"""VoiceCloneProfile 领域模型单元测试 — Phase 3 CosyVoice 集成."""

from __future__ import annotations

import pytest

from packages.domain.voice_clone_profile import VoiceCloneProfile, VoiceCloneStatus


class TestVoiceCloneProfileCreate:
    """测试 VoiceCloneProfile.create() 工厂方法。"""

    def test_create_success(self) -> None:
        """正常创建音色克隆档案。"""
        profile = VoiceCloneProfile.create(
            user_id="user_001",
            name="我的音色",
            description="用于配音的自定义音色",
            source_audio_url="https://example.com/audio.wav",
            voice_model="cosyvoice-v1",
            language="zh-CN",
            gender="female",
        )

        assert profile.id
        assert profile.user_id == "user_001"
        assert profile.name == "我的音色"
        assert profile.description == "用于配音的自定义音色"
        assert profile.status == VoiceCloneStatus.PENDING
        assert profile.source_audio_url == "https://example.com/audio.wav"
        assert profile.voice_model == "cosyvoice-v1"
        assert profile.language == "zh-CN"
        assert profile.gender == "female"
        assert profile.retry_count == 0
        assert profile.max_retries == 3
        assert profile.created_at
        assert profile.updated_at

    def test_create_minimal(self) -> None:
        """使用最小参数创建。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试音色")

        assert profile.user_id == "user_001"
        assert profile.name == "测试音色"
        assert profile.status == VoiceCloneStatus.PENDING
        assert profile.description == ""
        assert profile.source_audio_url == ""
        assert profile.language == "zh-CN"
        assert profile.gender == "unknown"

    def test_create_empty_user_id_raises(self) -> None:
        """空 user_id 应抛出 ValueError。"""
        with pytest.raises(ValueError, match="user_id 不能为空"):
            VoiceCloneProfile.create(user_id="", name="测试")

    def test_create_whitespace_user_id_raises(self) -> None:
        """空白 user_id 应抛出 ValueError。"""
        with pytest.raises(ValueError, match="user_id 不能为空"):
            VoiceCloneProfile.create(user_id="   ", name="测试")

    def test_create_empty_name_raises(self) -> None:
        """空 name 应抛出 ValueError。"""
        with pytest.raises(ValueError, match="name 不能为空"):
            VoiceCloneProfile.create(user_id="user_001", name="")

    def test_create_name_too_long_raises(self) -> None:
        """name 超过 100 字符应抛出 ValueError。"""
        with pytest.raises(ValueError, match="name 长度不能超过 100 字符"):
            VoiceCloneProfile.create(user_id="user_001", name="a" * 101)

    def test_create_strips_whitespace(self) -> None:
        """应去除首尾空白。"""
        profile = VoiceCloneProfile.create(
            user_id="  user_001  ",
            name="  测试音色  ",
            description="  描述  ",
        )

        assert profile.user_id == "user_001"
        assert profile.name == "测试音色"
        assert profile.description == "描述"

    def test_create_gender_normalized(self) -> None:
        """gender 应转换为小写。"""
        profile = VoiceCloneProfile.create(
            user_id="user_001",
            name="测试",
            gender="FEMALE",
        )

        assert profile.gender == "female"


class TestVoiceCloneProfileStatus:
    """测试状态相关属性和方法。"""

    def test_initial_status_is_pending(self) -> None:
        """初始状态应为 PENDING。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        assert profile.status == VoiceCloneStatus.PENDING

    def test_is_terminal_pending(self) -> None:
        """PENDING 不是终态。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        assert not profile.is_terminal

    def test_is_terminal_ready(self) -> None:
        """READY 是终态。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        profile.mark_processing()
        profile.mark_ready(voice_id="voice_001")
        assert profile.is_terminal

    def test_is_terminal_failed(self) -> None:
        """FAILED 是终态。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        profile.mark_processing()
        profile.mark_failed("克隆失败")
        assert profile.is_terminal

    def test_is_retryable_not_failed(self) -> None:
        """非 FAILED 状态不可重试。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        assert not profile.is_retryable

    def test_is_retryable_failed_under_limit(self) -> None:
        """FAILED 且未超过重试上限时可重试。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        profile.mark_processing()
        profile.mark_failed("克隆失败")
        assert profile.is_retryable

    def test_is_retryable_failed_over_limit(self) -> None:
        """超过重试上限时不可重试。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试", max_retries=1)
        profile.mark_processing()
        profile.mark_failed("第一次失败")
        profile.prepare_retry()
        profile.mark_processing()
        profile.mark_failed("第二次失败")
        assert not profile.is_retryable

    def test_is_ready_with_voice_id(self) -> None:
        """READY 且有 voice_id 时应返回 True。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        profile.mark_processing()
        profile.mark_ready(voice_id="voice_001")
        assert profile.is_ready

    def test_is_ready_without_voice_id(self) -> None:
        """READY 但无 voice_id 时应返回 False。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        profile.mark_processing()
        profile.status = VoiceCloneStatus.READY
        profile.voice_id = ""
        assert not profile.is_ready


