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

namespace MesAdaptor
{
    public class SajetConnectShinewave : ISajetConnect
    {
        private enum CMD
        {
            Signin = 1,
            Log = 4,
            ValueReport = 5,
            StringValueReport = 6,
            HeaderRegister = 8,
            WoCheck = 14,
            SnCheck = 15,
            Report = 16,
        }

        public bool SajetTransStart() => SajetConnectAdapter.SajetTransStart();
        public bool SajetTransClose() => SajetConnectAdapter.SajetTransClose();

        private string userId = "";
        public bool SajetTransSignIn(ref string data)
        {
            var attemptId = data;
            if (SajetTransData(CMD.Signin, ref data))
            {
                if (string.IsNullOrEmpty(data) || data.StartsWith("NG"))
                {
                    userId = "";
                    return false;
                }
                else
                {
                    userId = attemptId;
                    return true;
                }
            }
            userId = "";
            return false;
        }

        private string WorkOrder = "";
        public bool SajetTransWoCheck(ref string workOrder)
        {
            if (string.IsNullOrEmpty(userId))
                return false;
            if (workOrder == null)
                workOrder = "";
            var msg = userId + "," + workOrder + ",";

            if (SajetTransData(CMD.WoCheck, ref msg))
            {
                if (string.IsNullOrEmpty(msg) || msg.StartsWith("NG"))
                {
                    WorkOrder = "";
                    return false;
                }
                else
                {
                    WorkOrder = workOrder;
                    return true;
                }
            }
            WorkOrder = "";
            return false;
        }

        private string SN;
        public bool SajetTransSnCheck(ref string serialNumber)
        {
            var attemptSN = serialNumber;
            if (string.IsNullOrEmpty(userId))
                return false;
            if (WorkOrder == null)
                WorkOrder = "";
            var msg = userId + "," + WorkOrder + "," + serialNumber + ",";

            if (SajetTransData(CMD.SnCheck, ref msg))
            {
                if (string.IsNullOrEmpty(msg) || msg.StartsWith("NG"))
                {
                    SN = "";
                    return false;
                }
                else
                {
                    SN = attemptSN;
                    return true;
                }
            }
            SN = "";
            return false;
        }

        public bool SajetTransSnCheck(ref string sn, string model)
        {
            throw new NotImplementedException();
        }

        public bool SajetTranFinishSuccess()
        {
            if (string.IsNullOrEmpty(userId))
                return false;
            //if (string.IsNullOrEmpty(WorkOrder))
            //    return false;
            if (string.IsNullOrEmpty(SN))
                return false;
            string msg = userId + "," + WorkOrder + "," + SN + ",";

            if (string.IsNullOrEmpty(msg))
                return false;

            msg += "OK,";

#if DEBUG
            return true;
#endif

            return SajetTransData(CMD.Report, ref msg);
        }

        public bool SajetTranFinishFail(MesErrorCode errorCode)
        {
            if (string.IsNullOrEmpty(userId))
                return false;
            //if (string.IsNullOrEmpty(WorkOrder))
            //    return false;
            if (string.IsNullOrEmpty(SN))
                return false;
            string msg = userId + "," + WorkOrder + "," + SN + ",";

            if (string.IsNullOrEmpty(msg))
                return false;

            msg += "NG," + GetMesCodeString(errorCode) + ",";

#if DEBUG
            return true;
#endif

            return SajetTransData(CMD.Report, ref msg);
        }

        public string SajetTransRegisterHeader(string model, string header)
        {
            if (string.IsNullOrEmpty(userId))
                return "";
            var msg = userId + ",";
            msg += model + "," + header;
            if (SajetTransData(CMD.HeaderRegister, ref msg))
            {
                if (msg.StartsWith("OK"))
                {
                    //get codename
                    msg = msg.Substring(3);
                    var spaceIndex = msg.IndexOf(",");
                    if (spaceIndex > 0)
                    {
                        msg = msg.Substring(0, spaceIndex);
                    }
                    return msg;
                }
                return null;
            }
            return null;
        }

