WhaleAdventure_VR/Assets/02_Scripts/Managers/change room manager/RandomSceneRouteManager.cs

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

public class RandomSceneRouteManager : MonoBehaviour
{
    public static RandomSceneRouteManager Instance;

    [Header("랜덤으로 이동할 방 Scene 이름들")]
    [SerializeField] private string[] roomSceneNames;

    [Header("모든 방 방문 후 이동할 마지막 Scene 이름")]
    [SerializeField] private string finalSceneName;

    private readonly HashSet<string> visitedScenes = new HashSet<string>();

    private string nextSceneCode1 = "";
    private string nextSceneCode2 = "";
    private string nextSceneName1 = "";
    private string nextSceneName2 = "";

    private void Awake()
    {
        if (Instance == null)
        {
            Instance = this;
            DontDestroyOnLoad(gameObject);
            SceneManager.sceneLoaded += OnSceneLoaded;
        }
        else
        {
            Destroy(gameObject);
        }
    }

    private void OnDestroy()
    {
        if (Instance == this)
        {
            SceneManager.sceneLoaded -= OnSceneLoaded;
        }
    }

    private void OnSceneLoaded(Scene scene, LoadSceneMode mode)
    {
        string loadedSceneName = scene.name.Trim();

        if (IsRoomScene(loadedSceneName))
        {
            visitedScenes.Add(loadedSceneName);
            Debug.Log("방문 처리된 씬: " + loadedSceneName);
        }
    }

    public void PrepareNextSceneChoices()
    {
        string currentSceneName = SceneManager.GetActiveScene().name.Trim();

        if (IsRoomScene(currentSceneName))
        {
            visitedScenes.Add(currentSceneName);
        }

        List<string> candidates = new List<string>();

        foreach (string sceneName in roomSceneNames)
        {
            if (string.IsNullOrWhiteSpace(sceneName))
                continue;

            string cleanSceneName = sceneName.Trim();

            // 현재 방은 선택지에서 제외
            if (cleanSceneName == currentSceneName)
                continue;

            // 이미 방문한 방도 제외
            if (visitedScenes.Contains(cleanSceneName))
                continue;

            candidates.Add(cleanSceneName);
        }

        Shuffle(candidates);

        nextSceneCode1 = "";
        nextSceneCode2 = "";
        nextSceneName1 = "";
        nextSceneName2 = "";

        // 남은 방이 2개 이상이면 방 2개 선택지 표시
        if (candidates.Count >= 2)
        {
            nextSceneCode1 = candidates[0];
            nextSceneName1 = GetDisplayName(nextSceneCode1);

            nextSceneCode2 = candidates[1];
            nextSceneName2 = GetDisplayName(nextSceneCode2);
        }
        // 남은 방이 1개면 그 방만 표시
        else if (candidates.Count == 1)
        {
            nextSceneCode1 = candidates[0];
            nextSceneName1 = GetDisplayName(nextSceneCode1);

            // 중요: 마지막 방이 남아있을 때는 제페토 방을 선택지 2로 넣지 않음
            nextSceneCode2 = "";
            nextSceneName2 = "";
        }
        // 남은 방이 0개면 그때만 제페토 방 표시
        else
        {
            if (!string.IsNullOrWhiteSpace(finalSceneName))
            {
                nextSceneCode1 = finalSceneName.Trim();
                nextSceneName1 = GetDisplayName(nextSceneCode1);

                nextSceneCode2 = "";
                nextSceneName2 = "";
            }
            else
            {
                Debug.LogWarning("이동 가능한 다음 씬이 없습니다.");
            }
        }

        Debug.Log("현재 씬: " + currentSceneName);
        Debug.Log("방문한 씬 수: " + visitedScenes.Count);
        Debug.Log("선택지 1: " + nextSceneName1 + " / " + nextSceneCode1);
        Debug.Log("선택지 2: " + nextSceneName2 + " / " + nextSceneCode2);
    }

    public string GetNextSceneName1()
    {
        return nextSceneName1;
    }

    public string GetNextSceneCode1()
    {
        return nextSceneCode1;
    }

    public string GetNextSceneName2()
    {
        return nextSceneName2;
    }

    public string GetNextSceneCode2()
    {
        return nextSceneCode2;
    }

    public string GetNextSceneName()
    {
        PrepareNextSceneChoices();

        if (!string.IsNullOrEmpty(nextSceneCode1))
            return nextSceneCode1;

        return string.Empty;
    }

    public void RequestRandomSceneChange()
    {
        string nextSceneName = GetNextSceneName();

        if (string.IsNullOrEmpty(nextSceneName))
        {
            Debug.LogWarning("이동할 다음 씬 이름이 비어있습니다.");
            return;
        }

        SceneLoadManager loadManager = FindFirstObjectByType<SceneLoadManager>();

        if (loadManager != null)
        {
            Debug.Log("랜덤 씬 이동 요청: " + nextSceneName);
            loadManager.RequestSceneChange(nextSceneName);
        }
        else
        {
            Debug.LogWarning("SceneLoadManager가 없어서 바로 씬 이동합니다: " + nextSceneName);
            SceneManager.LoadScene(nextSceneName);
        }
    }

    public void ResetRoute()
    {
        visitedScenes.Clear();

        nextSceneCode1 = "";
        nextSceneCode2 = "";
        nextSceneName1 = "";
        nextSceneName2 = "";

        Debug.Log("랜덤 방 방문 기록 초기화");
    }

    private void Shuffle(List<string> list)
    {
        for (int i = 0; i < list.Count; i++)
        {
            int randomIndex = Random.Range(i, list.Count);
            string temp = list[i];
            list[i] = list[randomIndex];
            list[randomIndex] = temp;
        }
    }

    private string GetDisplayName(string sceneName)
    {
        switch (sceneName)
        {
            case "blackjack":
                return "블랙잭";

            case "CatsRoom":
                return "캣룸";

            case "MazeRoom":
                return "미로방";

            case "Cave_Test_2":
                return "동굴방";

            case "Gepto first":
                return "제페토";

            default:
                return sceneName;
        }
    }

    private bool IsRoomScene(string sceneName)
    {
        foreach (string roomSceneName in roomSceneNames)
        {
            if (string.IsNullOrWhiteSpace(roomSceneName))
                continue;

            if (roomSceneName.Trim() == sceneName.Trim())
                return true;
        }

        return false;
    }
}