using GalaSoft.MvvmLight;
using GalaSoft.MvvmLight.Command;
using GalaSoft.MvvmLight.Ioc;
using Muchinfo.MTPClient.Data;
using Muchinfo.MTPClient.Data.Enums;
using Muchinfo.MTPClient.Data.Model;
using Muchinfo.MTPClient.Data.Model.Account;
using Muchinfo.MTPClient.Data.Model.GoodRules;
using Muchinfo.MTPClient.Data.Model.Sale;
using Muchinfo.MTPClient.Infrastructure.Cache;
using Muchinfo.MTPClient.Infrastructure.Helpers;
using Muchinfo.MTPClient.Infrastructure.MessageBox;
using Muchinfo.MTPClient.Infrastructure.Utilities;
using Muchinfo.MTPClient.IService;
using Muchinfo.MTPClient.Resources;
using Muchinfo.WPF.Controls.Windows;
using System;
using System.Collections.Generic;
using System.Linq;
//----------------------------------------------------------------
//Module Name:  $safeprojectname$
//Purpose:      
//CopyRight:    Muchinfo
//History:
//----------------------------------------------------------------
//DateTime		2016/4/5 9:51:28
//Author       
//Description   Create
//----------------------------------------------------------------
using System.Windows;

namespace Muchinfo.MTPClient.Sale.ViewModels
{
    public class SaleOrderViewModel : ViewModelBase
    {

        private Direction _direction;  ////买卖方向
        private Window _openWindow;      ///下单窗口
        protected IGoodsService _goodsService;
        private ePriceMode _priceMode;


        /// <summary>
        /// 当前账号
        /// </summary>
        public TradeAccount CurrentAccount
        {
            get
            {
                return UserManager.CurrentTradeAccount;
            }
        }

        /// <summary>
        /// 取价方式
        /// </summary>
        public ePriceMode PriceMode
        {
            get { return _priceMode; }
            set
            {
                Set(() => PriceMode, ref _priceMode, value);
            }
        }

        /// <summary>
        /// 买卖方向
        /// </summary>
        public Direction Direction
        {
            get
            {
                return _direction;
            }
            set
            {
                if (value == Direction.unSet)
                {
                    return;
                }
                Set(() => Direction, ref _direction, value);
            }
        }

        private string _winTitle;

        /// <summary>
        /// 标题
        /// </summary>
        public string WinTitle
        {
            get { return _winTitle; }
            set { Set(() => WinTitle, ref _winTitle, value); }
        }

        private List<SaleGoods> _saleGoodses;

        /// <summary>
        /// 发售商品
        /// </summary>
        public List<SaleGoods> SaleGoodses
        {
            get { return _saleGoodses; }
            set { Set(() => SaleGoodses, ref _saleGoodses, value); }
        }

        private SaleGoods _currentSaleGoods;

        /// <summary>
        /// 当前发售商品
        /// </summary>
        public SaleGoods CurrentSaleGoods
        {
            get { return _currentSaleGoods; }
            set
            {
                Set(() => CurrentSaleGoods, ref _currentSaleGoods, value);
                SetGoodsInit();
            }
        }

        private decimal _executePrice;

        /// <summary>
        /// 委托价格
        /// </summary>
        public decimal ExecutePrice
        {
            get { return _executePrice; }
            set
            {
                Set(() => ExecutePrice, ref _executePrice, value);
            }
        }

        private decimal _lot = decimal.Zero;

        /// <summary>
        /// 数量 
        /// </summary>
        public decimal Lot
        {
            get
            {
                return _lot;
            }
            set
            {
                Set(() => Lot, ref _lot, value);

                _agreeUnitLot = (_currentSaleGoods == null) ? "0" : _currentSaleGoods.AgreeUnit * _lot + string.Empty;
                RaisePropertyChanged(() => AgreeUnitLot);
            }
        }

        private bool _oKButtonEnabled = true;
        /// <summary>
        ///设置按键不可用
        /// </summary>
        public bool OKButtonEnabled
        {
            get
            {
                return _oKButtonEnabled;
            }
            set
            {
                Set(() => OKButtonEnabled, ref _oKButtonEnabled, value);
            }
        }

        private bool _isBusy;

