using SHADE;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SHADE_Scripting.Gameplay.AIBehaviour.AIRework.States
{
    public class AttackState: AIBaseState
    {

        float timer = 0.0f;

        float windupTime = 8.0f / 30.0f;
        float holdTime = 0.3f;
        float seqTime = 8.0f / 30.0f + 0.5f;


        bool windUp = false;
        bool hold = false;
        bool seq = false;

        public AttackState(StateMachine machine): base(machine)
        {

        }


        public override void OnEnter()
        {
            timer = 0.0f;
            animator.PlayOneShot(ai.atkWindupAnim);
            windUp = true;
            hold = false;
            seq = false;
            timer = windupTime;

            RotateToVelocity rotate = machine.GetScript<RotateToVelocity>();
            if (rotate)
                rotate.active = false;

            RigidBody rigid = machine.GetComponent<RigidBody>();
            if(rigid)
            {
                rigid.LinearVelocity = Vector3.Zero;
            }


            ai.attackHitbox.SetActive(false);

        }

        public override void OnExit()
        {
            animator.Stop();
            RotateToVelocity rotate = ai.GetScript<RotateToVelocity>();
            if (rotate)
            {
                rotate.active = true;
                rotate.lookAround = false;
            }

            Transform transform = machine.GetComponent<Transform>();
            AILineOfSight los = machine.GetScript<AILineOfSight>();
            Transform playerTransform = ai.player.GetComponent<Transform>();


            if(los && transform)
            {
                Vector3 direction = playerTransform.GlobalPosition - transform.GlobalPosition;
                Quaternion targetRotation = Quaternion.Euler(0.0f, MathF.Atan2(direction.x, direction.z), 0.0f);
                transform.LocalRotation = targetRotation;

            }
            ai.attackHitbox.SetActive(false);

        }

        public override void update()
        {
            timer -= Time.DeltaTimeF;
            if(windUp)
            {
                if(timer <= 0.0f)
                {
                    windUp = false;
                    hold = true;
                    animator.Play(ai.atkHoldAnim);
                    timer = holdTime;
                    ai.attackHitbox.SetActive(true);
                }
            }
            else if(hold)
            {
                if(timer <= 0.0f)
                {
                    hold = false;
                    seq = true;
                    animator.PlayOneShot(ai.atkSeqAnim);
                    timer = seqTime;
                }
            }
            else if(seq)
            {
                if(timer <= 0.0f)
                {
                    seq = false;

                    AILineOfSight los = ai.GetScript<AILineOfSight>();
                    if(los && los.withinSight)
                    {
                        machine.SetState(typeof(ChaseState));
                    }
                    else
                    {
                        machine.SetState(typeof(TimeoutState));
                    }
                }
            }


        }

        public override void fixedUpdate()
        {
            
        }

    }
}