using BiskLog_Point_Of_Sale.Classes;
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 DeliveryManagement : Form
    {
        SqlConnection cn;
        SqlCommand cm;
        SqlDataReader dr;
        DatabaseConn conn = new DatabaseConn();
        string SelecteddeliveryID, status, fullname, email;
        int rowSelectedIndex;
        DeliveryMain main;
        public DeliveryManagement(DeliveryMain main)
        {
            InitializeComponent();
            cn = new SqlConnection(conn.MyConnection());
            this.main = main;
            holding.Left = (ClientSize.Width - holding.Width) / 2;
        }
        private void AddProducts_Click(object sender, EventArgs e)
        {
            NewDelivery newDelivery = new NewDelivery();
            newDelivery.BringToFront();
            newDelivery.ShowDialog();
        }
        public int LoadPreviousOrders()
        {
            try
            {
                deliveries.Invoke(new Action(() =>
                {
                    int i = 1;
                    deliveries.Rows.Clear();
                    cn.Open();
                    cm = new SqlCommand("Select DH.deliveryID,DH.dateInitiated,DH.destination,DH.dateCompleted,DH.customerID,DH.generatedBy,DH.totalCost,DH.status,DR.fullname,DR.email from " +
                        "tblDeliveryHead DH Inner Join tblDeliveryRecipients DR on DR.deliveryID = DH.deliveryID where DH.branchID = @branchID order by DH.dateInitiated desc", cn);
                    cm.Parameters.AddWithValue("@branchID", Settings.Default.BranchID);
                    cm.ExecuteNonQuery();
                    dr = cm.ExecuteReader();
                    while (dr.Read())
                    {
                        if (!String.IsNullOrEmpty(dr[3].ToString()))
                        {
                            deliveries.Rows.Add(i, dr[0].ToString().ToUpper(), Convert.ToDateTime(dr[1].ToString()).ToLongDateString(), dr[2].ToString(),
                                Convert.ToDateTime(dr[3].ToString()).ToLongDateString(), dr[4].ToString(), dr[5].ToString(), Settings.Default.currrencyCode + " " + dr[6].ToString(),
                                dr[7].ToString(), dr[8].ToString().ToUpper(), dr[9].ToString());
                        }
                        else
                        {
                            deliveries.Rows.Add(i, dr[0].ToString().ToUpper(), Convert.ToDateTime(dr[1].ToString()).ToLongDateString(), dr[2].ToString(),
                                "-", dr[4].ToString(), dr[5].ToString(), Settings.Default.currrencyCode + " " + dr[6].ToString(), dr[7].ToString()
                                , dr[8].ToString().ToUpper(), dr[9].ToString());
                        }
                        i++;
                    }
                    cn.Close();
                    deliveries.ClearSelection();
                }));
                return 1;
            }
            catch
            {
                cn.Close();
                return 0;
            }
        }
        private async void DeliveryManagement_Load(object sender, EventArgs e)
        {
            hold.Visible = true;
            Task<int> task = new Task<int>(LoadPreviousOrders);
            task.Start();
            await task;
            hold.Visible = false;
        }
        private void Deliveries_CellClick(object sender, DataGridViewCellEventArgs e)
        {
            //if (e.RowIndex != -1)
            //{
            //    string deliveryIdentification = deliveries.Rows[e.RowIndex].Cells[1].Value.ToString();
            //    this.Invoke(new Action(() =>
            //   {
            //       DeliveryDetails delivery = new DeliveryDetails(deliveryIdentification);
            //       delivery.BringToFront();
            //       delivery.ShowDialog();
            //   }));
            //}
        }
        private async void REMAILORDERINVOICEToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (!String.IsNullOrEmpty(SelecteddeliveryID))
            {
                hold.Visible = true;
                string file = Environment.CurrentDirectory + @"\Order Invoice\" + SelecteddeliveryID + ".pdf";
                if (File.Exists(file))
                {
                    if (!String.IsNullOrEmpty(email))
                    {
                        if (IsValidEmail(email))
                        {
                            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 , please make sure you have an active internet " +
                                    "connection and try again !!!";
                                NoAction noActions = new NoAction(titles, messages);
                                noActions.BringToFront();
                                noActions.ShowDialog();
                            }
                        }
                        else
                        {
                            string title = "Invalid Email";
                            string message = "An error occurred while sending order invoice 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>(() =>
                    {
                        RegenerateInvoice.generateFile(SelecteddeliveryID);
                        return 1;
                    });

                    task.Start();
                    await task;
                    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, please try again";
                        NoAction noActions = new NoAction(titles, messages);
                        noActions.BringToFront();
                        noActions.ShowDialog();
                    }


