using UnityEngine;

namespace OnlyScove.Scripts
{
    public class PlayerMoveState : PlayerBaseState
    {
        public PlayerMoveState(PlayerStateMachine stateMachine) : base(stateMachine) {}

        public override void Enter()
        {
            stateMachine.AnimationHandler.SafeResetTrigger("Jump"); 
            stateMachine.AnimationHandler.SafeResetTrigger("Fall");
            stateMachine.AnimationHandler.ForceLocomotion();

            stateMachine.Input.OnDodgeEvent += OnDodge;
            stateMachine.Input.OnCrouchEvent += OnCrouch;
            stateMachine.Input.OnInteractEvent += OnInteract;
        }

        public override void Tick(float deltaTime)
        {
            Vector2 input = stateMachine.MoveInput;
            float moveAmount = Mathf.Clamp01(Mathf.Abs(input.x) + Mathf.Abs(input.y));

            if (moveAmount <= 0.01f)
            {
                stateMachine.SwitchState(new PlayerIdleState(stateMachine));
                return;
            }

            if (stateMachine.IsSprintHeld)
            {
                stateMachine.SwitchState(new PlayerDashState(stateMachine));
                return;
            }

            Vector3 inputDir = new Vector3(input.x, 0, input.y).normalized;
            Vector3 moveDirection = stateMachine.CameraRotation * inputDir;
            moveDirection.y = 0;
            moveDirection.Normalize();

            Vector3 velocity = moveDirection * stateMachine.WalkSpeed;
            
            if (stateMachine.IsGrounded && stateMachine.VelocityY < 0)
            {
                stateMachine.VelocityY = -2f;
            }
            else
            {
                stateMachine.VelocityY += stateMachine.Gravity * deltaTime;
            }
            velocity.y = stateMachine.VelocityY;

            stateMachine.Move(velocity, 0.7f, deltaTime);
            stateMachine.Rotate(moveDirection, deltaTime);
        }

        public override void PhysicsTick(float fixedDeltaTime) {}

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

        private void OnDodge() => stateMachine.SwitchState(new PlayerDodgeState(stateMachine));
        private void OnCrouch() => stateMachine.SwitchState(new PlayerCrouchState(stateMachine));
        private void OnInteract() => stateMachine.SwitchState(new PlayerInteractState(stateMachine));
    }
}