"""服务层模块 - 核心与扩展分离架构"""

# 核心服务
from services.core import (
    create_chat_model,
    get_prompt_manager,
    get_sql_prompt_manager,
    get_template_matcher,
)

# 外部集成
from services.integrations import (
    RagflowClient,
    extract_table_name,
    RagflowSync,
)

# 可选的 Nacos 导入
try:
    from services.integrations import (
        NacosManager,
        NacosConfig,
        ServiceConfig,
        load_nacos_config,
        load_service_config,
    )
except ImportError:
    pass

# 数据存储
from services.storage import (
    get_message_storage,
    MessageStorage,
    get_structured_logger,
    CacheBase,
    NoopCache,
    RedisCache,
)

# 工具服务
from services.tools import ToolRouter

# 基础设施
from services.common import AppError, ErrorCode

__all__ = [
    # 核心服务
    "create_chat_model",
    "get_prompt_manager",
    "get_sql_prompt_manager",
    "get_template_matcher",
    # 外部集成
    "RagflowClient",
    "extract_table_name",
    "RagflowSync",
    # Nacos (可选)
    "NacosManager",
    "NacosConfig",
    "ServiceConfig",
    "load_nacos_config",
    "load_service_config",
    # 数据存储
    "get_message_storage",
    "MessageStorage",
    "get_structured_logger",
    "CacheBase",
    "NoopCache",
    "RedisCache",
    # 工具服务
    "ToolRouter",
    # 基础设施
    "AppError",
    "ErrorCode",
]