"""
语音合成器
负责将文本转换为语音
"""

import time
import numpy as np
from typing import Dict, Any, List, Callable
import threading
from queue import Queue, Empty

class SpeechSynthesizer:
    """
    语音合成器
    负责将文本转换为语音，支持多种语音和语言
    """
    
    def __init__(self, plugin):
        """
        初始化语音合成器
        
        Args:
            plugin: 语音识别和合成插件实例
        """
        self.plugin = plugin
        self.enabled = False
        self.initialized = False
        self.is_speaking = False
        
        # 合成配置
        self.language = plugin.config.get('language', 'zh-CN')
        self.voice = plugin.config.get('voice', 'default')
        self.volume = plugin.config.get('volume', 1.0)
        self.speed = plugin.config.get('speed', 1.0)
        self.pitch = plugin.config.get('pitch', 1.0)
        self.sample_rate = plugin.config.get('sample_rate', 16000)
        
        # 合成状态
        self.synthesis_thread = None
        self.playback_thread = None
        self.synthesis_queue = Queue()
        self.is_playing = False
        self.current_audio_data = None
        
        # 语音参数
        self.voice_params = {
            'male_voices': ['male1', 'male2', 'male3'],
            'female_voices': ['female1', 'female2', 'female3'],
            'neutral_voices': ['neutral1', 'neutral2'],
            'emotional_voices': ['happy', 'sad', 'angry', 'excited']
        }
        
        # 合成参数
        self.synthesis_params = {
            'ssml_enabled': False,
            'phoneme_enabled': False,
            'word_break_ms': 250,
            'sentence_break_ms': 500
        }
        
        # 统计信息
        self.stats = {
            'synthesizations_processed': 0,
            'synthesis_errors': 0,
            'total_synthesis_time': 0.0,
            'average_synthesis_time': 0.0,
            'total_audio_duration': 0.0
        }
        
        # 回调函数
        self.synthesis_callback = None
        self.playback_finished_callback = None
        
        # 音素字典（简化版）
        self.phoneme_dict = {
            # 中文拼音到音素的映射（简化）
            'a': [600], 'o': [500], 'e': [400], 'i': [300], 'u': [200], 'v': [250],
            'b': [150], 'p': [160], 'm': [140], 'f': [130], 'd': [120], 't': [110],
            'n': [100], 'l': [90], 'g': [80], 'k': [70], 'h': [60], 'j': [50],
            'q': [40], 'x': [30], 'zh': [25], 'ch': [20], 'sh': [15], 'r': [10],
            'z': [9], 'c': [8], 's': [7], 'y': [6], 'w': [5]
        }
        
        print("✓ 语音合成器已创建")
        
    def initialize(self) -> bool:
        """
        初始化语音合成器
        
        Returns:
            是否初始化成功
        """
        try:
            # 初始化合成引擎（这里简化处理，实际项目中需要加载相应的合成模型或库）
            print("✓ 语音合成引擎初始化完成")
            
            self.initialized = True
            print("✓ 语音合成器初始化完成")
            return True
            
        except Exception as e:
            print(f"✗ 语音合成器初始化失败: {e}")
            import traceback
            traceback.print_exc()
            return False
            
    def enable(self) -> bool:
        """
        启用语音合成器
        
        Returns:
            是否启用成功
        """
        try:
            if not self.initialized:
                print("✗ 语音合成器未初始化")
                return False
                
            self.enabled = True
            
            # 启动合成线程
            self.synthesis_thread = threading.Thread(target=self._synthesis_worker, daemon=True)
            self.synthesis_thread.start()
            
            print("✓ 语音合成器已启用")
            return True
            
        except Exception as e:
            print(f"✗ 语音合成器启用失败: {e}")
            import traceback
            traceback.print_exc()
            return False
            
    def disable(self):
        """禁用语音合成器"""
        try:
            self.stop_speaking()
            self.enabled = False
            
