//#define DISABLE_RELEASE_MODE_KLOGLEVEL_DEBUG // when defined will turn off kLogLevel_Debug messages, in release mode
//#define DISABLE_DEBUG_MODE_KLOGLEVEL_VERBOSE_DEBUG // when defined will turn off kLogLevel_VerboseDebug message, in debug mode
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Linq;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using libxmltv.Core;
using Enterprise.Logging;
using libxmltv.Interfaces;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
using System.Threading;
using System.Diagnostics;
using System.Xml.Linq;

namespace xmltv_parser
{

    public partial class main : Form
    {
        public main()
        {
            InitializeComponent();
            ListViewSorter Sorter = new ListViewSorter();
            lstPrograms.ListViewItemSorter = Sorter;
            string log_path = Application.StartupPath;
            string log_filename = string.Format("{0}.log", typeof(main).Assembly.GetName().Name);
            gLog.CreateLog(string.Format(@"{0}\{1}", log_path, log_filename), false, LogLevel.kLogLevel_All_NoProgress, new EventHandler<LoggerOnFlushEventArgs>(Log_OnFlush));
#if DEBUG
            LogLevel gLevel = gLog.LogLevel;
#if DISABLE_DEBUG_MODE_KLOGLEVEL_VERBOSE_DEBUG
            gLevel &= ~LogLevel.kLogLevel_VerboseDebug;
#else
            gLevel |= LogLevel.kLogLevel_VerboseDebug;
#endif
            gLevel |= LogLevel.kLogLevel_Debug;
            gLog.SetLogLevel(gLevel);
#else
            LogLevel gLevel = LogLevel.kLogLevel_Default; // set the default log level: Info, Warn, Error, Debug
            // it is OK for kLogLevel_Debug to be set in Release mode ... must of the chatty messages are from kLogLevel_VerboseDebug
#if DISABLE_RELEASE_MODE_KLOGLEVEL_DEBUG
            gLevel &= ~LogLevel.kLogLevel_Debug;
#else
            gLevel |= LogLevel.kLogLevel_Debug;
#endif
            gLevel &= ~LogLevel.kLogLevel_VerboseDebug; // ensure this is not set, ever in release mode         
            gLog.SetLogLevel(gLevel);
#endif


            gLog.ReportProgressEvent += new EventHandler<ReportProgressEventArgs>(gLog_ReportProgress);
        }

        private void ReportProgress(int progress)
        {
            if (this.InvokeRequired)
            {
                try
                {
                    this.Invoke((Action)(delegate { ReportProgress(progress); }));
                }
                catch { }
                return;
            }
            if (progress_status != null && !this.IsDisposed)
                progress_status.Value = progress;
        }
        private void gLog_ReportProgress(object sender, ReportProgressEventArgs e) { ReportProgress(e.Progress); }

        StringBuilder log_flusher = new StringBuilder();

        void Log_OnFlush(object sender, LoggerOnFlushEventArgs e)
        {
            OnLogFlush(e.Buffer);
        }
        //bool txtLog_EnterMouse = false;

        private void txtLog_MouseLeave(object sender, EventArgs e)
        {
            //txtLog_EnterMouse = false;
        }
        private void txtLog_MouseEnter(object sender, EventArgs e)
        {
            //txtLog_EnterMouse = true;
        }
        void OnLogFlush(string logmessage)
        {
            if (this.IsDisposed) { return; }
            UpdateStatus(logmessage);
            UpdateLogOutput(logmessage);
            Application.DoEvents();
        }

        void UpdateStatus(string logmessage)
        {
            if (this.InvokeRequired)
            {
                try
                {
                    this.Invoke((Action)(delegate { UpdateStatus(logmessage); }));
                }
                catch { }
                return;
            }
            txtStatus.Text = logmessage.Replace(System.Environment.NewLine, "");
        }
        void UpdateLogOutput(string logmessage)
        {
            if (this.InvokeRequired)
            {
                try
                {
                    this.Invoke((Action)(delegate { UpdateLogOutput(logmessage); }));
                }
                catch { }
                return;
            }
            txtLog.AppendText(logmessage);
            txtLog.SelectionStart = txtLog.Text.Length; //Set the current caret position to the end
            txtLog.ScrollToCaret(); //Now scroll it automatically
        }

