"""generated_video 领域模型单元测试."""

import pytest
from domain.generated_video import GeneratedVideo


class TestGeneratedVideoCreate:
    """GeneratedVideo.create 工厂方法测试."""

    def test_create_with_required_fields(self):
        video = GeneratedVideo.create(
            project_id="proj_001",
            generation_task_id="task_001",
            name="测试视频",
            file_url="https://example.com/out.mp4",
        )
        assert video.id
        assert len(video.id) == 32
        assert video.project_id == "proj_001"
        assert video.generation_task_id == "task_001"
        assert video.name == "测试视频"
        assert video.file_url == "https://example.com/out.mp4"
        # 默认值
        assert video.user_id == ""
        assert video.file_size == 0
        assert video.duration == 0.0
        assert video.width == 0
        assert video.height == 0
        assert video.fps == 0.0
        assert video.thumbnail_url is None
        assert video.status == "completed"
        assert video.review_status == "pending_review"
        assert video.generation_params == {}
        assert video.video_fingerprint is None
        assert video.is_duplicate is False
        assert video.duplicate_of is None
        assert video.generated_at is not None
        assert video.created_at is not None

    def test_create_with_all_fields(self):
        video = GeneratedVideo.create(
            project_id="proj_002",
            generation_task_id="task_002",
            name="完整视频",
            file_url="https://example.com/full.mp4",
            user_id="user_001",
            file_size=1024000,
            duration=30.5,
            width=1920,
            height=1080,
            fps=30.0,
            thumbnail_url="https://example.com/thumb.jpg",
            generation_params={"quality": "high"},
        )
        assert video.user_id == "user_001"
        assert video.file_size == 1024000
        assert video.duration == 30.5
        assert video.width == 1920
        assert video.height == 1080
        assert video.fps == 30.0
        assert video.thumbnail_url == "https://example.com/thumb.jpg"
        assert video.generation_params == {"quality": "high"}

    def test_create_strips_strings(self):
        video = GeneratedVideo.create(
            project_id="  proj_003  ",
            generation_task_id="  task_003  ",
            name="  测试视频  ",
            file_url="  https://example.com/out.mp4  ",
            user_id="  user_003  ",
        )
        assert video.project_id == "proj_003"
        assert video.generation_task_id == "task_003"
        assert video.name == "测试视频"
        assert video.file_url == "https://example.com/out.mp4"
        assert video.user_id == "user_003"

    def test_create_empty_project_id_raises(self):
        with pytest.raises(ValueError, match="project_id"):
            GeneratedVideo.create(
                project_id="",
                generation_task_id="t",
                name="n",
                file_url="u",
            )

    def test_create_whitespace_project_id_raises(self):
        with pytest.raises(ValueError, match="project_id"):
            GeneratedVideo.create(
                project_id="   ",
                generation_task_id="t",
                name="n",
                file_url="u",
            )

    def test_create_empty_generation_task_id_raises(self):
        with pytest.raises(ValueError, match="generation_task_id"):
            GeneratedVideo.create(
                project_id="p",
                generation_task_id="",
                name="n",
                file_url="u",
            )

    def test_create_empty_name_raises(self):
        with pytest.raises(ValueError, match="name"):
            GeneratedVideo.create(
                project_id="p",
                generation_task_id="t",
                name="",
                file_url="u",
            )

    def test_create_empty_file_url_raises(self):
        with pytest.raises(ValueError, match="file_url"):
            GeneratedVideo.create(
                project_id="p",
                generation_task_id="t",
                name="n",
                file_url="",
            )

    def test_create_none_generation_params_defaults_to_empty_dict(self):
        video = GeneratedVideo.create(
            project_id="p",
            generation_task_id="t",
            name="n",
            file_url="u",
            generation_params=None,
        )
        assert video.generation_params == {}

    def test_create_ids_are_unique(self):
        v1 = GeneratedVideo.create(project_id="p", generation_task_id="t1", name="n1", file_url="u1")
        v2 = GeneratedVideo.create(project_id="p", generation_task_id="t2", name="n2", file_url="u2")
        assert v1.id != v2.id

    def test_create_timestamps_are_utc(self):
        video = GeneratedVideo.create(project_id="p", generation_task_id="t", name="n", file_url="u")
        assert video.created_at.tzinfo is not None
        assert video.generated_at.tzinfo is not None


class TestGeneratedVideoProperties:
    """GeneratedVideo 属性测试"""

    def test_default_status_completed(self):
        gv = GeneratedVideo.create(
            project_id="proj-1",
            generation_task_id="task-1",
            name="测试视频",
            file_url="https://example.com/video.mp4",
        )
        assert gv.status == "completed"

    def test_default_review_status(self):
        gv = GeneratedVideo.create(
            project_id="proj-1",
            generation_task_id="task-1",
            name="测试视频",
            file_url="https://example.com/video.mp4",
        )
        assert gv.review_status == "pending_review"

    def test_set_status(self):
        gv = GeneratedVideo.create(
            project_id="proj-1",
            generation_task_id="task-1",
            name="测试视频",
            file_url="https://example.com/video.mp4",
        )
        gv.status = "failed"
        assert gv.status == "failed"

    def test_mark_as_duplicate(self):
        gv = GeneratedVideo.create(
            project_id="proj-1",
            generation_task_id="task-1",
            name="测试视频",
            file_url="https://example.com/video.mp4",
        )
        gv.is_duplicate = True
        gv.duplicate_of = "video-original"
        assert gv.is_duplicate is True
        assert gv.duplicate_of == "video-original"

    def test_set_fingerprint(self):
        gv = GeneratedVideo.create(
            project_id="proj-1",
            generation_task_id="task-1",
            name="测试视频",
            file_url="https://example.com/video.mp4",
        )
        fingerprint = {"phash": "abc123", "md5": "def456"}
        gv.video_fingerprint = fingerprint
        assert gv.video_fingerprint == fingerprint