MOBILE_API/Common/Helper/Utilities.cs

using Common.Model;
using Common.Model.Config;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Globalization;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Mail;
using System.Reflection;
using System.Security.Cryptography;
using System.Text;
using System.Text.RegularExpressions;

namespace Common.Helper
{
    public static class Utilities
    {
        private static readonly Random Random = new Random();
        private static readonly string MsisdnPrefix = ApplicationConfig.ReadWebConfig("MsisdnPrefix");
        private static readonly string MsisdnLengthSetting = ApplicationConfig.ReadWebConfig("MsisdnLength");
        private static EncryptionParameters _encryptionParams;

        private static JsonResponse response = new JsonResponse();
        private static List<string> lstSupportType { get; set; }
        private static List<string> lstTransferType { get; set; }
        private static List<string> lstActionType { get; set; }

        //private static List<string> lstScheduleType { get; set; }
        /// <summary>
        /// Private method to initialize encryption parameters
        /// </summary>
        private static void InitializeEncryptionParameters()
        {
            _encryptionParams = new EncryptionParameters()
            {
                PassPhrase = ApplicationConfig.ReadWebConfig("symmetricKey"),
                HashAlgorithm = "SHA1",
                SaltValue = "sw!ftT3ch",
                PasswordIterations = 2,
                InitVector = "@1B2c3D4e5F6g7H8",
                KeySize = 256
            };
        }

        /// <summary>
        /// Encrypt string
        /// </summary>
        /// <returns></returns>
        private static string Encrypt(EncryptionParameters encrypt)
        {
            byte[] initVectorBytes = Encoding.ASCII.GetBytes(encrypt.InitVector);
            byte[] saltValueBytes = Encoding.ASCII.GetBytes(encrypt.SaltValue);

            // Convert our plaintext into a byte array.
            byte[] plainTextBytes = Encoding.UTF8.GetBytes(encrypt.PlainText);
            PasswordDeriveBytes password = new PasswordDeriveBytes
            (
                encrypt.PassPhrase,
                saltValueBytes,
                encrypt.HashAlgorithm,
                encrypt.PasswordIterations
            );

            byte[] keyBytes = password.GetBytes(encrypt.KeySize / 8);

            // Create uninitialized Rijndael encryption object.
            RijndaelManaged symmetricKey = new RijndaelManaged();

            symmetricKey.Mode = CipherMode.CBC;

            ICryptoTransform encryptor = symmetricKey.CreateEncryptor
            (
                keyBytes,
                initVectorBytes
            );

            // Define memory stream which will be used to hold encrypted data.
            MemoryStream memoryStream = new MemoryStream();

            // Define cryptographic stream (always use Write mode for encryption).
            CryptoStream cryptoStream = new CryptoStream
            (
                memoryStream,
                encryptor,
                CryptoStreamMode.Write
            );

            // Start encrypting.
            cryptoStream.Write(plainTextBytes, 0, plainTextBytes.Length);

            // Finish encrypting.
            cryptoStream.FlushFinalBlock();

            // Convert our encrypted data from a memory stream into a byte array.
            byte[] cipherTextBytes = memoryStream.ToArray();

            // Close both streams.
            memoryStream.Close();
            cryptoStream.Close();

            // Convert encrypted data into a base64-encoded string.
            string cipherText = Convert.ToBase64String(cipherTextBytes);

            // Return encrypted string.
            return cipherText;
        }

        /// <summary>
        /// Generate random 5 digit OTP
        /// </summary>
        /// <returns></returns>
        public static string GenerateOTP()
        {
            string[] strChar = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" };

            string otpChar = strChar[Random.Next(0, 9)] + strChar[Random.Next(0, 9)] + strChar[Random.Next(0, 9)] + strChar[Random.Next(0, 9)] + strChar[Random.Next(0, 9)] + strChar[Random.Next(0, 9)];

            return otpChar;
        }
        /// <summary>
        /// Decrypt string
        /// </summary>
        /// <returns></returns>
        private static string Decrypt(EncryptionParameters decrypt)
        {
            byte[] initVectorBytes = Encoding.ASCII.GetBytes(decrypt.InitVector);
            byte[] saltValueBytes = Encoding.ASCII.GetBytes(decrypt.SaltValue);