        /// <summary>
        /// 是否忙
        /// </summary>
        public bool IsBusy
        {
            get { return _isBusy; }
            set { Set(() => IsBusy, ref _isBusy, value); }
        }



        private decimal _quotePrice;  //当前行情价

        /// <summary>
        /// 当前行情价
        /// </summary>
        public decimal QuotePrice
        {
            get
            {
                return _quotePrice;
            }
            set
            {
                Set(() => QuotePrice, ref _quotePrice, value);
            }
        }
        #region 申购单位
        private decimal _perOrderQty = decimal.Zero;

        /// <summary>
        /// 申购单位
        /// </summary>
        public decimal PerOrderQty
        {
            get
            {
                return _perOrderQty;
            }
            set
            {
                Set(() => PerOrderQty, ref _perOrderQty, value);
            }
        }
        #endregion
        #region 最小数量
        private decimal _minLot;
        /// <summary>
        /// 最小数量
        /// </summary>
        public decimal MinLot
        {
            get { return _minLot; }
            set { Set(() => MinLot, ref _minLot, value); }
        }
        #endregion

        private decimal _maxLot;

        /// <summary>
        /// 最大数量
        /// </summary>
        public decimal MaxLot
        {
            get { return _maxLot; }
            set { Set(() => MaxLot, ref _maxLot, value); }
        }

        private string _agreeUnitLot;

        /// <summary>
        /// 合约数量
        /// </summary>
        public string AgreeUnitLot
        {
            get { return _agreeUnitLot; }
            set { Set(() => AgreeUnitLot, ref _agreeUnitLot, value); }
        }

        /// <summary>
        /// 下单确定
        /// </summary>
        public RelayCommand<Window> OKCommand
        {
            get
            {
                return new RelayCommand<Window>((dialog) =>
                {
                    OKButtonEnabled = false;
                    string errorMsg = string.Empty;
                    //bool validateBool = true;////内容验证
                    bool validateBool = Validated(ref errorMsg);   ////内容验证
                    if (validateBool)
                    {
                       
                        _openWindow = dialog;
                        var newOrder = new NewEntrustOrder()
                        {
                            BuyOrSell = Direction,
                            OperaterId = UserManager.CurrentTradeAccount.AccountId,
                            // GoodsCode = this.CurrentGoods.GoodsCode,
                            //  MarketId = (uint)this.CurrentSaleGoods.MarketId,
                            GoodsId = (uint)CurrentSaleGoods.GoodsId,
                            AccountType = UserManager.CurrentTradeAccount.AccountType,
                            BuildType = OpenCloseMode.BUILDTYPE_OPEN,
                            EntrurstTime = ApplicationParameter.ServerTimeNow,
                            MemberAreaId = UserManager.CurrentTradeAccount.MemberAreaId,
                            EntrustQuantity = Lot,
                            PriceMode = this.PriceMode,
                        };
              //          if (UserManager.CurrentTradeAccount.FundsAccounts.Any() &&
              //UserManager.CurrentTradeAccount.FundsAccounts[0] != null)
              //          {
              //              newOrder.AccountId = UserManager.CurrentTradeAccount.FundsAccounts[0].AccountId;
              //          }
              //          else
              //          {
              //              newOrder.AccountId = UserManager.CurrentTradeAccount.AccountId;
              //          }
                        newOrder.EntrustPrice = PriceMode == ePriceMode.PRICEMODE_LIMIT ? ExecutePrice : QuotePrice;
                        // newOrder.CurtQuotePrice = QuotePrice;

                        if (ComfirmCheck(newOrder))
                        {
                            IsBusy = true;
                            var saleService = SimpleIoc.Default.GetInstance<ISaleService>();
                            saleService.SaleEntrurstOrder(newOrder, EntrurstSuccessCallBack, EntrurstErrorCallBack);
                        }
                        else
                        {
                            OKButtonEnabled = true;
                        }
                    }
                    else
                    {
                        MessageBoxHelper.ShowInfo(errorMsg, Client_Resource.MessageBox_Error_Title);
                        OKButtonEnabled = true;
                    }
                });
            }
        }


