# 智能音箱配置管理

import os
from dotenv import load_dotenv

load_dotenv()

class Config:
    """所有配置项"""

    # ===== ASR =====
    ASR_PROVIDER = os.getenv('ASR_PROVIDER', 'openai_whisper')
    OPENAI_API_KEY = os.getenv('OPENAI_API_KEY', '')
    OPENAI_BASE_URL = os.getenv('OPENAI_BASE_URL', 'https://api.openai.com/v1')

    # ===== LLM =====
    LLM_PROVIDER = os.getenv('LLM_PROVIDER', 'deepseek')
    LLM_API_KEY = os.getenv('LLM_API_KEY', '')
    LLM_BASE_URL = os.getenv('LLM_BASE_URL', 'https://api.deepseek.com/v1')
    LLM_MODEL = os.getenv('LLM_MODEL', 'deepseek-chat')

    # ===== TTS（核心：你的服务）⭐ =====
    TTS_BASE_URL = os.getenv('TTS_BASE_URL', 'http://localhost:3000')
    TTS_API_KEY = os.getenv('TTS_API_KEY', '')
    TTS_VOICE_ID = os.getenv('TTS_VOICE_ID', 'female-shaonv')
    TTS_VOICE_NAME = os.getenv('TTS_VOICE_NAME', '温柔女声')

    # ===== 音频 =====
    AUDIO_SAMPLE_RATE = int(os.getenv('AUDIO_SAMPLE_RATE', '16000'))
    AUDIO_CHANNELS = int(os.getenv('AUDIO_CHANNELS', '1'))
    AUDIO_FORMAT = os.getenv('AUDIO_FORMAT', 'wav')
    MAX_RECORD_SECONDS = int(os.getenv('MAX_RECORD_SECONDS', '10'))
    SILENCE_THRESHOLD = int(os.getenv('SILENCE_THRESHOLD', '500'))
    SILENCE_DURATION_MS = int(os.getenv('SILENCE_DURATION_MS', '800'))

    # ===== 系统提示词 =====
    SYSTEM_PROMPT = os.getenv(
        'SYSTEM_PROMPT',
        '你是配音侠，一个友好的 AI 助手。请用简短的中文回复（不超过 50 字）。'
    )

    @classmethod
    def validate(cls):
        """验证必要配置"""
        errors = []

        if cls.ASR_PROVIDER == 'openai_whisper' and not cls.OPENAI_API_KEY:
            errors.append('缺少 OPENAI_API_KEY')

        if not cls.LLM_API_KEY:
            errors.append('缺少 LLM_API_KEY')

        if not cls.TTS_BASE_URL:
            errors.append('缺少 TTS_BASE_URL')

        if errors:
            raise ValueError('配置错误：\n  ' + '\n  '.join(errors))

        return True


if __name__ == '__main__':
    try:
        Config.validate()
        print('✅ 配置验证通过')
        print(f'  ASR: {Config.ASR_PROVIDER}')
        print(f'  LLM: {Config.LLM_PROVIDER} / {Config.LLM_MODEL}')
        print(f'  TTS: {Config.TTS_BASE_URL}')
    except ValueError as e:
        print(f'❌ {e}')
        print('请检查 .env 文件配置')