            // Convert our ciphertext into a byte array.
            byte[] cipherTextBytes = Convert.FromBase64String(decrypt.CipherText);

            PasswordDeriveBytes password = new PasswordDeriveBytes
            (
                decrypt.PassPhrase,
                saltValueBytes,
                decrypt.HashAlgorithm,
                decrypt.PasswordIterations
            );

            // Use the password to generate pseudo-random bytes for the encryption key. Specify the
            // size of the key in bytes (instead of bits).
            byte[] keyBytes = password.GetBytes(decrypt.KeySize / 8);

            // Create uninitialized Rijndael encryption object.
            RijndaelManaged symmetricKey = new RijndaelManaged();

            // It is reasonable to set encryption mode to Cipher Block Chaining
            symmetricKey.Mode = CipherMode.CBC;

            ICryptoTransform decryptor = symmetricKey.CreateDecryptor
            (
                keyBytes,
                initVectorBytes
            );

            // Define memory stream which will be used to hold encrypted data.
            MemoryStream memoryStream = new MemoryStream(cipherTextBytes);

            // Define cryptographic stream (always use Read mode for encryption).
            CryptoStream cryptoStream = new CryptoStream
            (
                memoryStream,
                decryptor,
                CryptoStreamMode.Read
            );

            byte[] plainTextBytes = new byte[cipherTextBytes.Length];

            // Start decrypting.
            int decryptedByteCount = cryptoStream.Read
            (
                plainTextBytes,
                0,
                plainTextBytes.Length
            );

            // Close both streams.
            memoryStream.Close();
            cryptoStream.Close();

            // Convert decrypted data into a string.
            string plainText = Encoding.UTF8.GetString
            (
                plainTextBytes,
                0,
                decryptedByteCount
            );

            // Return decrypted string.
            return plainText;
        }

        public static string DecryptData(string key, string encrypedData)
        {
            if (string.IsNullOrEmpty(encrypedData))
            {
                return "";
            }

            string decData = null;
            byte[][] keys = GetHashKeys(key);

            try
            {
                decData = DecryptStringFromBytes_Aes(encrypedData, keys[0], keys[1]);
            }
            catch (CryptographicException) { }
            catch (ArgumentNullException) { }

            return decData;
        }

        private static byte[][] GetHashKeys(string key)
        {
            byte[][] result = new byte[2][];
            Encoding enc = Encoding.UTF8;

            SHA256 sha2 = new SHA256CryptoServiceProvider();

            byte[] rawKey = enc.GetBytes(key);
            byte[] rawIV = enc.GetBytes(key);

            byte[] hashKey = sha2.ComputeHash(rawKey);
            byte[] hashIV = sha2.ComputeHash(rawIV);

            Array.Resize(ref hashIV, 16);

            result[0] = hashKey;
            result[1] = hashIV;

            return result;
        }

        private static string DecryptStringFromBytes_Aes(string cipherTextString, byte[] Key, byte[] IV)
        {
            byte[] cipherText = Convert.FromBase64String(cipherTextString);
            //final byte[] plainTextBytes = (orignalText)

            if (cipherText == null || cipherText.Length <= 0)
                throw new ArgumentNullException("cipherText");
            if (Key == null || Key.Length <= 0)
                throw new ArgumentNullException("Key");
            if (IV == null || IV.Length <= 0)
                throw new ArgumentNullException("IV");

            string plaintext = null;

            using (Aes aesAlg = Aes.Create())
            {
                aesAlg.Mode = CipherMode.CBC;
                aesAlg.KeySize = 256;
                aesAlg.BlockSize = 128;
                aesAlg.Padding = PaddingMode.PKCS7;

                aesAlg.Key = Key;
                aesAlg.IV = new byte[16];