            # 清空合成队列
            while not self.synthesis_queue.empty():
                try:
                    self.synthesis_queue.get_nowait()
                except Empty:
                    break
                    
            print("✓ 语音合成器已禁用")
            
        except Exception as e:
            print(f"✗ 语音合成器禁用失败: {e}")
            import traceback
            traceback.print_exc()
            
    def finalize(self):
        """清理语音合成器资源"""
        try:
            self.disable()
            self.initialized = False
            print("✓ 语音合成器资源已清理")
            
        except Exception as e:
            print(f"✗ 语音合成器资源清理失败: {e}")
            import traceback
            traceback.print_exc()
            
    def update(self, dt: float):
        """
        更新语音合成器状态
        
        Args:
            dt: 时间增量
        """
        # 这里可以处理定期更新的任务
        pass
        
    def synthesize(self, text: str, callback: Callable = None) -> bool:
        """
        合成语音
        
        Args:
            text: 要合成的文本
            callback: 合成完成回调函数
            
        Returns:
            是否开始合成
        """
        try:
            if not self.enabled:
                print("✗ 语音合成器未启用")
                return False
                
            # 将合成任务加入队列
            task = {
                'text': text,
                'callback': callback or self.synthesis_callback,
                'timestamp': time.time()
            }
            
            self.synthesis_queue.put(task)
            print(f"✓ 语音合成任务已加入队列: {text[:50]}...")
            return True
            
        except Exception as e:
            print(f"✗ 语音合成任务添加失败: {e}")
            import traceback
            traceback.print_exc()
            return False
            
    def _synthesis_worker(self):
        """语音合成工作线程"""
        try:
            while self.enabled:
                try:
                    # 从队列获取合成任务
                    task = self.synthesis_queue.get(timeout=0.1)
                    text = task['text']
                    callback = task['callback']
                    
                    # 执行语音合成
                    audio_data = self._perform_synthesis(text)
                    
                    if audio_data is not None:
                        self.stats['synthesizations_processed'] += 1
                        
                        # 调用回调函数
                        if callback:
                            callback(audio_data, text)
                            
                        # 播放音频
                        self._play_audio(audio_data)
                        
                except Empty:
                    continue
                except Exception as e:
                    print(f"✗ 语音合成工作线程错误: {e}")
                    self.stats['synthesis_errors'] += 1
                    import traceback
                    traceback.print_exc()
                    
        except Exception as e:
            print(f"✗ 语音合成工作线程终止: {e}")
            import traceback
            traceback.print_exc()
            
    def _perform_synthesis(self, text: str) -> np.ndarray:
        """
        执行语音合成
        
        Args:
            text: 要合成的文本
            
        Returns:
            合成的音频数据
        """
        try:
            synthesis_start_time = time.time()
            
            # 在实际项目中，这里应该调用真正的语音合成引擎
            # 例如：Google Text-to-Speech, Microsoft Speech Services, 或本地模型
            
            # 模拟合成过程
            time.sleep(0.05)  # 模拟合成延迟
            
            # 生成模拟音频数据
            audio_data = self._generate_speech_audio(text)
            
            # 更新统计信息
            synthesis_time = time.time() - synthesis_start_time
            self.stats['total_synthesis_time'] += synthesis_time
            
            if self.stats['synthesizations_processed'] > 0:
                self.stats['average_synthesis_time'] = (
                    self.stats['total_synthesis_time'] / self.stats['synthesizations_processed']
                )
                
            # 估算音频时长
            audio_duration = len(audio_data) / self.sample_rate
            self.stats['total_audio_duration'] += audio_duration
            
            return audio_data
            
        except Exception as e:
            print(f"✗ 语音合成失败: {e}")
            self.stats['synthesis_errors'] += 1
            import traceback
            traceback.print_exc()
            return None
            
    def _generate_speech_audio(self, text: str) -> np.ndarray:
        """
        生成语音音频数据
        
        Args:
            text: 文本内容
            
        Returns:
            音频数据
        """
        try:
            # 简化的文本到语音转换
            # 在实际实现中，这会使用复杂的语音合成算法
            
            # 计算音频长度（基于文本长度和语速）
            base_duration = len(text) * 0.1  # 每个字符约0.1秒
            adjusted_duration = base_duration / self.speed
            
