using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace DTS.SensorDB.TSF
{
    /// <summary>
    /// handles the TCF section of the TSF
    /// note that the TCF is not used in Datapro yet.
    /// </summary>
    public class TSFTCFSection
    {
        private const string SECTION_START_HEADER = "---- TCF Info Begin ----";
        private const string SECTION_END_HEADER = "---- TCF Info End ----";

        private string _tcfPath = "";
        public string TCFPath
        {
            get { return _tcfPath; }
            set { _tcfPath = value; }
        }
        /// <summary>
        /// reads the section from the TSF
        /// assumes currentline points to the start of the section
        /// </summary>
        /// <param name="lines"></param>
        /// <param name="currentLine"></param>
        /// <param name="errors"></param>
        public void ReadFrom(List<string> lines, ref int currentLine, ref List<ReadTSFError> errors)
        {
            if (currentLine == lines.Count)
            {
                //errors.Add(new ReadTSFError(ReadTSFError.TSF_ERRORS.TSF_UNEXPECTED_EOF, currentLine));
                return;
            }
            string sectionStart = lines[currentLine++];
            if (sectionStart != SECTION_START_HEADER)
            {
                errors.Add(new ReadTSFError(ReadTSFError.TSF_ERRORS.TCF_INVALID_STARTSECTIONHEADER, currentLine, sectionStart));
                return;
            }

            if (currentLine == lines.Count)
            {
                errors.Add(new ReadTSFError(ReadTSFError.TSF_ERRORS.TSF_UNEXPECTED_EOF, currentLine));
                return;
            }
            TCFPath = lines[currentLine++];

            if (currentLine == lines.Count)
            {
                errors.Add(new ReadTSFError(ReadTSFError.TSF_ERRORS.TSF_UNEXPECTED_EOF, currentLine));
                return;
            }
            string sectionEnd = lines[currentLine++];
            if (sectionEnd != SECTION_END_HEADER)
            {
                errors.Add(new ReadTSFError(ReadTSFError.TSF_ERRORS.TSF_TCF_INVALID_SECTIONENDHEADER, currentLine, sectionEnd));
            }
        }
    }
}