const { createClient } = require('redis');

/** Fill in the following parameters with your Redis instance's private IP address, port number, instance ID, and password */
const host = "192.xx.xx.2";
const port = "6379";
const instanceid = "c53xx52f-55dc-4c22-a941-630xxx88";
const pwd = "12as6zb";

// Create a Redis client (new version API)
const client = createClient({
  // Use URL format with authentication information
  url: `redis://${encodeURIComponent(instanceid)}:${encodeURIComponent(pwd)}@${host}:${port}`,
  
  // or use separate parameters (choose either one)
  /*
  socket: {
    host: host,
    port: parseInt(port)  // Underwrite the port is a number
  },
  username: instanceid,  // Redis 6.0+ ACL username
  password: pwd,
  */
  
  // other configuration
  pingInterval: 60000, // Keep the connection active
  disableOfflineQueue: true // Disable command caching when offline
});

// Redis connection error handling (event name unchanged in new version)
client.on('error', (err) => {
  console.error('Redis connection error:', err);
});

// Connect to Redis and execute operations
(async () => {
  try {
    // Explicitly establish a connection (new version requirement)
    await client.connect();
    console.log('Redis connected successfully');

    /** Start operating the Redis instance */
    
    // Set a Key (new version API)
    const setResult = await client.set("redis", "tencent");
    console.log(`set key redis ${setResult}, value is tencent`);
    
    // Get Key (new version API)
    const value = await client.get("redis");
    console.log(`get key redis is: ${value}`);
    
  } catch (err) {
    console.error('Redis operation error:', err);
  } finally {
    // Close client when program ends (new version uses quit or disconnect)
    await client.quit(); // or client.disconnect()
    console.log('Redis connection closed');
  }
})();

Redis connected successfully
set key redis OK, value is tencent
get key redis is: tencent
Redis connection closed