action == ModerationAction.WARN


def test_check_privacy_leak_phone(moderation_service):
    """验收点2: 手机号被识别为 phone"""
    leaked = moderation_service.check_privacy_leak("我的电话13800138000")
    assert "phone" in leaked


def test_check_privacy_leak_id_card(moderation_service):
    """身份证号被识别为 id_card"""
    leaked = moderation_service.check_privacy_leak("身份证11010119900307123X")
    assert "id_card" in leaked


def test_check_privacy_leak_clean_text_empty(moderation_service):
    """正常沟通内容不触发隐私识别"""
    leaked = moderation_service.check_privacy_leak("这是正常的工作沟通内容")
    assert leaked == []


def test_custom_word_list_is_hardcoded(moderation_service):
    """确认自定义词库是写死的（生产应从配置加载，当前未接）"""
    words = moderation_service.custom_sensitive_words
    assert len(words) >= 4
    for w in ["投诉我", "你爱找谁找谁", "自己不会百度吗", "这点小事"]:
        assert w in words