using UnityEngine;
using UnityEngine.InputSystem;

namespace Player.Movement
{
    public partial class PlayerMovementController
    {
        public bool IsSliding { get; private set; }

        private float _originalFrictionCoefficient;
        private bool successfulSlide = false;

        private void SlideEnd(InputAction.CallbackContext obj)
        {
            StopSlide();
        }

        private void SlideSpeedCheck()
        {
            if (!IsSliding) return;
            if (_rigidbody.velocity.magnitude < 1.5f)
            {
                StopSlide();
            }
        }

        private void StopSlide()
        {
            if (!successfulSlide) return;
            successfulSlide = false;

            IsSliding = false;
            frictionCoefficient = _originalFrictionCoefficient;
        }

        private bool DeadSlideCheck()
        {
            var playerMovementInput = moveAction.action.ReadValue<Vector2>();
            var playerVel = _rigidbody.velocity.magnitude;
            if (playerVel < maxMovementSpeed / 2) return true;

            var cameraRotationVector = playerCameraController.CameraRotationVector;
            cameraRotationVector = new Vector2(0, cameraRotationVector.y);
            var cameraRotation = Quaternion.Euler(cameraRotationVector);

            var movementDirection = new Vector3(playerMovementInput.x, 0, playerMovementInput.y);

            var desiredMovementDirection = cameraRotation * movementDirection;
            return Vector3.Dot(_rigidbody.velocity.normalized, desiredMovementDirection.normalized) < 0.71f;
        }

        private void SlideStart(InputAction.CallbackContext obj)
        {
            if (!IsGrounded) return;

            successfulSlide = true;
            IsSliding = true;

            _originalFrictionCoefficient = frictionCoefficient;
            frictionCoefficient = slideFrictionCoefficient;

            // dead slide
            if (DeadSlideCheck()) return;

            var diff = Mathf.Max(slideSpeed - _rigidbody.velocity.magnitude, 0);

            var force = _rigidbody.velocity.normalized * diff;
            force.y = 0;

            _rigidbody.AddForce(force, ForceMode.Impulse);
        }
    }
}