using Edge.Core.Parser.BinaryParser.Attributes;
using Edge.Core.Parser.BinaryParser.MessageEntity;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace LanTian_Sinopec_PumpIcCardReader
{
    /// <summary>
    /// 加油机发送实时信息命令 
    /// 加油机将实时信息发送给 PC 机；在加油机主动方式下，加油机定时与 PC 机进行的握手通讯； 
    /// 加油机发送实时信息命令31H
    /// </summary>
    public class PumpRealTimeStateEvent : KaJiLianDongV11MessageTemplateBase
    {
        [Format(1, EncodingType.BIN, 1)]
        public byte SubMessageCount { get; set; }

        // minus 3 which include 
        [EnumerableFormat("DataLength", "-2", 2, EncodingType = EncodingType.BIN)]
        public List<byte> SubMessageRaw { get; set; }

        public override string ToLogString()
        {
            var result = "PumpRealTimeStateEvent, SubMessageCount= " + this.SubMessageCount.ToString() + "." + System.Environment.NewLine;
            if (this.NozzleOperatingStates != null && this.NozzleOperatingStates.Any())
                foreach (var n in this.NozzleOperatingStates)
                    result += n.ToLogString() + Environment.NewLine;
            if (this.CardInsertedStates != null && this.CardInsertedStates.Any())
                foreach (var c in this.CardInsertedStates)
                    result += c.ToLogString() + Environment.NewLine;
            return result;
            //var offset = 0;
            //for (int i = 0; i < SubMessageCount; i++)
            //{
            //    //1：卡插入；2：抬枪或加油中
            //    if (SubMessageRaw[offset] == 1)
            //    {
            //        var restLen = SubMessageRaw[offset + 2];
            //        Parser parser = new Parser();
            //        var cardSubMsg = parser.Deserialize(SubMessageRaw.Skip(offset).Take(3 + restLen).ToArray(),
            //            (MessageTemplateBase)Activator.CreateInstance(typeof(PumpStateChangeCardInsertedSubState))) as PumpStateChangeCardInsertedSubState;
            //        offset += 3 + restLen;
            //        result += "CardInserted: cardNo->" + cardSubMsg.ASN卡应用号 + ", nozzleNo->" + cardSubMsg.MZN枪号 +
            //                  ", cardBalance->" + cardSubMsg.BAL余额.ToString();
            //    }
            //    else if (SubMessageRaw[offset] == 2)
            //    {
            //        Parser parser = new Parser();
            //        var nozzleSubMsg = parser.Deserialize(SubMessageRaw.Skip(offset).Take(11).ToArray(),
            //            (MessageTemplateBase)Activator.CreateInstance(typeof(PumpStateChangeNozzleOperatingSubState))) as PumpStateChangeNozzleOperatingSubState;
            //        offset += 11;
            //        result += "NozzleChanged: nozzleNo->" + nozzleSubMsg.MZN枪号 + ", vol->" + nozzleSubMsg.VOL升数 + ", amount->" + nozzleSubMsg.AMN数额
            //            + ", price->" + nozzleSubMsg.PRC价格;
            //    }
            //    else
            //    {
            //        throw new ArgumentException("只有两种状态需要上传信息。1：卡插入；2：抬枪或加油中, there're neither 1 nor 2 in msg");
            //    }
            //}

            //return result;
        }

        public List<CardInsertedState> CardInsertedStates
        {
            get
            {
                return this.ParseSubMessages(this.SubMessageRaw, this.SubMessageCount).Item1;
            }
        }

        public List<NozzleOperatingState> NozzleOperatingStates
        {
            get
            {
                return this.ParseSubMessages(this.SubMessageRaw, this.SubMessageCount).Item2;
            }
        }

        private Tuple<List<CardInsertedState>, List<NozzleOperatingState>> ParseSubMessages(List<byte> SubMessageRaw, byte SubMessageCount)
        {
            var combinedResult =
                new Tuple<List<CardInsertedState>, List<NozzleOperatingState>>(
                    new List<CardInsertedState>(),
                    new List<NozzleOperatingState>());
            var offset = 0;
            for (int i = 0; i < SubMessageCount; i++)
            {
                //1：卡插入；2：抬枪或加油中
                if (SubMessageRaw[offset] == 1)
                {
                    var restLen = SubMessageRaw[offset + 2];
                    Parser parser = new Parser();
                    var cardSubMsg = parser.Deserialize(SubMessageRaw.Skip(offset).Take(3 + restLen).ToArray(),
                        (MessageTemplateBase)Activator.CreateInstance(typeof(CardInsertedState)));
                    combinedResult.Item1.Add(cardSubMsg as CardInsertedState);
                    offset += 3 + restLen;
                }
                else if (SubMessageRaw[offset] == 2)
                {
                    Parser parser = new Parser();
                    var cardSubMsg = parser.Deserialize(SubMessageRaw.Skip(offset).Take(11).ToArray(),
                        (MessageTemplateBase)Activator.CreateInstance(typeof(NozzleOperatingState)));
                    combinedResult.Item2.Add(cardSubMsg as NozzleOperatingState);
                    offset += 11;
                }
                else
                {
                    throw new ArgumentException("只有两种状态需要上传信息。1：卡插入；2：抬枪或加油中, there're neither 1 nor 2 in msg");
                }
            }

            return combinedResult;
        }
    }
}