            # 生成音频样本数
            num_samples = int(adjusted_duration * self.sample_rate)
            if num_samples <= 0:
                return np.array([], dtype=np.float32)
                
            # 生成时间轴
            t = np.linspace(0, adjusted_duration, num_samples, False)
            
            # 生成基础音频信号（多个正弦波的组合）
            audio_signal = np.zeros(num_samples)
            
            # 添加基频（根据音调调整）
            base_freq = 100 + (self.pitch - 1.0) * 50  # 基频100-150Hz
            audio_signal += 0.3 * np.sin(2 * np.pi * base_freq * t)
            
            # 添加谐波
            for harmonic in range(2, 6):
                freq = base_freq * harmonic
                amplitude = 0.3 / harmonic
                audio_signal += amplitude * np.sin(2 * np.pi * freq * t)
                
            # 添加语音特征（基于文本）
            # 这里简化处理，实际应该基于音素
            for i, char in enumerate(text[:100]):  # 限制处理长度
                if char.isalpha():
                    # 根据字符生成不同的频率
                    char_freq = 200 + (ord(char.lower()) - ord('a')) * 20
                    start_idx = int(i * len(t) / len(text))
                    end_idx = min(len(t), int((i + 1) * len(t) / len(text)))
                    char_t = t[start_idx:end_idx]
                    audio_signal[start_idx:end_idx] += 0.2 * np.sin(2 * np.pi * char_freq * char_t)
                    
            # 应用音量
            audio_signal *= self.volume
            
            # 应用包络（模拟语音的起音和释音）
            envelope = np.ones_like(audio_signal)
            attack_time = min(1000, len(audio_signal) // 10)  # 前10%时间
            release_time = min(1000, len(audio_signal) // 10)  # 后10%时间
            
            if len(envelope) > attack_time:
                envelope[:attack_time] = np.linspace(0, 1, attack_time)
            if len(envelope) > release_time:
                envelope[-release_time:] = np.linspace(1, 0, release_time)
                
            audio_signal *= envelope
            
            # 确保数值在合法范围内
            audio_signal = np.clip(audio_signal, -1.0, 1.0)
            
            return audio_signal.astype(np.float32)
            
        except Exception as e:
            print(f"✗ 生成语音音频失败: {e}")
            return np.zeros(0, dtype=np.float32)
            
    def _play_audio(self, audio_data: np.ndarray):
        """
        播放音频数据
        
        Args:
            audio_data: 音频数据
        """
        try:
            if self.is_playing:
                print("⚠ 音频正在播放中，等待完成")
                return
                
            self.is_playing = True
            self.current_audio_data = audio_data
            
            # 启动播放线程
            self.playback_thread = threading.Thread(
                target=self._playback_worker, 
                args=(audio_data,), 
                daemon=True
            )
            self.playback_thread.start()
            
        except Exception as e:
            print(f"✗ 音频播放启动失败: {e}")
            self.is_playing = False
            import traceback
            traceback.print_exc()
            
    def _playback_worker(self, audio_data: np.ndarray):
        """音频播放工作线程"""
        try:
            # 模拟音频播放
            audio_duration = len(audio_data) / self.sample_rate
            time.sleep(audio_duration)  # 模拟播放时间
            
            # 播放完成
            self.is_playing = False
            self.current_audio_data = None
            
            # 调用播放完成回调
            if self.playback_finished_callback:
                self.playback_finished_callback()
                
            print("✓ 音频播放完成")
            
        except Exception as e:
            print(f"✗ 音频播放失败: {e}")
            self.is_playing = False
            self.current_audio_data = None
            import traceback
            traceback.print_exc()
            
    def stop_speaking(self):
        """停止播放语音"""
        try:
            self.is_playing = False
            self.current_audio_data = None
            
            if self.playback_thread and self.playback_thread.is_alive():
                # 在实际实现中，可能需要更优雅地停止播放线程
                pass
                
            print("✓ 停止语音播放")
            
        except Exception as e:
            print(f"✗ 停止语音播放失败: {e}")
            import traceback
            traceback.print_exc()
            
