using System;
using System.IO;

namespace NfcC7_DLL.NfcHandler.Utils
{
    public class SerialPortData
    {
        private Boolean? _cliExists;
        public bool CliExists { get {
            if (_cliExists == null || !_cliExists.HasValue)
            {
                _cliExists = File.Exists(SerialPortCmdClientPath);
            } 
            return _cliExists.Value;
        } }
        public string SerialPortCmdClientPath {
            get { 
#if DEBUG
                return Path.Combine("C:\\","TBF","Cli", CmdClientName);
#else
                return Path.Combine("..","Cli", CmdClientName); 
#endif
            }
        } 
        public string CmdClientName { get; set; } = "HalCli.exe";
        public string PortName { get; set; }
        public int MeterType { get; set; }
        public string MeterTypeStr { get; set; }

        public enum EMeterArg {
            Calibration = 0,
            AllParams = 2,
            DeviceId = 3,
            Optohead = 4,
        } 
        EMeterArg _eMeterArg = EMeterArg.AllParams;
        
        public string DefaultArgSettingsRead(EMeterArg eMeterArg)
        {
            string meterTypeInsert = !string.IsNullOrEmpty(MeterTypeStr)  ? MeterTypeStr : MeterType.ToString();
            switch (eMeterArg)
            {
                case EMeterArg.AllParams:
                    return $"-p {PortName} -m {meterTypeInsert} --operation readall";
                case EMeterArg.DeviceId:
                    return $"-p {PortName} -m {meterTypeInsert} --operation read --parameter DeviceId";
                case EMeterArg.Optohead:
                    return $"-p {PortName} -m {meterTypeInsert} --operation read --parameter \"OpticalDataMode\""; 
                default:
                    throw new Exception("Not implemented correct command!");
            }
        }
        
        public string DefaultArgSettingsWrite(EMeterArg eMeterArg, string arg)
        {
            string meterTypeInsert = !string.IsNullOrEmpty(MeterTypeStr) ? MeterTypeStr : MeterType.ToString();
            switch (eMeterArg)
            {
                case EMeterArg.Calibration:
                    return $"-p {PortName} -m {meterTypeInsert} --operation write --parameter Calibration --value {arg}";
                case EMeterArg.Optohead:
                    return $"-p {PortName} -m {meterTypeInsert} --operation write --parameter \"OpticalDataMode\" --value {arg}"; 
                default:
                    throw new Exception("Not implemented correct command!");
            }
        }

        public SerialPortData(
            string portName,
            string cmdClientName,
            int meterType)
        {
            PortName = portName;
            CmdClientName = cmdClientName;
            MeterType = meterType;
        }
        
        public SerialPortData(
            string portName,
            string cmdClientName,
            string meterType)
        {
            PortName = portName;
            CmdClientName = cmdClientName;
            MeterTypeStr = meterType;
        }
    }
}