using BiskLog_Point_Of_Sale.Classes;
using BiskLog_Point_Of_Sale.Company_Setup;
using BiskLog_Point_Of_Sale.Multiple_Login;
using BiskLog_Point_Of_Sale.Properties;
using Microsoft.Reporting.WinForms;
using Point_Of_Sale_Managment;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Data.SqlClient;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Net.Mail;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace BiskLog_Point_Of_Sale.Delivery
{
    public partial class NewDelivery : Form
    {
        SqlConnection cn;
        SqlCommand cm;
        DatabaseConn conn = new DatabaseConn();
        SqlTransaction transaction;
        int i = 1;
        decimal itemTotal = decimal.Parse("0.00");
        string customerID = "DELCUS" + String.Format("{0:d12}", (DateTime.Now.Ticks / 10) % 1000000000);
        public static List<OrderInvoice> deliveryInvoice = new List<OrderInvoice>();
        public static List<products> productsList = new List<products>();
        string printLocation = "";
        List<string> cart = new List<string>();
        string currency;
        public NewDelivery(CustomerClass recipient = null)
        {
            InitializeComponent();
            cn = new SqlConnection(conn.MyConnection());
            currency = Settings.Default.currrencyCode + " ";
            if (recipient != null)
            {
                customerID = recipient.id;
                lblFullname.Text = recipient.firstname + " " + recipient.surname;
                lblAddress.Text = recipient.address;
                lblEmail.Text = recipient.email;
                lblTelephone.Text = recipient.telephone;
            }
        }

        private void Exit_Click(object sender, EventArgs e)
        {
            this.Close();
        }
        private void Exit_MouseEnter(object sender, EventArgs e)
        {
            exit.BackColor = Color.Crimson;
        }
        private void Exit_MouseLeave(object sender, EventArgs e)
        {
            exit.BackColor = Color.FromArgb(20, 158, 137);
        }
        private void NewDelivery_Load(object sender, EventArgs e)
        {
            DateTime Today = lblFrom.Value;
            lblTo.Value = Today.AddDays(5);
        }
        private void PictureBox1_Click(object sender, EventArgs e)
        {
            AddProductDelivery addProduct = new AddProductDelivery(this);
            addProduct.BringToFront();
            addProduct.ShowDialog();
            invoiceDetails.ClearSelection();
        }
        public void loadProductManual(string productName, int quantity, decimal price, string id,string unitname,string unitcode,string distinctive)
        {
            itemTotal += price;
            //invoiceDetails.Rows.Add(i, productName, quantity, Settings.Default.currrencyCode + " " + price, id);
            //i++;
            
            if (!cart.Contains(id) && !id.Equals(distinctive) && !cart.Contains(distinctive))
            {
                invoiceDetails.Rows.Add(i, productName,  quantity, unitname, currency + price, id, unitcode, distinctive);
                cart.Add(distinctive);
                i++;
            }
            else if (!cart.Contains(id) && id.Equals(distinctive) && !cart.Contains(distinctive))
            {
                invoiceDetails.Rows.Add(i,  productName,quantity, unitname, currency + price, id, unitcode, distinctive);
                cart.Add(id);
                i++;
            }
            else if (!id.Equals(distinctive) && !cart.Contains(distinctive))
            {
                invoiceDetails.Rows.Add(i, productName,  quantity, unitname, currency + price, id, unitcode, distinctive);
                cart.Add(distinctive);
                i++;
            }
            else
            {
                foreach (DataGridViewRow row in invoiceDetails.Rows)
                {
                    if (row.Cells[5].Value.ToString().Equals(id) && row.Cells[7].Value.ToString().Equals(distinctive))
                    {
                        int total_quantity = int.Parse(row.Cells[2].Value.ToString());
                        decimal total_bill = decimal.Parse(row.Cells[4].Value.ToString().Substring(currency.Length));
                        total_quantity += quantity;
                        row.Cells[2].Value = total_quantity;
                        row.Cells[4].Value = currency + " " + (total_bill*total_quantity);
                    }
                }
            }
            lblItemT.Text = Settings.Default.currrencyCode + " " + itemTotal.ToString();
            lblTotal.Text = Settings.Default.currrencyCode + " " + (decimal.Parse(lblCharges.Text) + itemTotal).ToString();
        }
        private void InvoiceDetails_CellClick(object sender, DataGridViewCellEventArgs e)
        {

