using System;
using System.Drawing;
using System.Windows.Forms;

namespace TradeIdeas.TIProGUI.Charting.Controls.CurrentPosition
{
    public partial class CurrentPositionDisplayControl : UserControl
    {
        public CurrentPositionDisplayControl()
        {
            InitializeComponent();
            this.Margin = new Padding(2, 4, 2, 2);
            this.BackColor = Color.FromArgb(0, 64, 128);
            this.SharesProfitOrLossLabel.Font = new Font("Microsoft Sans Serif", 7F, FontStyle.Bold, GraphicsUnit.Point, ((byte)(0)));
            this.SharesProfitOrLossLabel.Padding = new Padding(0, 0, 0, 3);

            this.SharesCountLabel.Font = new Font("Microsoft Sans Serif", 7F, FontStyle.Bold, GraphicsUnit.Point, ((byte)(0)));
            this.SharesCountLabel.Padding = new Padding(0, 0, 0, 3);
        }

        public void SetDisplayText(double shares, double averageCost, double lastPrice)
        {
            if (shares == 0)
                Hide();
            var isPositive = shares >= 0;
            this.SharesCountLabel.Text = (isPositive ? "+" : "") + shares + " shrs @ " + averageCost.ToString("N2");
            this.SharesProfitOrLossLabel.Left = this.SharesCountLabel.Width + 1;

            
            var sharesAverageCost = shares * averageCost;
            var currentSharesValue = shares * lastPrice;

            var totalProfit = currentSharesValue - sharesAverageCost;
            var isTotalProfitPositive = totalProfit >= 0;
            
            this.SharesProfitOrLossLabel.Text = (isTotalProfitPositive ? "+" : "-") + "$" + Math.Abs(totalProfit).ToString("N2");
            this.SharesProfitOrLossLabel.ForeColor = isTotalProfitPositive ? Color.LimeGreen : Color.Red;
        }
    }
}