                ICryptoTransform decryptor = aesAlg.CreateDecryptor(aesAlg.Key, aesAlg.IV);

                using (MemoryStream msDecrypt = new MemoryStream(cipherText))
                {
                    using (CryptoStream csDecrypt =
                            new CryptoStream(msDecrypt, decryptor, CryptoStreamMode.Read))
                    {
                        using (StreamReader srDecrypt = new StreamReader(csDecrypt))
                        {
                            plaintext = srDecrypt.ReadToEnd();
                        }
                    }
                }
            }
            return plaintext;
        }

        /// <summary>
        /// Generate Random 4 digit Pin
        /// </summary>
        /// <returns></returns>
        public static string GenerateRandomPin()
        {
            string[] strChar = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" };

            string otpChar = strChar[Random.Next(0, 9)] + strChar[Random.Next(0, 9)] + strChar[Random.Next(0, 9)] + strChar[Random.Next(0, 9)] + strChar[Random.Next(0, 9)] + strChar[Random.Next(0, 9)];

            return otpChar;
        }

        /// <summary>
        /// Encrypt plain text to cipher text.
        /// </summary>
        /// <param name="plainText"></param>
        /// <returns></returns>
        public static string EncryptString(string plainText)
        {
            InitializeEncryptionParameters();

            EncryptionParameters _encrypt = new EncryptionParameters()
            {
                PlainText = plainText,
                PassPhrase = _encryptionParams.PassPhrase,
                HashAlgorithm = _encryptionParams.HashAlgorithm,
                SaltValue = _encryptionParams.SaltValue,
                PasswordIterations = _encryptionParams.PasswordIterations,
                InitVector = _encryptionParams.InitVector,
                KeySize = _encryptionParams.KeySize
            };

            var s = Utilities.Encrypt(_encrypt);
            return s;
        }

        /// <summary>
        /// Decrypt encrypted/cipher text to plain text.
        /// </summary>
        /// <param name="cipherText"></param>
        /// <returns></returns>
        public static string DecryptString(string cipherText)
        {
            try
            {
                InitializeEncryptionParameters();

                EncryptionParameters _decrypt = new EncryptionParameters()
                {
                    CipherText = cipherText,
                    PassPhrase = _encryptionParams.PassPhrase,
                    HashAlgorithm = _encryptionParams.HashAlgorithm,
                    SaltValue = _encryptionParams.SaltValue,
                    PasswordIterations = _encryptionParams.PasswordIterations,
                    InitVector = _encryptionParams.InitVector,
                    KeySize = _encryptionParams.KeySize
                };

                return Utilities.Decrypt(_decrypt);
            }
            catch (Exception ex)
            {
                return "";
            }
        }

        /// <summary>
        /// Check for email validity
        /// </summary>
        /// <param name="email"></param>
        /// <returns></returns>
        public static bool IsValidEmail(this string email)
        {
            return Regex.IsMatch(email ?? "", ApplicationConfig.ReadWebConfig("regex"), RegexOptions.IgnoreCase);
        }

        /// <summary>
        /// Check for residence card number
        /// </summary>
        /// <param name="residenceCardNo"></param>
        /// <returns></returns>
        public static bool IsValidNumber(this string residenceCardNo)
        {
            return Regex.IsMatch(residenceCardNo ?? "", ApplicationConfig.ReadWebConfig("regexResidenceCard"), RegexOptions.IgnoreCase);
        }

        public static bool IsValidMobileNumber(this string mobile)
        {
            return Regex.IsMatch(mobile ?? "", ApplicationConfig.ReadWebConfig("regexMobile"), RegexOptions.IgnoreCase);
        }

        public static bool IsValidDrivingNumber(this string drivingNo)
        {
            return Regex.IsMatch(drivingNo ?? "", ApplicationConfig.ReadWebConfig("regexDrivingLiscence"), RegexOptions.IgnoreCase);
        }
        public static bool IsCheckAdditionalId()
        {
            var additionalid = ApplicationConfig.ReadWebConfig("CheckAdditinalID");

            if (additionalid != null && additionalid.Equals("Y"))
                return true;
            else
                return false;
        }