        //List<IXMLTVChannel> Channels;
        //List<IXMLTVProgram> Programs;

        private void main_Load(object sender, EventArgs e)
        {

        }
        private void main_Shown(object sender, EventArgs e)
        {

        }


        void LoadXMLTVShcedule(string schedule_xml)
        {
            XMLTV.Create(schedule_xml, new EventHandler<EventArgs>(XMLTV_OnInstanceCreated));
        }

        void XMLTV_OnInstanceCreated(object sender, EventArgs e)
        {
            //ReportProgress(0);
            //var instance = XMLTV.GetInstance();
            //if (instance != null)
            //{
            //    var program_count = instance.Programs.Count;
            //    var program_list = instance.Programs.ToList().OrderBy(s => s.MetaData[XMLTVConstants.Programs.ProgramStart].ToString());
            //    //Programs = program_list(0, program_count).ToList();
            //    Programs = new List<IXMLTVProgram>(program_list.ToArray());
            //}
            //CreateControls();

            CreateControls();
        }


        //void xmltv_cancelevent(object sender, CancelEventArgs e)
        //{
        //    if (form_closing)
        //    {
        //        e.Cancel = true;
        //    }
        //}

        void CreateControls()
        {
            if (this.InvokeRequired)
            {
                this.Invoke((Action)(delegate { CreateControls(); }));
                return;
            }
            //List<ListViewItem> items = new List<ListViewItem>();
            //foreach (var program in Programs)
            //{
            //    IXMLTVChannel Channel = null;
            //    var instance = XMLTV.GetInstance();
            //    var id = program.MetaData[XMLTVConstants.Programs.ProgramChannelId].ToString();
            //    Channel = instance.Channels.Find(m => m.Id == id);
            //    //ListViewItem li = new ListViewItem(string.Format("{0} {1}", Channel.Number, Channel.CallSign));
            //    if (Channel == null)
            //    {
            //        throw new NullReferenceException(string.Format("Could not find any channel with an id of '{0}'", id));
            //    }
            //    if (Channel.MetaData.Count() == 0) { throw new ArgumentOutOfRangeException(string.Format("No metadata available for channel id '{0}'", Channel.Id)); }
            //    var channel_names = Channel.MetaData[XMLTVConstants.Channels.ChannelDisplayName];
            //    string channel_name = string.Empty;
            //    if (channel_names.Count() == 0) { throw new ArgumentOutOfRangeException(string.Format("No properties named '{0}' found for channel id '{1}'", XMLTVConstants.Channels.ChannelDisplayName, Channel.Id)); }
            //    else
            //    {
            //        var channame = channel_names.FirstOrDefault();
            //        if (channame == null) { throw new ArgumentNullException("channame", string.Format("Unable to get channel display name for channel id '{0}'", Channel.Id)); }
            //        else
            //        {
            //            if (channame.Value == null) { throw new ArgumentNullException("channame.Value", string.Format("Unable to get channel display name for channel id '{0}'", Channel.Id)); }
            //            else { channel_name = channame.Value.ToString(); }
            //        }
            //    }
            //    ListViewItem li = new ListViewItem(string.Format("{0}", channel_name));
            //    li.Tag = program;
            //    li.SubItems.Add(new ListViewItem.ListViewSubItem(li, program.MetaData[XMLTVConstants.Programs.ProgramTitle].ToString()));
            //    li.SubItems.Add(new ListViewItem.ListViewSubItem(li, program.MetaData[XMLTVConstants.Programs.ProgramSubTitle].ToString()));
            //    li.SubItems.Add(new ListViewItem.ListViewSubItem(li, program.MetaData[XMLTVConstants.Programs.ProgramDescription].ToString()));
            //    li.SubItems.Add(new ListViewItem.ListViewSubItem(li, ((DateTime)program.MetaData[XMLTVConstants.Programs.ProgramStart]).ToString("yyyy/MM/dd hh:mm tt")));
            //    li.SubItems.Add(new ListViewItem.ListViewSubItem(li, ((DateTime)program.MetaData[XMLTVConstants.Programs.ProgramStop]).ToString("yyyy/MM/dd hh:mm tt")));
            //    //lstPrograms.Items.Add(li);
            //    items.Add(li);
            //}

