using DataDomain;
using StockDal.Interface;
using StockDAL.Interface;
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 StockInfoCore
{
    public partial class frmRegisterStock : Form
    {
        Color hdr = Color.Red;
        private readonly IStockRepository _stockRepository;
        private readonly IStockMarketRepository _stockMarketRepository;
        private readonly IStockScrapePage _scrapePage;

        public List<string> StockNames { get; set; }
        public Dictionary<string, DiTraderStockRow> Stocks { get; set; }
        public List<StockMember> RegisteredStocks { get; set; } = new List<StockMember>();

        public StockGroupModel StockGroupTmp { get; set; }

        public frmRegisterStock(IStockRepository stockRepository,
                                IStockMarketRepository stockMarketRepository,
                                IStockScrapePage scrapePage)
        {
            InitializeComponent();
            _stockRepository = stockRepository;
            _stockMarketRepository = stockMarketRepository;
            _scrapePage = scrapePage;
        }

        private void LoadStockCombo()
        {

            cmbStockChoser.Items.Clear();

            foreach (var key in StockNames)
            {
                cmbStockChoser.Items.Add(key);
            }

        }

        private void btnClose_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void frmRegisterStock_Shown(object sender, EventArgs e)
        {
            StockNames = _stockRepository.GetStockNames();
            LoadStockCombo();
        }

        private void cmbStockChoser_SelectedIndexChanged(object sender, EventArgs e)
        {
            if (Stocks.ContainsKey(cmbStockChoser.SelectedItem.ToString()))
            {
                var stockChosen = Stocks[cmbStockChoser.SelectedItem.ToString()];
                txtStockExtId.Text = stockChosen.StockName;
                txtActValue.Text = stockChosen.LatestPrice.ToString();
                txtActDate.Text = (DateTime.Today + stockChosen.TimeOfDay).ToString();
                var stockSold = _stockRepository.LatestSell(stockChosen.StockName.Trim());
                if (stockSold != null)
                {
                    if (stockSold.LatestSoldDate != null)
                    {
                        txtLatestSoldDate.Text = stockSold.LatestSoldDate.Value.ToString();
                        txtLatestSoldPrice.Text = stockSold.SoldStockPrice.ToString();
                    }
                    else
                    {
                        txtLatestSoldDate.Text = string.Empty;
                        txtLatestSoldPrice.Text = string.Empty;
                    }
                }
                else
                {
                    txtLatestSoldDate.Text = string.Empty;
                    txtLatestSoldPrice.Text = string.Empty;
                }
            }
            else if (StockNames.Contains(cmbStockChoser.SelectedItem.ToString()))
            {
                var stockChosen = _stockMarketRepository.LoadStockMarketStockData(cmbStockChoser.SelectedItem.ToString());
                txtStockExtId.Text = stockChosen.StockName;
                txtActValue.Text = stockChosen.LatestPrice.ToString();
                txtActDate.Text = (DateTime.Today + stockChosen.TimeOfDay).ToString();
            }
            else
            {
                var stockChosen = _scrapePage.SearchStockAndCollect(cmbStockChoser.Text.Substring(0, 4));
                if (stockChosen.Count > 0)
                {
                    txtStockExtId.Text = stockChosen[0].StockName;
                    txtActValue.Text = stockChosen[0].LatestPrice.ToString();
                    txtActDate.Text = (DateTime.Today + stockChosen[0].TimeOfDay).ToString();
                    StockGroupTmp.StockGroup = "ZNotFound";
                    StockGroupTmp.StockName = stockChosen[0].StockName;
                }
            }

        }

        private void btnSaveStock_Click(object sender, EventArgs e)
        {
            AddValidateData();
            RefreshListViewFromRegList();
        }

        private void RefreshListViewFromRegList()
        {
            lwRegBuffer.Items.Clear();
            foreach (var currStock in RegisteredStocks)
            {
                AddItemToListView(currStock);
            }
            lwRegBuffer.Refresh();
        }

        private void AddItemToListView(StockMember currStock)
        {
            var lv = lwRegBuffer.Items.Add(currStock.StockId);
            lv.SubItems.Add(currStock.BuyValue.ToString());
            lv.SubItems.Add(currStock.PostAmount.ToString());
            lv.SubItems.Add(currStock.Comment);
            //lv.BackColor = Color.Aquamarine;
            
        }

        private void AddValidateData()
        {
            var currentStock = new StockMember();
            currentStock.StockId = cmbStockChoser.SelectedItem.ToString();
            currentStock.StockExtId = txtStockExtId.Text;
            currentStock.BuyValue = decimal.Parse(string.IsNullOrEmpty(txtBuyPrice.Text) ? "0" : txtBuyPrice.Text);
            currentStock.PostAmount = long.Parse(string.IsNullOrEmpty(txtBoughtAmount.Text) ? "0" : txtBoughtAmount.Text);
            currentStock.ActDate = DateTime.Parse(txtActDate.Text);
            currentStock.BuyDate = string.IsNullOrWhiteSpace(txtBuyDate.Text) ? DateTime.Today : DateTime.Parse(txtBuyDate.Text);
            currentStock.ActValue = decimal.Parse(string.IsNullOrEmpty(txtActValue.Text) ? "0" : txtActValue.Text);
            currentStock.ActAmount = long.Parse(string.IsNullOrEmpty(txtActAmount.Text) ? "0" : txtActAmount.Text);
            currentStock.SoldDate = null; //DateTime.MaxValue;
            currentStock.SoldValue = decimal.Parse("0");
            currentStock.Comment = txtComment.Text;
            RegisteredStocks.Add(currentStock);
            if (StockGroupTmp != null)
            {
                _stockRepository.SaveStockGroup(StockGroupTmp);
                StockGroupTmp = null;
            }
            initiateRegWin();
        }

        private void initiateRegWin()
        {
            txtStockExtId.Text = "";
            txtBuyPrice.Text = "";
            txtBuyDate.Text = "";
            txtBoughtAmount.Text = "";
            txtActValue.Text = "";
            txtActDate.Text = "";
            txtActAmount.Text = "";
            txtSoldPrice.Text = "";
            txtSoldDate.Text = "";
            txtComment.Text = "";
        }

        private void btnSaveToDB_Click(object sender, EventArgs e)
        {
            if (RegisteredStocks.Count > 0)
            {
                _stockRepository.InsertMany(RegisteredStocks);
                lwRegBuffer.Clear();
                RegisteredStocks.Clear();

            }
        }

        private void txtBoughtAmount_TextChanged(object sender, EventArgs e)
        {
            txtActAmount.Text = txtBoughtAmount.Text;
        }

        private void lwRegBuffer_DrawColumnHeader(object sender, DrawListViewColumnHeaderEventArgs e)
        {
            using (Brush hBr = new SolidBrush(hdr))
            {
                e.Graphics.FillRectangle(hBr, e.Bounds);
                e.DrawText();
            }
        }
    }
}