using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
//----------------------------------------------------------------
//Module Name:  $safeprojectname$
//Purpose:      
//CopyRight:    Muchinfo
//History:
//----------------------------------------------------------------
//DateTime		2016/7/22 16:33:46
//Author       
//Description   Create
//----------------------------------------------------------------
using System.Windows;
using Muchinfo.MTPClient.Data;
using Muchinfo.MTPClient.Data.Enums;
using Muchinfo.MTPClient.Data.Model;
using Muchinfo.MTPClient.Data.Model.Account;
using Muchinfo.MTPClient.Infrastructure.Cache;
using Muchinfo.MTPClient.Infrastructure.Helpers;
using Muchinfo.MTPClient.Infrastructure.Utilities;
using GalaSoft.MvvmLight.Command;

namespace Muchinfo.MTPClient.Trade.ViewModels
{
    public class BidTradeViewModel : TradeBaseViewModel
    {

        public BidTradeViewModel(QuoteGoods goods,Direction direction):base(goods,direction)
        {
            BidMarketInit(goods);
            SetMinMaxQtyVaule();
        }

        /// <summary>
        /// 设置默认价格模式[读取数据库配置--设置]
        /// </summary>
        protected override void setDefaultPriceMode()
        {
            PriceMode = ePriceMode.PRICEMODE_LIMIT;//【客户需求】若商品为竞价模式，则默认成交的价格类型为“限价”
            if (ApplicationParameter.BidTradeDefaultPriceMode == 0)
            {
                PriceMode = ePriceMode.PRICEMODE_MARKET;
            }
        }

        public BidTradeViewModel(QuoteGoods goods, OrderBase orderBase)
            : base(goods, orderBase)
        {
            BidMarketInit(goods);
            OpenCloseMode = OpenCloseMode.BUILDTYPE_CLOSE;
            if (this.HoldDetails != null&&orderBase is HoldingOrder)
            {
                GoodsOrderMode = GoodsOrderMode.Order;
                SelectOrder =
                    this.HoldDetails.FirstOrDefault((item) => item.OrderID == (orderBase as HoldingOrder).OrderID);
            }
       }

        private void BidMarketInit(QuoteGoods goods)
        {
            AskCommissions = SortCommissions(false, goods.AskList, goods.FormatPrice);
            BidCommissions = SortCommissions(true, goods.BidList, goods.FormatPrice);
            MessengerHelper.QuoteRegister<List<QuoteGoods>>(this, MessengerTokens.ReceiveRealTimeQuote, (quoteList) =>
            {
                Application.Current.Dispatcher.BeginInvoke(new Action(() =>
                {
                    if (_currentGoods != null)
                    {
                        foreach (var goodItem in quoteList)
                        {
                            if (goodItem.GoodsHqCode.ToLower() == _currentGoods.GoodsHqCode.ToLower())
                            {
                                SetEntrustPriceRange();
                                AskCommissions = SortCommissions(false, goodItem.AskList, goodItem.FormatPrice);
                                BidCommissions = SortCommissions(true, goodItem.BidList, goodItem.FormatPrice);
                                RaisePropertyChanged(() => CurrentPrice);
                            }
                        }
                    }
                }));
            });
        }


        #region 竞价内容


        /// <summary>
        /// 跌停
        /// </summary>
        public decimal LowPrice
        {
            get
            {
                if (this._currentGoods != null  )
                {
                    return _currentGoods.FallsPrice;
                }

                return 0m;
            }
        }

        /// <summary>
        /// 涨停
        /// </summary>
        public decimal UpPrice
        {
            get
            {
                if (this._currentGoods != null  )
                {
                    return _currentGoods.RaisesPrice;
                }
                return 0m;
            }
        }

        /// <summary>
        /// 价格格式化
        /// </summary>
        public string PriceFormat
        {
            get
            {
                if (this._currentGoods != null)
                {
                    return _currentGoods.FormatPrice;
                }
                else
                {
                    return "F0";
                }
            }
        }

        /// <summary>
        ///最新价
        /// </summary>
        public decimal CurrentPrice
        {
            get
            {
                if (this._currentGoods != null)
                {
                    return _currentGoods.CurrentPrice;
                }
                else
                {
                    return default(decimal);
                }
            }
        }

        /// <summary>
        ///最新价
        /// </summary>
        public decimal LastClose
        {
            get
            {
                if (this._currentGoods != null)
                {
                    return _currentGoods.LastClose;
                }
                else
                {
                    return default(decimal);
                }
            }
        }


        /// <summary>
        /// 格式化涨停
        /// </summary>
        public string UpPriceDisplay
        {
            get
            {
                return UpPrice.ToString(PriceFormat);
            }
        }