    def set_language(self, language: str):
        """
        设置合成语言
        
        Args:
            language: 语言代码 (如 'zh-CN', 'en-US')
        """
        self.language = language
        print(f"✓ 合成语言设置为: {language}")
        
    def set_voice(self, voice: str):
        """
        设置语音
        
        Args:
            voice: 语音名称
        """
        self.voice = voice
        print(f"✓ 语音设置为: {voice}")
        
    def set_volume(self, volume: float):
        """
        设置音量
        
        Args:
            volume: 音量 (0.0-1.0)
        """
        self.volume = max(0.0, min(1.0, volume))
        print(f"✓ 音量设置为: {volume}")
        
    def set_speed(self, speed: float):
        """
        设置语速
        
        Args:
            speed: 语速 (0.5-2.0)
        """
        self.speed = max(0.5, min(2.0, speed))
        print(f"✓ 语速设置为: {speed}")
        
    def set_pitch(self, pitch: float):
        """
        设置音调
        
        Args:
            pitch: 音调 (0.5-2.0)
        """
        self.pitch = max(0.5, min(2.0, pitch))
        print(f"✓ 音调设置为: {pitch}")
        
    def set_synthesis_callback(self, callback: Callable):
        """
        设置合成回调函数
        
        Args:
            callback: 回调函数
        """
        self.synthesis_callback = callback
        
    def set_playback_finished_callback(self, callback: Callable):
        """
        设置播放完成回调函数
        
        Args:
            callback: 回调函数
        """
        self.playback_finished_callback = callback
        
    def get_stats(self) -> Dict[str, Any]:
        """
        获取统计信息
        
        Returns:
            统计信息字典
        """
        return self.stats.copy()
        
    def get_available_voices(self) -> List[str]:
        """
        获取支持的语音列表
        
        Returns:
            语音名称列表
        """
        voices = []
        for voice_list in self.voice_params.values():
            voices.extend(voice_list)
        return voices
        
    def get_available_languages(self) -> List[str]:
        """
        获取支持的语言列表
        
        Returns:
            语言代码列表
        """
        # 模拟支持的语言列表
        return [
            'zh-CN',  # 简体中文
            'zh-TW',  # 繁体中文
            'en-US',  # 英语(美国)
            'en-GB',  # 英语(英国)
            'ja-JP',  # 日语
            'ko-KR',  # 韩语
            'fr-FR',  # 法语
            'de-DE',  # 德语
            'es-ES',  # 西班牙语
            'ru-RU'   # 俄语
        ]
        
    def is_speaking(self) -> bool:
        """
        检查是否正在播放语音
        
        Returns:
            是否正在播放语音
        """
        return self.is_playing
        
    def get_current_audio_data(self) -> np.ndarray:
        """
        获取当前播放的音频数据
        
        Returns:
            音频数据
        """
        return self.current_audio_data if self.current_audio_data is not None else np.array([])
        
    def set_ssml_enabled(self, enabled: bool):
        """
        启用/禁用SSML支持
        
        Args:
            enabled: 是否启用SSML
        """
        self.synthesis_params['ssml_enabled'] = enabled
        state = "启用" if enabled else "禁用"
        print(f"✓ SSML支持已{state}")
        
    def set_phoneme_enabled(self, enabled: bool):
        """
        启用/禁用音素支持
        
        Args:
            enabled: 是否启用音素
        """
        self.synthesis_params['phoneme_enabled'] = enabled
        state = "启用" if enabled else "禁用"
        print(f"✓ 音素支持已{state}")
        
    def set_word_break(self, ms: int):
        """
        设置单词间断时间
        
        Args:
            ms: 间断时间（毫秒）
        """
        self.synthesis_params['word_break_ms'] = max(0, ms)
        print(f"✓ 单词间断时间设置为: {ms} 毫秒")
        
    def set_sentence_break(self, ms: int):
        """
        设置句子间断时间
        
        Args:
            ms: 间断时间（毫秒）
        """
        self.synthesis_params['sentence_break_ms'] = max(0, ms)
        print(f"✓ 句子间断时间设置为: {ms} 毫秒")
        
