class MainActivity : AppCompatActivity() {

    class MyWebSocketClient(serverUri: URI) : WebSocketClient(serverUri) {

        override fun onOpen(handshakedata: ServerHandshake?) {
            println("✅ Connectat al servidor")
            println("🔗 Codi d'estat: ${handshakedata?.httpStatus}")
            println("📝 Descripció: ${handshakedata?.httpStatusMessage}")
        }

        override fun onMessage(message: String?) {
            println("📥 Rebut: $message")
        }

        override fun onClose(code: Int, reason: String?, remote: Boolean) {
            println("🔌 Connexió tancada")
            println("📋 Codi: $code, Raó: $reason, Remote: $remote")
        }

        override fun onError(ex: Exception?) {
            println("❌ Error: ${ex?.message}")
            ex?.printStackTrace()
        }
    }

    fun connectaWS() {
        val uri = URI("ws://server.domini.tld") // utilitzeu wss:// si va sobre HTTPS
        var wsclient = MyWebSocketClient(uri)
        wsclient.connect()
    }
}