            //lstPrograms.Items.AddRange(items.ToArray());

            

        }

        private void mnuItemOpenXMLTVFile_Click(object sender, EventArgs e)
        {
            try
            {
                lstPrograms.Items.Clear();
                //LoadXMLTVShcedule("20130307_continuum_schedule.xml");
                var result = xmltv_file_chooser.ShowDialog();
                if (result != DialogResult.OK) return;
                ClearLocalLog();
                LoadXMLTVShcedule(xmltv_file_chooser.FileName);
                //CreateControls();
            }
            catch (Exception ex)
            {
                gLog.Error.WriteLine(ex.ToString());
            }
        }

        private void DeserializeDataFromFile(object filename)
        {
            if (filename == null) { throw new ArgumentNullException("filename", "cannot be null"); }
            XMLTV.Load(filename.ToString(), new EventHandler<EventArgs>(XMLTV_OnInstanceCreated));
        }

        private void mnuItemOpenSavedData_Click(object sender, EventArgs e)
        {
            try
            {
                var result = xmltv_program_data_loader.ShowDialog();
                if (result != DialogResult.OK) return;
                string filename = xmltv_program_data_loader.FileName;
                Thread worker = new Thread(new ParameterizedThreadStart(DeserializeDataFromFile)); worker.Start(filename);
            }
            catch (Exception ex)
            {
                gLog.Error.WriteLine(ex.ToString());
            }
        }
        private void DeserializeDataToFile(object filename)
        {
            if (filename == null) { throw new ArgumentNullException("filename", "cannot be null"); }
            XMLTV.Save(filename.ToString());
        }
        private void mnuItemSaveData_Click(object sender, EventArgs e)
        {
            try
            {
                var result = xmltv_program_data_saver.ShowDialog();
                if (result != DialogResult.OK) return;
                string filename = xmltv_program_data_saver.FileName;
                Thread worker = new Thread(new ParameterizedThreadStart(DeserializeDataToFile)); worker.Start(filename);
            }
            catch (Exception ex)
            {
                gLog.Error.WriteLine(ex.ToString());
            }
        }

        private void main_FormClosing(object sender, FormClosingEventArgs e)
        {
            try
            {
                XMLTV.Destroy();
            }
            catch { }
        }

        private void mnuItemClearLocalLog_Click(object sender, EventArgs e)
        {
            ClearLocalLog();
        }
        private void ClearLocalLog()
        {
            var log_top_entry = txtLog.Lines.FirstOrDefault();
            txtLog.Clear();
            if (!string.IsNullOrEmpty(log_top_entry))
            {
                txtLog.AppendText(log_top_entry);
            }
        }

        private void mnuItemExit_Click(object sender, EventArgs e)
        {
            this.Close();
        }

        private void lstPrograms_SelectedIndexChanged(object sender, EventArgs e)
        {
            //IXMLTVProgram program = null;
            //var item = lstPrograms.SelectedItems[0];
            //int selected_index = lstPrograms.Items.IndexOf(item);
            //program = (item.Tag as IXMLTVProgram);
            //gLog.Debug.WriteLine("Selected ListViewItem at index: {0}", selected_index);
            //if (program == null) { return; }
            //txtStatus.Text = program.ToString();
            ////gLog.Debug.WriteLine(program.ToString());

        }

        private void lstPrograms_ColumnClick(object sender, ColumnClickEventArgs e)
        {
            //if (!(lstPrograms.ListViewItemSorter is ListViewSorter)) return;
            //ListViewSorter Sorter = (ListViewSorter)lstPrograms.ListViewItemSorter;
            //Sorter.LastColumn = Sorter.CurrentColumn;
            //Sorter.CurrentColumn = e.Column;
            //if (Sorter.LastColumn == e.Column)
            //{
            //    if (lstPrograms.Sorting == SortOrder.Ascending) { lstPrograms.Sorting = SortOrder.Descending; }
            //    else { lstPrograms.Sorting = SortOrder.Ascending; }
            //}
            //else { lstPrograms.Sorting = SortOrder.Descending; }
            //lstPrograms.Sort();
        }
    }
}