using UnityEditor;
using UnityEngine;

namespace Game
{
    public class GridCellView : MonoBehaviour
    {
        private GridCell _cell;
        private float _size;
        private GameObject target;

        public bool IsOccupied => _cell.IsOccupied;

        public void Init(GridCell cell, float size)
        {
            _cell = cell;
            _size = size;
            transform.position = new Vector3((cell.X) * size, 0, (cell.Y) * size);
            transform.localScale = new Vector3(_size, _size, _size);
        }

        public bool Put(GameObject go)
        {
            if (target == null)
            {
                if (go != null)
                {
                    target = go;
                    target.transform.position = transform.position;
                }

                _cell.Enter();
                return true;
            }

            return false;
        }


        public GameObject Take()
        {
            target = null;
            var go = target;
            _cell.Exit();
            return go;
            // if (target != null)
            // {
            //     target = null;
            //     var go = target;
            //     _cell.Exit();
            //     return go;
            // }
            //
            // return null;
        }

        public void DrawGizmos()
        {
            if (_cell.IsOccupied)
                Gizmos.color = Color.red;
            else
                Gizmos.color = Color.green;

            // 获取物体的位置
            Vector3 position = transform.position;

            // 计算方框的四个顶点
            Vector3 topLeft = position + new Vector3(-_size / 2, 0f, _size / 2);
            Vector3 topRight = position + new Vector3(_size / 2, 0f, _size / 2);
            Vector3 bottomLeft = position + new Vector3(-_size / 2, 0f, -_size / 2);
            Vector3 bottomRight = position + new Vector3(_size / 2, 0f, -_size / 2);

            // 绘制方框的四条边
            Gizmos.DrawLine(topLeft, topRight);
            Gizmos.DrawLine(topRight, bottomRight);
            Gizmos.DrawLine(bottomRight, bottomLeft);
            Gizmos.DrawLine(bottomLeft, topLeft);

#if UNITY_EDITOR
            if (_cell.IsOccupied)
            {
                Handles.Label(transform.position, "有");
            }
            else
            {
                Handles.Label(transform.position, "无");
            }
#endif
        }
    }
}