            if (e.RowIndex != -1)
            {
                string colName = invoiceDetails.Columns[e.ColumnIndex].Name;
                if (colName == "Delete")
                {
                    decimal price = decimal.Parse(invoiceDetails.Rows[e.RowIndex].Cells[3].Value.ToString().Substring(Settings.Default.currrencyCode.Length));
                    itemTotal -= price;
                    lblItemT.Text = Settings.Default.currrencyCode + " " + itemTotal.ToString();
                    lblTotal.Text = Settings.Default.currrencyCode + " " + (decimal.Parse(lblCharges.Text) + itemTotal).ToString();
                    invoiceDetails.Rows.Remove(invoiceDetails.Rows[e.RowIndex]);
                    int b = 1;
                    foreach (DataGridViewRow row in invoiceDetails.Rows)
                    {
                        row.Cells[0].Value = b;
                        b++;
                    }
                    invoiceDetails.ClearSelection();
                }
            }
        }
        private void LblCharges_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == 8)
            {
                //accepts backspace
            }
            else if ((e.KeyChar < 48) || (e.KeyChar > 57)) //ascii code 48-57 between 0-9
            {
                e.Handled = true;
            }
            else if (e.KeyChar == 46)
            {
                // accepts . character
            }
        }
        public int ScheduleDelivery()
        {

            try
            {
                cn.Open();
                transaction = cn.BeginTransaction();
                string deliveryID = "D" + MainLogin.login_user.Substring(0, 2).ToUpper() + String.Format("{0:d12}", (DateTime.Now.Ticks / 10) % 1000000000);
                foreach (DataGridViewRow row in invoiceDetails.Rows)
                {
                    cm = new SqlCommand("Insert into tblDeliveryDetails (deliveryID,pcode,quantity,cost,countID,unit) values " +
                        "(@deliveryID,@pcode,@quantity,@cost,@countID,@unit)", cn, transaction);
                    cm.Parameters.AddWithValue("@deliveryID", deliveryID);
                    cm.Parameters.AddWithValue("@pcode", row.Cells[5].Value.ToString());
                    cm.Parameters.AddWithValue("@quantity", row.Cells[2].Value.ToString());
                    cm.Parameters.AddWithValue("@unit", row.Cells[6].Value.ToString());
                    cm.Parameters.AddWithValue("@cost", (row.Cells[4].Value.ToString()).Substring(Settings.Default.currrencyCode.Length));
                    cm.Parameters.AddWithValue("@countID", row.Cells[7].Value.ToString() + DateTime.Now.ToString("yyyyMMddHHmmssfff"));
                    cm.ExecuteNonQuery();
                    products p = new products(row.Cells[1].Value.ToString(), row.Cells[2].Value.ToString(), row.Cells[3].Value.ToString(), row.Cells[4].Value.ToString());
                    productsList.Add(p);
                }

                //tblDeliveryHead insert
                cm = new SqlCommand("Insert into tblDeliveryHead (deliveryID,generatedBy,dateInitiated,destination,customerID,status,branchID,totalCost) " +
                    "values (@deliveryID,@generatedBy,@dateInitiated,@destination,@customerID,@status,@branchID,@totalCost)", cn, transaction);
                cm.Parameters.AddWithValue("@deliveryID", deliveryID);
                cm.Parameters.AddWithValue("@generatedBy", MainLogin.login_user);
                cm.Parameters.AddWithValue("@dateInitiated", DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff"));
                cm.Parameters.AddWithValue("@destination", lblAddress.Text);
                cm.Parameters.AddWithValue("@customerID", customerID);
                cm.Parameters.AddWithValue("@status", "PROCESSING");
                cm.Parameters.AddWithValue("@branchID", Settings.Default.BranchID);
                cm.Parameters.AddWithValue("@totalCost", (lblTotal.Text).Substring(Settings.Default.currrencyCode.Length));
                cm.ExecuteNonQuery();