        /// <summary>
        /// Check for 4 digit pin number
        /// </summary>
        /// <param name="pin"></param>
        /// <returns></returns>
        public static bool IsValidPin(this string pin)
        {
            if (!string.IsNullOrEmpty(pin))
            {
                int iPin;

                if (pin.Length != 4)
                {
                    return false;
                }

                return int.TryParse(pin, out iPin);
            }
            else
            {
                return false;
            }
        }

        /// <summary>
        /// Check Wether the Mobile Number is Valid or not
        /// </summary>
        /// <param name="msisdn"></param>
        /// <returns></returns>
        public static bool IsValidMsisdn(this string msisdn)
        {
            int minPrefix = 2;
            int maxPrefix = 4;
            int chkFlag = 0;
            if (!string.IsNullOrEmpty(msisdn))
            {
                long iMsisdn;
                var splitMsisdnLength = MsisdnLengthSetting.Split('|').ToList();

                if (splitMsisdnLength.Contains(msisdn.Length.ToString()))
                {
                    var splitPrefix = MsisdnPrefix.Split('|').ToList();
                    for (int i = minPrefix; i <= maxPrefix; i++)
                    {
                        if (splitPrefix.Contains(msisdn.Substring(0, i))) //checking prefix
                        {
                            chkFlag = 1;
                            break;
                        }
                        else
                        {
                            continue;
                        }
                    }
                    if (chkFlag == 0)
                    {
                        return false;
                    }
                }
                else
                {
                    return false;
                }

                return long.TryParse(msisdn, out iMsisdn);
            }
            else
            {
                return false;
            }
        }

        public static bool IsValidARCFormat(string idType, string vin)
        {
            if (idType == ApplicationConfig.ReadWebConfig("kycVerificationIdType") || idType == ApplicationConfig.ReadWebConfig("kycNationalIdType"))
            {
                var number = vin.Split('-');
                if (number.Length != 2)
                {
                    return false;
                }
                else if (number[0].Length != 6 || number[1].Length != 7)
                {
                    return false;
                }
                else
                {
                    return true;
                }
            }
            else
            {
                return true;
            }
        }

        /// <summary>
        /// Generate Random Password
        /// </summary>
        /// <param name="length"></param>
        /// <returns></returns>
        public static string GenerateRandomPassword(int length)
        {
            const string chars = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
            return new string(Enumerable.Repeat(chars, length)
              .Select(s => s[Random.Next(s.Length)]).ToArray());
        }

        public static string GetTimestamp(DateTime value)
        {
            return value.ToString("yyyyMMddHHmmssffff");
        }

        /// <summary>
        /// Used to send email
        /// </summary>
        /// <param name="emailParameters"></param>
        /// <returns></returns>
        public static JsonResponse SendEmail(SendEmailParameters emailParameters)
        {
            MailMessage mail = new MailMessage();
            SmtpClient SmtpServer = new SmtpClient();
            try
            {
                SmtpServer.Host = ApplicationConfig.ReadWebConfig("smtp");
                SmtpServer.Port = Convert.ToInt16(ApplicationConfig.ReadWebConfig("port"));
                SmtpServer.Credentials = new System.Net.NetworkCredential(ApplicationConfig.ReadWebConfig("mailFrom"), ApplicationConfig.ReadWebConfig("emailPwd"));
                SmtpServer.EnableSsl = Convert.ToBoolean(ApplicationConfig.ReadWebConfig("enableSSL"));

