using BiskLog_Point_Of_Sale.Classes;
using BiskLog_Point_Of_Sale.Multiple_Login;
using BiskLog_Point_Of_Sale.OPS_Report.Customers.Classes;
using BiskLog_Point_Of_Sale.OPS_Report.Products.Classes;
using BiskLog_Point_Of_Sale.Properties;
using ClosedXML.Excel;
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.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace BiskLog_Point_Of_Sale.OPS_Report.Sales
{
    public partial class CustomerSales : Form
    {
        SqlConnection cn;
        SqlCommand cm;
        SqlDataReader dr;
        DatabaseConn conn = new DatabaseConn();
        List<CustomerSalesClass> customerSales = new List<CustomerSalesClass>();
        public CustomerSales()
        {
            InitializeComponent();
            cn = new SqlConnection(conn.MyConnection());
            headingPanel.Left = (ClientSize.Width - headingPanel.Width) / 2;
            rangePanel.Left = (ClientSize.Width - rangePanel.Width) / 2;
            EpE.Left = (ClientSize.Width - EpE.Width) / 2;
        }
        public int customerPurchases()
        {
            try
            {
                sellers.Invoke(new Action(() =>
               {
                   sellers.Rows.Clear();
                   customerSales.Clear();
                   head.Text = "Date : " + dateLower.Value.ToLongDateString() + " to " + dateHigher.Value.ToLongDateString();
                   cn.Open();
                   cm = new SqlCommand("Select c.Firstname,c.Surname,Sum(tc.quantity) as purchased,sum(tc.price) from tblCustomerPurchases cp " +
                       "Inner Join tblCustomers c On c.customerID = cp.customerID Inner Join tblCart tc On tc.transno = cp.transactionID where " +
                       "cp.branchID = @branchID and(tc.date between @lower and @higher) group by c.Firstname, c.Surname order by c.Firstname asc", cn);
                   cm.Parameters.AddWithValue("@branchID", Settings.Default.BranchID);
                   cm.Parameters.AddWithValue("@higher", dateHigher.Value);
                   cm.Parameters.AddWithValue("@lower", dateLower.Value);
                   cm.ExecuteNonQuery();
                   dr = cm.ExecuteReader();
                   while (dr.Read())
                   {
                       CustomerSalesClass customer = new CustomerSalesClass();
                       customer.customerName = dr[0].ToString().ToUpper() + " " + dr[1].ToString().ToUpper();
                       customer.quantity = int.Parse(dr[2].ToString());
                       customer.cost = decimal.Parse(dr[3].ToString());
                       customer.price = Settings.Default.currrencyCode + " " + dr[3].ToString();
                       customerSales.Add(customer);
                   }
                   dr.Close();
                   cn.Close();
               }));
                return 1;
            }
            catch (Exception ex)
            {
                cn.Close();
                ErrorLogging.WriteToFile(ex.ToString());
                return 0;
            }
        }

        private async void CustomerSales_Load(object sender, EventArgs e)
        {
            Task<int> task = new Task<int>(customerPurchases);
            EpE.Visible = true;
            holding.Value = 0;
            task.Start();
            var progress = new Progress<int>(percent =>
            {
                holding.Value = percent;

            });
            await Task.Run(() => Progression.DoSomething(progress));
            int result = await task;
            if (result == 1)
            {
                foreach (CustomerSalesClass varseller in customerSales)
                {
                    sellers.Rows.Add(varseller.customerName, varseller.quantity, Settings.Default.currrencyCode + " " + varseller.cost);
                }
            }
            else
            {
                string title = "Error Occurred";
                string message = "An error occurred while trying to generate report, please try again later";
                NoAction noAction = new NoAction(title, message);
                noAction.BringToFront();
                noAction.ShowDialog();
            }
            EpE.Visible = false;
        }
        private int GenerateExcel(List<CustomerSalesClass> publish, string filepath)
        {
            try
            {
                var workbook = new XLWorkbook();
                var worksheet = workbook.Worksheets.Add(title.Text);
                int i = 4;
                worksheet.Cell("A1").Value = title.Text;
                worksheet.Cell("A2").Value = head.Text;
                worksheet.Cell("A3").Value = "CUSTOMER NAME";
                worksheet.Cell("B3").Value = "QUANTITY";
                worksheet.Cell("C3").Value = "WORTH";

                worksheet.Range("A1:C1").Row(1).Merge();
                worksheet.Range("A2:C2").Row(1).Merge();

                worksheet.Range("A1:C1").Style.Fill.BackgroundColor = XLColor.FromArgb(10, 10, 56);
                worksheet.Range("A2:C2").Style.Fill.BackgroundColor = XLColor.FromArgb(10, 10, 56);
                worksheet.Range("A3:C3").Style.Fill.BackgroundColor = XLColor.FromArgb(10, 10, 56);

                worksheet.Range("A1:C1").Style.Font.FontColor = XLColor.White;
                worksheet.Range("A2:C2").Style.Font.FontColor = XLColor.White;
                worksheet.Range("A3:C3").Style.Font.FontColor = XLColor.White;

                foreach (CustomerSalesClass row in publish)
                {
                    worksheet.Cell("A" + i).Style.Border.SetLeftBorder(XLBorderStyleValues.Thick);
                    worksheet.Cell("C" + i).Style.Border.SetRightBorder(XLBorderStyleValues.Thick);
                    worksheet.Cell("A" + i).Value = row.customerName;
                    worksheet.Cell("B" + i).Value = row.quantity;
                    worksheet.Cell("C" + i).Value = row.price;