        private bool ComfirmCheck(NewEntrustOrder order)
        {
            var userInfo = UserManager.GetCurrentUserInfo(); ////交易菜单设置
            if (userInfo.TradeParams == null)
            {
                userInfo.TradeParams = new TradeParams();
            }

            var result = true;
            if (userInfo.TradeParams.IsOrderComfrim)
            {
                var comfim = new OrderComfirmModel()
                {
                    GoodsName = CurrentSaleGoods.GoodsName,
                    Lot = order.EntrustQuantity,
                    Direction = order.BuyOrSell ,
                    OrderPrice = order.EntrustPrice,
                };
                var comfirm = new OrderComfirm() {DataContext = comfim, Owner = Application.Current.MainWindow};
                if (comfirm.ShowDialog() != true)
                {
                    result = false;
                }

            }
            return result;
        }

        /// <summary>
        /// 快速下单窗口取消
        /// </summary>
        public RelayCommand<Window> CancelCommand
        {
            get
            {
                return new RelayCommand<Window>((dialog) =>
                {
                    dialog.DialogResult = false;
                });
            }
        }

        /// <summary>
        /// 提交成功返回
        /// </summary>
        /// <param name="order"></param>
        private void EntrurstSuccessCallBack(OrderDetail order)
        {
            IsBusy = false;
            Application.Current.Dispatcher.BeginInvoke(new Action(() =>
            {
                OKButtonEnabled = true;
              
                // IsBusy = false;
                CloseOrderWin();
            }));

            MessengerHelper.DefaultSend(UserManager.CurrentTradeAccount, MessengerTokens.OrderNoticeToken);
        }


        /// <summary>
        /// 下单关窗口
        /// </summary>
        private void CloseOrderWin()
        {
            var userInfo = UserManager.GetCurrentUserInfo();  ////交易菜单设置
            if (userInfo.TradeParams == null)
            {
                userInfo.TradeParams = new TradeParams();
            }
            if (userInfo.TradeParams.IsSuccessComfrim)   ////下单成功是否关窗口
            {
                MessageBoxHelper.ShowSuccess(Client_Resource.Order_Success_Result,
              Client_Resource.Open_MessageBox_Title);

            }
            if (_openWindow != null)
            {
                _openWindow.Close();
                this.Cleanup();
               
            }
        }

        /// <summary>
        /// 委托失败返回
        /// </summary>
        /// <param name="errorEntity"></param>
        private void EntrurstErrorCallBack(ErrorEntity errorEntity)
        {
            IsBusy = false;
            Application.Current.Dispatcher.BeginInvoke(new Action(() =>
            {
                OKButtonEnabled = true;
                ErrorManager.ShowReturnError(errorEntity, Client_Resource.UI2014_Tips, true);
                if (_openWindow != null)
                {
                    _openWindow.Close();
                    this.Cleanup();

                }
                // IsBusy = false;
            }));

        }


        public SaleOrderViewModel(SaleGoods saleGoods)
        {
            _goodsService = SimpleIoc.Default.GetInstance<IGoodsService>();
            if (CacheManager.SaleGoodses != null && CacheManager.SaleGoodses.Any())
            {
                var goodsList = new List<SaleGoods>();
                foreach (var key in CacheManager.SaleGoodses.Keys)
                {
                    goodsList.AddRange(CacheManager.SaleGoodses[key]);
                }
                SaleGoodses = goodsList.Where((item) => item.RunSteps == eRunStep.RUNSTEP_BIDDINGPRICE).ToList();
            }
            CurrentSaleGoods = saleGoods;
            //NEW 申购单位 【错误 #29137】
            var tempPerOrderQty = _goodsService.GetGoodsParamerRule((int)CurrentSaleGoods.GoodsId, CurrentSaleGoods.TradeMode, GoodsTradeConts.MinSalePerOrderQty);
            PerOrderQty = tempPerOrderQty.FeeValue;
            Lot = PerOrderQty;
        }