                mail.From = new MailAddress(ApplicationConfig.ReadWebConfig("mailFrom"), ApplicationConfig.ReadWebConfig("mailSender"));
                mail.To.Add(emailParameters.ToEmails);
                if (!string.IsNullOrEmpty(emailParameters.CcEmails))
                    mail.CC.Add(emailParameters.CcEmails);
                if (!string.IsNullOrEmpty(emailParameters.BccEmails))
                    mail.Bcc.Add(emailParameters.BccEmails);
                mail.Subject = emailParameters.MsgSubject;
                mail.IsBodyHtml = true;
                mail.Body = emailParameters.MsgBody;
                SmtpServer.Send(mail);

                response.SetResponseMessage(HttpStatusCode.OK, "Message sent successfully");
            }
            catch (SmtpFailedRecipientsException ex)
            {
                for (int i = 0; i < ex.InnerExceptions.Length; i++)
                {
                    SmtpStatusCode status = ex.InnerExceptions[i].StatusCode;
                    if (status == SmtpStatusCode.MailboxBusy || status == SmtpStatusCode.MailboxUnavailable)
                    {
                        // Console.WriteLine("Delivery failed - retrying in 5 seconds.");
                        System.Threading.Thread.Sleep(5000);
                        SmtpServer.Send(mail);
                        response.SetResponseMessage(HttpStatusCode.OK, "Message sent successfully");
                    }
                    else
                    {
                        response.SetResponseMessage(HttpStatusCode.BadRequest, ex.InnerExceptions[i].FailedRecipient);

                        //  Console.WriteLine("Failed to deliver message to {0}", ex.InnerExceptions[i].FailedRecipient);
                        //throw ex;
                        //smtpMail.Status = "N";
                        //GetStatic.EmailNotificationLog(smtpMail);
                    }
                }
            }
            catch (Exception ex)
            {
                response.SetResponseMessage(HttpStatusCode.BadRequest, ex.Message);
            }
            return response;
        }

        /// <summary>
        /// To check the properties of a class for Null/Empty values
        /// </summary>
        /// <param name="obj">The instance of the class</param>
        /// <returns>Result of the evaluation</returns>
        public static bool IsAnyNullOrEmpty(object obj)
        {
            //Step 1: Set the count variable to check for the count of 2.
            int count = 0;
            try
            {
                //Step 2: Check if the incoming object has values or not.
                if (obj != null)
                {
                    //Step 3: Iterate over the properties and check for null values based on the type.
                    foreach (PropertyInfo pi in obj.GetType().GetProperties())
                    {
                        if (count >= 2)
                        {
                            return true;
                        }
                        dynamic value;
                        if (pi.PropertyType == typeof(string))
                        {
                            value = (string)pi.GetValue(obj);
                            if (!string.IsNullOrEmpty(value))
                            {
                                count++;
                            }
                        }
                        else if (pi.PropertyType == typeof(int))
                        {
                            value = (int)pi.GetValue(obj);
                            if (value > 0)
                            {
                                count++;
                            }
                        }
                        else if (pi.PropertyType == typeof(List<string>))
                        {
                            value = (List<string>)pi.GetValue(obj);
                            if (value != null)
                            {
                                if (value.Count > 0)
                                {
                                    count++;
                                }
                            }
                        }
                        else if (pi.PropertyType == typeof(bool))
                        {
                            value = pi.GetValue(obj);
                            if (value != null)
                            {
                                count++;
                            }
                        }
                    }
                    //Step 4: Check if the count variable is >2 that means there is atleast one parameter passed in the body
                    if (count >= 2)
                    {
                        return true;
                    }
                }
            }
            catch (Exception ex)
            {
                throw ex;
            }
            return false;
        }

        public static string ConvertToUnixTimestamp(string str)
        {
            try
            {
                DateTime date = Convert.ToDateTime(str);
                DateTime origin = new DateTime(1970, 1, 1, 0, 0, 0, 0);
                TimeSpan diff = date - origin;
                return Math.Floor(diff.TotalSeconds).ToString();
            }
            catch (Exception)
            {
                return "";
            }
        }

        public static bool ConvertToGlobalFormat(string param)
        {
            try
            {
                if (string.IsNullOrEmpty(param))
                {
                    return true;
                }

