using Gameplay.Area;
using Gameplay.Common;
using Gameplay.Effect;
using Gameplay.Unit;
using PhxhSDK;
using UnityEngine;
using Constants = Framework.Constants;

namespace Gameplay.Level.Select
{
    public class SelectView
    {

        private GameUnit _selectUnit;
        public GameUnit selectUnit => _selectUnit;
        
        private EffectPlayingData _circleEffect;
        private Transform _groundTrans;
        
        private const int _circleEffectId = 1;

        private int _lastCellIndex = -1;
        
        public void Init()
        {
            _circleEffect = EffectManager.instance.PlayEffectById(_circleEffectId);
            var groundSampleObj = AssetManager.Instance.GetPreLoadResult<GameObject>(PathDefine.SelectView.CHARACTER_SELECT_GROUND_GFX);
            var groundObj = Object.Instantiate(groundSampleObj);
            _groundTrans = groundObj.transform;
            
            _SetActive(false);
        }
        
        private void _SetActive(bool active)
        {
            _circleEffect.SetActive(active);
            _groundTrans.gameObject.SetActive(active);
        }

        public void SetOwner(GameUnit owner)
        {
            if (_selectUnit == owner) return;
            _selectUnit = owner;
            if (_selectUnit == null)
            {
                _SetActive(false);
            }
            else
            {
                _SetActive(true);
                LogicUpdate();
            }
        }
        
        public void LogicUpdate()
        {
            if (_selectUnit == null) return;
            
            // circle 一直跟随
            var pos = _selectUnit.transform.position;
            _circleEffect.transform.position = pos;
            
            // ground 按 cellindex 跟随
            _UpdateGroundEffect();
        }
        
        private void _UpdateGroundEffect()
        {
            var cellIndex = _selectUnit.transData.cellIndex;
            if (cellIndex == _lastCellIndex) return;
            _lastCellIndex = cellIndex;
            var posGround = AreaManager.instance.GetCellPosByIndex(cellIndex);
            _groundTrans.position = posGround;
        }

        public void Dispose()
        {
        }
    }
}