using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using KairoEngine.Core;
using KairoEngine.Core.ModuleSystem;
using Sirenix.OdinInspector;

namespace KairoEngine.UI
{
    [Serializable, HideReferenceObjectPicker, Toggle("enableModule")]
    public class UiSystemModule : GameModuleBase
    {
        public override string name => "UI Module";

        [InlineEditor(InlineEditorObjectFieldModes.Boxed), LabelText("UI Library"), NonSerialized, ShowInInspector] 
        public UiSystemLibrary library;

        public UiSystemModule(GameConfig config) : base(config)
        {
            this.gameConfig = config;
            this.className = this.GetType().AssemblyQualifiedName;
            this.typeName = "UiSystemModule";
            this.enableModule = true;
        } 

        public override void Load(Transform parent)
        {
            Transform uiParent = CreateUiManager(parent);
        }

        public override void Reset()
        {
            library = null;
        }

        public override void Destroy()
        {
            
        }

        private Transform CreateUiManager(Transform parent)
        {
            Transform UiTransform = parent.Find("UI");
            GameObject uiObj;
            if(UiTransform == null) 
            {
                uiObj = new GameObject();
                uiObj.transform.position = new Vector3();
                uiObj.transform.rotation = Quaternion.identity;
                uiObj.transform.parent = parent;
                uiObj.name = "UI";
            }
            else uiObj = UiTransform.gameObject;
            uiObj.AddComponent<UiManager>();
            if(library != null) library.Load(uiObj.transform);
            return uiObj.transform;
        }

        public static UiSystemModule JSONToUiSystemModule(string data)
        {
            try
            {
                return JsonUtility.FromJson<UiSystemModule>(data);
            }
            catch (System.Exception e)
            {
                Debug.LogError($"Could not deserialize UiSystemModule: \n{e}");
                return new UiSystemModule(null);
            }
        }

        public override void OnBeforeSerialize(ObjectSerializer serializer) 
        { 
            if(library != null) serializer.AddScriptableObject("UiModule_UiSystemLibrary", library);
        }

        public override void OnBeforeDeserialize(ObjectSerializer serializer) 
        { 
            library = (UiSystemLibrary)serializer.GetScriptableObject("UiModule_UiSystemLibrary");
        }
    }
}