                DateTime dt;
                string[] formats = { "yyyy-MM-dd", "yyyy/MM/dd", "MM/dd/yyyy", "MM-dd-yyyy", "dd/MM/yyyy" };
                if (DateTime.TryParseExact(param, formats, System.Globalization.CultureInfo.InvariantCulture, System.Globalization.DateTimeStyles.None, out dt))
                {
                    return true;
                }
                else
                {
                    return false;
                }
            }
            catch (Exception ex)
            {
                return false;
            }
        }

        public static String ShowDecimal(String strVal)
        {
            if (strVal != "")
                return String.Format("{0:0,0.00}", double.Parse(strVal));
            else
                return strVal;
        }

        public static bool IsSupportTypeValid(string str)
        {
            var lstSupportType = LoadSupportType();
            return lstSupportType.Contains(str) ? true : false;
        }

        private static List<string> LoadSupportType()
        {
            if (lstSupportType == null)
            {
                lstSupportType = new List<string>();
                lstSupportType.Add("feedback");
                lstSupportType.Add("enquiry");
            }
            return lstSupportType;
        }

        public static bool IsTransferTypeValid(string type)
        {
            var lstTransferType = LoadTransferType();
            return lstTransferType.Contains(type) ? true : false;
        }

        private static List<string> LoadTransferType()
        {
            if (lstTransferType == null)
            {
                lstTransferType = new List<string>();
                lstTransferType.Add("offer");
                lstTransferType.Add("request");
            }
            return lstTransferType;
        }

        public static bool IsActionTypeValid(string type)
        {
            var lstActionType = LoadActionType();
            return lstActionType.Contains(type) ? true : false;
        }

        private static List<string> LoadActionType()
        {
            if (lstActionType == null)
            {
                lstActionType = new List<string>();
                lstActionType.Add("accept");
                lstActionType.Add("reject");
            }
            return lstActionType;
        }

        //public static bool IsScheduleTypeValid(string type)
        //{
        //    var lstScheduleType = LoadScheduleType();
        //    return lstScheduleType.Contains(type) ? true : false;
        //}
        //private static List<string> LoadScheduleType()
        //{
        //    if (lstScheduleType == null)
        //    {
        //        lstScheduleType = new List<string>();
        //        lstScheduleType.Add("0");
        //        lstScheduleType.Add("1");
        //    }
        //    return lstScheduleType;
        //}
        public static int GetOriginalLengthInBytes(string base64string)
        {
            if (string.IsNullOrEmpty(base64string)) { return 0; }

            var characterCount = base64string.Length;
            var paddingCount = base64string.Substring(characterCount - 2, 2)
                                           .Count(c => c == '=');
            return (3 * (characterCount / 4)) - paddingCount;
        }

        public static string[] SelectDistinct(this string[] array)
        {
            return array.Distinct().ToArray();
        }

        public static string ReadWebConfig(string key, string defValue)
        {
            var Key = ConfigurationManager.AppSettings[key] ?? defValue;
            return Key;
        }

        public static bool CheckDateType(string date)
        {
            DateTime dt;
            string[] formats = { "yyyy-MM-dd" };
            if (!DateTime.TryParseExact(date, formats,
                            System.Globalization.CultureInfo.InvariantCulture,
                            DateTimeStyles.None, out dt))
            {
                return false;
            }
            else
            {
                return true;
            }
        }

        public static KYCConfigDto GetKYCSettings(KycRequest obj)
        {
            KYCConfigDto dt = new KYCConfigDto() { Config = new TrustDocConfig(), Options = new List<KYCOption>() };
            KYCConfig referenceMaps = new KYCConfig();

