using UnityEngine;
using Snxxz.UI;
using System.Collections.Generic;
using TableConfig;

/// <summary>
/// 跑跑跑副本AI行为
/// 当追逐到终点的时候默认会回到起点从新开始选怪的逻辑
/// </summary>
public class HeroAI_D3_BackToStartPos : HeroAI_Auto
{
    private DungeonModel m_DungeonModel;
    private DungeonModel DgModel
    {
        get { return m_DungeonModel ?? (m_DungeonModel = ModelCenter.Instance.GetModel<DungeonModel>()); }
    }

    private Vector3 m_StartPos;
    private Vector3 m_EndPos;
    private bool m_DoingMovingToStart;

    #region 配置相关
    #endregion

    public sealed override bool Condition()
    {
        GA_Hero _hero = PlayerDatas.Instance.hero;
        if (_hero == null)
        {
            return false;
        }

        if (_hero.aiHandler.currentType == E_HeroAIType.D3_BackToStartPos)
        {
            return true;
        }

        return base.Condition();
    }

    protected override void OnEnter()
    {
        m_LockTargetSID = 0;
        m_DoingMovingToStart = false;

        FuncConfigConfig func = Config.Instance.Get<FuncConfigConfig>("AI197Point");
        LitJson.JsonData _data = LitJson.JsonMapper.ToObject(func.Numerical1);
        foreach (var _key in _data.Keys)
        {
            if (_key.Equals(PlayerDatas.Instance.baseData.MapID.ToString()))
            {
                m_StartPos = new Vector3(((int)_data[_key][0][0] - GA_Hero.MapOffset.x) * .5f, 0, ((int)_data[_key][0][1] - GA_Hero.MapOffset.z) * .5f);
                m_EndPos = new Vector3(((int)_data[_key][1][0] - GA_Hero.MapOffset.x) * .5f, 0, ((int)_data[_key][1][1] - GA_Hero.MapOffset.z) * .5f);
            }
        }

        m_HandupRange = 10;
    }

    protected override bool OnUpdate()
    {
        GA_Hero _hero = PlayerDatas.Instance.hero;

        if (_hero == null)
        {
            return false;
        }

        float _chkDistSqrt;
        if (m_DoingMovingToStart)
        {
            _chkDistSqrt = MathUtility.DistanceSqrtXZ(_hero.Pos, m_StartPos);
            if (_chkDistSqrt > 1)
            {
                if (_hero.State != E_ActorState.AutoRun)
                {
                    m_StartPos.y = _hero.Pos.y;
                    _hero.MoveToPosition(m_StartPos);
                }
                return true;
            }
            m_DoingMovingToStart = false;
        }
        else
        {
            if (m_EndPos != Vector3.zero)
            {
                _chkDistSqrt = MathUtility.DistanceSqrtXZ(_hero.Pos, m_EndPos);
                if (_chkDistSqrt < 9)
                {
                    m_DoingMovingToStart = true;
                }
            }
        }

        return false;
    }

    protected sealed override void OnExit()
    {
    }

    public sealed override bool IsOver()
    {
        if (base.IsOver())
        {
            return true;
        }

        return PlayerDatas.Instance.hero.aiHandler.currentType
            != E_HeroAIType.D3_BackToStartPos;
    }

    protected sealed override GActorFight SelectTarget()
    {
        return DecideAttackTarget(PlayerDatas.Instance.hero.Pos,
                                  m_HandupRange);
    }

}