                //tblDeliveryRecipient insert
                cm = new SqlCommand("Insert into tblDeliveryRecipients (deliveryID,fullname,address,telephone,customerID,email,fromDate,toDate) " +
                    "values (@deliveryID,@fullname,@address,@telephone,@customerID,@email,@fromDate,@toDate)", cn, transaction);
                cm.Parameters.AddWithValue("@deliveryID", deliveryID);
                cm.Parameters.AddWithValue("@fullname", lblFullname.Text);
                cm.Parameters.AddWithValue("@telephone", lblTelephone.Text);
                cm.Parameters.AddWithValue("@address", lblAddress.Text);
                cm.Parameters.AddWithValue("@customerID", customerID);
                cm.Parameters.AddWithValue("@email", lblEmail.Text);
                cm.Parameters.AddWithValue("@fromDate", lblFrom.Value.ToString("yyyy-MM-dd"));
                cm.Parameters.AddWithValue("@toDate", lblTo.Value.ToString("yyyy-MM-dd"));
                cm.ExecuteNonQuery();
                transaction.Commit();
                cn.Close();
                deliveryInvoice.Clear();
                lblAddress.Invoke(new Action(() =>
                {
                    string moneyCode = Settings.Default.currrencyCode + " ";
                    OrderInvoice order = new OrderInvoice(
                    orderDate: DateTime.Now.ToString("yyyy-MM-dd"), beginDate: lblFrom.Value.ToString("yyyy-MM-dd"), endDate: lblTo.Value.ToString("yyyy-MM-dd"),
                    ProductsCost: lblItemT.Text, additional: moneyCode + lblCharges.Text, All: lblTotal.Text, address: lblAddress.Text, email: lblEmail.Text,
                    telephone: lblTelephone.Text, branchtelephone: Settings.Default.BranchTelephone, branchLocation: Settings.Default.BranchCity, branchName: Settings.Default.BranchName,
                    orderid: deliveryID, companyName: Settings.Default.CompanyName, customer: lblFullname.Text
                        );
                    deliveryInvoice.Add(order);
                }));

                try
                {
                    if (!Directory.Exists(Environment.CurrentDirectory + @"\Order Invoice"))
                    {
                        Directory.CreateDirectory(Environment.CurrentDirectory + @"\Order Invoice");
                    }
                    printLocation = Environment.CurrentDirectory + @"\Order Invoice\" + deliveryID + ".pdf";
                    LocalReport report = new LocalReport();
                    string path = Path.GetDirectoryName(Application.ExecutablePath);
                    string fullpath = Path.GetDirectoryName(Application.ExecutablePath).Remove(path.Length - 10) +
                        @"\Delivery\OrderInvoice.rdlc";
                    report.ReportPath = fullpath;
                    report.DataSources.Add(new ReportDataSource("Details", deliveryInvoice));
                    report.DataSources.Add(new ReportDataSource("products", productsList));
                    OrderInvoiceConfig.PrintToPrinter(report, printLocation, "Microsoft Print to PDF");
                }
                catch (Exception ex)
                {
                    ErrorLogging.WriteToFile(ex.ToString());
                }
                return 1;
            }
            catch (Exception ex)
            {
                ErrorLogging.WriteToFile(ex.ToString());
                transaction.Rollback();
                cn.Close();
                return 0;
            }
        }
        public int sendInvoice()
        {
            try
            {
                MailMessage mail = new MailMessage();
                string client = Settings.Default.smtpServer;
                string clientPort = Settings.Default.smtpPort;
                string username = Settings.Default.emailAddress;
                string password = passwordEncryption.Decrypt(Settings.Default.password);
                SmtpClient smtpClient = new SmtpClient(client);
                mail.From = new MailAddress(username);
                lblEmail.Invoke(new Action(() => mail.To.Add(lblEmail.Text)));
                mail.Subject = "Order invoice";
                lblFullname.Invoke(new Action(() => mail.Body = "Hello " + lblFullname.Text + " your order invoice has been attached to this mail"));

                string file = printLocation;
                System.Net.Mail.Attachment attachment;
                attachment = new Attachment(file);
                mail.Attachments.Add(attachment);