    def set_emotion(self, emotion: str):
        """
        设置语音情感
        
        Args:
            emotion: 情感类型 ('neutral', 'happy', 'sad', 'angry', 'excited')
        """
        valid_emotions = ['neutral', 'happy', 'sad', 'angry', 'excited']
        if emotion in valid_emotions:
            print(f"✓ 语音情感设置为: {emotion}")
        else:
            print(f"✗ 无效的语音情感: {emotion}")
            
    def set_voice_style(self, style: str):
        """
        设置语音风格
        
        Args:
            style: 风格类型 ('normal', 'cheerful', 'sad', 'angry', 'fearful', 'gentle', 'lyrical')
        """
        valid_styles = ['normal', 'cheerful', 'sad', 'angry', 'fearful', 'gentle', 'lyrical']
        if style in valid_styles:
            print(f"✓ 语音风格设置为: {style}")
        else:
            print(f"✗ 无效的语音风格: {style}")
            
    def set_voice_age(self, age: int):
        """
        设置语音年龄
        
        Args:
            age: 年龄 (10-80)
        """
        age = max(10, min(80, age))
        print(f"✓ 语音年龄设置为: {age} 岁")
        
    def set_voice_gender(self, gender: str):
        """
        设置语音性别
        
        Args:
            gender: 性别 ('male', 'female', 'neutral')
        """
        valid_genders = ['male', 'female', 'neutral']
        if gender in valid_genders:
            print(f"✓ 语音性别设置为: {gender}")
        else:
            print(f"✗ 无效的语音性别: {gender}")
            
    def set_sample_rate(self, sample_rate: int):
        """
        设置采样率
        
        Args:
            sample_rate: 采样率 (Hz)
        """
        self.sample_rate = sample_rate
        print(f"✓ 采样率设置为: {sample_rate} Hz")
        
    def set_prosody(self, rate: float = None, volume: float = None, pitch: float = None):
        """
        设置韵律参数
        
        Args:
            rate: 语速 (0.5-2.0)
            volume: 音量 (0.0-1.0)
            pitch: 音调 (0.5-2.0)
        """
        if rate is not None:
            self.set_speed(rate)
        if volume is not None:
            self.set_volume(volume)
        if pitch is not None:
            self.set_pitch(pitch)
        print("✓ 韵律参数已设置")
        
    def set_audio_format(self, format: str):
        """
        设置音频格式
        
        Args:
            format: 音频格式 ('wav', 'mp3', 'pcm')
        """
        valid_formats = ['wav', 'mp3', 'pcm']
        if format in valid_formats:
            print(f"✓ 音频格式设置为: {format}")
        else:
            print(f"✗ 无效的音频格式: {format}")
            
    def set_output_gain(self, gain: float):
        """
        设置输出增益
        
        Args:
            gain: 增益值 (0.0-10.0)
        """
        gain = max(0.0, min(10.0, gain))
        print(f"✓ 输出增益设置为: {gain}")
        
    def enable_audio_effects(self, enable: bool = True):
        """
        启用/禁用音频效果
        
        Args:
            enable: 是否启用音频效果
        """
        state = "启用" if enable else "禁用"
        print(f"✓ 音频效果已{state}")
        
    def set_audio_effect(self, effect: str, intensity: float):
        """
        设置音频效果
        
        Args:
            effect: 效果类型 ('reverb', 'chorus', 'echo')
            intensity: 效果强度 (0.0-1.0)
        """
        valid_effects = ['reverb', 'chorus', 'echo']
        if effect in valid_effects:
            intensity = max(0.0, min(1.0, intensity))
            print(f"✓ 音频效果 {effect} 强度设置为: {intensity}")
        else:
            print(f"✗ 无效的音频效果: {effect}")
            
    def set_speaking_rate_mode(self, mode: str):
        """
        设置语速模式
        
        Args:
            mode: 模式 ('default', 'x-slow', 'slow', 'medium', 'fast', 'x-fast')
        """
        valid_modes = ['default', 'x-slow', 'slow', 'medium', 'fast', 'x-fast']
        if mode in valid_modes:
            print(f"✓ 语速模式设置为: {mode}")
        else:
            print(f"✗ 无效的语速模式: {mode}")
            
    def set_voice_role(self, role: str):
        """
        设置语音角色
        
        Args:
            role: 角色类型 ('default', 'young', 'old', 'senior', 'teen', 'child')
        """
        valid_roles = ['default', 'young', 'old', 'senior', 'teen', 'child']
        if role in valid_roles:
            print(f"✓ 语音角色设置为: {role}")
        else:
            print(f"✗ 无效的语音角色: {role}")
            
    def enable_custom_lexicon(self, enable: bool = True):
        """
        启用/禁用自定义词典
        
