using System.Collections.Generic;
using Framework;
using Gameplay.Area;
using Gameplay.Common;
using Gameplay.Unit;
using Gameplay.Utils;
using PhxhSDK;
using UnityEngine;
using Constants = Framework.Constants;
namespace Gameplay.Fight.Capture
{
    public class CaptureInst
    {
        private static readonly int _Prop_Color1 = Shader.PropertyToID("_BaseColor");

        public int cellIndex;

        public int maxCaptureProgress = 10;

        public List<GameUnit> inAreaUnits;

        public float captureProgress;
        
        private bool _lastIsInArea;

        public bool isCaptured { get; private set; }

        private GameObject _displayObj;

        private Material _displayMat;

        private Color _startColor;
        private Color _endColor;
        
        public CaptureInst(int cellIndex, int captureValue)
        {
            maxCaptureProgress = captureValue;
            this.cellIndex = cellIndex;
            inAreaUnits = new List<GameUnit>();
            captureProgress = 0f;
            isCaptured = false;
            var sampleObj = AssetManager.Instance.GetPreLoadResult<GameObject>(PathDefine.CapturePoint.CAPTURE_POINT_PATH);
            _displayObj = Object.Instantiate(sampleObj);
            var worldPos = AreaManager.instance.GetWorldPosByIndex(cellIndex);
            _displayObj.transform.position = worldPos;
            _lastIsInArea = false;

            _startColor = ColorEx.FromStr("#FFFFFF");
            _endColor = ColorEx.FromStr("#D4FF7E");
            _SearchDisplayMat();
        }
        
        private void _SearchDisplayMat()
        {
            var findTrans = _displayObj.transform.GetChild(0);
            var meshRender = findTrans.GetComponent<MeshRenderer>();
            _displayMat = meshRender.material;
            _displayMat.SetColor(_Prop_Color1, _startColor);
        }
        
        public void UpdateInAreaUnits(List<GameUnit> checkUnits)
        {
            if (isCaptured) return;
            inAreaUnits.Clear();
            for (int i = 0; i < checkUnits.Count; i++)
            {
                var unit = checkUnits[i];
                var unitCellIndex = unit.transData.cellIndex;
                if (unitCellIndex != cellIndex) continue;
                inAreaUnits.Add(unit);
            }
        }
        
        public void LogicUpdate(float dt)
        {
            if (isCaptured) return;
            if (inAreaUnits.Count > 0)
            {
                captureProgress += dt * inAreaUnits.Count;
                if (captureProgress >= maxCaptureProgress)
                {
                    isCaptured = true;
                    EventManager.Instance.Send(EventManager.EventName.INFIGHT_CAPTURE_FINSIHED, this);

                    _CreateNoticeOnGround();
                }
                else
                {
                    var lerpValue = captureProgress / maxCaptureProgress;
                    var lerpColor = Color.Lerp(_startColor, _endColor, lerpValue);
                    _displayMat.SetColor(_Prop_Color1, lerpColor);
                }

                if (!_lastIsInArea)
                {
                    _lastIsInArea = true;
                    EventManager.Instance.Send(EventManager.EventName.INFIGHT_CAPTURE_START, this);
                }
            }
            else
            {
                if (_lastIsInArea)
                {
                    _lastIsInArea = false;
                    EventManager.Instance.Send(EventManager.EventName.INFIGHT_CAPTURE_STOP, this);
                }
            }
            
        }

        private void _CreateNoticeOnGround()
        {
            var sampleObj = AssetManager.Instance.GetPreLoadResult<GameObject>(PathDefine.CapturePoint.CAPTURE_FINISHED_POINT_PATH);
            var displayObj = Object.Instantiate(sampleObj);
            var worldPos = _displayObj.transform.position;
            displayObj.transform.position = worldPos;
            _displayObj.Destroy();
            _displayObj = displayObj;
        }

        public void Dispose()
        {
            if (_displayObj != null)
            {
                _displayObj.Destroy();
                _displayObj = null;
            }
        }
    }
}