StockInfoCoreApp/StockInfoCore/frmSelling.cs

using DataDomain;
using Helpers;
using StockDAL.Interface;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Windows.Forms;

namespace StockInfoCore
{
    public partial class frmSelling : Form
    {
        private readonly IStockRepository _stockRepository;
        private List<StockMember> remainingStocks = new();
        public StockMember stkMemSelected { get; set; } = null;

        public frmSelling(IStockRepository stockRepository)
        {
            InitializeComponent();
            _stockRepository = stockRepository;
        }

        private void frmSelling_Load(object sender, EventArgs e)
        {
            Cursor.Current = Cursors.WaitCursor;
            ReloadRemainingStocks();
            Cursor.Current = DefaultCursor;

        }

        private void ReloadRemainingStocks()
        {
            remainingStocks = _stockRepository.GetAllRemainingStocks().ToList();
            foreach (var stock in remainingStocks)
            {
                var lvRow = lvSellCandidates.Items.Add(stock.StockId);
                lvRow.Tag = stock.Id;
                lvRow.SubItems.Add(stock.BuyDate.ToShortDateString());
                lvRow.SubItems.Add(stock.BuyValue.ToString());
                lvRow.SubItems.Add(stock.ActAmount.ToString());
                lvRow.SubItems.Add(stock.ActValue.ToString());
                lvRow.SubItems.Add((stock.ActValue * stock.ActAmount).ToString());
            }
        }

        private void SelectStock(object tag)
        {
            //Debug.WriteLine($"selected item {(int)tag}");
            foreach (var remStk in remainingStocks)
            {
                if (remStk.Id == (int)tag)
                {
                    stkMemSelected = remStk;
                    break;
                }
            }

            EditStockForSelling(stkMemSelected);
        }

        private void EditStockForSelling(StockMember stkMemSelected)
        {
            txtId.Text = stkMemSelected.Id.ToString();
            txtStockId.Text = stkMemSelected.StockId;
            txtBuyDate.Text = stkMemSelected.BuyDate.ToShortDateString();
            txtBuyNumber.Text = stkMemSelected.PostAmount.ToString();
            txtBuyPrice.Text = stkMemSelected.BuyValue.ToString("N2");
            txtBuyValue.Text = (stkMemSelected.BuyValue * stkMemSelected.PostAmount).ToString("N2");

            txtSoldDate.Text = DateTime.Today.ToShortDateString();
            txtSoldPrice.Text = stkMemSelected.ActValue.ToString("N2");
            txtSoldAmount.Text = stkMemSelected.ActAmount.ToString();
        }


        private void lvSellCandidates_MouseUp(object sender, MouseEventArgs e)
        {
            var selRows = lvSellCandidates.SelectedItems;
            SelectStock(selRows[0].Tag);
        }

        private void txtSoldPrice_TextChanged(object sender, EventArgs e)
        {
            CalcNumberAndValue();
        }

        private void txtSoldAmount_TextChanged(object sender, EventArgs e)
        {
            CalcNumberAndValue();
        }

        private void CalcNumberAndValue()
        {
            if (txtSoldPrice.Text.IsNumeric() && txtSoldAmount.Text.IsNumeric())
            {
                txtSellValue.Text = (decimal.Parse(txtSoldPrice.Text) * long.Parse(txtSoldAmount.Text)).ToString();
                txtRemainingNo.Text = stkMemSelected.ActAmount > 0 ? (stkMemSelected.PostAmount - long.Parse(txtSoldAmount.Text)).ToString() : 0.ToString();
                var gainLoose = (decimal.Parse(txtSellValue.Text) - decimal.Parse(txtBuyPrice.Text)*long.Parse(txtSoldAmount.Text));
                txtGainLoose.Text = gainLoose.ToString();
                if (gainLoose > 0)
                {
                    txtGainLoose.BackColor = Color.LightGreen;
                }
                else if (gainLoose == 0)
                {
                    txtGainLoose.BackColor = default; 
                }
                else
                {
                    txtGainLoose.BackColor = Color.LightPink;
                }
            }
        }

        private void btnConfirm_Click(object sender, EventArgs e)
        {
            SellCurrentStock();
        }

        private void SellCurrentStock()
        {
            if (txtSoldAmount.Text.IsNumeric() && txtSoldPrice.Text.IsNumeric())
            {
                _stockRepository.UpdateActualForSell(stkMemSelected.Id, int.Parse(txtSoldAmount.Text), decimal.Parse(txtSoldPrice.Text), DateTime.Parse(txtSoldDate.Text));
                var answer = MessageBox.Show($"Ok att sälja {stkMemSelected.StockId} ?","Selling" , MessageBoxButtons.OKCancel);
                if (DialogResult.OK == answer)
                {
                    ReloadRemainingStocks();
                }
            }
            else
            {
                MessageBox.Show("Something wrong with amounts");
            }

        }

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

    }
}