using System.Collections;
using UnityEngine;
using UnityEngine.TestTools;
using Unity.Netcode.TestHelpers.Runtime;

namespace Unity.Netcode.RuntimeTests
{
    /// <summary>
    /// This class is for testing general fixes or functionality of NetworkBehaviours
    /// </summary>
    public class NetworkBehaviourGenericTests : NetcodeIntegrationTest
    {
        protected override int NumberOfClients => 0;

        private bool m_AllowServerToStart;

        protected override bool CanStartServerAndClients()
        {
            return m_AllowServerToStart;
        }

        public class SimpleNetworkBehaviour : NetworkBehaviour
        {
        }

        /// <summary>
        /// This test validates a fix to NetworkBehaviour.NetworkObject when
        /// the NetworkManager.LogLevel is set to Developer
        /// Note: This test does not require any clients, but should not impact this
        /// particular test if new tests are added to this class that do require clients
        /// </summary>
        [UnityTest]
        public IEnumerator ValidateNoSpam()
        {
            m_AllowServerToStart = true;
            var objectToTest = new GameObject();
            var simpleNetworkBehaviour = objectToTest.AddComponent<SimpleNetworkBehaviour>();

            // Now just start the Host
            yield return StartServerAndClients();

            // set the log level to developer
            m_ServerNetworkManager.LogLevel = LogLevel.Developer;

            // Verify the warning gets logged under normal conditions
            var isNull = simpleNetworkBehaviour.NetworkObject == null;
            LogAssert.Expect(LogType.Warning, $"[Netcode] Could not get {nameof(NetworkObject)} for the {nameof(NetworkBehaviour)}. Are you missing a {nameof(NetworkObject)} component?");

            var networkObjectToTest = objectToTest.AddComponent<NetworkObject>();
            networkObjectToTest.NetworkManagerOwner = m_ServerNetworkManager;
            networkObjectToTest.Spawn();

            // Assure no log messages are logged when they should not be logged
            isNull = simpleNetworkBehaviour.NetworkObject != null;
            LogAssert.NoUnexpectedReceived();

            networkObjectToTest.Despawn();
            Object.Destroy(networkObjectToTest);
        }
    }
}