#nullable enable

using Cysharp.Threading.Tasks;
using System;
using System.Threading;
using UnityEngine;

namespace UVC.Sample.Data
{
    /// <summary>
    /// Data 모듈 샘플 실행기입니다.
    /// Inspector의 각 토글을 체크하고 [샘플 실행] 버튼을 클릭하거나 Play 시 자동 실행합니다.
    /// Console 창에서 [OK] / [FAIL] 로그로 결과를 확인하세요.
    /// </summary>
    public class DataSampleRunner : MonoBehaviour
    {
        [Header("실행할 샘플 선택")]
        [SerializeField] private bool _runDataArray = true;
        [SerializeField] private bool _runDataObject = true;
        [SerializeField] private bool _runDataMapper = true;
        [SerializeField] private bool _runHttpDataFetcher = true;
        [SerializeField] private bool _runMqttDataReceiver = false;

        [Header("Play 시 자동 실행")]
        [SerializeField] private bool _autoRunOnPlay = false;

        private CancellationTokenSource? _cts;

        private void Start()
        {
            if (_autoRunOnPlay)
                RunSamplesAsync().Forget(ex => Debug.LogError(ex));
        }

        private void OnDestroy()
        {
            _cts?.Cancel();
            _cts?.Dispose();
        }

        /// <summary>
        /// 선택된 샘플을 순서대로 실행합니다.
        /// Inspector Context Menu 또는 코드에서 호출하세요.
        /// </summary>
        [ContextMenu("샘플 실행")]
        public void RunSamples()
        {
            RunSamplesAsync().Forget(ex => Debug.LogError(ex));
        }

        private async UniTask RunSamplesAsync()
        {
            _cts?.Cancel();
            _cts?.Dispose();
            _cts = new CancellationTokenSource();
            var ct = _cts.Token;

            Debug.Log("========== Data 샘플 실행 시작 ==========");

            try
            {
                if (_runDataArray)
                {
                    await UniTask.SwitchToMainThread(ct);
                    new DataArrayTests().RunAll();
                }

                if (_runDataObject)
                {
                    await UniTask.SwitchToMainThread(ct);
                    new DataObjectTests().RunAll();
                }

                if (_runDataMapper)
                {
                    await UniTask.SwitchToMainThread(ct);
                    new DataMapperTests().RunAll();
                }

                if (_runHttpDataFetcher)
                {
                    await UniTask.SwitchToMainThread(ct);
                    var httpTests = new HttpDataFetcherTests();
                    await httpTests.RunAll();
                }

                if (_runMqttDataReceiver)
                {
                    await UniTask.SwitchToMainThread(ct);
                    var mqttTests = new MqttDataReceiverTests();
                    await mqttTests.RunAll();
                    mqttTests.TearDown();
                }
            }
            catch (OperationCanceledException)
            {
                Debug.Log("샘플 실행이 취소되었습니다.");
            }
            catch (Exception ex)
            {
                Debug.LogError($"샘플 실행 중 오류 발생: {ex.Message}");
            }

            Debug.Log("========== Data 샘플 실행 완료 ==========");
        }
    }
}