using BiskLog_Point_Of_Sale.Classes;
using BiskLog_Point_Of_Sale.Multiple_Login;
using BiskLog_Point_Of_Sale.Properties;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace BiskLog_Point_Of_Sale.Invoice
{
    public partial class InvoiceRecheck : Form
    {
        List<OldAndNew> list;
        public List<InvoicePOS> vetted = new List<InvoicePOS>();
        List<InvoicePOS> changed = new List<InvoicePOS>();
        List<InvoicePOS> unchanged = new List<InvoicePOS>();
        public InvoiceRecheck(List<OldAndNew> list)
        {
            InitializeComponent();
            this.list = list;
        }

        private void InvoiceRecheck_Load(object sender, System.EventArgs e)
        {
            invoiceList.Columns["bqty"].ReadOnly = false;
            invoiceList.Columns[0].ReadOnly = true;
            invoiceList.Columns[1].ReadOnly = true;
            invoiceList.Columns[2].ReadOnly = true;
            invoiceList.Columns[4].ReadOnly = true;
            invoiceList.Columns[5].ReadOnly = true;
            invoiceList.Columns[6].ReadOnly = true;
            invoiceList.Columns[7].ReadOnly = true;
            invoiceList.Columns[8].ReadOnly = true;
            invoiceList.Columns[9].ReadOnly = true;
            string currency = Settings.Default.currrencyCode + " ";
            int i = 1;
            foreach (OldAndNew pos in list)
            {
                invoiceList.Rows.Add(i, pos.productCode, pos.productname, pos.old_quantity, pos.unitName,
                    pos.new_quantity, currency + pos.old_price, currency + pos.new_price, pos.unitCode, pos.distinctiveCode);
                invoiceList.Rows[i - 1].Cells[3].Style.BackColor = Color.FromArgb(10, 10, 120);
                if (pos.old_quantity > pos.new_quantity)
                {
                    invoiceList.Rows[i - 1].Cells[3].Style.BackColor = Color.DarkRed;
                    invoiceList.Rows[i - 1].Cells[3].Style.ForeColor = Color.White;
                    invoiceList.Rows[i - 1].Cells[3].Style.Alignment = DataGridViewContentAlignment.MiddleCenter;
                    invoiceList.Rows[i - 1].Cells[3].Style.Font = new Font("Segoe UI", 12, style: FontStyle.Bold);
                }
                else
                {
                    invoiceList.Rows[i - 1].Cells[3].Style.BackColor = Color.DarkGreen;
                    invoiceList.Rows[i - 1].Cells[3].Style.ForeColor = Color.White;
                    invoiceList.Rows[i - 1].Cells[3].Style.Alignment = DataGridViewContentAlignment.MiddleCenter;
                    invoiceList.Rows[i - 1].Cells[3].Style.Font = new Font("Segoe UI", 12, style: FontStyle.Bold);
                }
                i++;
            }
        }
        private void dataGridView1_EditingControlShowing(object sender, DataGridViewEditingControlShowingEventArgs e)
        {
            e.Control.KeyPress -= new KeyPressEventHandler(Column1_KeyPress);
            if (invoiceList.CurrentCell.ColumnIndex == 3) //Desired Column
            {
                TextBox tb = e.Control as TextBox;
                if (tb != null)
                {
                    tb.KeyPress += new KeyPressEventHandler(Column1_KeyPress);
                }
            }
        }

        private void Column1_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (!char.IsControl(e.KeyChar) && !char.IsDigit(e.KeyChar))
            {
                e.Handled = true;
            }
        }
        public int checkAvailabilty()
        {
            int priceChanges = 0;
            bool outOfOrder = false;
            try
            {

                foreach (DataGridViewRow rows in invoiceList.Rows)
                {
                    string code = rows.Cells[1].Value.ToString();
                    string name = rows.Cells[2].Value.ToString();
                    string unitName = rows.Cells[4].Value.ToString();
                    string unitCode = rows.Cells[8].Value.ToString();
                    string distinctiveCode = rows.Cells[9].Value.ToString();

