using Gameplay.Level;
namespace Gameplay
{
    using UnityEngine;
    
    public static class GroundHitHelper
    {
        
        private static RaycastHit[] _raycastHits = new RaycastHit[10];

        public static int CalcHitCellIndex(Vector2 mousePose)
        {
            var map = LevelManager.Instance.CurrentLevel.Map;
            var camera = Camera.main;
            var ray = camera.ScreenPointToRay(mousePose);
            var layerMask = LayerMask.GetMask("Ground");
            var raycastCount = Physics.RaycastNonAlloc(ray, _raycastHits, 1000, layerMask);
            if (raycastCount > 0)
            {
                var firstHit = _raycastHits[0];
                var hitPoint = firstHit.point;
                if (map.WorldPosition2TGSCellIndex(hitPoint, out var cellIndex))
                {
                    return cellIndex;
                }
            }
            return -1;
        }
        
    }
}