        private void SetGoodsInit()
        {
            if (CurrentSaleGoods != null)
            {
                PerOrderQty = 1;
                var tempPerOrderQty = _goodsService.GetGoodsParamerRule((int)CurrentSaleGoods.GoodsId, CurrentSaleGoods.TradeMode, GoodsTradeConts.MinSalePerOrderQty);
                if (tempPerOrderQty != null)
                {
                    PerOrderQty = tempPerOrderQty.FeeValue;
                }
                QuotePrice = ExecutePrice = CurrentSaleGoods.SalePrice;
                Lot = PerOrderQty;
                MaxLot = Math.Round(_currentSaleGoods.PerMaxSubQty, 2, MidpointRounding.AwayFromZero);
                MinLot = Math.Round(_currentSaleGoods.PerMinSubQty, 2, MidpointRounding.AwayFromZero);
                var enableOpenNum = GetEnableNum(ExecutePrice); //根据资金算出可建仓数

                if (enableOpenNum > 0)
                {
                    //enableOpenNum = _currentSaleGoods.PerMinSubQty == 0 ? enableOpenNum : Math.Floor(enableOpenNum / _currentSaleGoods.PerMinSubQty) * _currentSaleGoods.PerMinSubQty;   ////下单数量应该为最小的整数倍
                    enableOpenNum = PerOrderQty == 0 ? enableOpenNum : Math.Floor(enableOpenNum / PerOrderQty) * PerOrderQty;   ////下单数量应该为申购单位的整数倍
                    MaxLot = Math.Min(enableOpenNum, MaxLot);
                }
                else
                {
                    MaxLot = decimal.Zero;
                }
                MaxLot = Math.Round(MaxLot, 2, MidpointRounding.AwayFromZero);
                MinLot = Math.Round(MinLot, 2, MidpointRounding.AwayFromZero);
            }
        }


        public bool Validated(ref string msg)
        {
            if (Lot.ToString().Length <= 0 || Lot <= 0 || Lot == decimal.Zero || Lot > MaxLot)
            {
                //数量不在正确范围内
                msg = Muchinfo.MTPClient.Resources.Client_Resource.ErrorNumRange;
                return false;
            }
            if (Lot > CurrentSaleGoods.PerMaxSubQty)
            {
                //msg = "申购数量超过单笔最大申购数量";
                msg = Muchinfo.MTPClient.Resources.Client_Resource.ErrorSaleNum;
                return false;
            }
            if (Lot < CurrentSaleGoods.PerMinSubQty)
            {
                //msg = "申购数量应大于单笔最小申购数量";
                msg = string.Format(Muchinfo.MTPClient.Resources.Client_Resource.Error_SaleNum, CurrentSaleGoods.PerMinSubQty);
                return false;
            }
            if (Lot != 0 && (Lot % PerOrderQty) != 0)
            {
                //数量输入有误!应为{设定申购单位}的倍数.
                msg = string.Format(Muchinfo.MTPClient.Resources.Client_Resource.SaleOrderViewModel_InputNumShouldBeRight, PerOrderQty);
                return false;
            }
            return true;
        }


        /// <summary>
        /// 根据可用资金算出可下单的数量
        /// </summary>
        /// <returns></returns>
        protected decimal GetEnableNum(decimal price)
        {
            decimal enablenum = 0;
            decimal usableFunds = 0;
            decimal dividernum = 0;

            //可用资金
            usableFunds = UserManager.CurrentAccountUsableFunds();
 
            dividernum = GetDivider(price);


            if (dividernum != 0)
            {
                var calcLot = usableFunds / dividernum;
                if (calcLot <= 0)
                {
                    enablenum = 0;
                }
                else if (calcLot >= int.MaxValue)
                {
                    enablenum = int.MaxValue;
                }
                else
                {
                    enablenum =  calcLot;   //数量
                }
            }
            return enablenum > 0 ? enablenum : 0;
        }

        /// <summary>
        /// 每手下单所需资金
        /// </summary>
        /// <param name="price">价格</param>
        /// <returns></returns>
        private decimal GetDivider(decimal price)
        {
            decimal dividernum = 0;
            decimal dividernumChange = 0;

            if (Direction == Direction.Bid)
            {
                //【买】建仓手续费
                dividernumChange = GetTradeFeeBy(eTradeFeeType.TRADEFEETYPE_TRADECHARGE, price);
            }
            else
            {
                //【卖】建仓手续费
                dividernumChange = GetTradeFeeBy(eTradeFeeType.TRADEFEETYPE_TRADECHARGE, price);
            }
            //竞价全额
            if (CurrentSaleGoods != null && CurrentSaleGoods.MoneyMode == eMoneyMode.MONEYMODE_PAY)
            {
                //dividernum = _currentGoods.CurrentPrice == 0 ? _currentGoods.LastClose : _currentGoods.CurrentPrice;
                dividernum = price * CurrentSaleGoods.AgreeUnit + dividernumChange;
                return dividernum;
            }
            return GetTradeFeeBy(eTradeFeeType.TRADEFEETYPE_TRADECHARGE, price) + dividernumChange;

