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;

namespace xmltv_parser
{
    public partial class main : Form
    {
        public main()
        {
            InitializeComponent();
            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);
        }

        //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)
        {
            var xmltv_loader = XMLTV.CreateLoader(schedule_xml);
            var xmltv_parser = XMLTV.CreateParser(xmltv_loader);
            var p = XMLTV.GetParser(xmltv_parser);

            //var channel_count = p.Channels.Values.Count;
            //Channels = p.Channels.Values.ToList().GetRange(0, channel_count).ToList();
            var program_count = p.Programs.Values.Count;
            var program_list = p.Programs.Values.ToList().OrderBy(s => s.Start);
            //Programs = program_list(0, program_count).ToList();
            Programs = new List<IXMLTVProgram>(program_list.ToArray());
        }

        void CreateControls()
        {
            foreach (var program in Programs)
            {
                ListViewItem li = new ListViewItem(string.Format("{0} {1}", program.Channel.Number, program.Channel.CallSign));
                li.SubItems.Add(new ListViewItem.ListViewSubItem(li, program.Title));
                li.SubItems.Add(new ListViewItem.ListViewSubItem(li, program.SubTitle));
                li.SubItems.Add(new ListViewItem.ListViewSubItem(li, program.Description));
                li.SubItems.Add(new ListViewItem.ListViewSubItem(li, program.Start.ToString("yyyy/MM/dd hh:mm tt")));
                li.SubItems.Add(new ListViewItem.ListViewSubItem(li, program.Stop.ToString("yyyy/MM/dd hh:mm tt")));
                lstPrograms.Items.Add(li);
            }
        }

        private void mnuItemOpenXMLTVFile_Click(object sender, EventArgs e)
        {
            //LoadXMLTVShcedule("20130307_continuum_schedule.xml");
            var result = xmltv_file_chooser.ShowDialog();
            if (result != DialogResult.OK) return;
            LoadXMLTVShcedule(xmltv_file_chooser.FileName);
            CreateControls();
        }

        private void mnuItemOpenSavedData_Click(object sender, EventArgs e)
        {
            var result = xmltv_program_data_loader.ShowDialog();
            if (result != DialogResult.OK) return;
            try
            {
                using (Stream stream = File.Open(xmltv_program_data_loader.FileName, FileMode.Open))
                {
                    try
                    {
                        BinaryFormatter bin = new BinaryFormatter();
                        Programs = (List<IXMLTVProgram>)bin.Deserialize(stream);
                    }
                    catch (Exception ex) { gLog.Log.Error.WriteLine(ex.ToString()); }
                }
            }
            catch (Exception ex) { gLog.Log.Error.WriteLine(ex.ToString()); }
            CreateControls();
        }

        private void mnuItemSaveData_Click(object sender, EventArgs e)
        {
            var result = xmltv_program_data_saver.ShowDialog();
            if (result != DialogResult.OK) return;
            try
            {
                using (Stream stream = File.Open(xmltv_program_data_saver.FileName, FileMode.Create))
                {
                    try
                    {
                        BinaryFormatter bin = new BinaryFormatter();
                        bin.Serialize(stream, Programs);
                    }
                    catch (Exception ex) { gLog.Log.Error.WriteLine(ex.ToString()); }
                }
            }
            catch (Exception ex) { gLog.Log.Error.WriteLine(ex.ToString()); }
        }
    }
}