using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace upper_limit_crawler
{
	public partial class ULBalanceDlg : Form
	{
		const int BALANCE_DELAY = 10000;
		const int PRICE_DELAY = 500;

		public class OWN_ITEM
		{
			public string m_strCodeName;
			public int m_iPayBalance;
			public int m_iPayUnitPrice;
			public int m_iConclusionBalanceCnt;
			public long m_iEvaluationPrice;
			public long m_iEvaluationProfit;
			public double m_dReturn;
			public string m_strCode;
			public int m_iAskableCnt;
			public double m_dConclusionUnitPrice;
			public long m_iUnitBEP;

			public int m_iCurPrice;
			public int m_iMaxPrice;

			public bool m_bCheck;
		};


		List<OWN_ITEM> m_OwnList = new List<OWN_ITEM>();
		DSCBO1Lib.StockMst2 m_StockMst2 = new DSCBO1Lib.StockMst2();

		Timer m_MainTimer = new Timer();
		int m_iLastTime = 0;
		int m_iBalanceDelay = BALANCE_DELAY;
		int m_iPriceDelay = PRICE_DELAY;

		ULDataMgr m_DataMgr = null;
		
		CPTRADELib.CpTd6033 m_Td6033 = new CPTRADELib.CpTd6033();

		bool m_bRequesting = false;

		public ULBalanceDlg(ULDataMgr DataMgr)
		{
			InitializeComponent();

			this.TopLevel = false;

			m_DataMgr = DataMgr;

			MainForm.SetDoubleBuffered(lvBalance);
			btSell.Enabled = false;

			RefreshBalance();

			m_MainTimer.Interval=15;
			m_MainTimer.Tick+=RefreshData;
			m_MainTimer.Start();
		}

		private void RefreshBalance()
		{
			m_Td6033.SetInputValue(0, m_DataMgr.GetAccount());
			m_Td6033.SetInputValue(2, 50);

			m_Td6033.BlockRequest2(1);

			lvBalance.Items.Clear();
			//m_OwnList.Clear();

			m_OwnList.All(c => { c.m_bCheck = false; return true; });

			int iCnt = m_Td6033.GetHeaderValue(7);
			for(int i = 0; i<iCnt; i++)
			{
				string strCodeName = m_Td6033.GetDataValue(0, i);
				int iPayBalance = m_Td6033.GetDataValue(3, i);      // 결제 잔고수량
				int iPayUnitPrice = m_Td6033.GetDataValue(4, i);    // 결제 장부단가
				int iConclusionBalanceCnt = m_Td6033.GetDataValue(7, i);        // 체결 잔고수량
				long iEvaluationPrice = m_Td6033.GetDataValue(9, i);    // 평가금액 : 보유수량x현재가
				long iEvaluationProfit = m_Td6033.GetDataValue(10, i);  // 평가손익
				double dReturn = m_Td6033.GetDataValue(11, i);      // 수익률
				string strCode = m_Td6033.GetDataValue(12, i);
				int iAskableCnt = m_Td6033.GetDataValue(15, i);     // 매도 가능 수량
				double dConclusionUnitPrice = m_Td6033.GetDataValue(17, i);     // 체결 장부단가
				long iUnitBEP = m_Td6033.GetDataValue(18, i);   // 손익단가 : 수수료 포함 순익 분기점 Break-Even Point

				int iCurPrice = (int)(iEvaluationPrice/iConclusionBalanceCnt);

				OWN_ITEM item = m_OwnList.Find(itemFind => itemFind.m_strCode == strCode);
				if (item == null)
				{
					item = new OWN_ITEM();
					m_OwnList.Add(item);
				}
				item.m_strCodeName = strCodeName;
				item.m_iPayBalance = iPayBalance;
				item.m_iPayUnitPrice = iPayUnitPrice;
				item.m_iConclusionBalanceCnt = iConclusionBalanceCnt;
				item.m_iEvaluationPrice = iEvaluationPrice;
				item.m_iEvaluationProfit = iEvaluationProfit;
				item.m_dReturn = dReturn;
				item.m_strCode = strCode;
				item.m_iAskableCnt = iAskableCnt;
				item.m_dConclusionUnitPrice = dConclusionUnitPrice;
				item.m_iUnitBEP = iUnitBEP;
				item.m_iCurPrice = iCurPrice;
				item.m_iMaxPrice = iCurPrice;
				item.m_bCheck = true;
				

				string[] row = { strCode, strCodeName, dConclusionUnitPrice.ToString("###,###,##0"),
					iUnitBEP.ToString("###,###,##0"), iCurPrice.ToString("###,###,##0"),
					iEvaluationProfit.ToString("###,###,##0"), iConclusionBalanceCnt.ToString("###,###,##0"), 
					iEvaluationPrice.ToString("###,###,##0"), dReturn.ToString("#,##0.00")+"%" };
				ListViewItem listViewItem = new ListViewItem(row);
				listViewItem.UseItemStyleForSubItems = false;
				if (dReturn > 0)
					listViewItem.SubItems[chProfitRate.Index].ForeColor = Color.Red;
				else if (dReturn < 0)
					listViewItem.SubItems[chProfitRate.Index].ForeColor = Color.Blue;
				lvBalance.Items.Add(listViewItem);