            //string mappingPath = mappingPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, obj.DeviceType.ToLower().Equals("android") ? "config\\KycConfig-uat.json" : ConfigurationManager.AppSettings["KycConfigFilePath"].ToString());

            string mappingPath = mappingPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, ConfigurationManager.AppSettings["KycConfigFilePath"].ToString());
            using (StreamReader reader = File.OpenText(mappingPath))
            {
                var jsonS = reader.ReadToEnd();
                referenceMaps = Newtonsoft.Json.JsonConvert.DeserializeObject<KYCConfig>(jsonS);
            }

            if (!string.IsNullOrEmpty(obj.DeviceType))
            {
                dt.Config = referenceMaps.Config.Where(x => x.DeviceType.ToLower().Equals(obj.DeviceType.ToLower())).SingleOrDefault();

            }

            dt.Options = referenceMaps.Options;

            return dt;
        }

        public static List<Option> GetPaymetMethods()
        {
            List<Option> options = new List<Option>();

            string mappingPath = mappingPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, ConfigurationManager.AppSettings["PaymentConfigFilePath"].ToString());
            using (StreamReader reader = File.OpenText(mappingPath))
            {
                var jsonS = reader.ReadToEnd();
                options = Newtonsoft.Json.JsonConvert.DeserializeObject<List<Option>>(jsonS);
            }

            return options;
        }

        public static List<ReferenceMap> GetReferenceMaps()
        {
            List<ReferenceMap> referenceMaps = new List<ReferenceMap>();

            string mappingPath = mappingPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, ConfigurationManager.AppSettings["MappingFilePath"].ToString());

            using (StreamReader reader = File.OpenText(mappingPath))
            {
                var jsonS = reader.ReadToEnd();
                referenceMaps = Newtonsoft.Json.JsonConvert.DeserializeObject<List<Model.Config.ReferenceMap>>(jsonS);
            }

            return referenceMaps;
        }

        public static List<ReferenceMap> GetReferenceMaps(MappingType type)
        {
            var lstReferences = GetReferenceMaps().Where(x => x.Type.Equals(type.ToString()));

            return lstReferences.ToList();
        }

        public static Mapping GetMapping(MappingType type, string keyValue = "")
        {
            Mapping map = new Mapping();
            try
            {
                if (string.IsNullOrEmpty(keyValue))
                {
                    return new Mapping();
                }

                var lstReferences = GetReferenceMaps().Where(x => x.Type.Equals(type.ToString())).SingleOrDefault();

                map = lstReferences.Mappings.FirstOrDefault(x => (!String.IsNullOrEmpty(x.field) ? x.field.Trim().ToUpper() : "").Equals(keyValue.ToUpper().Trim()));

            }
            catch (Exception e)
            {
                throw e;
            }
            return map != null ? map : new Mapping();
        }

        #region LANGUAGE MAPPING

        public static List<LanguageMap> GetReferenceLangMaps()
        {

            List<LanguageMap> referenceMaps = new List<LanguageMap>();

            string mappingPath = mappingPath = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, ConfigurationManager.AppSettings["LangFilePath"].ToString());

            using (StreamReader reader = File.OpenText(mappingPath))
            {
                var jsonS = reader.ReadToEnd();
                referenceMaps = Newtonsoft.Json.JsonConvert.DeserializeObject<List<LanguageMap>>(jsonS);
            }


            return referenceMaps;
        }
        #endregion


        public static LanguageMap GetLanguageMapping(string keyValue, string lang = "en")
        {
            LanguageMap map = new LanguageMap();
            try
            {
                if (string.IsNullOrEmpty(keyValue))
                {
                    return new LanguageMap();
                }

                if (lang.Equals("np"))
                {
                    lang = "ne";
                }
                else if (lang.Equals("bd"))
                {
                    lang = "bn";
                }
                else if (lang.Equals("vn"))
                {
                    lang = "vi";
                }

                map = GetReferenceLangMaps().FirstOrDefault(x => x.Key.ToUpper().Equals(keyValue.ToUpper())
                                        && (!String.IsNullOrEmpty(x.Lang) ? x.Lang.Trim().ToUpper() : "EN").Equals(lang.ToUpper().Trim()));

