using CommonAI.Zone;
using CommonAI.Zone.Instance;
using CommonLang.Vector;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using XmdsCommon.Message;

namespace XmdsCommonServer.Plugin.Units
{
    public class XmdsDropableInstanceItem : InstanceItem
    {
        public XmdsDropableInstanceItem(InstanceZone zone,
            ItemTemplate item,
            string name,
            int force,
            InstanceUnit creater,
			string disPlayName)
            : base(zone, item, name, force, creater, disPlayName,0)
        {
            //base.OnTryPickItem += OnTryPickXmdsItem;
        }

        public override bool IsPickable(InstanceUnit unit)
        {
            if (base.IsPickable(unit))
            {
                // 捡取判定，检定成功需要通知游戏服创建道具
                XmdsCommon.Message.DropItem di = GenSyncItemInfo(false, unit.PlayerUUID).ExtData as XmdsCommon.Message.DropItem;

                if (di == null)//非掉落道具.
                {
                    return true;
                }

                //强制冻结时间(时间内无法拾取该物品).
                //原来没用，我先不加了万一加了反而坑了呢.Modify by Alex.Yu 2016.11.07
                if (this.PassTimeMS < di.FreezeTime)
                {
                    return false;
                }

                //XmdsCommon.Plugin.XmdsUnitProperties prop = unit.Info.Properties as XmdsCommon.Plugin.XmdsUnitProperties;
                if (unit is XmdsInstancePlayer)// 会没有吗？//
                {
                    var player = unit as XmdsInstancePlayer;
                    var playerVirtual = player.Virtual as XmdsVirtual;
                    //Mode 1 自由拾取 只检查自己背包
                    //Mode 2， 队伍背包，只检查队伍背包
                    //Mode 3， Roll点，只判断所有权
                    if (di.Mode == 1 && !player.CanPickDropableItem)
                    {
                        return false;
                    }
                    if (di.Mode == 2 && playerVirtual.GetTeamInventorySize() < 1)
                    {
                        playerVirtual.SendMsgToClient("noSpace");
                        return false;
                    }
                    bool is_owner = false;

                    if (di.PlayerUUID != null)
                    {
                        for (int i = 0; i < di.PlayerUUID.Count; i++)
                        {
                            if (player.PlayerUUID == di.PlayerUUID[i])
                            {
                                is_owner = true;
                                break;
                            }
                        }
                    }

					//个人tc，助攻tc仅个人可见，个人可拾取
					if(di.bindPlayerId != null && di.bindPlayerId == player.PlayerUUID)
					{
						is_owner = true;
					}

                    if (is_owner)
                    {
                        return true;
                    }
                    else
                    {
                        if (this.PassTimeMS >= di.ProtectTime)
                        {
                            return true;
                        }
                        else
                        {
                            return false;
                        }
                    }
                }
            }
            return false;
        }

		public override string GetBindPlayerId()
		{
			if(base.mSyncInfo.ExtData != null)
			{
				var dropItem = base.mSyncInfo.ExtData as XmdsCommon.Message.DropItem;
				if(dropItem != null)
				{
					return dropItem.bindPlayerId;
				}
			}
			return null;
		}


		protected override void onUpdate(bool slowRefresh)
        {
            //竞技场魂魄的拾取，需要特殊判断是人物身上的pickupRange,特此硬编写998物品
            //非物品998的走原来父类方法
            if(this.Info.TemplateID != 998)
            {
                base.onUpdate(slowRefresh);
                return;
            }
            if (IsPaused) { return; }
            if (mRemovedExpire!= null && mRemovedExpire.Update(Parent.UpdateIntervalMS))
            {
                Parent.RemoveObject(this);
            }
            if (mViewTriggerTimer != null && mViewTriggerTimer.Update(Parent.UpdateIntervalMS))
            {
                //mViewTrigger.Enable = true;
                //mViewTrigger.onLookUpdate(X, Y);
                float min_len = float.MaxValue;
                InstanceUnit min = null;
                Parent.ForEachNearObjects(X, Y, this.mData.BodySize, (InstanceUnit u, ref bool cancel) =>
                {
                    if (u.IsPlayer && u is XmdsInstancePlayer &&!u.IsDead())
                    {
                        var player = u as XmdsInstancePlayer;
                        var playerVirtual = player.Virtual as XmdsVirtual;

                        float len = MathVector.getDistance(u.X, u.Y, this.X, this.Y) - playerVirtual.MirrorProp.pickupRange;
                        if (min_len > len && len < this.mData.BodySize)
                        {
                            min_len = len;
                            min = u;
                        }
                    }
                    //cancel = false;
                });
                if (min != null)
                {
                    this.DirectPickItem(min,() => {
                        RemoveDropItemB2C rd = new RemoveDropItemB2C(this.ID, min.ID);
                        min.queueEvent(rd);
                    });
                }
            }
        }
    }

}