from typing import Any, Dict
from config import settings

class ConfigManager:
    """统一的配置管理服务，处理全局配置和角色特定配置的优先级"""
    @staticmethod
    def get_config_value(config_key: str, role_config: Dict[str, Any] = None, default_value: Any = None) -> Any:
        """
        获取配置值，遵循优先级：角色配置 > 全局配置 > 默认值
        Args:
            config_key: 配置键名
            role_config: 角色配置字典
            default_value: 默认值，当角色配置和全局配置都没有该键时返回
        """
        if role_config and config_key in role_config:
            return role_config[config_key]
        if hasattr(settings, config_key):
            return getattr(settings, config_key)
        return default_value

    @staticmethod
    def get_service_config(service_type: str, role_config: Dict[str, Any] = None) -> Dict[str, Any]:
        """
        获取服务特定配置，整合角色配置和全局配置
        Args:
            service_type: 服务类型 (asr, llm, tts)
            role_config: 角色配置字典
        """
        config = {}
        config_mapping = {
            'asr': {
                'provider': 'asr_provider',
            },
            'llm': {
                'provider': 'llm_provider',
                'model_id': 'volcano_model_id',
            },
            'tts': {
                'provider': 'tts_provider',
                'voice_type': 'minimax_voice_id',
            }
        }
        for config_key, setting_key in config_mapping.get(service_type, {}).items():
            if setting_key:
                config[config_key] = ConfigManager.get_config_value(setting_key, role_config)
        return config

config_manager = ConfigManager()