                }
                hold.Visible = false;
            }
        }
        bool IsValidEmail(string email)
        {
            try
            {
                var addr = new MailAddress(email);
                return addr.Address == email;
            }
            catch
            {
                return false;
            }
        }
        private void Deliveries_MouseClick(object sender, MouseEventArgs e)
        {
            SelecteddeliveryID = "";
            try
            {
                if (e.Button == MouseButtons.Right)
                {
                    deliveries.ClearSelection();
                    DeliveryOptions.Show(deliveries, new Point(e.X, e.Y));
                    DataGridView.HitTestInfo hitTestInfo = deliveries.HitTest(e.X, e.Y);
                    deliveries.Rows[hitTestInfo.RowIndex].Selected = true;
                    SelecteddeliveryID = deliveries.Rows[hitTestInfo.RowIndex].Cells[1].Value.ToString();
                    status = deliveries.Rows[hitTestInfo.RowIndex].Cells[8].Value.ToString();
                    rowSelectedIndex = hitTestInfo.RowIndex;
                    fullname = deliveries.Rows[hitTestInfo.RowIndex].Cells[9].Value.ToString();
                    email = deliveries.Rows[hitTestInfo.RowIndex].Cells[10].Value.ToString();
                }
            }
            catch (Exception ex)
            {
                ErrorLogging.WriteToFile(ex.ToString());
            }
        }
        private async void PRINTORDERINVOICEToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (!String.IsNullOrEmpty(SelecteddeliveryID))
            {
                string printerReportDefault = Settings.Default.ReportPrinter;
                if (printerReportDefault == "Microsoft XPS Document Writer" || printerReportDefault == "Microsoft Print to PDF")
                {
                    FolderBrowserDialog folder = new FolderBrowserDialog();
                    DialogResult result = folder.ShowDialog();
                    if (result == DialogResult.OK && !String.IsNullOrEmpty(folder.SelectedPath))
                    {
                        string printLocation = folder.SelectedPath + @"\" + SelecteddeliveryID + ".pdf";
                        holding.Visible = true;
                        Task<int> task = new Task<int>(() => generatePrint(printLocation));
                        task.Start();
                        await task;
                        holding.Visible = false;
                    }
                }
                else
                {
                    holding.Visible = true;
                    Task<int> task = new Task<int>(() => generatePrint());
                    task.Start();
                    await task;
                    holding.Visible = false;
                }
            }
        }
        private void ASSIGNTRUCKToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (!String.IsNullOrEmpty(SelecteddeliveryID))
            {
                main.Loadingbay(SelecteddeliveryID);
            }
        }
        private void ORDERREVIEWToolStripMenuItem_Click(object sender, EventArgs e)
        {
            if (!String.IsNullOrEmpty(SelecteddeliveryID))
            {
                this.Invoke(new Action(() =>
            {
                DeliveryDetails delivery = new DeliveryDetails(SelecteddeliveryID, status);
                delivery.BringToFront();
                delivery.ShowDialog();
                if (delivery.delivered)
                {
                    deliveries.Rows[rowSelectedIndex].Cells[8].Value = "DELIVERED";
                }
                else if (delivery.cancelled)
                {
                    deliveries.Rows[rowSelectedIndex].Cells[8].Value = "CANCELLED";
                }
            }));
            }
        }
        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);
                mail.To.Add(email);
                mail.Subject = "Order invoice";
                mail.Body = "Hello " + fullname + " your order invoice has been attached to this mail";

                string file = Environment.CurrentDirectory + @"\Order Invoice\" + SelecteddeliveryID + ".pdf";
                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;
            }
        }
        public int generatePrint(string printLocation = null)
        {
            try
            {
                cn.Open();
                List<OrderInvoice> deliveryInvoice = new List<OrderInvoice>();
                List<products> productsList = new List<products>();
                string fullname, address, telephone, email, charges, itemTotal, fromDate, toDate, allTotal;
                OrderInvoice order = null;
                cm = new SqlCommand("Declare @totalProduct decimal(19,2) = (Select Sum(cost) from tblDeliveryDetails where deliveryID = @deliveryID) " +
                        "Declare @Addition decimal(19, 2) = case when(Select totalCost from tblDeliveryHead where deliveryID = @deliveryID) - @totalProduct <= 0 then 0 " +
                        "else (Select totalCost from tblDeliveryHead where deliveryID = @deliveryID) - @totalProduct end " +
                        "Select DR.fullname,DR.address,DR.telephone,DR.email,DR.fromDate,DR.toDate,DH.totalCost,DP.product_name,DD.quantity,DD.cost,@totalProduct,@Addition,DD.pcode,u.unitname from " +
                        "tblDeliveryDetails DD Inner Join tblDeliveryRecipients DR on DR.deliveryID = DD.deliveryID Inner Join tblDeliveryHead DH On DH.deliveryID = DD.deliveryID Inner Join " +
                        "tblProduct DP On DP.pcode = DD.pcode Inner Join UnitOfMeasure u On u.unitCode = DD.unit where DD.deliveryID = @deliveryID and DH.branchID = @branchID", cn);
                cm.Parameters.AddWithValue("@deliveryID", SelecteddeliveryID);
                cm.Parameters.AddWithValue("@branchID", Settings.Default.BranchID);
                cm.ExecuteNonQuery();
                dr = cm.ExecuteReader();
                while (dr.Read())
                {
                    fullname = dr[0].ToString().ToUpper();
                    address = dr[1].ToString().ToUpper();
                    telephone = dr[2].ToString();
                    email = dr[3].ToString();
                    fromDate = dr[4].ToString();
                    toDate = dr[5].ToString();
                    charges = Settings.Default.currrencyCode + " " + dr[11].ToString();
                    itemTotal = Settings.Default.currrencyCode + " " + dr[10].ToString();
                    allTotal = Settings.Default.currrencyCode + " " + dr[6].ToString();
                    products p = new products(dr[7].ToString().ToUpper(), dr[8].ToString(), Settings.Default.currrencyCode + " " + dr[9].ToString(),dr[12].ToString());
                    productsList.Add(p);
                    order = new OrderInvoice(
                                       orderDate: DateTime.Now.ToString("yyyy-MM-dd"), beginDate: fromDate, endDate: toDate,
                                       ProductsCost: itemTotal, additional: charges, All: allTotal, address: address, email: email,
                                       telephone: telephone, branchtelephone: Settings.Default.BranchTelephone, branchLocation: Settings.Default.BranchCity, branchName: Settings.Default.BranchName,
                                       orderid: SelecteddeliveryID, companyName: Settings.Default.CompanyName, customer: fullname
                                           );
                }
                dr.Close();
                cn.Close();
                deliveryInvoice.Add(order);
                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, Settings.Default.ReportPrinter);
                return 1;
            }
            catch
            {
                cn.Close();
                return 0;
            }
        }
    }
}