        public bool SajetTransReport(ValueReportDatas reportPairs)
        {
            if (string.IsNullOrEmpty(userId))
                return false;
            if (string.IsNullOrEmpty(SN))
                return false;
            string msgHeader = userId + "," + SN;
            string msg;
            bool result = true;

            foreach (var report in reportPairs)
            {
                msg = string.Format("{0},{1}:{2},", msgHeader, report.Key, report.Val);
                var cmdResult = SajetTransData(CMD.StringValueReport, ref msg);
                if (!cmdResult)
                    result = false;
            }
            return result;
        }

        public bool SajetTransReport(Dictionary<string, int> resultPair, Dictionary<string, string> codePair)
        {
            if (string.IsNullOrEmpty(userId))
                return false;
            if (string.IsNullOrEmpty(SN))
                return false;
            string msg = userId + "," + SN + ",";
            foreach (var result in resultPair)
            {
                if (codePair.Keys.Contains(result.Key))
                {
                    msg += string.Format("{0}:{1},", codePair[result.Key], string.Format("{0}.00", result.Value));
                }
            }
            return SajetTransData(CMD.ValueReport, ref msg);
        }

        public bool SajetTransLog(string data)
        {
            return true;

            if (string.IsNullOrEmpty(userId))
                return false;
            if (string.IsNullOrEmpty(SN))
                return false;
            string prefix = userId + "," + SN + ",";
            while (data.Length > 0)
            {
                var msg = prefix;
                int sendLength = Math.Min(250 - msg.Length, data.Length);
                var sendString = data.Substring(0, sendLength);
                msg += sendString;
                if (!SajetTransData(CMD.Log, ref msg))
                {
                    break;
                }
                data = data.Substring(sendLength);
            }
            return data.Length == 0;
        }

        private bool SajetTransData(CMD command, ref string data)
        {
            //return true;
            if (!data.EndsWith(","))
            {
                data = data + ",";
            }
            return SajetConnectAdapter.SajetTransData((int)command, ref data);
        }

        private string GetSendPrefix()
        {
            string msg = "";
            if (string.IsNullOrEmpty(userId))
            {
                return null;
            }
            msg = userId + ",";
            if (string.IsNullOrEmpty(WorkOrder))
            {
                return null;
            }
            msg += WorkOrder + ",";
            return msg;
        }

        private string GetMesCodeString(MesErrorCode mesError)
        {
            switch (mesError)
            {
                case MesErrorCode.ChargerConnectFail:
                    return "EC001";
                case MesErrorCode.ModelNameUpadateFail:
                    return "EC002";
                case MesErrorCode.SerilaNumberUpadateFail:
                    return "EC003";
                case MesErrorCode.UtcDatetimeUpdateFail:
                    return "EC004";
                case MesErrorCode.FourthGenModelVersionMismatch:
                    return "EC005";
                case MesErrorCode.FourthGenSimInstartionMismatch:
                    return "EC006";
                case MesErrorCode.FourthGenSimInfoMismatch:
                    return "EC007";
                case MesErrorCode.WifiModeNotClient:
                    return "EC008";
                case MesErrorCode.WifiRssiLow:
                    return "EC009";
                case MesErrorCode.FirmwareUploadFail:
                    return "EC010";
                case MesErrorCode.FirmwareUpdateTimeout:
                    return "EC011";
                case MesErrorCode.FirmwareVersionCheckFail:
                    return "EC012";
                case MesErrorCode.EmergencyButtonTestFail:
                    return "EC013";
                case MesErrorCode.GreenButtonTestFail:
                    return "EC014";
                case MesErrorCode.BlueButtonTestFail:
                    return "EC015";
                case MesErrorCode.FactoryResetFail:
                    return "EC016";

                case MesErrorCode.SetOptionsFail:
                    return "ST001";
                case MesErrorCode.ProgramFail:
                    return "ST002";
                case MesErrorCode.RestFail:
                    return "ST003";
                case MesErrorCode.ProgramCheckFail:
                    return "ST004";
                case MesErrorCode.GetCheckSumFail:
                    return "ST005";
            }
            return "EC001";
        }
    }
}