using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Gameplay.Common.Attri;

namespace Gameplay.Unit.Data
{
    using Framework;
    using Gameplay.Level;
    using UnityEngine;

    public class UnitTransData
    {

        public readonly GameUnit owner;


        [HideFightDebug]
        private bool _isTransChanged = false;
        public bool isTransChanged
        {
            get
            {
                return _isTransChanged;
            }
        }

        [HideFightDebug]
        private bool _isCellChanged = false;
        public bool isCellChanged
        {
            get
            {
                return _isCellChanged;
            }
        }

        [HideFightDebug]
        private Vector3 _pos;
        public Vector3 pos
        {
            get
            {
                return _pos;
            }
            set
            {
                _SetPos(value);
            }
        }

        [HideFightDebug]
        private Quaternion _rot;
        public Quaternion rot
        {
            get
            {
                return _rot;
            }
        }

        [HideFightDebug]
        private float _yaw;
        public float yaw
        {
            get
            {
                return _yaw;
            }
            set
            {
                _SetYaw(value);
            }
        }

        public int cellIndex
        {
            [FightDebug("当前格子索引")]
            get;
            private set;
        }

        public int lastCellIndex
        {
            [HideFightDebug]
            get;
            private set;
        }

        [HideFightDebug]
        public bool disableEvent = false;

        public UnitTransData(GameUnit unit)
        {
            owner = unit;
            cellIndex = -1;
            lastCellIndex = -1;
            _pos = Vector3.zero;
            _rot = Quaternion.identity;
            _yaw = 0;
        }

        private void _SetYaw(float newYaw)
        {
            _yaw = newYaw;
            _rot = Quaternion.Euler(0, _yaw, 0);
            _isTransChanged = true;
        }

        private void _SetPos(Vector3 newPos)
        {
            _pos = newPos;
            _isTransChanged = true;
            var newCellIndex = _GetCellIndex(newPos);
            if (newCellIndex != cellIndex)
            {
                lastCellIndex = cellIndex;
                // DebugUtil.LogFormat("player cellIndex 发生改变: old:{0}, new:{1}", cellIndex, newCellIndex);
                cellIndex = newCellIndex;
                _isCellChanged = true;

                if (!disableEvent)
                {
                    EventManager.Instance.Send(EventManager.EventName.INFIGHT_UNIT_CELLINDEX_CHANGE, owner);
                }
            }
        }

        private static int _GetCellIndex(Vector3 pos)
        {
            var map = LevelManager.Instance.CurrentLevel.Map;
            if (map == null) return -1;
            if (map.WorldPosition2TGSCellIndex(pos, out int searchIndex))
            {
                return searchIndex;
            }
            DebugUtil.LogError("地图pos越界:{0}", pos);
            return -2;
        }

        public void Reset()
        {
            _isTransChanged = false;
            _isCellChanged = false;
        }
    }
}