using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Diagnostics;
using GZTW.AyaNova.BLL;

namespace AyaNova.PlugIn.PerfAdvisor
{
    public partial class Advisor : Form
    {
        public Advisor()
        {
            InitializeComponent();
        }

        private void Advisor_Load(object sender, EventArgs e)
        {
            if (MessageBox.Show(
                           "Performance advisor will now test AyaNova base performance.\r\nThis may take some time.\r\n\r\nContinue?", "", MessageBoxButtons.OKCancel, MessageBoxIcon.Warning,
                       MessageBoxDefaultButton.Button2)
                          == DialogResult.Cancel)
                this.Close();
            List<PerfItem> list = new List<PerfItem>();
            Stopwatch sw = new Stopwatch();

            //Base db retrieval
            int nBaseIterations = 50;
            long dbOverhead = 0;//this is the time it takes just to run a query (sort of)
            sw.Start();            
            for (int x = 0; x < nBaseIterations; x++)
            {
                GZTW.AyaNova.BLL.Region.GetItem(GZTW.AyaNova.BLL.Region.DefaultRegionID);
                UserPickList.GetListOfOneSpecificUser(User.AdministratorID);
            }           
            sw.Stop();
            dbOverhead=sw.ElapsedMilliseconds/(nBaseIterations*2);
            list.Add(new PerfItem("Base DB query overhead", dbOverhead , 1));
            sw.Reset();

            //Clients
            sw.Start();
            ClientPickList cpl = ClientPickList.GetList();
           
            sw.Stop();
            list.Add(new PerfItem("Client pick list", sw.ElapsedMilliseconds-dbOverhead, cpl.Count));
            sw.Reset();

            //Parts
            sw.Start();
            PartPickList ppl = PartPickList.GetAllParts();
            sw.Stop();
            list.Add(new PerfItem("Part pick list", sw.ElapsedMilliseconds-dbOverhead, ppl.Count));
            sw.Reset();

            //Units
            sw.Start();
            UnitPickList upl = UnitPickList.GetListOfAll();
            sw.Stop();
            list.Add(new PerfItem("Unit pick list", sw.ElapsedMilliseconds - dbOverhead, upl.Count));
            sw.Reset();

            System.Text.StringBuilder sb=new StringBuilder();
            sb.Append("Results:\r\n");
            foreach (PerfItem p in list)
            {
                sb.Append(p.Test);
                sb.Append(": ");
                sb.Append(p.Milliseconds.ToString());
                sb.Append(" total milliseconds, ");
                sb.Append(p.MillisecondsAverage.ToString());
                sb.Append(" average milliseconds, ");
                sb.Append(p.Count.ToString());
                sb.Append(" count.\r\n");
            }

            MessageBox.Show(sb.ToString());
        }


    }
}