                smtpClient.Port = int.Parse(clientPort);
                smtpClient.Credentials = new System.Net.NetworkCredential(username, password);
                smtpClient.EnableSsl = true;
                smtpClient.Send(mail);
                return 1;
            }
            catch
            {
                return 0;
            }
        }
        bool IsValidEmail(string email)
        {
            try
            {
                var addr = new MailAddress(email);
                return addr.Address == email;
            }
            catch
            {
                return false;
            }
        }
        private async void Button1_Click(object sender, EventArgs e)
        {
            if (!String.IsNullOrEmpty(lblFullname.Text) || !String.IsNullOrEmpty(lblAddress.Text) || !String.IsNullOrEmpty(lblTelephone.Text))
            {
                if (!String.IsNullOrEmpty(lblEmail.Text))
                {
                    if (IsValidEmail(lblEmail.Text))
                    {


                        Task<int> task = new Task<int>(ScheduleDelivery);
                        holding.Visible = true;
                        task.Start();
                        int result = await task;
                        if (result == 1)
                        {

                            string title = "Order Successful";
                            string message = "Order has been processed successfully pending assignment to delivery truck";
                            NoAction noAction = new NoAction(title, message);
                            noAction.BringToFront();
                            noAction.ShowDialog();
                            Task<int> taskO = new Task<int>(sendInvoice);
                            taskO.Start();
                            int youin = await taskO;
                            if (youin == 1)
                            {
                                string titled = "Invoice Mailed";
                                string messaged = "Order invoice has been successfully mailed to the customer";
                                NoAction noActiond = new NoAction(titled, messaged);
                                noActiond.BringToFront();
                                noActiond.ShowDialog();
                            }
                            else
                            {
                                string titles = "Invoice not mailed";
                                string messages = "An error occurred while trying to mail invoice to customer";
                                NoAction noActions = new NoAction(titles, messages);
                                noActions.BringToFront();
                                noActions.ShowDialog();
                            }
                        }
                        else
                        {
                            string title = "Order not successful";
                            string message = "An error occurred while processing order, please try again later";
                            NoAction noAction = new NoAction(title, message);
                            noAction.BringToFront();
                            noAction.ShowDialog();
                        }
                        holding.Visible = false;
                    }
                    else
                    {
                        string title = "Invalid Email";
                        string message = "An error occurred while processing order due to an invalid email address entered," +
                            " please correct the email and try again";
                        NoAction noAction = new NoAction(title, message);
                        noAction.BringToFront();
                        noAction.ShowDialog();
                    }
                }
                else
                {
                    Task<int> task = new Task<int>(ScheduleDelivery);
                    holding.Visible = true;
                    task.Start();
                    int result = await task;
                    if (result == 1)
                    {

                        string title = "Order Successful";
                        string message = "Order has been processed successfully pending assignment to delivery truck";
                        NoAction noAction = new NoAction(title, message);
                        noAction.BringToFront();
                        noAction.ShowDialog();
                    }
                    else
                    {
                        string title = "Order not successful";
                        string message = "An error occurred while processing order, please try again later";
                        NoAction noAction = new NoAction(title, message);
                        noAction.BringToFront();
                        noAction.ShowDialog();
                    }
                    holding.Visible = false;
                }
            }
            else
            {
                string title = "Order not successful";
                string message = "Please make sure the receipent's name, address and telephone number fields are not empty and try again";
                NoAction noAction = new NoAction(title, message);
                noAction.BringToFront();
                noAction.ShowDialog();
            }
        }
        private void LblTelephone_KeyPress(object sender, KeyPressEventArgs e)
        {
            if (e.KeyChar == 8)
            {
                //accepts backspace
            }
            else if ((e.KeyChar < 48) || (e.KeyChar > 57)) //ascii code 48-57 between 0-9
            {
                e.Handled = true;
            }
        }
        private void LblCharges_TextChanged(object sender, EventArgs e)
        {
            if (!String.IsNullOrEmpty(lblCharges.Text))
            {
                lblTotal.Text = Settings.Default.currrencyCode + " " + (decimal.Parse(lblCharges.Text) + itemTotal).ToString();
            }
            else
            {
                lblTotal.Text = Settings.Default.currrencyCode + " " + (decimal.Parse("0.00") + itemTotal).ToString();
            }
        }
    }
}