"""classification 模块单元测试."""

import pytest
from domain.classification import (
    AssetClassification,
    AssetLibraryKind,
    ClassificationJob,
    ClassificationJobStatus,
    IngestJobStatus,
)


class TestAssetLibraryKind:
    """AssetLibraryKind 枚举测试."""

    def test_values(self):
        assert AssetLibraryKind.VIDEO == "video"
        assert AssetLibraryKind.VOICE == "voice"


class TestIngestJobStatus:
    """IngestJobStatus 枚举测试."""

    def test_values(self):
        assert IngestJobStatus.PENDING == "pending"
        assert IngestJobStatus.PROCESSING == "processing"
        assert IngestJobStatus.COMPLETED == "completed"
        assert IngestJobStatus.FAILED == "failed"


class TestClassificationJobStatus:
    """ClassificationJobStatus 枚举测试."""

    def test_values(self):
        assert ClassificationJobStatus.PENDING == "pending"
        assert ClassificationJobStatus.PROCESSING == "processing"
        assert ClassificationJobStatus.COMPLETED == "completed"
        assert ClassificationJobStatus.FAILED == "failed"


class TestAssetClassification:
    """AssetClassification 枚举测试."""

    def test_values(self):
        assert AssetClassification.SCENIC == "scenic"
        assert AssetClassification.PRODUCT == "product"
        assert AssetClassification.PERSON == "person"
        assert AssetClassification.ANIMAL == "animal"
        assert AssetClassification.FOOD == "food"
        assert AssetClassification.TECH == "tech"
        assert AssetClassification.SPORT == "sport"
        assert AssetClassification.MUSIC == "music"
        assert AssetClassification.OTHER == "other"


class TestClassificationJobCreate:
    """ClassificationJob.create 工厂方法测试."""

    def test_create_with_valid_params(self):
        job = ClassificationJob.create(project_id="proj_001", asset_id="asset_001")
        assert job.id
        assert len(job.id) == 32
        assert job.project_id == "proj_001"
        assert job.asset_id == "asset_001"
        assert job.status == ClassificationJobStatus.PENDING
        assert job.classification == ""
        assert job.confidence == 0.0
        assert job.error_message == ""
        assert job.created_at is not None
        assert job.updated_at is not None

    def test_create_strips_strings(self):
        job = ClassificationJob.create(
            project_id="  proj_002  ",
            asset_id="  asset_002  ",
        )
        assert job.project_id == "proj_002"
        assert job.asset_id == "asset_002"

    def test_create_empty_project_id_raises(self):
        with pytest.raises(ValueError, match="project_id"):
            ClassificationJob.create(project_id="", asset_id="a")

    def test_create_whitespace_project_id_raises(self):
        with pytest.raises(ValueError, match="project_id"):
            ClassificationJob.create(project_id="   ", asset_id="a")

    def test_create_empty_asset_id_raises(self):
        with pytest.raises(ValueError, match="asset_id"):
            ClassificationJob.create(project_id="p", asset_id="")

    def test_create_whitespace_asset_id_raises(self):
        with pytest.raises(ValueError, match="asset_id"):
            ClassificationJob.create(project_id="p", asset_id="   ")

    def test_create_ids_are_unique(self):
        j1 = ClassificationJob.create(project_id="p", asset_id="a")
        j2 = ClassificationJob.create(project_id="p", asset_id="b")
        assert j1.id != j2.id

    def test_create_timestamps_are_utc(self):
        job = ClassificationJob.create(project_id="p", asset_id="a")
        assert job.created_at.tzinfo is not None
        assert job.updated_at.tzinfo is not None


class TestClassificationJobState:
    """ClassificationJob 状态操作测试"""

    def test_set_processing(self):
        job = ClassificationJob.create(project_id="proj-1", asset_id="asset-1")
        job.status = ClassificationJobStatus.PROCESSING
        assert job.status == ClassificationJobStatus.PROCESSING

    def test_set_completed_with_result(self):
        job = ClassificationJob.create(project_id="proj-1", asset_id="asset-1")
        job.status = ClassificationJobStatus.COMPLETED
        job.classification = AssetClassification.SCENIC
        job.confidence = 0.95
        assert job.status == ClassificationJobStatus.COMPLETED
        assert job.classification == "scenic"
        assert job.confidence == pytest.approx(0.95)

    def test_set_failed_with_error(self):
        job = ClassificationJob.create(project_id="proj-1", asset_id="asset-1")
        job.status = ClassificationJobStatus.FAILED
        job.error_message = "model timeout"
        assert job.status == ClassificationJobStatus.FAILED
        assert job.error_message == "model timeout"

    def test_confidence_range_zero(self):
        job = ClassificationJob.create(project_id="proj-1", asset_id="asset-1")
        job.confidence = 0.0
        assert job.confidence == 0.0

    def test_confidence_range_one(self):
        job = ClassificationJob.create(project_id="proj-1", asset_id="asset-1")
        job.confidence = 1.0
        assert job.confidence == 1.0