        /// <summary>
        /// 格式化跌停
        /// </summary>
        public string LowPriceDisplay
        {
            get
            {
                return LowPrice.ToString(PriceFormat);
            }
        }

        #endregion


        /// <summary>
        /// 是否显示买卖五档
        /// </summary>
        public override bool IsBidQueueVsb
        {
            get { return true; }
        }


        #region  五档报价 
           
        private List<Commission> _bidCommissions;

        /// <summary>
        /// 显示买入档
        /// </summary>
        public List<Commission> BidCommissions
        {
            get { return _bidCommissions; }
            set { Set(() => BidCommissions, ref _bidCommissions, value); }
        }

        private List<Commission> _askCommissions;

        /// <summary>
        /// 显示卖出档
        /// </summary>
        public List<Commission> AskCommissions
        {
            get { return _askCommissions; }
            set { Set(() => AskCommissions, ref _askCommissions, value); }
        }


        /// <summary>
        /// 设置买卖档
        /// </summary>
        /// <param name="bid">if set to <c>true</c> [bid].</param>
        /// <param name="commissions">The commissions.</param>
        /// <returns>List{Commission}.</returns>
        private List<Commission> SortCommissions(bool bid, Commission[] commissions, string formatStr)
        {
            var commissionLsit = new List<Commission>();
            int index = 1;
            foreach (var commission in commissions)
            {
                commission.Index = index;
                commission.FormatString = formatStr;
                commissionLsit.Add(commission);
                index++;
            }
            if (!bid)
            {
                commissionLsit = commissionLsit.OrderByDescending((item) => item.Index).ToList();
            }
            return commissionLsit;
        }


        private Commission _currentCommission;

        /// <summary>
        /// 当前选择的五档价格,设置限价价格
        /// </summary>
        public Commission CurrentCommission
        {
            get { return _currentCommission; }
            set
            {
                Set(() => CurrentCommission, ref _currentCommission, value);
                SetLimitOrderPirce(value);
            }
        }


        private RelayCommand<Commission> _commissionsListBoxCommand;

        /// <summary>
        /// 多个ListBox中改变当前选中的CurrentCommission
        /// </summary>
        public RelayCommand<Commission> CommissionsListBoxCommand
        {
            get
            {
                return _commissionsListBoxCommand
                    ?? (_commissionsListBoxCommand = new RelayCommand<Commission>(
                    p =>
                    {
                        if (p != null)
                        {
                            //CurrentCommission = p;
                        }
                    }));
            }
        }


        #endregion


        public override bool Validated(ref string msg)
        {
            if (!base.Validated(ref msg))
            {
                return false;
            }
           
            return true;
        }

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

        /// <summary>
        /// 用户点五档时，显示相应的价格
        /// </summary>
        /// <param name="commission"></param>
        protected void SetLimitOrderPirce(Commission commission)
        {
            if (PriceMode == ePriceMode.PRICEMODE_LIMIT)
            {
                if (commission != null && commission.Price>0)
                {
                    if (ListingSelectModel == eListingSelectType.LISTINGSELECTTYPE_DELISTING && DelistingModel == eDelistingType.DELISTINGTYPE_SELECTED)
                    { }
                    else
                    {
                        ExecutePrice = commission.Price;
                    }
                   
                }
            }
        }

        protected override void SetMinMaxQtyVaule()
        {
          
            if (this.OpenCloseMode == OpenCloseMode.BUILDTYPE_OPEN)
            {
                SetOpenQty();
            }
            else if (this.OpenCloseMode == OpenCloseMode.BUILDTYPE_CLOSE) //平仓设置最大最小数量
            {
                SetCloseQty();
            }
            //else if (this.OpenCloseMode == OpenCloseMode.BUILDTYPE_CLOSETHENOPEN)
            //{
            //    SetCloseThenOpen();
            //}
        }

        /// <summary>
        /// 设置建仓最大最小数量
        /// </summary>
        protected void SetOpenQty()
        {
            var maxQty = _goodsService.GetGoodsParamerRule((int) _currentGoods.GoodsId,
                _currentGoods.TradeMode, GoodsTradeConts.MAXOPENTRADEQTY);
            var minQty = _goodsService.GetGoodsParamerRule((int) _currentGoods.GoodsId,
                _currentGoods.TradeMode, GoodsTradeConts.MINOPENTRADEQTY);
            MinLot = minQty == null ? defaut_minLot : minQty.FeeValue;
            //   Lot = MinLot;

            MaxLot = maxQty == null ? defaut_maxLot : maxQty.FeeValue;
            var enableOpenNum = CalcAmountQty();

