using System;

namespace bsmd.AIS2Service
{
    /// <summary>
    /// NMEA PNMLS sentence
    /// sentence shows signal level for preceding message
    /// </summary>
    class NMEA_PNMLS_Sentence : NMEA
    {

        #region fields

        private int signal_level;
        private int detection_threshold;
        private int interval;

        #endregion

        #region Properties

        public int Signal_Level
        {
            get { return this.signal_level; }
        }

        public int Detection_Threshold
        {
            get { return this.detection_threshold; }
        }

        public int Interval
        {
            get { return this.interval; }
        }

        #endregion

        #region abstract method implementation

        protected override void Decode()
        {
            try
            {
                this.signal_level = Convert.ToInt32(this.elements[1]);
                this.detection_threshold = Convert.ToInt32(this.elements[2]);

                string interval_string = this.elements[3].Substring(0, this.elements[3].IndexOf('*'));
                this.interval = Convert.ToInt32(interval_string);
            }
            catch (FormatException)
            {
                _log.Warn("NMEA [PNMLS] input format error");
            }
        }

        #endregion

    }
}