package com.point.strategy.oaDocking.service;

import com.point.strategy.common.SystemProperty;

import java.sql.*;
import java.util.logging.Level;
import java.util.logging.Logger;

public class CityBusinessSystemIntegration {
    private static final Logger LOGGER = Logger.getLogger(CityBusinessSystemIntegration.class.getName());

    private static final String driver = SystemProperty.getKeyValue("cityBusiness.driverClassName", "application.properties");
    private static final String url = SystemProperty.getKeyValue("cityBusiness.url", "application.properties");
    private static final String user = SystemProperty.getKeyValue("cityBusiness.username", "application.properties");
    private static final String password = SystemProperty.getKeyValue("cityBusiness.password", "application.properties");

    // 获取数据库连接
    private static Connection getConnection() throws Exception {
        Class.forName(driver);
        return DriverManager.getConnection(url, user, password);
    }

    // 查询
    public static ResultSet executeQuery(String sql) throws Exception {
        Connection conn = null;
        Statement st = null;
        try {
            conn = getConnection();
            st = conn.createStatement();
            return st.executeQuery(sql);
        } catch (Exception e) {
            LOGGER.log(Level.SEVERE, "执行查询时出错: " + sql, e);
            closeResources(conn, st, null);
            throw e;
        }
    }

    // 修改
    public static int executeUpdate(String sql) throws Exception {
        Connection conn = null;
        Statement st = null;
        try {
            conn = getConnection();
            st = conn.createStatement();
            return st.executeUpdate(sql);
        } catch (Exception e) {
            LOGGER.log(Level.SEVERE, "执行更新时出错: " + sql, e);
            throw e;
        } finally {
            closeResources(conn, st, null);
        }
    }

    // 关闭资源
    public static void closeResources(Connection conn, Statement st, ResultSet rs) {
        try {
            if (rs != null) rs.close();
            if (st != null) st.close();
            if (conn != null) conn.close();
        } catch (Exception e) {
            LOGGER.log(Level.WARNING, "关闭资源时出错", e);
        }
    }
}