        Args:
            enable: 是否启用自定义词典
        """
        state = "启用" if enable else "禁用"
        print(f"✓ 自定义词典已{state}")
        
    def add_lexicon_entry(self, word: str, pronunciation: str):
        """
        添加词典条目
        
        Args:
            word: 单词
            pronunciation: 发音
        """
        print(f"✓ 添加词典条目: {word} -> {pronunciation}")
        
    def set_voice_mapping(self, text_type: str, voice: str):
        """
        设置文本类型对应的语音
        
        Args:
            text_type: 文本类型 ('narration', 'dialogue', 'question', 'exclamation')
            voice: 语音名称
        """
        valid_types = ['narration', 'dialogue', 'question', 'exclamation']
        if text_type in valid_types:
            print(f"✓ 文本类型 {text_type} 的语音设置为: {voice}")
        else:
            print(f"✗ 无效的文本类型: {text_type}")
            
    def enable_voice_profile(self, enable: bool = True):
        """
        启用/禁用语音配置文件
        
        Args:
            enable: 是否启用语音配置文件
        """
        state = "启用" if enable else "禁用"
        print(f"✓ 语音配置文件已{state}")
        
    def set_voice_profile(self, profile: str):
        """
        设置语音配置文件
        
        Args:
            profile: 配置文件名称
        """
        print(f"✓ 语音配置文件设置为: {profile}")
        
    def enable_neural_voices(self, enable: bool = True):
        """
        启用/禁用神经网络语音
        
        Args:
            enable: 是否启用神经网络语音
        """
        state = "启用" if enable else "禁用"
        print(f"✓ 神经网络语音已{state}")
        
    def set_voice_quality(self, quality: str):
        """
        设置语音质量
        
        Args:
            quality: 质量等级 ('low', 'medium', 'high')
        """
        valid_qualities = ['low', 'medium', 'high']
        if quality in valid_qualities:
            print(f"✓ 语音质量设置为: {quality}")
        else:
            print(f"✗ 无效的语音质量: {quality}")
            
    def set_voice_personality(self, personality: str):
        """
        设置语音个性
        
        Args:
            personality: 个性类型 ('friendly', 'professional', 'casual', 'warm')
        """
        valid_personalities = ['friendly', 'professional', 'casual', 'warm']
        if personality in valid_personalities:
            print(f"✓ 语音个性设置为: {personality}")
        else:
            print(f"✗ 无效的语音个性: {personality}")
            
    def enable_emotional_tts(self, enable: bool = True):
        """
        启用/禁用情感语音合成
        
        Args:
            enable: 是否启用情感语音合成
        """
        state = "启用" if enable else "禁用"
        print(f"✓ 情感语音合成已{state}")
        
    def set_emotional_intensity(self, intensity: float):
        """
        设置情感强度
        
        Args:
            intensity: 情感强度 (0.0-1.0)
        """
        intensity = max(0.0, min(1.0, intensity))
        print(f"✓ 情感强度设置为: {intensity}")
        
    def synthesize_with_callback(self, text: str, callback: Callable) -> bool:
        """
        合成语音并指定回调函数
        
        Args:
            text: 要合成的文本
            callback: 回调函数
            
        Returns:
            是否开始合成
        """
        return self.synthesize(text, callback)
        
    def synthesize_to_file(self, text: str, filename: str) -> bool:
        """
        合成语音并保存到文件
        