            MaxLot = Math.Min(enableOpenNum, MaxLot);

        }


        /// <summary>
        /// 当前可用资金还能下多少单
        /// </summary>
        /// <returns></returns>
        private decimal CalcAmountQty()
        {
            var price = OrderPriceSetting();
            var enableOpenNum = GetEnableNum(price); //根据资金算出可建仓数
            enableOpenNum = MinLot == 0 ? enableOpenNum : Math.Floor(enableOpenNum / MinLot) * MinLot; ////下单数量应该为最小的整数倍
            enableOpenNum = Math.Max(0, enableOpenNum); ////是大于等0

            return enableOpenNum;
        }

        /// <summary>
        /// 先平后建设置最大可建仓数量
        /// </summary>
        protected void SetCloseThenOpen()
        {
            var maxQty = _goodsService.GetGoodsParamerRule((int)_currentGoods.GoodsId,
                _currentGoods.TradeMode, GoodsTradeConts.MAXOPENTRADEQTY);
            var minQty = _goodsService.GetGoodsParamerRule((int)_currentGoods.GoodsId,
                _currentGoods.TradeMode, GoodsTradeConts.MINOPENTRADEQTY);
            MinLot = minQty == null ? defaut_minLot : minQty.FeeValue;
            //   Lot = MinLot;

            MaxLot = maxQty == null ? defaut_maxLot : maxQty.FeeValue;
    
            decimal tempMaxLot = CalcAvailCloseQty();
            tempMaxLot += CalcAmountQty();

            MaxLot = Math.Min(tempMaxLot, MaxLot);
        }


        /// <summary>
        /// 计算汇总可平数量
        /// </summary>
        /// <returns></returns>
        protected decimal CalcAvailCloseQty()
        {
            decimal tempMaxLot = 0;   ///可平数量
            try
            {
                var currentAccount = UserManager.CurrentTradeAccount.FundsAccountId;// == 0 ? CacheManager.FundsAccountId : UserManager.CurrentTradeAccount.FundsAccountId;
                if (currentAccount == 0)
                {
                    return 0;
                }
                var currentHolding = CacheManager.HoldingSummaries[currentAccount].FirstOrDefault(p => p.GoodsId == (uint)CurrentGoods.GoodsParameters.GoodsId);
                if (Direction == Direction.Ask)
                {
                    tempMaxLot = currentHolding.AvailableBuyHolderQty();
                }
                else
                {
                    tempMaxLot = currentHolding.AvailableSellHolderQty();
                }
                return tempMaxLot;
            }
            catch
            {

            }

            return 0;
        }


        /// <summary>
        /// /设置计算数量下单价格.
        /// </summary>
        /// <returns></returns>
        protected virtual decimal OrderPriceSetting()
        {
            var price = ExecutePrice;
            //竞价市场-》-》市价-》保证金OR全额-》默认价格 按涨跌停计算可购买数量
            if (PriceMode == ePriceMode.PRICEMODE_MARKET)
            //&& CurrentGoods.GoodsParameters.MoneyMode == eMoneyMode.MONEYMODE_MARGIN
            {
                #region 市价:买一价卖一价
                //price = decimal.Zero;
                //if (BidCommissions != null && Direction == Direction.Ask)
                //{
                //    price = BidCommissions.Find(x=>x.Index==1).Price; //卖跌停价//买一价
                //}
                //if (AskCommissions != null && Direction == Direction.Bid)
                //{
                //    price = AskCommissions.Find(x => x.Index == 1).Price; //卖跌停价//卖一价 
                //} 
                #endregion

                if (Direction == Direction.Ask)
                {
                    price = this.LowPrice; //卖跌停价
                }
                else
                {
                    price = this.UpPrice; //买涨停价
                }
            }
            return price;
        }


        /// <summary>
        /// 设置平仓最大最小数量
        /// </summary>
        protected virtual void SetCloseQty()
        {
            var minQty = _goodsService.GetGoodsParamerRule((int)_currentGoods.GoodsId, _currentGoods.TradeMode, GoodsTradeConts.MINOPENTRADEQTY);
            MinLot = minQty == null ? defaut_minLot :  minQty.FeeValue;
            decimal tempMaxLot = CalcAvailCloseQty();

            //按寸头平仓
            MaxLot = tempMaxLot;
        }

        public override void PostOrder(Action<OrderDetail> successAction, Action<ErrorEntity> errorAction)
        {
            var entrustOrder = BuildEntrustOrder();
           // _orderService.BidMarketEntrustOrder(entrustOrder, successAction, errorAction);
            _orderService.MakeMarketEntrustOrder(entrustOrder, successAction, errorAction);
        }
         
            
    }
}