using UnityEngine;
using System.IO;
#if UNITY_EDITOR
using UnityEditor;
#endif

namespace EasyMotionRecorder
{
    public class SavePathManager : MonoBehaviour
    {
        private static SavePathManager _instance;
        public static SavePathManager Instance
        {
            get
            {
                if (_instance == null)
                {
                    _instance = FindObjectOfType<SavePathManager>();
                    if (_instance == null)
                    {
                        GameObject go = new GameObject("SavePathManager");
                        _instance = go.AddComponent<SavePathManager>();
                        DontDestroyOnLoad(go);
                    }
                }
                return _instance;
            }
        }

        [Header("저장 경로 설정")]
        [SerializeField] private string motionSavePath = "Assets/Resources/Motion";
        [SerializeField] private string facialSavePath = "Assets/Resources/Motion";
        [SerializeField] private string objectSavePath = "Assets/Resources/Motion";
        
        [Header("설정")]
        [SerializeField] private bool createSubdirectories = true;
        
        [Header("자동 출력 옵션")]
        [SerializeField] private bool exportHumanoidOnSave = false;
        [SerializeField] private bool exportGenericOnSave = false;
        public bool ExportHumanoidOnSave => exportHumanoidOnSave;
        public bool ExportGenericOnSave => exportGenericOnSave;
        
        private void Awake()
        {
            if (_instance == null)
            {
                _instance = this;
                DontDestroyOnLoad(gameObject);
                InitializePaths();
            }
            else if (_instance != this)
            {
                Destroy(gameObject);
            }
        }

        private void InitializePaths()
        {
            if (createSubdirectories)
            {
                CreateDirectoryIfNotExists(motionSavePath);
                CreateDirectoryIfNotExists(facialSavePath);
            }
        }

        private void CreateDirectoryIfNotExists(string path)
        {
            if (!Directory.Exists(path))
            {
                Directory.CreateDirectory(path);
#if UNITY_EDITOR
                AssetDatabase.Refresh();
#endif
            }
        }

        public string GetMotionSavePath()
        {
            return motionSavePath;
        }

        public string GetFacialSavePath()
        {
            return motionSavePath; // 모션 경로와 동일하게 설정
        }

        public string GetObjectSavePath()
        {
            return motionSavePath; // 모션 경로와 동일하게 설정
        }

        public void SetMotionSavePath(string path)
        {
            motionSavePath = path;
            if (createSubdirectories)
                CreateDirectoryIfNotExists(path);
        }

        public void SetFacialSavePath(string path)
        {
            facialSavePath = path;
            if (createSubdirectories)
                CreateDirectoryIfNotExists(path);
        }

        public void SetObjectSavePath(string path)
        {
            objectSavePath = path;
            if (createSubdirectories)
                CreateDirectoryIfNotExists(path);
        }

        public void SetCreateSubdirectories(bool create)
        {
            createSubdirectories = create;
            if (create)
            {
                InitializePaths();
            }
        }

        public void ResetToDefaults()
        {
            motionSavePath = "Assets/Resources/Motion";
            facialSavePath = "Assets/Resources/Motion";
            objectSavePath = "Assets/Resources/Motion";
            createSubdirectories = true;
            InitializePaths();
        }

        public void SynchronizePaths()
        {
            // 모든 경로를 모션 경로와 동일하게 설정
            facialSavePath = motionSavePath;
            objectSavePath = motionSavePath;
            if (createSubdirectories)
            {
                InitializePaths();
            }
        }
    }
}