using BiskLog_Point_Of_Sale.Classes;
using BiskLog_Point_Of_Sale.Multiple_Login;
using BiskLog_Point_Of_Sale.OPS_Report.Employee.Classes;
using BiskLog_Point_Of_Sale.OPS_Report.Products.Classes;
using BiskLog_Point_Of_Sale.Properties;
using LiveCharts;
using LiveCharts.Wpf;
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 EmployeeSalesChart : Form
    {
        SqlConnection cn;
        SqlCommand cm;
        SqlDataReader dr;
        DatabaseConn conn = new DatabaseConn();
        List<EmployeeSalesClass> employeeSales = new List<EmployeeSalesClass>();
        public EmployeeSalesChart()
        {
            InitializeComponent();
            cn = new SqlConnection(conn.MyConnection());
            headingPanel.Left = (ClientSize.Width - headingPanel.Width) / 2;
            rangePanel.Left = (ClientSize.Width - rangePanel.Width) / 2;
            buttons.Left = (ClientSize.Width - buttons.Width) / 2;
        }
        public void setChart()
        {
            try
            {
                Func<ChartPoint, string> labelPoint = chartPoint => string.Format("{0} ({1:P})", chartPoint.Y, chartPoint.Participation);
                SeriesCollection pieChart = new SeriesCollection();
                foreach (EmployeeSalesClass chart in employeeSales)
                {
                    pieChart.Add(
                        new PieSeries
                        {
                            Title = chart.employeename,
                            Values = new ChartValues<int> { chart.sold },
                            DataLabels = true,
                            LabelPoint = labelPoint

                        });
                    //chart2.InnerRadius = 25;
                }
                Saleschart.Series = pieChart;
                Saleschart.LegendLocation = LegendLocation.Right;
            }
            catch (Exception ex)
            {
                ErrorLogging.WriteToFile(ex.ToString());
            }
        }
        public int getSales()
        {
            try
            {
                employeeSales.Clear();
                Saleschart.Invoke(new Action(() =>
                {
                    int filter = 5;
                    if (!String.IsNullOrEmpty(this.filter.Text))
                    {
                        filter = int.Parse(this.filter.Text);
                    }
                    title.Text = "Top " + filter.ToString() + " Employee Sales Chart";
                    head.Text = "Date : " + dateLower.Value.ToLongDateString() + " to " + dateHigher.Value.ToLongDateString();
                    cn.Open();
                    cm = new SqlCommand("Select top (@filter) u.firstname,u.surname,Sum(tc.quantity) as number,Sum(tc.price) from tblUsers u Inner Join tblCart tc On tc.cashier = u.username " +
                        "where u.branchID = @branchID and(tc.date between @lower and @higher) group by u.firstname, u.surname order by number desc", cn);
                    cm.Parameters.AddWithValue("@branchID", Settings.Default.BranchID);
                    cm.Parameters.AddWithValue("@lower", dateLower.Value.ToString("yyyy-MM-dd"));
                    cm.Parameters.AddWithValue("@higher", dateHigher.Value.ToString("yyyy-MM-dd"));
                    cm.Parameters.AddWithValue("@filter", filter);
                    cm.ExecuteNonQuery();
                    dr = cm.ExecuteReader();
                    while (dr.Read())
                    {
                        EmployeeSalesClass salesClass = new EmployeeSalesClass();
                        salesClass.employeename = dr[0].ToString().ToUpper() + " " + dr[1].ToString().ToUpper();
                        salesClass.sold = int.Parse(dr[2].ToString());
                        salesClass.sales = Settings.Default.currrencyCode + " " + dr[3].ToString();
                        salesClass.total = decimal.Parse(dr[3].ToString());
                        employeeSales.Add(salesClass);
                    }
                    dr.Close();
                    cn.Close();
                }));
                return 1;
            }
            catch (Exception ex)
            {
                cn.Close();
                ErrorLogging.WriteToFile(ex.ToString());
                return 0;
            }
        }
        private async void EmployeeSalesChart_Load(object sender, EventArgs e)
        {
            Task<int> task = new Task<int>(getSales);
            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)
            {
                setChart();
            }
            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 void Button1_Click(object sender, EventArgs e)
        {
            if (employeeSales.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\Employee\Reports\EmployeeSalesChart.rdlc";
                        report.ReportPath = fullpath;
                        report.DataSources.Add(new ReportDataSource("Sales", employeeSales));
                        report.DataSources.Add(new ReportDataSource("Header", 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\Employee\Reports\EmployeeSalesChart.rdlc";
                    report.ReportPath = fullpath;
                    report.DataSources.Add(new ReportDataSource("Sales", employeeSales));
                    report.DataSources.Add(new ReportDataSource("Header", 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();
            }
        }
    }
}