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

namespace AwInitilizer.Procedure
{
    public class FourGenModuleCheckProcedure : ProcedureBase
    {
        public FourGenModuleCheckProcedure() : base()
        {
            Name = "4G Check";
            Content = "Check 4G module version and SIM card information matches user input";
        }

        internal override async Task<bool> Run()
        {
            Logger.Print("Connecting to EVSE");
            if (!await base.CheckAndCreateSocket())
            {
                InfoLog += "EVSE connect failed\n";
                LogPair.Add("FourgenSocketConnect", "0");
                return false;
            }

            if (!UpdateData.SystemID.ModelName.Network.ToString().Contains("4G"))
            {
                //if does not support 4G then end init
                InfoLog += "model name does not support 4g ,skip update process\n";
                return true;
            }

            var fourthGenModuleVersion = await serialPortocol.GetFourGenModuleVersion();
            LogPair.Add("FourgenModuleVersion", fourthGenModuleVersion);
            if (string.IsNullOrEmpty(fourthGenModuleVersion))
            {
                InfoLog += "4G module version read error\n";
                Logger.Print("4G module version read error", isError: true);
                return false;
            }
            else
            {
                InfoLog += $"Get 4G Module version :{fourthGenModuleVersion}\n";
                if (fourthGenModuleVersion != UpdateData.FourGenModuleVersion)
                {
                    InfoLog += "4G module version not matched\n";
                    Logger.Print("4G module version not matched", isError: true);
                    return false;
                }
            }

            var simstatus = await serialPortocol.GetSimStatus();
            if (simstatus == null)
            {
                InfoLog += "Get sim status failed\n";
                Logger.Print("Get sim status failed", isError: true);
                LogPair.Add("SimStatus", "ReadFail");
                return false;
            }
            else
            {
                LogPair.Add("SimStatus", simstatus.IsInstalled? "1":"0");
                if (simstatus.IsInstalled != UpdateData.IsSimInsert)
                {
                    Logger.Print("sim install status not matched", isError: true);
                    return false;
                }
                else
                {
                    if (simstatus.IsInstalled)
                    {
                        var ICCIDstring = Encoding.ASCII.GetString(simstatus.ICCID);
                        var IMSIstring = Encoding.ASCII.GetString(simstatus.IMSI);

                        LogPair.Add("SimICCID", ICCIDstring);
                        LogPair.Add("SimIMSI", IMSIstring);

                        InfoLog += $"Get sim info, inserted:{simstatus.IsInstalled},ICCID:{ICCIDstring},IMSI:{IMSIstring}\n";

                        if (ICCIDstring != UpdateData.ICCID)
                        {
                            Logger.Print("sim card ICCID not matched", isError: true);
                            return false;
                        }

                        if (IMSIstring != UpdateData.IMSI)
                        {
                            Logger.Print("sim card IMSI not matched", isError: true);
                            return false;
                        }
                    }
                    else
                    {
                        InfoLog += $"Get sim info, inserted:{simstatus.IsInstalled}\n";

                        if (!simstatus.ICCID.SequenceEqual(new byte[22]))
                        {
                            InfoLog += $"ICCID not empty : { BitConverter.ToString(simstatus.ICCID).Replace("-", " ")}\n";
                            Logger.Print("sim card ICCID not empty", isError: true);
                            return false;
                        }

                        if (!simstatus.IMSI.SequenceEqual(new byte[16]))
                        {
                            InfoLog += $"IMSI not empty : { BitConverter.ToString(simstatus.IMSI).Replace("-", " ")}\n";
                            Logger.Print("sim card IMSI not empty", isError: true);
                            return false;
                        }
                    }
                }

            }

            return true;
        }
    }
}