from services.sql_service import SqlService
from mcp.server.fastmcp import FastMCP
from create_logger import logger

# 创建天气MCP服务器
def create_weather_mcp_server():
    # 创建FastMCP实例
    weather_mcp = FastMCP(name="WeatherTools",
                         instructions="天气查询工具，基于 weather_data 表。",
                         log_level="ERROR",
                         host="127.0.0.1", port=8002)

    # 实例化sql查询服务
    service = SqlService("天气查询")

    @weather_mcp.tool(
        name="query_weather",
        description="查询天气数据，输入 SQL，如 'SELECT * FROM weather_data WHERE city = \"北京\" AND fx_date = \"2025-07-30\"'"
    )
    def query_weather(sql: str) -> str:
        logger.info(f"执行天气查询: {sql}")
        return service.execute_query(sql)

    # 打印服务器信息
    logger.info("=== 天气MCP服务器信息 ===")
    logger.info(f"名称: {weather_mcp.name}")
    logger.info(f"描述: {weather_mcp.instructions}")

    # 运行服务器
    try:
        print("服务器已启动，请访问 http://127.0.0.1:8002/mcp")
        weather_mcp.run(transport="streamable-http")  # 使用 streamable-http 传输方式
    except Exception as e:
        print(f"服务器启动失败: {e}")# 创建天气MCP服务器


if __name__ == "__main__":
    create_weather_mcp_server()