                if (map != null && string.IsNullOrEmpty(map.Message))
                {
                    map = GetReferenceLangMaps().FirstOrDefault(x => x.Key.ToUpper().Equals(keyValue.ToUpper()) && x.Lang.Trim().ToUpper().Equals("EN"));
                }
                else if (map == null)
                {
                    map = GetReferenceLangMaps().FirstOrDefault(x => x.Key.ToUpper().Equals(keyValue.ToUpper()) && x.Lang.Trim().ToUpper().Equals("EN"));
                }
            }
            catch (Exception e)
            {
                throw e;
            }
            return map != null ? map : new LanguageMap();
        }

        // Reflection
        public static List<KeyValuePair> GetPropertiesNameOfClass(this object atype)
        {
            if (atype == null) return new List<KeyValuePair>();
            Type t = atype.GetType();
            PropertyInfo[] props = t.GetProperties(BindingFlags.Public | BindingFlags.Static | BindingFlags.Instance);
            List<KeyValuePair> dict = new List<KeyValuePair>();
            foreach (PropertyInfo prp in props)
            {
                object propValue = prp.GetValue(atype, new object[] { });

                dict.Add(new KeyValuePair { Key = prp.Name, Value = propValue != null ? propValue.ToString() : "" });
            }

            var bankId = GetPropertyValue(atype, "agent.id");
            dict.Add(new KeyValuePair { Key = "agent.id", Value = bankId != null ? bankId.ToString() : "" });

            var bankname = GetPropertyValue(atype, "agent.name");
            dict.Add(new KeyValuePair { Key = "agent.name", Value = bankname != null ? bankname.ToString() : "" });

            var branch = GetPropertyValue(atype, "agent.branch.id");
            dict.Add(new KeyValuePair { Key = "agent.branch.id", Value = branch != null ? branch.ToString() : "" });

            var accountno = GetPropertyValue(atype, "agent.accountNo");
            dict.Add(new KeyValuePair { Key = "agent.accountNo", Value = accountno != null ? accountno.ToString() : "" });
            return dict;
        }


        public static object GetPropertyValue(object src, string propName)
        {
            if (src == null)
                return null;
            if (propName == null) throw new ArgumentException("Value cannot be null.", "propName");

            if (propName.Contains("."))//complex type nested
            {
                var temp = propName.Split(new char[] { '.' }, 2);
                return GetPropertyValue(GetPropertyValue(src, temp[0]), temp[1]);
            }
            else
            {
                var prop = src.GetType().GetProperty(propName);
                return prop != null ? prop.GetValue(src, null) : null;
            }
        }

        public static string GetFullName(string fname, string mname, string lname)
        {
            string fullName = string.Empty;
            fullName = string.Format("{0} {1}", (!string.IsNullOrEmpty(mname)) ? fname + " " + mname : fname, lname);
            return fullName;
        }

        public static string getUKFormattedNumber(this string number)
        {
            string finalNo = number;
            if (!number.Contains("+44"))
            {
                string mobileFirst = number.Substring(0, 1);
                if (mobileFirst == "0")
                {
                    if (number.Length == 11)
                    {
                        finalNo = "+44" + number.Substring(1, number.Length - 1);
                        return finalNo;
                    }
                    else if (number.Length < 11)
                    {
                        finalNo = $"+44{number}";
                    }
                }
                else if (number.Substring(0, 1) != "0" && number.Length == 10)
                {
                    finalNo = $"+44{number}";
                }
            }
            else if (number.Contains("+44"))
            {
                string MobN = number.Substring(4, 1);
                if (MobN == "0" && number.Length > 14)
                {
                    finalNo = number.Remove(4, 1);
                }
            }
            if (!finalNo.Substring(0, 1).Contains("+"))
            {

                finalNo = $"+{finalNo}";
            }
            return finalNo;
        }
    }
}