using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using JetBrains.Annotations;
using UnityEditor;
using UnityEngine;

namespace BITKit
{
	public class LocationAdditiveElement : MonoBehaviour
	{
		[SerializeField] private bool useLateUpdate;
		[SerializeField] private LocationAdditive locationAdditive;
		[SerializeField] private Vector3 positionWeight = Vector3.one;
		
		[SerializeReference,SubclassSelector] private IReference autoReference;
		[SerializeReference,SubclassSelector] private IReference nameReference;
		//[SerializeField] private Vector3 rotationAdditive = Vector3.one;
		private Transform Transform;

		private string nameCache;
		private void Start()
		{
			nameCache = nameReference is not null?nameReference.Value:gameObject.name;
			Transform = transform;
			var components = 
				GetComponentsInParent<LocationAdditive>(true)
				.SelectMany(x => x.GetComponentsInChildren<LocationAdditive>(true)).Distinct().ToArray();
			try
			{
				if (!locationAdditive)
					locationAdditive =components
							.First(x => x.autoReference is not null && x.autoReference.Value.Equals(autoReference.Value))!;
			}
			catch (Exception e)
			{
				StringBuilder reportBuilder = new();
				foreach (var x in components)
				{
					reportBuilder.AppendLine(x.autoReference is not null ?  $"{x.autoReference.Value}@{x.transform.name}" : x.name);
				}
				BIT4Log.Log<LocationAdditiveElement>($"找不到对应的LocationAdditive:{autoReference.Value} \n{reportBuilder}");
			}
			
		}

		private void Update()
		{
			if (useLateUpdate) return;
			Tick();
		}

		private void LateUpdate()
		{
			if (!useLateUpdate) return;
			Tick();
		}
		
		private void Tick()
		{
			if (!locationAdditive) return;
			var localPosition = Transform.localPosition;
			
			locationAdditive.AddPosition(Vector3.Scale(localPosition, positionWeight), nameReference?.Value);
			//locationAdditive.AddRotation(Transform.localRotation * Quaternion.Euler(rotationAdditive));
			locationAdditive.AddRotation(Transform.localRotation, nameCache);
		}
	}
}