using UnityEngine;
using UnityEngine.InputSystem;

namespace BUT
{
    /* Handle Camera's rotation */
    public class CameraMovementOrbital : MonoBehaviour
    {
        [SerializeField]
        float m_SpeedRotation;
        public float SpeedRotation => Mathf.Deg2Rad * m_SpeedRotation * Time.deltaTime;

        [SerializeField]
        Vector2 m_RotationXLimits;

        Vector3 m_CurrentRotation;

        private void Start()
        {
            // init rotation
            m_CurrentRotation = transform.rotation.eulerAngles;
        }


        public void Scroll(InputAction.CallbackContext _context){
          float value = _context.ReadValue<float>(); 
          transform.position += value * transform.forward * Time.deltaTime; 
        }

        // rotate when input received
        public void Rotate(InputAction.CallbackContext _context)
        {
            // add rotation
            m_CurrentRotation.y += _context.ReadValue<Vector2>().x * SpeedRotation;
            m_CurrentRotation.x += -_context.ReadValue<Vector2>().y * SpeedRotation;
            // clamp rotation
            m_CurrentRotation.x = Mathf.Clamp(m_CurrentRotation.x, m_RotationXLimits.x, m_RotationXLimits.y);
            
            // apply rotation
            transform.rotation = Quaternion.Euler(m_CurrentRotation.x, m_CurrentRotation.y, m_CurrentRotation.z);
        }
    }
}