        }

        /// <summary>
        /// 获取指定【交易费用类型】的费用
        /// </summary>
        /// <param name="tradeFeeType"></param>
        /// <param name="price"></param>
        /// <returns></returns>
        private decimal GetTradeFeeBy(eTradeFeeType tradeFeeType, decimal price)
        {
            decimal dividerTradeFee = 0;
            #region 类型：建仓保证金
            //获取交易费用类型=建仓保证金
            var eTradeFee = _goodsService.GetTradeFee(CurrentSaleGoods.TradeMode, tradeFeeType);
            GoodsFeeType goodsfee = null;
            GoodsFeeType accountfee = null;
            #endregion

            if (CurrentSaleGoods != null && CacheManager.TradeGoodsFeeRules != null && CacheManager.TradeGoodsFeeRules.ContainsKey((int)CurrentSaleGoods.GoodsId))
            {
                #region 类型：建仓保证金
                if (CacheManager.TradeGoodsFeeRules[(int)CurrentSaleGoods.GoodsId].GoodsFees.ContainsKey((int)eTradeFee))
                {
                    goodsfee = CacheManager.TradeGoodsFeeRules[(int)CurrentSaleGoods.GoodsId].GoodsFees[(int)eTradeFee];
                }
                else if (CacheManager.TradeGoodsFeeRules[(int)CurrentSaleGoods.GoodsId].AccountGoodsFees.ContainsKey((int)eTradeFee))
                {
                    accountfee = CacheManager.TradeGoodsFeeRules[(int)CurrentSaleGoods.GoodsId].AccountGoodsFees[(int)eTradeFee];
                }
                #endregion

            }

            #region 类型：建仓保证金
            //商品是总额百分比模式
            if (goodsfee != null && (int)eCalMode.CALMODE_FIXEDRATIO == goodsfee.FeeMode)
            {
                //可用资金/合约单位*价格*占用百分比   或者可用资金/合约单位固定值
                if (accountfee != null)
                {
                    switch ((int)accountfee.FeeMode)
                    {
                        case (int)eCalMode.CALMODE_FIXEDRATIO:
                            dividerTradeFee = (CurrentSaleGoods.AgreeUnit) * price * (accountfee.FeeValue + goodsfee.FeeValue);
                            break;
                        case (int)eCalMode.CALMODE_FIXEDNUMBER:
                            dividerTradeFee = (CurrentSaleGoods.AgreeUnit) * price * goodsfee.FeeValue + accountfee.FeeValue;
                            break;
                    }
                }
                else
                {
                    dividerTradeFee = (CurrentSaleGoods.AgreeUnit) * price * goodsfee.FeeValue;
                }
            }
            //商品是合约单位固定值的模式
            else if (goodsfee != null && (int)eCalMode.CALMODE_FIXEDNUMBER == goodsfee.FeeMode)
            {
                //可用资金/合约单位*价格*占用百分比   或者可用资金/合约单位固定值
                if (accountfee != null)
                {
                    switch ((int)accountfee.FeeMode)
                    {
                        case (int)eCalMode.CALMODE_FIXEDRATIO:
                            dividerTradeFee = (CurrentSaleGoods.AgreeUnit) * price * accountfee.FeeValue + goodsfee.FeeValue;
                            break;
                        case (int)eCalMode.CALMODE_FIXEDNUMBER:
                            dividerTradeFee = accountfee.FeeValue + goodsfee.FeeValue;
                            break;
                    }
                }
                else
                {
                    dividerTradeFee = goodsfee.FeeValue;
                }
            }
            #endregion

            return dividerTradeFee;
        }
    }
}