                    int quantity = int.Parse(rows.Cells[3].Value.ToString().TrimStart('0'));
                    int available = int.Parse(rows.Cells[5].Value.ToString());
                    decimal perUnit = decimal.Parse(rows.Cells[7].Value.ToString().Substring(Settings.Default.currrencyCode.Length));
                    // decimal price = (quantity * perUnit);
                    decimal oldprice = decimal.Parse(rows.Cells[6].Value.ToString().Substring(Settings.Default.currrencyCode.Length));
                    if (quantity > available)
                    {
                        rows.Cells[3].Style.BackColor = Color.DarkRed;
                        rows.Cells[3].Style.ForeColor = Color.White;
                        rows.Cells[3].Style.Alignment = DataGridViewContentAlignment.MiddleCenter;
                        rows.Cells[3].Style.Font = new Font("Segoe UI", 12, style: FontStyle.Bold);
                        outOfOrder = true;
                    }
                    else
                    {
                        rows.Cells[3].Style.BackColor = Color.DarkGreen;
                        rows.Cells[3].Style.ForeColor = Color.White;
                        rows.Cells[3].Style.Alignment = DataGridViewContentAlignment.MiddleCenter;
                        rows.Cells[3].Style.Font = new Font("Segoe UI", 12, style: FontStyle.Bold);
                    }

                    if (oldprice != perUnit) priceChanges++;
                    InvoicePOS POSold = new InvoicePOS(
                        productCode: code, quantity: quantity, totalprice: oldprice * quantity, unitprice: oldprice, productname: name,
                        distinctiveCode: distinctiveCode, unitCode: unitCode, unitName: unitName
                        );

                    InvoicePOS POSnew = new InvoicePOS(
                        productCode: code, quantity: quantity, totalprice: perUnit * quantity, unitprice: perUnit, productname: name,
                        distinctiveCode: distinctiveCode, unitCode: unitCode, unitName: unitName
                        );

                    changed.Add(POSnew);
                    unchanged.Add(POSold);
                    invoiceList.ClearSelection();
                }
            }
            catch (Exception ex)
            {
                ErrorLogging.WriteToFile(ex.ToString());
            }
            if (!outOfOrder && (priceChanges == 0))
            {

                return 1;
            }
            else if (!outOfOrder && (priceChanges != 0))
            {

                return 2;
            }
            else { return 3; }

        }
        private void Exit_Click(object sender, System.EventArgs e)
        {
            this.DialogResult = DialogResult.Abort;
            this.Close();
        }

        private void Exit_MouseEnter(object sender, System.EventArgs e)
        {
            exit.BackColor = Color.Crimson;
        }

        private void Exit_MouseLeave(object sender, System.EventArgs e)
        {
            exit.BackColor = Color.Transparent;
        }

        private void InvoiceList_CellPainting(object sender, DataGridViewCellPaintingEventArgs e)
        {
            if (e.ColumnIndex == 3 && e.RowIndex != -1)
            {
                e.AdvancedBorderStyle.All = DataGridViewAdvancedCellBorderStyle.Single;
            }
            else
            {
                e.AdvancedBorderStyle.All = DataGridViewAdvancedCellBorderStyle.None;
            }
        }

        private void Button1_Click(object sender, System.EventArgs e)
        {
            string title = "";
            string message = "";
            int result = checkAvailabilty();
            switch (result)
            {
                case 1:
                    title = "Continue";
                    message = "Would you like to continue with the new changes ?";
                    Confirmation confirmation = new Confirmation(title, message);
                    confirmation.BringToFront();
                    confirmation.ShowDialog();
                    if (confirmation.DialogResult == DialogResult.Yes)
                    {
                        vetted = unchanged;
                        this.DialogResult = DialogResult.OK;
                        this.Close();
                    }
                    break;
                case 2:
                    title = "Confirm";
                    message = "Prices of some products might have been altered since the generation of this invoice, would you like to continue " +
                       "with the latest pricings ?";
                    Confirmation confirmatioon = new Confirmation(title, message);
                    confirmatioon.BringToFront();
                    confirmatioon.ShowDialog();
                    if (confirmatioon.DialogResult == DialogResult.Yes)
                    {
                        vetted = changed;
                        this.DialogResult = DialogResult.OK;
                        this.Close();
                    }
                    else
                    {
                        vetted = unchanged;
                        this.DialogResult = DialogResult.OK;
                        this.Close();
                    }
                    break;
                case 3:
                    title = "Attention";
                    message = "The quantity of some selected products may not been available please check and try again";
                    NoAction confirmatiooned = new NoAction(title, message);
                    confirmatiooned.BringToFront();
                    confirmatiooned.ShowDialog();
                    break;
                default:
                    break;
            }

        }
    }
}