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

namespace VRCBoard.Components
{
    [UdonBehaviourSyncMode(BehaviourSyncMode.None)]
    public class VRCBoardImageBasic : VRCBoardBaseComponent
    {
        [Header("Uploader ID (only applies to images of 'shared' or 'instance' type)")]
        public string uploaderIdOverride;
        
        [Header("Image IDs")]
        public string albedoImageId;
        public string emissionImageId;
        public string normalImageId;
        
        [Header("Defaults")]
        public Texture2D defaultAlbedo;
        [ColorUsageAttribute(true,true)] public Color albedoColor = Color.white;
        public Texture2D defaultEmission;
        [ColorUsageAttribute(true,true)] public Color emissionColor = Color.white;
        public Texture2D defaultNormal;
        public float normalIntensity = 1.0f;
        

        private string _mainType = "";
        private string _uploaderId = "";
        
        protected override void OnRegister()
        {
            MaterialPropertyBlock _propertyBlock = new MaterialPropertyBlock();
            Debug.Log("Registering image component");
            if (defaultAlbedo)
                _propertyBlock.SetTexture("_MainTexAtlas", defaultAlbedo);
            
            if (defaultEmission)
                _propertyBlock.SetTexture("_EmissionMapAtlas", defaultEmission);
            
            if (defaultNormal)
                _propertyBlock.SetTexture("_NormalMapAtlas", defaultNormal);
            
            _propertyBlock.SetInteger("_MainTexAtlasIndex", 0);
            _propertyBlock.SetInteger("_MainTexAtlasSize", 1);
            _propertyBlock.SetInteger("_EmissionMapAtlasIndex", 0);
            _propertyBlock.SetInteger("_EmissionMapAtlasSize", 1);
            _propertyBlock.SetInteger("_NormalMapAtlasIndex", 0);
            _propertyBlock.SetInteger("_NormalMapAtlasSize", 1);
            
            _propertyBlock.SetColor("_EmissionColor", emissionColor);
            _propertyBlock.SetFloat("_NormalMapScale", normalIntensity);
            _propertyBlock.SetColor("_MainTexColor", albedoColor);
            
            GetComponent<Renderer>().SetPropertyBlock(_propertyBlock);
        }
        

        private string GetUploader()
        {
            string uploaderId = "";
            if (string.IsNullOrEmpty(uploaderIdOverride))
            {
                GetImageAtlasTexture(albedoImageId, null, out Texture2D albedoTexture, out int albedoAtlasPosition, out int albedoAtlasSize, out string albedoType);
                if (albedoType == null)
                {
                    Debug.LogError("Failed to get image type for albedo image");
                    return "";
                }
                _mainType = albedoType;
                if (_mainType == "shared")
                {
                    uploaderId = GetRandomUploader(albedoImageId);
                }
                else
                {
                    DataDictionary ownerInfo = manager.GetSupporterDataFromPlayer(manager.InstanceOwner);
                    if (ownerInfo == null)
                    {
                        Debug.LogWarning("Failed to get owner info, user has likely not linked their account.");
                        return "";
                    }
                    bool ownerSuccess = ownerInfo.TryGetValue("id", out DataToken ownerToken);
                    if (!ownerSuccess || ownerToken.TokenType != TokenType.String)
                    {
                        Debug.LogWarning("Failed to get owner ID from owner info.");
                        return "";
                    }
                    uploaderId = ownerToken.String;
                }
                
                Debug.Log("image uploader: " + uploaderId);
            } else
            {
                uploaderId = uploaderIdOverride;
            }
            return uploaderId;
        }

        private void TryGetUploader()
        {
            if (!string.IsNullOrEmpty(_uploaderId)) return;
            _uploaderId = GetUploader();
            if (string.IsNullOrEmpty(_uploaderId))
            {
                Debug.LogError("Failed to get uploader ID");
                return;
            }
            RequestImageLoad(albedoImageId, _uploaderId);
            RequestImageLoad(emissionImageId, _uploaderId);
            RequestImageLoad(normalImageId, _uploaderId);
        }
        protected override void OnInitialize()
        {
            TryGetUploader();
        }
        protected override void OnImageDataUpdate()
        {
            TryGetUploader();
        }
        
        protected override void OnSupporterDataUpdate()
        {
            TryGetUploader();
        }

        protected override void OnImageLoaded()
        {
            Debug.Log("Image loaded VRCBoardImage");
            
            Texture2D albedoTexture;
            int albedoAtlasPosition;
            int albedoAtlasSize;
            
            Texture2D emissionTexture;
            int emissionAtlasPosition;
            int emissionAtlasSize;
            
            Texture2D normalTexture;
            int normalAtlasPosition;
            int normalAtlasSize;
            
            bool albedoSuccess = GetImageAtlasTexture(albedoImageId, _uploaderId, out albedoTexture, out albedoAtlasPosition, out albedoAtlasSize, out string type1);
            bool emissionSuccess = GetImageAtlasTexture(emissionImageId, _uploaderId, out emissionTexture, out emissionAtlasPosition, out emissionAtlasSize, out string type2);
            bool normalSuccess = GetImageAtlasTexture(normalImageId, _uploaderId, out normalTexture, out normalAtlasPosition, out normalAtlasSize, out string type3);
            
            MaterialPropertyBlock _propertyBlock = new MaterialPropertyBlock();

            if (albedoSuccess && albedoTexture) {
                _propertyBlock.SetTexture("_MainTexAtlas", albedoTexture);
                _propertyBlock.SetInteger("_MainTexAtlasIndex", albedoAtlasPosition);
                _propertyBlock.SetInteger("_MainTexAtlasSize", albedoAtlasSize);
            }
            else
            {
                return;
            }
            
            if (emissionSuccess && emissionTexture) {
                _propertyBlock.SetTexture("_EmissionMapAtlas", emissionTexture);
                _propertyBlock.SetInteger("_EmissionMapAtlasIndex", emissionAtlasPosition);
                _propertyBlock.SetInteger("_EmissionMapAtlasSize", emissionAtlasSize);
            }
            
            if (normalSuccess && normalTexture) {
                _propertyBlock.SetTexture("_NormalMapAtlas", normalTexture);
                _propertyBlock.SetInteger("_NormalMapAtlasIndex", normalAtlasPosition);
                _propertyBlock.SetInteger("_NormalMapAtlasSize", normalAtlasSize);
            }
            
            _propertyBlock.SetColor("_EmissionColor", emissionColor);
            _propertyBlock.SetFloat("_NormalMapScale", normalIntensity);
            _propertyBlock.SetColor("_MainTexColor", albedoColor);
            
            GetComponent<Renderer>().SetPropertyBlock(_propertyBlock);
        }
    }
}