using System;
using CommonAI.Zone.Helper;
using CommonAI.Zone.Instance;
using CommonLang;
using XmdsCommon.Plugin;

namespace XmdsCommonServer.Plugin.Scene
{

    /// <summary>
    /// 由玩家创建的私有位面
    /// </summary>
    public class XmdsPlayerAOI : ObjectAoiStatus
    {
        private readonly InstancePlayer m_owner;
        private readonly InstanceZone m_zone;

        /// <summary>
        /// 玩家自己
        /// </summary>
        public InstancePlayer Owner { get { return m_owner; } }

        bool _canSeeMe = false;
        public override bool CanSeeMe
        {
            get
            {
                return _canSeeMe;
            }
        }

        bool _canSeeOther = false;
        public override bool CanSeeOther
        {
            get
            {
                return _canSeeOther;
            }
        }


        public override bool IsNeedNotifyClient
        {
            get
            {
                return true;
            }
        }

        /// <summary>
        /// 是否在死亡后退出位面
        /// </summary>
        public bool DeadExit { get; set; }
        /// <summary>
        /// 此次aoi名称
        /// </summary>
        public string AoiName { get; set; }

        /// <summary>
        /// 没有怪物则销毁位面
        /// </summary>
        public bool isDestoryedOnMonsterDead
        {
            get;
            private set;
        }

        /// <summary>
        /// 任务完成则自动退出位面
        /// </summary>
        public string QuestId
        {
            get;
            private set;
        }


        private void onOwnerDead(InstanceUnit unit, InstanceUnit attacker)
        {
            if (DeadExit)
            {
                unit.setAoiStatus(null);
            }
        }

        private void onQuestStatusChanged(InstancePlayer player, string quest, string key, string value)
        {
            if(player == m_owner && quest == QuestId && key == XmdsQuestData.Attribute_SubState && value == "1")
            {
                player.setAoiStatus(null);
            }
        }

        public XmdsPlayerAOI(InstancePlayer player, 
            bool can_see_me = false, 
            bool can_see_other = false , 
            bool isDestoryedOnMonsterDead = false,
            bool DeadExit = false,
            string QuestId = null)
        {
            this.m_owner = player;
            this.m_zone = player.Parent;
            this._canSeeMe = can_see_me;
            this._canSeeOther = can_see_other;
            this.isDestoryedOnMonsterDead = isDestoryedOnMonsterDead;
            this.DeadExit = DeadExit;
            this.QuestId = QuestId;
            if(!string.IsNullOrEmpty(this.QuestId))
            {
                this.m_zone.OnQuestStatusChanged += onQuestStatusChanged;
            }
            player.OnDead += onOwnerDead;
        }

        protected override void onObjectEnter(InstanceZoneObject o)
        {
            base.onObjectEnter(o);
        }

        protected override void onObjectLeave(InstanceZoneObject o)
        {
            base.onObjectLeave(o);
            if (o == m_owner)
            {
                (o as InstancePlayer).OnDead -= onOwnerDead;
                this.Cleanup();
            }
            if (isDestoryedOnMonsterDead && GetUnitCountByForce(1) == 0)
            {
                m_owner.setAoiStatus(null);
            }
        }

        /// <summary>
        /// 玩家掉线后，干掉所有私有AOI单位
        /// </summary>
        public void Cleanup()
        {
            using(var list = ListObjectPool<InstanceZoneObject>.AllocAutoRelease(base.Objects))
            {
                foreach (var obj in list)
                {
                    if (obj != m_owner)
                    {
                        if(obj is InstancePlayer)
                        {
                            (obj as InstancePlayer).setAoiStatus(null);
                        }
                        else
                        {
                            m_zone.RemoveObjectByID(obj.ID);
                        }
                    }
                }
            }
            if (!string.IsNullOrEmpty(this.QuestId))
            {
                this.m_zone.OnQuestStatusChanged -= onQuestStatusChanged;
            }
        }
    }
}