class TestVoiceCloneProfileTransitions:
    """测试状态转换。"""

    def test_mark_processing(self) -> None:
        """PENDING → PROCESSING 转换。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        profile.mark_processing()
        assert profile.status == VoiceCloneStatus.PROCESSING
        assert profile.error_message == ""

    def test_mark_ready(self) -> None:
        """PROCESSING → READY 转换。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        profile.mark_processing()
        profile.mark_ready(voice_id="voice_001")
        assert profile.status == VoiceCloneStatus.READY
        assert profile.voice_id == "voice_001"
        assert profile.error_message == ""

    def test_mark_ready_empty_voice_id_raises(self) -> None:
        """mark_ready 空 voice_id 应抛出 ValueError。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        profile.mark_processing()
        with pytest.raises(ValueError, match="voice_id 不能为空"):
            profile.mark_ready(voice_id="")

    def test_mark_failed(self) -> None:
        """PROCESSING → FAILED 转换。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        profile.mark_processing()
        profile.mark_failed("API 调用失败")
        assert profile.status == VoiceCloneStatus.FAILED
        assert profile.error_message == "API 调用失败"

    def test_mark_disabled_from_pending(self) -> None:
        """PENDING → DISABLED 转换。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        profile.mark_disabled()
        assert profile.status == VoiceCloneStatus.DISABLED

    def test_mark_disabled_from_ready(self) -> None:
        """READY → DISABLED 转换。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        profile.mark_processing()
        profile.mark_ready(voice_id="voice_001")
        profile.mark_disabled()
        assert profile.status == VoiceCloneStatus.DISABLED

    def test_invalid_transition_raises(self) -> None:
        """非法状态转换应抛出 ValueError。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        with pytest.raises(ValueError, match="非法状态转换"):
            profile.mark_ready(voice_id="voice_001")  # PENDING → READY 非法

    def test_invalid_status_string_raises(self) -> None:
        """无效状态字符串应抛出 ValueError。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        with pytest.raises(ValueError, match="无效状态"):
            profile.transition_to("invalid_status")

    def test_transition_to_with_string(self) -> None:
        """支持字符串形式的状态转换。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        profile.transition_to("processing")
        assert profile.status == VoiceCloneStatus.PROCESSING


class TestVoiceCloneProfileRetry:
    """测试重试逻辑。"""

    def test_prepare_retry_success(self) -> None:
        """成功重试。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        profile.mark_processing()
        profile.mark_failed("失败")
        profile.prepare_retry()

        assert profile.status == VoiceCloneStatus.PENDING
        assert profile.retry_count == 1
        assert profile.error_message == ""
        assert profile.voice_id == ""

    def test_prepare_retry_not_failed_raises(self) -> None:
        """非 FAILED 状态重试应抛出 ValueError。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        with pytest.raises(ValueError, match="不可重试"):
            profile.prepare_retry()

    def test_prepare_retry_over_limit_raises(self) -> None:
        """超过重试上限重试应抛出 ValueError。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试", max_retries=1)
        profile.mark_processing()
        profile.mark_failed("第一次失败")
        profile.prepare_retry()
        profile.mark_processing()
        profile.mark_failed("第二次失败")

        with pytest.raises(ValueError, match="不可重试"):
            profile.prepare_retry()


class TestVoiceCloneProfileToDict:
    """测试序列化。"""

    def test_to_dict_contains_all_fields(self) -> None:
        """to_dict 应包含所有字段。"""
        profile = VoiceCloneProfile.create(
            user_id="user_001",
            name="测试音色",
            description="描述",
            source_audio_url="https://example.com/audio.wav",
            voice_model="cosyvoice-v1",
            language="zh-CN",
            gender="female",
            max_retries=5,
            metadata={"key": "value"},
        )

        result = profile.to_dict()

        assert result["id"] == profile.id
        assert result["user_id"] == "user_001"
        assert result["name"] == "测试音色"
        assert result["description"] == "描述"
        assert result["status"] == "pending"
        assert result["source_audio_url"] == "https://example.com/audio.wav"
        assert result["voice_model"] == "cosyvoice-v1"
        assert result["language"] == "zh-CN"
        assert result["gender"] == "female"
        assert result["retry_count"] == 0
        assert result["max_retries"] == 5
        assert result["is_retryable"] is False
        assert result["is_ready"] is False
        assert result["metadata"] == {"key": "value"}
        assert result["created_at"] is not None
        assert result["updated_at"] is not None

    def test_to_dict_after_state_change(self) -> None:
        """状态变更后 to_dict 应反映最新状态。"""
        profile = VoiceCloneProfile.create(user_id="user_001", name="测试")
        profile.mark_processing()
        profile.mark_ready(voice_id="voice_001")

        result = profile.to_dict()

        assert result["status"] == "ready"
        assert result["voice_id"] == "voice_001"
        assert result["is_ready"] is True