using System;
using System.Collections;
using System.Collections.Generic;
using Animancer;
using BITFALL.Player.Movement;
using BITKit.Entities;
using BITKit.StateMachine;
using UnityEngine;

namespace BITFALL.Player.Animation.States
{
	[Serializable]
	public class Climb : PlayerAnimateStates
	{
		public override void OnStateEntry(IState old)
		{
			animationController.animator.Play("Climb");
		}
		public override void OnMovementStateChanged(IEntityMovementState oldState, IEntityMovementState newState)
		{
			if (newState is IPlayerClimbState or IPlayerLinkState { LinkArea: 4 })
			{
				animationController.TransitionState<Climb>();
			}
			else if(Enabled)
			{
				Exit();
			}
		}
	}
	[Serializable]
	public class Vault : PlayerAnimateStates
	{
		[SerializeField] private AnimationClip vaultClip;
	 private	AnimancerState state;
	 private IPlayerVaultState _vaultState;
		public override void OnStateEntry(IState old)
		{
			base.OnStateEntry(old);
			animationController.animancerComponent.Stop();
			state = animationController.animancerComponent.Play(vaultClip);
		}

		public override void OnStateExit(IState old, IState newState)
		{
			state?.Stop();
			base.OnStateExit(old, newState);
			state = null;
		}

		public override void OnStateUpdate(float deltaTime)
		{
			base.OnStateUpdate(deltaTime);
			if (_vaultState.Phase is 1)
				_vaultState.NormalizedTime = state.NormalizedTime;
		}

		public override void OnMovementStateChanged(IEntityMovementState oldState, IEntityMovementState newState)
		{
			if (newState is IPlayerVaultState _state)
			{
				_vaultState = _state;
				animationController.TransitionState<Vault>();
			}
			else if(Enabled)
			{
				Exit();
			}
		}
	}
	[Serializable]
	public class EdgeClimb : PlayerAnimateStates
	{
		[SerializeField] private AnimationClip edgeClimbClip;
		[SerializeField] private AnimationClip climbUpClip;
		private int _phase;
		private AnimancerState state;
		public override void OnStateEntry(IState old)
		{
			base.OnStateEntry(old);
			_phase = -1;
		}

		public override void OnStateExit(IState old, IState newState)
		{
			base.OnStateExit(old, newState);
			state.Stop();
			state = null;
		}

		public override void OnStateUpdate(float deltaTime)
		{
			if(animationController._movement.CurrentState is not IPlayerEdgeClimbState edgeClimbState) return;
			
			if(_phase==edgeClimbState.Phase) return;
			_phase = edgeClimbState.Phase;
			switch (edgeClimbState.Phase)
			{
				case 1:
					state?.Stop();
					state = animationController.animancerComponent.Play(edgeClimbClip);
					break;
				case 2:
					state?.Stop();
					state = animationController.animancerComponent.Play(climbUpClip);
					state.Events.OnEnd = () =>
					{
						state.Events.OnEnd = null;
						edgeClimbState.ManualCancel();
						return;
					};
					break;
			}
		}

		public override void OnMovementStateChanged(IEntityMovementState oldState, IEntityMovementState newState)
		{
			if (newState is IPlayerEdgeClimbState)
			{
				animationController.TransitionState<EdgeClimb>();
			}
			else if(Enabled)
			{
				Exit();
			}
		}
	}
}