using cfg.CampCfg;
using Cysharp.Threading.Tasks;
using Framework;
using Gameplay.Common;
using PhxhSDK;
using System.Collections;
using System.Collections.Generic;
using TGS;
using UnityEngine;

namespace Gameplay.Camp
{
    public sealed partial class Camp
    {
        /// <summary>
        /// 营地单位集合
        /// </summary>
        private HashSet<CampUnitBase> setUnit;
        /// <summary>
        /// 所有建筑单位
        /// </summary>
        private Dictionary<int, CampUnitBase> dicUnit;

        private void InitUnit()
        {
            setUnit = new HashSet<CampUnitBase>();
            dicUnit = new Dictionary<int, CampUnitBase>();
        }

        private void ExitUnit()
        {
            foreach (CampUnitBase unit in setUnit)
            {
                unit.Dispose();
            }
            setUnit.Clear();

            dicUnit.Clear();
        }

        /// <summary>
        /// 检查能否放置
        /// </summary>
        /// <returns></returns>
        public bool CheckPlace(int cellIndex, params Vector2[] offsets)
        {
            if (!TryGetCellByIndex(cellIndex, out Cell centerCell))
                return false;

            foreach (Vector2 offset in offsets)
            {
                Vector2Int cellPos = GetCellPosByOffset(new Vector2Int(centerCell.row, centerCell.column), offset); ; // 计算格子位置
                if (!dicCellByRowCol.TryGetValue(cellPos, out Cell cell))
                    return false;

                if (!TryGetCellStateByIndex(cell.index, out E_CampCellState cellState))
                    return false;

                if (E_CampCellState.Empty != cellState)
                    return false;
            }

            return true;
        }

        /// <summary>
        /// 放置营地物件
        /// </summary>
        /// <param name="goCampObject"></param>
        /// <param name="gridIndex"></param>
        public void PlaceCampItem(BuildingCampUnit unit)
        {
            #region 设置营地地板状态
            if (!dicCellByIndex.TryGetValue(unit.CellIndex, out Cell centerCell))
                return;

            foreach (Vector2 offset in unit.Cfg.ListPosOffset)
            {
                Vector2Int cellPos = GetCellPosByOffset(new Vector2Int(centerCell.row, centerCell.column), offset);
                if (!dicCellByRowCol.TryGetValue(cellPos, out Cell cell))
                    continue;

                dicCellState[cell.index] = E_CampCellState.Occupancy;
                dicUnit[cell.index] = unit;
            }
            #endregion

            Vector3 pos = GridSystem.CellGetPosition(centerCell.index);
            unit.SetPos(new Vector3(pos.x, 0f, pos.z)); // 设置建筑物位置
            setUnit.Add(unit);
        }

        /// <summary>
        /// 尝试获取已经放置的单位
        /// </summary>
        /// <returns></returns>
        public bool TryGetPlaceUnit(int index, out CampUnitBase campUnitBase)
        {
            if (!dicUnit.TryGetValue(index, out campUnitBase))
                return false;

            return null != campUnitBase;
        }
    }
}