using System;

using System.Collections.Generic;

using System.Text;

using System.Text.RegularExpressions;



namespace Nikse.SubtitleEdit.Logic.SubtitleFormats

{

    public class UnknownSubtitle45 : SubtitleFormat

    {

        //*         00001.00-00003.00 02.01 00.0 1 0001 00 16-090-090

        //*         00138.10-00143.05 00.00 00.0 1 0003 00 16-090-090

        static Regex regexTimeCodes = new Regex(@"^\*\s+\d\d\d\d\d\.\d\d-\d\d\d\d\d\.\d\d \d\d.\d\d \d\d.\d\ \d \d\d\d\d \d\d \d\d-\d\d\d-\d\d\d$", RegexOptions.Compiled);



        public override string Extension

        {

            get { return ".rtf"; }

        }



        public override string Name

        {

            get { return "Unknown 45"; }

        }



        public override bool IsTimeBased

        {

            get { return true; }

        }



        public override bool IsMine(List<string> lines, string fileName)

        {

            if (fileName != null && !fileName.ToLower().EndsWith(Extension))

                return false;



            var subtitle = new Subtitle();

            LoadSubtitle(subtitle, lines, fileName);

            return subtitle.Paragraphs.Count > _errorCount;

        }



        public override string ToText(Subtitle subtitle, string title)

        {

            var sb = new StringBuilder();

            sb.AppendLine(@"0 2 1.0 1.0 3.0 048 0400 0040 0500 100 100 0 100 0 6600 6600 01

CRULIC R1

ST 0 EB 3.10

@");





            int index = 0;

            foreach (Paragraph p in subtitle.Paragraphs)

            {

                //1 00:50:34:22 00:50:39:13

                //Ich muss dafür sorgen,

                //dass die Epsteins weiterleben

                index++;

                sb.AppendLine(string.Format("*         {0}-{1} 00.00 00.0 1 {2} 00 16-090-090{3}{4}{3}@", EncodeTimeCode(p.StartTime), EncodeTimeCode(p.EndTime), index.ToString().PadLeft(4, '0'), Environment.NewLine, Utilities.RemoveHtmlTags(p.Text)));

            }

            System.Windows.Forms.RichTextBox rtBox = new System.Windows.Forms.RichTextBox();

            rtBox.Text = sb.ToString();

            return rtBox.Rtf;

        }



        private string EncodeTimeCode(TimeCode time)

        {

            return string.Format("{0:00000}.{1:00}", time.TotalSeconds, MillisecondsToFramesMaxFrameRate(time.Milliseconds));

        }



        public override void LoadSubtitle(Subtitle subtitle, List<string> lines, string fileName)

        {

//*         00001.00-00003.00 02.01 00.0 1 0001 00 16-090-090

//CRULIC R1

//pour Bobi

//@

            _errorCount = 0;

            var sb = new StringBuilder();

            foreach (string line in lines)

                sb.AppendLine(line);



            string rtf = sb.ToString().Trim();

            if (!rtf.StartsWith("{\\rtf"))

                return;



            var rtBox = new System.Windows.Forms.RichTextBox();

            try

            {

                rtBox.Rtf = rtf;

            }

            catch (Exception exception)

            {

                System.Diagnostics.Debug.WriteLine(exception.Message);

                return;

            }



            Paragraph p = null;

            subtitle.Paragraphs.Clear();

            foreach (string line in rtBox.Text.Replace("\r\n", "\n").Split('\n'))

            {

                if (regexTimeCodes.IsMatch(line.Trim()))

                {

                    string[] temp = line.Substring(1).Trim().Substring(0, 17).Split('-');

                    if (temp.Length == 2)

                    {

                        string start = temp[0];

                        string end = temp[1];



                        string[] startParts = start.Split(".".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);

                        string[] endParts = end.Split(".".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);

                        if (startParts.Length == 2 && endParts.Length == 2)

                        {

                            p = new Paragraph(DecodeTimeCode(startParts), DecodeTimeCode(endParts), string.Empty);

                            subtitle.Paragraphs.Add(p);

                        }

                    }

                }

                else if (line.Trim().Length == 0 || line.Trim() == "@")

                {

                    // skip these lines

                }

                else if (line.Trim().Length > 0 && p != null)

                {

                    if (p.Text.Length > 2000)

                        return; // wrong format

                    else if (string.IsNullOrEmpty(p.Text))

                        p.Text = line;

                    else

                        p.Text = p.Text + Environment.NewLine + line;

                }

            }

            subtitle.Renumber(1);

        }



        private TimeCode DecodeTimeCode(string[] parts)

        {

            //00119.12

            string seconds = parts[0];

            string frames = parts[1];

            TimeCode tc = new TimeCode(0, 0, int.Parse(seconds), FramesToMillisecondsMax999(int.Parse(frames)));

            return tc;

        }



    }

}