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.Customer
{
    public partial class DeliveryLogs : Form
    {
        SqlConnection cn;
        SqlDataReader dr;
        SqlCommand cm;
        DatabaseConn conn = new DatabaseConn();
        string customerID;
        public DeliveryLogs(string customerID)
        {
            InitializeComponent();
            cn = new SqlConnection(conn.MyConnection());
            this.customerID = customerID;
            holding.Left = (ClientSize.Width - holding.Width) / 2;
            holding.Top = (ClientSize.Height - holding.Height) / 2;
        }
        public int loadPurchases()
        {
            try
            {
                dataGridView1.Invoke(new Action(() =>
                {
                    int i = 1;
                    dataGridView1.Rows.Clear();
                    cn.Open();
                    cm = new SqlCommand("Select dh.dateCompleted,dh.deliveryID,Sum(dd.quantity),dh.totalCost,dh.status from tblDeliveryHead dh Inner Join " +
                        "tblDeliveryDetails dd on dd.deliveryID = dh.deliveryID where dh.customerID = @customerID " +
                        "and dh.branchID = @branch group by dh.dateCompleted,dh.deliveryID,dh.totalCost,dh.status", cn);
                    cm.Parameters.AddWithValue("@customerID", this.customerID);
                    cm.Parameters.AddWithValue("@branch", Settings.Default.BranchID);
                    cm.ExecuteNonQuery();
                    dr = cm.ExecuteReader();
                    while (dr.Read())
                    {
                        if (dr[4].ToString().Equals("DELIVERED"))
                        {
                            dataGridView1.Rows.Add(i, Convert.ToDateTime(dr[0].ToString()).ToLongDateString() + " " + Convert.ToDateTime(dr[0].ToString()).ToLongTimeString(),
                                dr[1].ToString(), dr[2].ToString(), Settings.Default.currrencyCode + " " + dr[3].ToString());
                            i++;
                        }
                        else
                        {

                            dataGridView1.Rows.Add(i, "PENDING DELIVERY",dr[1].ToString(), dr[2].ToString(), Settings.Default.currrencyCode + " " + dr[3].ToString());
                            i++;
                        }
                    }
                    dr.Close();
                    cn.Close();
                }));
                return 1;
            }catch(Exception ex)
            {
                cn.Close();
                ErrorLogging.WriteToFile(ex.ToString());
                return 0;
            }
        }
        private async void ShopPurchase_Load(object sender, EventArgs e)
        {
            Task<int> task = new Task<int>(loadPurchases);
            holding.Visible = true;
            task.Start();
            int result = await task;
            if (result == 0)
            {
                string title = "Error Occurred";
                string message = "An error occurred while getting customer purchase history, please try again later.";
                NoAction noAction = new NoAction(title,message);
                noAction.BringToFront();
                noAction.ShowDialog();
            }
            holding.Visible = false;
        }
    }
}