using System.Collections;
using UnityEngine;
using UnityEngine.SceneManagement;

public class RaftRestartManager : MonoBehaviour
{
    [Header("References")]
    [SerializeField] private RaftHealth raftHealth;

    [Header("Restart")]
    [SerializeField] private bool restartAutomatically = false;
    [SerializeField] private float autoRestartDelay = 2.0f;

    [Tooltip("키보드 테스트용입니다. VR 버튼 리스타트는 나중에 연결해도 됩니다.")]
    [SerializeField] private KeyCode restartKey = KeyCode.R;

    [Header("Debug")]
    [SerializeField] private bool showDebugLog = true;

    private bool waitingForRestart;
    private Coroutine restartRoutine;

    private void Awake()
    {
        if (raftHealth == null)
            raftHealth = FindFirstObjectByType<RaftHealth>();
    }

    private void OnEnable()
    {
        if (raftHealth != null)
        {
            raftHealth.onDead.AddListener(OnRaftDead);
        }
    }

    private void OnDisable()
    {
        if (raftHealth != null)
        {
            raftHealth.onDead.RemoveListener(OnRaftDead);
        }
    }

    private void Update()
    {
        if (!waitingForRestart)
            return;

#if ENABLE_LEGACY_INPUT_MANAGER
        if (Input.GetKeyDown(restartKey))
        {
            RestartNow();
        }
#endif
    }

    public void OnRaftDead()
    {
        if (waitingForRestart)
            return;

        waitingForRestart = true;

        if (showDebugLog)
        {
            Debug.Log("[RaftRestartManager] 체력 0. 리스타트 대기 상태입니다. R 키 또는 RestartNow 호출로 재시작합니다.");
        }

        if (restartAutomatically)
        {
            if (restartRoutine != null)
                StopCoroutine(restartRoutine);

            restartRoutine = StartCoroutine(AutoRestartRoutine());
        }
    }

    private IEnumerator AutoRestartRoutine()
    {
        yield return new WaitForSeconds(autoRestartDelay);
        RestartNow();
    }

    public void RestartNow()
    {
        if (showDebugLog)
        {
            Debug.Log("[RaftRestartManager] 현재 씬을 다시 시작합니다.");
        }

        Time.timeScale = 1f;

        Scene currentScene = SceneManager.GetActiveScene();
        SceneManager.LoadScene(currentScene.buildIndex);
    }
}