                    worksheet.Cell("A" + i).Style.Border.SetBottomBorder(XLBorderStyleValues.Thin);
                    worksheet.Cell("B" + i).Style.Border.SetBottomBorder(XLBorderStyleValues.Thin);
                    worksheet.Cell("C" + i).Style.Border.SetBottomBorder(XLBorderStyleValues.Thin);
                    i++;
                }
                worksheet.Cell("A1").Style.Border.SetLeftBorder(XLBorderStyleValues.Thick);
                worksheet.Cell("C1").Style.Border.SetRightBorder(XLBorderStyleValues.Thick);
                worksheet.Cell("A2").Style.Border.SetLeftBorder(XLBorderStyleValues.Thick);
                worksheet.Cell("C2").Style.Border.SetRightBorder(XLBorderStyleValues.Thick);
                worksheet.Cell("A3").Style.Border.SetLeftBorder(XLBorderStyleValues.Thick);
                worksheet.Cell("C3").Style.Border.SetRightBorder(XLBorderStyleValues.Thick);
                worksheet.Cell("A3").Style.Border.SetBottomBorder(XLBorderStyleValues.Thick);
                worksheet.Cell("B3").Style.Border.SetBottomBorder(XLBorderStyleValues.Thick);
                worksheet.Cell("C3").Style.Border.SetBottomBorder(XLBorderStyleValues.Thick);
                worksheet.Cells().Style.Alignment.Vertical = XLAlignmentVerticalValues.Center;
                worksheet.Cells().Style.Alignment.Horizontal = XLAlignmentHorizontalValues.Center;
                worksheet.Row(1).Height = 20.0;
                worksheet.Row(2).Height = 20.0;
                worksheet.Columns().AdjustToContents();
                worksheet.Column(1).Width = 30.43;
                workbook.SaveAs(filepath);
                return 1;
            }
            catch (Exception ex)
            {
                ErrorLogging.WriteToFile(ex.ToString());
                return 0;
            }
        }

        private void Button1_Click(object sender, EventArgs e)
        {
            if (customerSales.Count > 0)
            {
                string printerReportDefault = Settings.Default.ReportPrinter;
                string printLocation;
                ProductHeaders headers = new ProductHeaders();
                headers.header1 = title.Text;
                headers.header2 = head.Text;
                List<ProductHeaders> reportHeaders = new List<ProductHeaders>();
                reportHeaders.Add(headers);
                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))
                    {
                        printLocation = folder.SelectedPath + @"\" + title.Text + @"report" + DateTime.Now.ToString("yyyyMMddHHmmssfff") + ".pdf";
                        LocalReport report = new LocalReport();
                        string path = Path.GetDirectoryName(Application.ExecutablePath);
                        string fullpath = Path.GetDirectoryName(Application.ExecutablePath).Remove(path.Length - 10) +
                            @"\OPS Report\Customers\Reports\CustomerSales.rdlc";
                        report.ReportPath = fullpath;
                        report.DataSources.Add(new ReportDataSource("Purchases", customerSales));
                        report.DataSources.Add(new ReportDataSource("Headers", reportHeaders));
                        ReportConfig.PrintToPrinter(report, printLocation, printerReportDefault);
                    }
                }
                else
                {
                    printLocation = "";
                    LocalReport report = new LocalReport();
                    string path = Path.GetDirectoryName(Application.ExecutablePath);
                    string fullpath = Path.GetDirectoryName(Application.ExecutablePath).Remove(path.Length - 10) +
                            @"\OPS Report\Customers\Reports\CustomerSales.rdlc";
                    report.ReportPath = fullpath;
                    report.DataSources.Add(new ReportDataSource("Purchases", customerSales));
                    report.DataSources.Add(new ReportDataSource("Headers", reportHeaders));
                    ReportConfig.PrintToPrinter(report, printLocation, printerReportDefault);
                }
            }
            else
            {
                string title = "Report Not available";
                string message = "Sorry there was no report generated to complete this action, please try again later.";
                NoAction noAction = new NoAction(title, message);
                noAction.BringToFront();
                noAction.ShowDialog();
            }
        }

        private async void Button2_Click(object sender, EventArgs e)
        {
            if (customerSales.Count > 0)
            {
                string filelocation = "";
                DialogResult result = excelExport.ShowDialog();
                if (result == DialogResult.OK)
                {
                    filelocation = excelExport.FileName;
                    Task<int> task = new Task<int>(() => GenerateExcel(customerSales, filelocation));
                    EpE.Visible = true;
                    holding.Value = 0;
                    task.Start();
                    var progress = new Progress<int>(percent =>
                    {
                        holding.Value = percent;

                    });
                    await Task.Run(() => Progression.DoSomething(progress));
                    int report = await task;
                    if (report == 1)
                    {
                        string title = "Success";
                        string message = "Excel report exported successfully";
                        NoAction noAction = new NoAction(title, message);
                        noAction.BringToFront();
                        noAction.ShowDialog();
                    }
                    else
                    {
                        string title = "Error Occurred";
                        string message = "An error occurred while exporting the excel report, please try again later.";
                        NoAction noAction = new NoAction(title, message);
                        noAction.BringToFront();
                        noAction.ShowDialog();
                    }
                    EpE.Visible = false;
                }
            }
        }
    }
}