using System.Collections.Generic;
using System.Linq;
using Unity.VisualScripting;
using UnityEngine;

public class CameraController : MonoBehaviour
{
    private float camTargetRotation = 0;
    private bool isCamRotating = false;
    
    public Transform playerCamHome;

    private void Update()
    {
        HandleCamRotation();
    }

    /// <summary>
    /// Trigger cam rotation
    /// </summary>
    public void RotateCam()
    {
        if (!isCamRotating)
        {
            float currentY = playerCamHome.transform.rotation.eulerAngles.y;
            camTargetRotation = currentY + 90f;
            isCamRotating = true;
        }
    }

    /// <summary>
    /// Move cam to desired rotation (every frame)
    /// </summary>
    void HandleCamRotation()
    {
        float currentY = playerCamHome.transform.rotation.eulerAngles.y;

        float step = 200 * Time.deltaTime;

        float newY = Mathf.MoveTowardsAngle(currentY, camTargetRotation, step);

        playerCamHome.RotateAround(
            transform.position,
            Vector3.up,
            newY - currentY
        );

        if (Mathf.Abs(Mathf.DeltaAngle(newY, camTargetRotation)) < 0.01f)
        {
            isCamRotating = false;
        }
    }
}