namespace VECV_WebApi.Models.Authorization
{
    #region Namespaces

    using LoggingHelper;
    using System;
    using System.Configuration;
    using System.Web;   
 
    #endregion

    #region Class

    /// <summary>
    /// This class is used to authorize the service user
    /// </summary>
    public class AuthenticationRepository 
    {
        #region Global Variables

        /// <summary>
        /// making object of LoggingUtility class available to this class
        /// </summary>
        LoggingUtility objLog = new LoggingUtility();

        /// <summary>
        /// making the data-log file path available to this class
        /// </summary>
        string path = HttpContext.Current.Server.MapPath(ConfigurationManager.AppSettings["PathLog"]);

        /// <summary>
        /// making error log file path available to this class
        /// </summary>
        string errorlogtf = (ConfigurationManager.AppSettings["ErrorLog"]);

        /// <summary>
        /// making the security code for authorization available to this class
        /// </summary>
        private string _token;

        /// <summary>
        /// making Authenticate model object available to this class
        /// </summary>
        AutheticateModel objAuth;

        #endregion

        #region Constructor

        /// <summary>
        /// Default constructor intialize security token value
        /// </summary>
        public AuthenticationRepository()
        {
            _token = ConfigurationManager.AppSettings["Token"];
        }

        #endregion

        #region API Methods

        /// <summary>
        /// To authenticate service user by matching security token
        /// </summary>
        /// <param name="token">security token which is send by service user</param>
        /// <returns>True if security token are matched elxe False</returns>
        public bool AuthenticateDevice(string token)
        {
            try
            {
                if (token == _token)
                    return true;
                else
                    return false;

            }
            catch (Exception Ex)
            {
                objLog.ErrorLogFile("AuthenticateDevice", Ex.Message, path, errorlogtf);
                throw new Exception(Ex.Message);
            }
        }

        /// <summary>
        /// To autheticate user id and password on sign in
        /// </summary>
        /// <param name="model">login id and password info</param>
        /// <returns>authenticate status</returns>
        public AutheticateModel AutheticateUser(LoginModel model)
        {
            objAuth = new AutheticateModel();
            try
            {
                if (AuthenticateDevice(model.Token))
                {
                    if (model.UserName == ConfigurationManager.AppSettings["Login"].ToString() && model.Password == ConfigurationManager.AppSettings["Password"].ToString())
                    {
                        objAuth.Status = ConfigurationManager.AppSettings["LoginSuccess"].ToString();
                        objAuth.Message = ConfigurationManager.AppSettings["LoginSuccessMsg"].ToString();
                        return objAuth;
                    }
                    else
                    {
                        objAuth.Status = ConfigurationManager.AppSettings["LoginFail"].ToString();
                        objAuth.Message = ConfigurationManager.AppSettings["LoginFailMsg"].ToString();
                        return objAuth;
                    }
                }
                else
                {
                    objAuth.Status = ConfigurationManager.AppSettings["LoginFail"].ToString();
                    objAuth.Message = ConfigurationManager.AppSettings["DeviceConfigurationTokenMessage"].ToString();
                    return objAuth;
                }
            }
            catch(Exception Ex)
            {
                objLog.ErrorLogFile("AutheticateUser", Ex.Message, path, errorlogtf);
                throw new Exception(Ex.Message);
               
            }
        }
        
        #endregion
    }

    #endregion
}