using NUnit.Framework;
using System;
using System.Collections.Generic;
using System.Reflection;
using UnityEngine;
using UnityEngine.UI;
using WI;
using WI.UI;
using XED.UI;
using XED.Attributes;
using TMPro;

namespace XED.UI
{
    public class Panel_PropertyViewer : PanelBase
    {
        Button Button_Close;
        TextMeshProUGUI Text_ObjectName;
        VerticalLayoutGroup Content;

        UI_PropertyViewerInfo infoPrefab;
        TwinObject selectedObject;

        Dictionary<UI_PropertyViewerInfo, FieldInfo> infos = new();

        public override void AfterAwake()
        {
            Button_Close.onClick.AddListener(Deactivate);

            infoPrefab = Resources.Load<UI_PropertyViewerInfo>("Prefabs/UI/PRF_PropertyViewerInfo");
        }

        private void Update()
        {
            UpdateData();
        }

        public void Activate(RaycastHit hit, Component component)
        {
            selectedObject = hit.collider.GetComponent<TwinObject>();

            if (selectedObject == null)
                return;

            Text_ObjectName.text = selectedObject.gameObject.name + " (" + selectedObject.GetType().Name + ")";

            CreateInfos();
            gameObject.SetActive(true);
        }

        public void Deactivate()
        {
            gameObject.SetActive(false);
        }

        void CreateInfos()
        {
            var type = selectedObject.GetType();
            FieldInfo[] fields = type.GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Static | BindingFlags.Instance);

            foreach (UI_PropertyViewerInfo info in infos.Keys)
            {
                Destroy(info.gameObject);
            }
            infos.Clear();

            foreach (FieldInfo field in fields)
            {
                PropertyVisibleAttribute attr = field.GetCustomAttribute<PropertyVisibleAttribute>();

                if (attr == null || !attr.IsVisible)
                    continue;

                var info = Instantiate(infoPrefab, Content.transform);
                infos.Add(info,field);
                info.Activate(field, selectedObject);
            }
        }

        void UpdateData()
        {
            foreach (UI_PropertyViewerInfo info in infos.Keys)
            {
                info.Activate(infos[info], selectedObject);
            }
        }

    }
}