using System;
using UnityEngine;

public partial class CameraController
{
    private CameraItem[] _switchCameras;
    private int _activeSwitchCamera;

    private void InitSwitchCameras()
    {
#if UNITY_EDITOR
        _switchCameras = Array.FindAll(_cameras, item => item.switchable);
#endif
    }
    
    private void SwitchCamerasTick()
    {
#if UNITY_EDITOR
        if(_switchCameras.Length == 0)
            return;
        
        if (Input.GetKeyDown(KeyCode.V))
            ChangeSwitchCamera();

        
        if (Input.GetKey(KeyCode.LeftShift))
        {
            for (int i = 0; i < _switchCameras.Length; i++)
            {
                if (Input.GetKeyDown(KeyCode.F1 + i))
                {
                    SetSwitchCamera(i);
                }
            }
        }
#endif
    }

    private void ChangeSwitchCamera()
    {
        int nextCameraIndex = _activeSwitchCamera + 1;
        
        if (nextCameraIndex >= _switchCameras.Length)
            nextCameraIndex = 0;

        _activeSwitchCamera = nextCameraIndex;
        
        SetActive(_switchCameras[_activeSwitchCamera]);
    }
    
    private void SetSwitchCamera(int index)
    {
        if (index < 0 || index >= _switchCameras.Length)
            throw new ArgumentOutOfRangeException();

        _activeSwitchCamera = index;
        
        SetActive(_switchCameras[_activeSwitchCamera]);
    }
}