using UdonSharp;
using UnityEngine;
using VRC.SDK3.Data;


using UnityEditor;


namespace VRCBoard.Components
{
    [UdonBehaviourSyncMode(BehaviourSyncMode.None)]
    public abstract class VRCBoardBaseComponent : UdonSharpBehaviour
    {
        [HideInInspector] public VRCBoardManager manager;

        protected abstract void OnRegister();
        protected abstract void OnInitialize();
        protected abstract void OnSupporterDataUpdate();
        protected abstract void OnImageDataUpdate();
        protected abstract void OnImageLoaded();
        
        protected internal void _Register(VRCBoardManager _manager)
        {
            manager = _manager;
            OnRegister();
        }

        private bool _imageInitialized;
        private bool _dataInitialized;
        private bool _initialized;
        private void CheckInitialization()
        {
            if (_imageInitialized && _dataInitialized && !_initialized)
            {
                _initialized = true;
                OnInitialize();
                OnImageDataUpdate();
                OnSupporterDataUpdate();
            }
        }
        protected internal void _OnImageInfoUpdate()
        {
            if (_initialized) OnImageDataUpdate();
            else
            {
                _imageInitialized = true;
                CheckInitialization();
            }
            
        }
        protected internal void _OnSupporterDataUpdate()
        {
            if (_initialized) OnSupporterDataUpdate();
            else
            {
                _dataInitialized = true;
                CheckInitialization();
            }
        }

        protected internal void _OnAtlasImageLoaded(int atlasIndex = -1)
        {
            OnImageLoaded();
        }

        private DataDictionary GetImageIdInfo(string imageId) => manager._GetImageIdInfo(imageId);

        internal bool GetImageAtlasTexture(string imageId, string uploader, out Texture2D texture,
            out int position, out int size, out string type) {
            return manager._GetImageAtlasTexture(imageId, uploader, out int atlasIndex, out texture, out position, out size,
                out type);
        }
        
        
        internal string GetRandomUploader(string imageId)
        {
            DataDictionary imageInfo = GetImageIdInfo(imageId);
            if (imageInfo == null) return null;
            bool uploadsSuccess = imageInfo.TryGetValue("uploads", out DataToken uploadsToken);
            if (!uploadsSuccess) return null;
            if (uploadsToken.TokenType != TokenType.DataList) return null;
            DataList uploads = uploadsToken.DataList;
            if (uploads.Count == 0) return null;
            int randomIndex = Random.Range(0, uploads.Count);
            DataDictionary upload = uploads[randomIndex].DataDictionary;
            if (upload == null) return null;
            bool uploaderSuccess = upload.TryGetValue("a", out DataToken uploaderToken);
            if (!uploaderSuccess) return null;
            if (uploaderToken.TokenType != TokenType.String) return null;
            return uploaderToken.String;
        }
        
        internal void RequestImageLoad(string imageId, string uploaderId = "")
        {
            manager._RequestImageLoad(imageId, uploaderId, this);
        }
    }
#if UNITY_EDITOR && !COMPILER_UDONSHARP
    [CustomEditor(typeof(VRCBoardBaseComponent), true)]
    public class VRCBoardBaseComponentEditor : Editor
    {
        public override void OnInspectorGUI()
        {
            if (Application.isPlaying)
            {
                EditorGUILayout.LabelField("Cannot edit a VRCBoard component while in play mode");
                //return;
            }

            base.OnInspectorGUI();
        }
    }
#endif
}