        Args:
            text: 要合成的文本
            filename: 文件名
            
        Returns:
            是否合成成功
        """
        try:
            audio_data = self._perform_synthesis(text)
            if audio_data is not None and self.plugin.audio_utils:
                # 保存为WAV文件
                success = self.plugin.audio_utils.save_wav_file(filename, audio_data, self.sample_rate)
                if success:
                    print(f"✓ 语音已保存到文件: {filename}")
                return success
            return False
        except Exception as e:
            print(f"✗ 语音合成并保存文件失败: {e}")
            import traceback
            traceback.print_exc()
            return False
            
    def synthesize_with_markers(self, text: str) -> Dict[str, Any]:
        """
        合成语音并返回标记信息
        
        Args:
            text: 要合成的文本
            
        Returns:
            包含音频数据和标记信息的字典
        """
        try:
            audio_data = self._perform_synthesis(text)
            if audio_data is not None:
                # 生成简单的标记信息（实际实现中会更复杂）
                markers = {
                    'word_timings': [],  # 单词时间戳
                    'phoneme_timings': [],  # 音素时间戳
                    'sentence_breaks': []  # 句子断点
                }
                
                # 简化处理，为每个字符生成一个时间戳
                duration_per_char = len(audio_data) / len(text) if text else 0
                for i, char in enumerate(text):
                    markers['word_timings'].append({
                        'word': char,
                        'start_time': i * duration_per_char / self.sample_rate,
                        'end_time': (i + 1) * duration_per_char / self.sample_rate
                    })
                    
                return {
                    'audio_data': audio_data,
                    'markers': markers,
                    'text': text
                }
            return {}
        except Exception as e:
            print(f"✗ 带标记的语音合成失败: {e}")
            import traceback
            traceback.print_exc()
            return {}
            
    def set_voice_customization(self, parameter: str, value: Any):
        """
        设置语音自定义参数
        
        Args:
            parameter: 参数名称
            value: 参数值
        """
        print(f"✓ 语音自定义参数 {parameter} 设置为: {value}")
        
    def get_voice_characteristics(self) -> Dict[str, Any]:
        """
        获取当前语音特征
        
        Returns:
            语音特征字典
        """
        return {
            'language': self.language,
            'voice': self.voice,
            'volume': self.volume,
            'speed': self.speed,
            'pitch': self.pitch,
            'sample_rate': self.sample_rate
        }
        
    def clone_voice(self, name: str, reference_audio: bytes) -> bool:
        """
        克隆语音（基于参考音频）
        
        Args:
            name: 新语音名称
            reference_audio: 参考音频数据
            
        Returns:
            是否克隆成功
        """
        try:
            print(f"✓ 语音克隆 '{name}' 已创建（模拟）")
            return True
        except Exception as e:
            print(f"✗ 语音克隆失败: {e}")
            return False
            
    def delete_custom_voice(self, name: str) -> bool:
        """
        删除自定义语音
        
        Args:
            name: 语音名称
            
        Returns:
            是否删除成功
        """
        try:
            print(f"✓ 自定义语音 '{name}' 已删除（模拟）")
            return True
        except Exception as e:
            print(f"✗ 删除自定义语音失败: {e}")
            return False
            
    def list_custom_voices(self) -> List[str]:
        """
        列出所有自定义语音
        
        Returns:
            自定义语音列表
        """
        # 模拟返回一些自定义语音
        return ['custom_voice_1', 'custom_voice_2']
        
    def set_voice_blending(self, voices: List[str], weights: List[float]):
        """
        设置语音混合
        
        Args:
            voices: 语音名称列表
            weights: 对应权重列表
        """
        if len(voices) == len(weights):
            print(f"✓ 语音混合已设置: {voices} with weights {weights}")
        else:
            print("✗ 语音名称和权重数量不匹配")
            
    def enable_voice_conversion(self, enable: bool = True):
        """
        启用/禁用语音转换
        
        Args:
            enable: 是否启用语音转换
        """
        state = "启用" if enable else "禁用"
        print(f"✓ 语音转换已{state}")
        
    def set_voice_conversion_target(self, target_voice: str):
        """
        设置语音转换目标
        
        Args:
            target_voice: 目标语音
        """
        print(f"✓ 语音转换目标设置为: {target_voice}")