/*
 * @Author: 白哉
 * @Description:
 * @Date: 2025年06月06日 星期五 19:06:16
 * @Modify:
 */


using System;
using Logic.AI;
using NodeCanvas.Framework;
using ParadoxNotion.Design;
using UnityEngine;


namespace NodeCanvas.Tasks.Actions
{
    [Name("找最近的我方领土目标")]
    [Category("AI节点")]
    [Serializable]
    public class AIParamRecentlySelfTerritoryTarget : BaseActionTask
    {
        protected override string desc 
        {
            get { return string.Format($"找最近的我方领土目标"); }
        }

        protected override void OnExecute() 
        {
            base.OnExecute();
            // 直接从Blackboard获取AICalculatorData
            var data = blackboard.GetVariable<AICalculatorData>("Data");
            if (data?.value?.TargetParam.UnitData == null) 
            {
                EndAction(false);
                return;
            }

            var param = data.value.TargetParam;
            if (!param.MapData.GetGridDataByUnitId(param.UnitData.Id, out var unitGrid))
            {
                EndAction(false);
                return;
            }

            var set = param.MapData.GetPlayerTerritoryGridIdSet(param.PlayerData.Id);
            var minDis = int.MaxValue;
            Vector2Int[] targetPath = null;
            foreach (var gridId in set)
            {
                if (!param.MapData.GridMap.GetGridDataByGid(gridId, out var selfGrid)) continue;
                if (param.MapData.GridMap.CalcDistance(selfGrid, unitGrid) >= minDis) continue;
                var path = PathFinder.FindPath((int)param.MapData.MapConfig.Width, (int)param.MapData.MapConfig.Height,
                    new(unitGrid.Pos.X, unitGrid.Pos.Y), new(selfGrid.Pos.X, selfGrid.Pos.Y), param.MapData,
                    param.PlayerData,param.UnitData);
                if (!path.found) continue;
                if (path.length >= minDis) continue;
                minDis = path.length;
                targetPath = path.path;
            }

            data.value.TargetList.Clear();
            if (targetPath != null)
            {
                for (int i = 1; i < targetPath.Length; i++)
                {
                    if (param.MapData.GridMap.GetGridDataByPos(targetPath[i].x, targetPath[i].y, out var grid) )
                        data.value.TargetList.Add(grid.Id);
                }
            }
            
            EndAction(data.value.TargetList.Count > 0);
        }
    }
}