using UnityEngine;

namespace OnlyScove.Scripts
{
    public class PlayerIdleState : PlayerBaseState
    {
        private readonly int speedHash = Animator.StringToHash("Speed");

        public PlayerIdleState(PlayerStateMachine stateMachine) : base(stateMachine) {}

        public override void Enter()
        {
            stateMachine.Anim.ResetTrigger("Jump");
            stateMachine.Anim.ResetTrigger("Fall");

            stateMachine.Input.OnJumpEvent += OnJump;
            stateMachine.Input.OnDodgeEvent += OnDodge;
            stateMachine.Input.OnCrouchEvent += OnCrouch;
            stateMachine.Input.OnInteractEvent += OnInteract;
        }
        private readonly int speedXHash = Animator.StringToHash("Velocity X");
        private readonly int speedZHash = Animator.StringToHash("Velocity Z");

        public override void Tick(float deltaTime)
        {
            stateMachine.Anim.SetFloat(speedHash, 0f, stateMachine.AnimationDamping, deltaTime);
            stateMachine.Anim.SetFloat(speedXHash, 0f, stateMachine.AnimationDamping, deltaTime);
            stateMachine.Anim.SetFloat(speedZHash, 0f, stateMachine.AnimationDamping, deltaTime);

            if (stateMachine.Input.MoveInput != Vector2.zero)
            {
                stateMachine.SwitchState(new PlayerMoveState(stateMachine));
                return;
            }

            if (stateMachine.IsGrounded && stateMachine.VelocityY < 0)
            {
                stateMachine.VelocityY = -2f;
            }
            else
            {
                stateMachine.VelocityY += Physics.gravity.y * deltaTime;
            }
            
            stateMachine.Controller.Move(new Vector3(0, stateMachine.VelocityY, 0) * deltaTime);
        }

        public override void PhysicsTick(float fixedDeltaTime) {}

        public override void Exit()
        {
            stateMachine.Input.OnJumpEvent -= OnJump;
            stateMachine.Input.OnDodgeEvent -= OnDodge;
            stateMachine.Input.OnCrouchEvent -= OnCrouch;
            stateMachine.Input.OnInteractEvent -= OnInteract;
        }

        private void OnJump()
        {
            if (stateMachine.IsGrounded)
            {
                if (stateMachine.Scanner != null)
                {
                    var hitData = stateMachine.Scanner.ObstacleCheck();
                    if (hitData.forwardHitFound)
                    {
                        stateMachine.SwitchState(new PlayerParkourState(stateMachine));
                        return;
                    }
                }
                stateMachine.SwitchState(new PlayerJumpState(stateMachine, stateMachine.WalkSpeed));
            }
        }
        private void OnDodge() => stateMachine.SwitchState(new PlayerDodgeState(stateMachine));
        private void OnCrouch() => stateMachine.SwitchState(new PlayerCrouchState(stateMachine));
        private void OnInteract() => stateMachine.SwitchState(new PlayerInteractState(stateMachine));
    }
}