"""爆款视频 DB 模型单元测试（#2039 PR1：DB + migration）。

验证：
- 3 张新表可在内存 SQLite 上创建
- 默认值与基本 CRUD 正常
"""

from __future__ import annotations

from sqlalchemy import create_engine
from sqlalchemy.orm import sessionmaker

from packages.adapters.sqlalchemy_impl.models import (
    Base,
    ViralVideoJobModel,
    ViralVideoPromptTemplateModel,
    ViralVideoStyleTemplateModel,
)


def _make_session():
    engine = create_engine("sqlite:///:memory:")
    Base.metadata.create_all(engine)
    return sessionmaker(bind=engine)()


class TestViralVideoJobModel:
    def test_create_and_get(self):
        session = _make_session()
        job = ViralVideoJobModel(
            id="job-001",
            user_id="user-001",
            images=["https://img.com/1.jpg"],
            industry="美妆",
            duration=60,
        )
        session.add(job)
        session.commit()

        fetched = session.query(ViralVideoJobModel).filter_by(id="job-001").one()
        assert fetched.user_id == "user-001"
        assert fetched.images == ["https://img.com/1.jpg"]
        assert fetched.industry == "美妆"
        assert fetched.duration == 60

    def test_default_values(self):
        session = _make_session()
        job = ViralVideoJobModel(id="job-002", user_id="user-002")
        session.add(job)
        session.commit()

        fetched = session.get(ViralVideoJobModel, "job-002")
        assert fetched.images == []
        assert fetched.fusion_level == "ai_polish"
        assert fetched.style_strength == "medium"
        assert fetched.status == "pending"
        assert fetched.credits_cost == 0
        assert fetched.retry_count == 0
        assert fetched.style_guide is None
        assert fetched.intent_result is None


class TestViralVideoStyleTemplateModel:
    def test_create_and_get(self):
        session = _make_session()
        tpl = ViralVideoStyleTemplateModel(
            id="tpl-001",
            name="快节奏",
            style_config={"cut_speed": "fast"},
            sort_order=1,
        )
        session.add(tpl)
        session.commit()

        fetched = session.get(ViralVideoStyleTemplateModel, "tpl-001")
        assert fetched.name == "快节奏"
        assert fetched.style_config == {"cut_speed": "fast"}
        assert fetched.sort_order == 1


class TestViralVideoPromptTemplateModel:
    def test_create_and_get(self):
        session = _make_session()
        tpl = ViralVideoPromptTemplateModel(
            id="pt-001",
            prompt_type="image_analysis",
            name="图片分析模板",
            content="请分析图片：{image_url}",
            variables=["image_url"],
        )
        session.add(tpl)
        session.commit()

        fetched = session.get(ViralVideoPromptTemplateModel, "pt-001")
        assert fetched.prompt_type == "image_analysis"
        assert fetched.content == "请分析图片：{image_url}"
        assert fetched.variables == ["image_url"]
        assert fetched.version == 1
        assert fetched.is_active is True