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 NHibernate;
using FluentNHibernate;
using FluentNHibernate.Cfg;
using FluentNHibernate.Cfg.Db;
using Results;
using Results.Entities;
using Statistics.Resources;
using Statistics.UserControls;

namespace Statistics
{
    public partial class StatisticsDlg : Form
    {
        static string[] testBenchNames = new string[] { "WR10", "WR11", "WR13", "WR14", "WR15", "PT7" };
        ///
#if false
        static string[] connectionStrings = new string[] {
            "SERVER=10.42.128.197; DATABASE=st-wr10-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;", /// WR10
            "SERVER=10.42.128.98; DATABASE=st-wr11-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;",  /// WR11
            "SERVER=10.42.128.152; DATABASE=st-wr13-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;", /// WR13
            "SERVER=10.42.128.143; DATABASE=st-wr14-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;", /// WR14
            "SERVER=10.42.128.63; DATABASE=st-wr15-r; UID=vysledky; PASSWORD=GAqx76QUB6NbnpZP; CHARSET=utf8;",  /// WR15
            ""                                                                                                  /// PT7
        };
#else
        static string[] connectionStrings = new string[] {
            "SERVER=localhost; DATABASE=st-wr10-r; UID=root; PASSWORD=; CHARSET=utf8;",		/// WR10
            "SERVER=localhost; DATABASE=st-wr11-r; UID=root; PASSWORD=; CHARSET=utf8;",		/// WR11
            "SERVER=localhost; DATABASE=st-wr13-r; UID=root; PASSWORD=; CHARSET=utf8;",		/// WR13
            "SERVER=localhost; DATABASE=st-wr14-r; UID=root; PASSWORD=; CHARSET=utf8;",		/// WR14
            "SERVER=localhost; DATABASE=st-wr15-r; UID=root; PASSWORD=; CHARSET=utf8;",		/// WR15
            ""                                                                              /// PT7
        };
#endif
		/// 
        static ISessionFactory[] sessionFactories = new ISessionFactory[6];



        public StatisticsDlg()
        {
            InitializeComponent();
            
            ManageCheckGroupBox(timePeriodCheckBox, timePeriodGroupBox);

            for (MidId midId = 0; midId < MidId.Count; midId++)
            {
                int i = (int)midId;
                midsTabControl.TabPages[i].Text = midId.ToString();
                (midsTabControl.TabPages[i].Controls[0] as MidOrWaterMetersCtrl).MidId = midId;
                (midsTabControl.TabPages[i].Controls[0] as MidOrWaterMetersCtrl).Parent = this;
            }
            midsTabControl.TabPages[0].Text = Strings.Water_meters;
            
            Localize();
        }

        void Localize()
        {
            Text = Strings.Statistics;
            timePeriodCheckBox.Text = Strings.Time_period;
            fromLabel1.Text = Strings.From;
            toLabel1.Text = Strings.To;
        }

        private void StatisticsDlg_Load(object sender, EventArgs e)
        {
            for (int i = 0; i < testBenchNames.Length; i++)
            {
                if ((i < connectionStrings.Length) && !string.IsNullOrEmpty(connectionStrings[i]))
                {
                    sessionFactories[i] = null;
                    try
                    {
                        sessionFactories[i] = Fluently.Configure()
                                                      .Database(MySQLConfiguration.Standard.ConnectionString(connectionStrings[i]))
                                                      .Mappings(m => m.FluentMappings.AddFromAssemblyOf<Results.Entities.Batch>())
                                                      .ExposeConfiguration(BuildSchema)
                                                      .BuildSessionFactory();
                    }
                    catch (Exception)
                    {
                        MessageBox.Show(string.Format("Cannot open one of database of {0}", testBenchNames[i]), "Error", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);                
                    }
                }
            }
        }

        void BuildSchema(NHibernate.Cfg.Configuration config)
        {
            /// This NHibernate tool takes a configuration with mapping info and exports a database schema
            new NHibernate.Tool.hbm2ddl.SchemaExport(config).SetOutputFile("db_schema");
        }

        private void ManageCheckGroupBox(CheckBox chk, GroupBox grp)
        {
            /// Make sure the CheckBox isn't in the GroupBox. This will only happen the first time.
            if (chk.Parent == grp)
            {
                grp.Parent.Controls.Add(chk);                                       /// Reparent the CheckBox so it's not in the GroupBox.
                chk.Location = new Point(chk.Left + grp.Left, chk.Top + grp.Top);   /// Adjust the CheckBox's location.
                chk.BringToFront();                                                 /// Move the CheckBox to the top of the stacking order.
            }

            /// Enable or disable the GroupBox.
            grp.Enabled = chk.Checked;
        }

        private void timePeriodCheckBox_CheckedChanged(object sender, EventArgs e)
        {
            ManageCheckGroupBox(timePeriodCheckBox, timePeriodGroupBox);
        }


        public void UpdateRequest(int benchId, MidId midId)
        {
            if (benchId >= sessionFactories.Length || sessionFactories[benchId] == null || (midId == MidId.WaterMeters))
            {
                if (midId == MidId.WaterMeters)
                {
                    MessageBox.Show("Loading statistics of water meters is not implemented yet");
                }
                else
                {
                    MessageBox.Show(string.Format("Cannot load statistics of {0}", (benchId < testBenchNames.Length) ? testBenchNames[benchId] : "XY"));
                }
                return;
            }

            try
            {
                ISession session = sessionFactories[benchId].OpenSession();
                var listOfComponentsWithFlowmeter = session.QueryOver<Components>()
                                                           .Where(x => (x.Flowmeter == midId.ToString()))
                                                           .List();
                IList<TestRslt> testRslts = new List<TestRslt>();
                foreach (var cmpnts in listOfComponentsWithFlowmeter)
                {
                    var listOfRslts = session.QueryOver<TestRslt>()
                                             .Where(x => ((x.EndTime >= dateTimeFromPicker.Value) && (x.EndTime <= dateTimeToPicker.Value)))
                                             .And(x => (x.Components == cmpnts))
                                             .List();
                    foreach (var tr in listOfRslts) testRslts.Add(tr);
                }

                session.Close();
            }
            catch (Exception exc)
            {
                MessageBox.Show(string.Format("Error loading statistics of {0}\r\n{1}", (benchId < testBenchNames.Length) ? testBenchNames[benchId] : "XY", exc.Message));
            }
        }
    }
}