using System;
using System.Collections;
using System.Collections.Generic;
using BITFALL.Player.Movement;
using BITFALL.Props;
using BITKit;
using BITKit.Entities;
using Cysharp.Threading.Tasks;
using UnityEditor.UI;
using UnityEngine;

namespace BITFALL.Entities.Player.Movement
{
	[CustomType(typeof(IStunObject))]
	public class PlayerCharacterControllerStun : EntityBehavior,IStunObject
	{
		[Inject] private IEntityMovement _movement;
		[SerializeField] private float breatheFrequency = 0.5f; // 呼吸的频率，值越大呼吸越快
		[SerializeField] private float breatheAmplitude = 0.005f; // 呼吸的幅度，即准星上下移动的最大距离
		[SerializeField] private LocationAdditive viewAdditive;
		[SerializeField] private LocationAdditive inverseAdditive;
		private readonly ValidHandle allow = new();
		public float Weight { get;private set; }
		public event Action<float> OnWeightChanged;
		private readonly IntervalUpdate _resetInterval = new(1f);
		public async void Stun(float distance, float duration)
		{
			Weight = 1;
			OnWeightChanged?.Invoke(Weight);
			_resetInterval.AddDelay(duration);
			var id = Guid.NewGuid().GetHashCode();
			_movement.ExecuteCommand(new PlayerPauseRunCommand(id,true));
			_movement.ExecuteCommand(new PlayerLimitMoveSpeedCommand()
			{
				Id = id,
				Speed =1f,
				Limit = true,
			});
			_movement.ExecuteCommand(new PlayerLimitSensitivityCommand()
			{
				Id = id,
				Sensitivity = 0.1f,
				Limit = true,
			});
			allow.AddElement(id);
			await UniTask.Delay(TimeSpan.FromSeconds(duration));
			if(destroyCancellationToken.IsCancellationRequested) return;
			_movement.ExecuteCommand(new PlayerPauseRunCommand(id,false));
			_movement.ExecuteCommand(new PlayerLimitMoveSpeedCommand()
			{
				Id = id,
				Limit = false,
			});
			_movement.ExecuteCommand(new PlayerLimitSensitivityCommand()
			{
				Id = id,
				Limit = false,
			});
			allow.RemoveElement(id);
		}

		public override void OnUpdate(float deltaTime)
		{
			if (Weight <= 0) return;
			
			if(_resetInterval.AllowUpdateWithoutReset)
			{
				Weight = Mathf.Clamp(Weight -= deltaTime, 0, 1);
				OnWeightChanged?.Invoke(Weight);
			}

			var breatheOffset = Mathf.Sin(Time.time * breatheFrequency) * breatheAmplitude;

			breatheOffset *= Weight;
			if (viewAdditive)
				viewAdditive.AddRotation(Quaternion.Euler(breatheOffset, breatheOffset, 0), nameof(IStunObject));
			if (inverseAdditive)
				inverseAdditive.AddRotation(Quaternion.Euler(-breatheOffset, -breatheOffset, 0), nameof(IStunObject));
		}
	}

}