				//UlUtil.Trace(string.Format("{0} {1} {2} {3} {4} {5} {6} {7} {8} {9} {10}",
				//	strCodeName, iPayBalance, iPayUnitPrice,
				//	iConclusionBalanceCnt, iEvaluationPrice, iEvaluationProfit,
				//	dReturn, strCode, iAskableCnt, dConclusionUnitPrice, iUnitBEP));
			}

			m_OwnList.RemoveAll(c => c.m_bCheck = false);

			foreach (ColumnHeader col in lvBalance.Columns)
				col.Width=-2;
		}

		private void RefreshCurPrice()
		{
			if (m_bRequesting == true)
				return;
			m_bRequesting = true;

			if (m_OwnList.Count <= 0)
				return;

			string strPriceList = "";
			foreach(OWN_ITEM item in m_OwnList)
			{
				if (strPriceList.Length > 0)
					strPriceList += ",";
				strPriceList += item.m_strCode;
			}


			m_StockMst2.SetInputValue(0, strPriceList);
			m_StockMst2.BlockRequest2(1);

			int iCnt = m_StockMst2.GetHeaderValue(0);
			for(int i=0; i<iCnt; i++)
			{
				string strCode = m_StockMst2.GetDataValue(0, i);
				int iCurPrice = m_StockMst2.GetDataValue(3, i);

				// data update
				OWN_ITEM listItem = m_OwnList.First(item => item.m_strCode == strCode);
				if (listItem == null)
					continue;

				listItem.m_iCurPrice = iCurPrice;
				listItem.m_iMaxPrice = Math.Max(iCurPrice, listItem.m_iMaxPrice);

				ListViewItem lvItem = lvBalance.FindItemWithText(strCode);
				if (lvItem != null)
				{
					lvItem.SubItems[chCurPrice.Index].Text = iCurPrice.ToString("###,###,##0");
					lvItem.SubItems[chUnitProfit.Index].Text = (iCurPrice - listItem.m_iUnitBEP).ToString("###,###,##0");
					lvItem.SubItems[chEvaluationPrice.Index].Text = (iCurPrice*listItem.m_iConclusionBalanceCnt).ToString("###,###,##0");
					lvItem.SubItems[chProfitRate.Index].Text = (iCurPrice / (float)listItem.m_iUnitBEP - 1.0f).ToString("#,##0.00%");
				}

				// cut loss and trailing
				if (iCurPrice <= listItem.m_iUnitBEP * (1.0f - m_DataMgr.m_Setting.m_fLossCut) ||
					iCurPrice <= listItem.m_iMaxPrice * (1.0f - m_DataMgr.m_Setting.m_fTrailing))
				{
					m_DataMgr.GetTrader().SellCurPrice(listItem.m_strCode, listItem.m_iPayBalance);
					
					// 미체결 잔량 취소
				}
			}

			m_bRequesting = false;
		}

		private void RefreshData(object sender, EventArgs e)
		{
			int iCurTime = Environment.TickCount;
			if(m_iLastTime==0)
			{
				m_iLastTime=iCurTime;
				return;
			}

			int iDeltaT = iCurTime-m_iLastTime;
			m_iBalanceDelay-=iDeltaT;
			if(m_iBalanceDelay<=0 && UlUtil.GetLimitRemainCountRQ() > 20)
			{
				RefreshBalance();
				m_iBalanceDelay=BALANCE_DELAY;
			}

			m_iPriceDelay -= iDeltaT;
			if(m_iPriceDelay<= 0 && UlUtil.GetLimitRemainCountRQ() >= m_OwnList.Count)
			{
				RefreshCurPrice();
				m_iPriceDelay = PRICE_DELAY;
			}
			

			m_iLastTime=iCurTime;
		}

		private void btRefresh_Click(object sender, EventArgs e)
		{
			RefreshBalance();
		}

		private void btSell_Click(object sender, EventArgs e)
		{
			foreach(ListViewItem item in lvBalance.SelectedItems)
			{
				string strCode = item.SubItems[chCode.Index].Text;
				int iCnt = int.Parse(item.SubItems[chBalance.Index].Text);
				m_DataMgr.GetTrader().SellCurPrice(strCode, iCnt);

				UlUtil.Trace("");
			}
		}

		private void btSellAll_Click(object sender, EventArgs e)
		{
			foreach (ListViewItem item in lvBalance.Items)
			{
				string strCode = item.SubItems[chCode.Index].Text;
				int iCnt = int.Parse(item.SubItems[chBalance.Index].Text);
				m_DataMgr.GetTrader().SellCurPrice(strCode, iCnt);

				UlUtil.Trace("");
			}
		}

		private void lvBalance_ItemSelectionChanged(object sender, ListViewItemSelectionChangedEventArgs e)
		{
			btSell.Enabled = (lvBalance.SelectedItems.Count > 0);
		}
	}
}