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

namespace BiskLog_Point_Of_Sale.Delivery
{
    public partial class NewTruck : Form
    {
        public string licensePlate;
        public string truckID;
        public bool created = false;
        public bool ready = false;
        SqlConnection cn;
        SqlCommand cm;
        DatabaseConn conn = new DatabaseConn();
        SqlDataReader dr;
        public NewTruck()
        {
            InitializeComponent();
            cn = new SqlConnection(conn.MyConnection());
        }

        private void BtnExit_MouseEnter(object sender, EventArgs e)
        {
            btnExit.BackColor = Color.Crimson;
        }

        private void BtnExit_MouseLeave(object sender, EventArgs e)
        {
            btnExit.BackColor = Color.FromArgb(20, 158, 132);
        }

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

        private void License_TextChanged(object sender, EventArgs e)
        {
            licensePlate = trucklicense.Text;
        }

        public int loadDrivers()
        {
            try
            {
                cn.Open();
                cm = new SqlCommand("Select driverID,firstname,surname from tblDrivers where branchID = @branchID and status = 'UNASSIGNED'", cn);
                cm.Parameters.AddWithValue("@branchID", Settings.Default.BranchID);
                cm.ExecuteNonQuery();
                dr = cm.ExecuteReader();
                while (dr.Read())
                {
                    ComboboxItem combobox = new ComboboxItem();
                    combobox.Text = dr[1].ToString().ToUpper() + " " + dr[2].ToString().ToUpper();
                    combobox.Value = dr[0].ToString();
                    truckDrivers.Invoke(new Action (() => truckDrivers.Items.Add(combobox)));
                }
                dr.Close();
                cn.Close();
                return 1;
            }
            catch (Exception ex)
            {
                cn.Close();
                ErrorLogging.WriteToFile(ex.ToString());
                return 0;
            }
        }
        public int addNewTruck()
        {
            string truckPlate = null, truckBrand = null, weight = null, driver = null;
            lbltruckID.Invoke(new Action(() =>
            {
                try
                {
                    truckID = lbltruckID.Text;
                    truckPlate = trucklicense.Text;
                    licensePlate = truckPlate;
                    truckBrand = this.truckBrand.Text;
                    weight = truckWeight.Text;
                    driver = (truckDrivers.SelectedItem as ComboboxItem).Value.ToString();
                }
                catch (Exception ex)
                {
                    ErrorLogging.WriteToFile(ex.ToString());
                }
            }));
            if (!String.IsNullOrEmpty(truckID) && !String.IsNullOrEmpty(truckPlate) && !String.IsNullOrEmpty(truckBrand)
                && !String.IsNullOrEmpty(weight))
            {
                cn.Open();
                SqlTransaction transaction = cn.BeginTransaction();
                try
                {
                    if (!String.IsNullOrEmpty(driver))
                    {
                        cm = new SqlCommand("Insert into tblTrucks (truckID,licensePlate,brand,driver,weight,branchID) values " +
                        "(@truckID,@licensePlate,@brand,@driver,@weight,@branchID)", cn, transaction);
                        cm.Parameters.AddWithValue("@truckID", truckID);
                        cm.Parameters.AddWithValue("@licensePlate", truckPlate);
                        cm.Parameters.AddWithValue("@brand", truckBrand);
                        cm.Parameters.AddWithValue("@weight", weight);
                        cm.Parameters.AddWithValue("@driver", driver);
                        cm.Parameters.AddWithValue("@branchID", Settings.Default.BranchID);
                        cm.ExecuteNonQuery();

                        cm = new SqlCommand("Insert into tblTruck_DriverMapping (truckID,driverID,dateEntry,operation,countID) values " +
                            "(@truckID,@driverID,@dateEntry,@operation,@countID)", cn, transaction);
                        cm.Parameters.AddWithValue("@truckID", truckID);
                        cm.Parameters.AddWithValue("@driverID", driver);
                        cm.Parameters.AddWithValue("@dateEntry", DateTime.Now);
                        cm.Parameters.AddWithValue("@operation", "DRIVER ASSIGNED TO TRUCK");
                        cm.Parameters.AddWithValue("@countID", DateTime.Now.ToString("yyyyMMddHHmmssfff"));
                        cm.ExecuteNonQuery();

                        cm = new SqlCommand("Update tblDrivers set status = @status where driverID = @driverID", cn, transaction);
                        cm.Parameters.AddWithValue("@driverID", driver);
                        cm.Parameters.AddWithValue("@status", "ASSIGNED");
                        cm.ExecuteNonQuery();
                        ready = true;
                    }
                    else
                    {
                        cm = new SqlCommand("Insert into tblTrucks (truckID,licensePlate,brand,weight,branchID) values " +
                        "(@truckID,@licensePlate,@brand,@weight,@branchID)", cn, transaction);
                        cm.Parameters.AddWithValue("@truckID", truckID);
                        cm.Parameters.AddWithValue("@licensePlate", truckPlate);
                        cm.Parameters.AddWithValue("@brand", truckBrand);
                        cm.Parameters.AddWithValue("@weight", weight);
                        cm.Parameters.AddWithValue("@branchID", Settings.Default.BranchID);
                        cm.ExecuteNonQuery();
                    }
                    transaction.Commit();
                    cn.Close();
                    return 1;
                }
                catch (Exception ex)
                {
                    ErrorLogging.WriteToFile(ex.ToString());
                    transaction.Rollback();
                    ready = false;
                    cn.Close();
                    return 0;
                }
            }
            else
            {
                return 2;
            }
        }
        private async void NewTruck_Load(object sender, EventArgs e)
        {
            Task<int> task = new Task<int>(loadDrivers);
            task.Start();
            await task;
            lbltruckID.Text = String.Format("{0:d12}", (DateTime.Now.Ticks / 10) % 1000000000);
        }
        private async void BtnAdd_Click(object sender, EventArgs e)
        {
            ready = false;
            Task<int> task = new Task<int>(addNewTruck);
            btnAdd.Visible = false;
            holding.Visible = true;
            task.Start();
            int result = await task;
            string title = null, message = null;
            switch (result)
            {
                case 1:
                    if (ready)
                    {
                        title = "Success";
                        message = "Truck created successfully you can now assign delivery orders to this truck";
                    }
                    else
                    {
                        title = "Success";
                        message = "Truck created successfully, before you can now assign delivery orders to this truck you must set a designated " +
                            "driver for this truck";
                    }
                    NoAction noAction = new NoAction(title, message);
                    noAction.BringToFront();
                    noAction.ShowDialog();
                    created = true;
                    this.DialogResult = DialogResult.OK;
                    this.Close();
                    break;
                case 2:
                    title = "Truck Not createdd";
                    message = "To add a new truck you must make sure all fields with red asterisks are filled";
                    NoAction noAction1 = new NoAction(title, message);
                    noAction1.BringToFront();
                    noAction1.ShowDialog();
                    foreach (Control c in panel2.Controls)
                    {
                        if (c.Text == "*")
                        {
                            c.Visible = true;
                        }
                    }
                    break;
                case 0:
                    title = "Error occurred";
                    message = "An error occurred while creating truck, please try again later";
                    NoAction noAction2 = new NoAction(title, message);
                    noAction2.BringToFront();
                    noAction2.ShowDialog();
                    break;
            }
            btnAdd.Visible = true;
            holding.Visible = false;
        }
    }
}