from .DeepSeek.service import DeepSeekService
from .NanoBanana.service import NanoBananaService

def get_model_service(model_name: str):
    """根据模型名称获取对应的服务实例"""
    if model_name.startswith('deepseek-'):
        return DeepSeekService()
    else:
        # 默认使用 Nano Banana 服务 (包括文生图等)
        return NanoBananaService()