using System;
using System.IO;

namespace ScreenLogicConnect
{
    public class HLTime
    {
        public const int size = 16;
        public short day = 1;
        public short dayOfWeek = 1;
        public short hour = 1;
        public short millisecond = 1;
        public short minute = 1;
        public short month = 1;
        public short second = 1;
        public short year = 2000;

        public HLTime(byte[] data, int startIndex)
        {
            if (data.Length - startIndex >= size)
            {
                using (var ms = new MemoryStream(data))
                {
                    using (var br = new BinaryReader(ms))
                    {
                        year = br.ReadInt16();
                        month = br.ReadInt16();
                        dayOfWeek = br.ReadInt16();
                        day = br.ReadInt16();
                        hour = br.ReadInt16();
                        minute = br.ReadInt16();
                        second = br.ReadInt16();
                        millisecond = br.ReadInt16();
                    }
                }
            }
        }

        public HLTime(short inYear, short inMonth, short inDayOfWeek, short inDay, short inHour, short inMinute, short inSecond, short inMillisecond)
        {
            year = inYear;
            month = inMonth;
            dayOfWeek = inDayOfWeek;
            day = inDay;
            hour = inHour;
            minute = inMinute;
            second = inSecond;
            millisecond = inMillisecond;
        }

        public string toString()
        {
            return "" + month + "/" + day + "/" + year;
        }

        public DateTime toDate()
        {
            return new DateTime(year: (year - 2000) + 100, month: month - 1, day: day, hour: hour, minute: minute, second: second);
        }

        public long toMilliseconds()
        {
            return (long)new TimeSpan(toDate().Ticks).TotalMilliseconds;
        }
    }
}