using System;
using SpellBoundAR.SavedAssetsSystem;
using SpellBoundAR.SaveSystem;
using UnityEngine;

namespace SpellBoundAR.CustomTextures
{
    [Serializable]
    public class SavedCustomTexture : ISavedCustomTexture
    {
        public event Action OnSaved;
        public event Action OnDeleted;
        
        public static event Action<SavedCustomTexture> OnAnySaved;
        public static event Action<SavedCustomTexture> OnAnyDeleted;

        public static event Action<SavedCustomTexture> OnAnyTexture2DChanged;
        public static event Action<SavedCustomTexture> OnAnyNameChanged;
        public static event Action<SavedCustomTexture> OnAnyTimestampChanged;

        private const string Texture2DFile = "Texture2D.png";
        private const string NameFile = "Name.txt";
        private const string TimestampFile = "Timestamp.txt";
        
        [SerializeField] private SavedTexture2D savedTexture2D;
        [SerializeField] private SavedString savedName;
        [SerializeField] private SavedString savedTimestamp;

        public PathData PathData { get; private set; }

        public Texture2D Texture2D
        {
            get => savedTexture2D.Texture2D;
            set => savedTexture2D.Texture2D = value;
        }
        
        public string Name
        {
            get => savedName.Value;
            set => savedName.Value = value;
        }

        public string Timestamp
        {
            get => savedTimestamp.Value;
            set => savedTimestamp.Value = value;
        }
        
        public virtual bool Saved => savedTexture2D.Saved || savedName.Saved || savedTimestamp.Saved;

        public virtual void Save()
        {
            savedTexture2D.Save();
            savedName.Save();
            savedTimestamp.Save();
            OnSaved?.Invoke();
            OnAnySaved?.Invoke(this);
        }
        
        public void Delete()
        {
            SaveSystem.SaveSystem.DeleteDirectory(PathData.Directory);
            OnDeleted?.Invoke();
            OnAnyDeleted?.Invoke(this);
        }
        
        public Sprite CreateSprite()
        {
            Texture2D texture2D = Texture2D;
            if (!texture2D) return null;
            Rect rect = new Rect(0, 0, texture2D.width, texture2D.height);
            Vector2 pivot = new Vector2(.5f, .5f);
            Sprite sprite = Sprite.Create(texture2D, rect, pivot);
            sprite.name = PathData.Directory;
            return sprite;
        }

        public SavedCustomTexture(string directory, string name, Texture2D texture2D)
        {
            PathData = new PathData(1, directory, name, FileType.PNG);
            savedTexture2D = new (PathData.Directory, Texture2DFile, texture2D, () => OnAnyTexture2DChanged?.Invoke(this));
            savedName = new (PathData.Directory, NameFile, name, () => OnAnyNameChanged?.Invoke(this));
            savedTimestamp = new(PathData.Directory, TimestampFile, DateTime.Now.ToString("MM-dd-yyyy hh:mm:ss tt"), () => OnAnyTimestampChanged?.Invoke(this));
        }
        
        public SavedCustomTexture(string directory, string name, int width, int height)
        {
            PathData = new PathData(1, directory, name, FileType.PNG);
            Texture2D texture2D = new Texture2D(width, height);
            savedTexture2D = new (PathData.Directory, Texture2DFile, texture2D, () => OnAnyTexture2DChanged?.Invoke(this));
            savedName = new (PathData.Directory, NameFile, PathData.FileName, () => OnAnyNameChanged?.Invoke(this));
            savedTimestamp = new(PathData.Directory, TimestampFile, DateTime.Now.ToString("MM-dd-yyyy hh:mm:ss tt"), () => OnAnyTimestampChanged?.Invoke(this));
        }
    }
}