"""
TitleLibraryItem 标题库领域模型单元测试
"""

from packages.domain.title_library import TitleLibraryItem


class TestTitleLibraryItem:
    """TitleLibraryItem 测试"""

    def test_create_minimal(self):
        item = TitleLibraryItem(id="t1", user_id="u1", name="标题1", text="这是标题文本")
        assert item.id == "t1"
        assert item.user_id == "u1"
        assert item.name == "标题1"
        assert item.text == "这是标题文本"

    def test_default_values(self):
        item = TitleLibraryItem(id="t1", user_id="u1", name="n", text="t")
        assert item.category == "default"
        assert item.description == ""
        assert item.tags == []
        assert item.usage_count == 0
        assert item.is_active is True
        assert item.metadata_ == {}

    def test_with_category(self):
        item = TitleLibraryItem(
            id="t1",
            user_id="u1",
            name="n",
            text="t",
            category="美食",
        )
        assert item.category == "美食"

    def test_with_tags(self):
        item = TitleLibraryItem(
            id="t1",
            user_id="u1",
            name="n",
            text="t",
            tags=["爆款", "美食"],
        )
        assert len(item.tags) == 2
        assert "爆款" in item.tags

    def test_usage_count(self):
        item = TitleLibraryItem(id="t1", user_id="u1", name="n", text="t")
        assert item.usage_count == 0
        item.usage_count = 10
        assert item.usage_count == 10

    def test_inactive(self):
        item = TitleLibraryItem(
            id="t1",
            user_id="u1",
            name="n",
            text="t",
            is_active=False,
        )
        assert item.is_active is False

    def test_with_metadata(self):
        meta = {"source": "import", "quality": "high"}
        item = TitleLibraryItem(
            id="t1",
            user_id="u1",
            name="n",
            text="t",
            metadata_=meta,
        )
        assert item.metadata_["source"] == "import"

    def test_has_timestamps(self):
        item = TitleLibraryItem(id="t1", user_id="u1", name="n", text="t")
        assert item.created_at is not None
        assert item.updated_at is not None