using System;
using System.Collections;
using System.Collections.Generic;
using BITFALL.Entities;
using BITFALL.Player.Movement;
using BITFALL.Props;
using BITKit;
using BITKit.Entities;
using BITKit.Entities.Player;
using BITKit.Events;
using UnityEngine;
using UnityEngine.Rendering;

namespace BITFALL.Feel
{
	public class PlayerGraphics : MonoBehaviour
	{
		[SerializeReference, SubclassSelector] private IPlayerService playerService;

		[SerializeField] private UnityEvent _unityEvent;
		[SerializeField] private UnityEvent playerDeathEvent;
		[SerializeField] private Volume vignettingVolume;
		[SerializeField] private Volume playerFlashVolume;
		[SerializeField] private AnimationCurve vignettingCurve;
		[Inject]
		private IKnockdown _knockdown;
		[Inject]
		private IHealth _health;
		[Inject]
		private IPlayerMovement _playerMovement;

		[Inject] private IStunObject _stunObject;
		private void Start()
		{
			playerService.OnPlayerInitialized += OnPlayerInitialized;
			playerService.OnPlayerDisposed += OnPlayerDisposed;
				
			vignettingVolume.weight = 0;
			playerFlashVolume.weight = 0;
		}

		private void Update()
		{
			if (_playerMovement is not null)
				vignettingVolume.weight = vignettingCurve.Evaluate(_playerMovement.Stamina*0.01f);
		}

		private void OnPlayerDisposed(Entity obj)
		{
			_unityEvent.Invoke(false);
			playerDeathEvent.Invoke(false);
			_playerMovement = null;
			vignettingVolume.weight = 0;
		}

		private void OnDestroy()
		{
			playerService.OnPlayerInitialized -= OnPlayerInitialized;
			playerService.OnPlayerDisposed -= OnPlayerDisposed;
		}

		private void OnPlayerInitialized(Entity obj)
		{
			obj.Inject(this);
			
			_knockdown.OnKnockdown += OnKnockdown;
			_knockdown.OnRevive += OnRevive;
			
			_health.OnSetAlive += OnSetAlive;
			
			_stunObject.OnWeightChanged += OnWeightChanged;

			playerFlashVolume.weight = 0;
		}

		private void OnWeightChanged(float obj)
		{
			playerFlashVolume.weight= obj;	
		}

		private void OnSetAlive(bool obj)
		{
			_unityEvent.Invoke(false);
			playerDeathEvent.Invoke(!obj);
		}

		private void OnRevive()
		{
			_unityEvent.Invoke(false);
		}

		private void OnKnockdown()
		{
			_unityEvent.Invoke(true);
		}
	}

}