using System;
using System.Collections.Generic;

using Ease.Core.Model;
using System.Data;
using System.Security.Claims;

namespace HRM.BO
{
    public class CurrentUser
    {
        public int UserID { get; set; }
        public string LoginID { get; set; }
        private int? _employeeID;
        public int? EmployeeID
        {
            get
            {
                if (UserType == EnumUserType.Employee && this._employeeID == null)
                {
                    throw new Exception("Employee-ID cann't be null, Self-service login");
                }
                return this._employeeID;
            }
            set { _employeeID = value; }
        }
        public string UserName { get; set; }
        public int? PayrollTypeID { get; set; }
        public DateTime? NextPayProcessDate { get; set; }
        public DateTime? LastPayProcessDate { get; set; }
        public int? TaxParamID {get;set;}
        public string Description { get; set; }
        public EnumUserType UserType { get; set; }
        public bool hasDataPermission { get; set; }
        public CurrentUser()
        {
            this.PayrollTypeID = null;
            this.EmployeeID = null;
            this.TaxParamID = null;
            this.NextPayProcessDate = null;
            this.hasDataPermission = false;
        }
        public static CurrentUser GetCurrentUser(ClaimsPrincipal principal)
        {
            if (principal == null || principal.Identity == null || principal.Identity.IsAuthenticated == false)
                return null;


            CurrentUser oUser = new CurrentUser();
            foreach (Claim item in principal.Claims)
            {
                if (item.Type == "UserID")
                    oUser.UserID = Convert.ToInt32(item.Value);

                if (item.Type == "UserName")
                    oUser.UserName = item.Value;

                if (item.Type == "LoginID")
                    oUser.LoginID = item.Value;

                if (item.Type == "UserType")
                    oUser.UserType =(EnumUserType) Convert.ToInt32( item.Value);

                if (item.Type == "EmployeeID" && item.Value !="0")
                    oUser.EmployeeID = Convert.ToInt32(item.Value);

                if (item.Type == "PayrollTypeID" && item.Value != "0")
                    oUser.PayrollTypeID = Convert.ToInt32(item.Value);

                if (item.Type == "nextPayProcessDate" && item.Value != "null") { 
                    oUser.NextPayProcessDate = Convert.ToDateTime(item.Value);
                    //oUser.LastPayProcessDate = oUser.LastPayProcessDate.Value.AddMonths(-1).LastDateOfMonth();
                }

                if (item.Type == "taxParamId" && item.Value != "null" && item.Value != string.Empty)
                    oUser.TaxParamID = Convert.ToInt32(item.Value);
                if (item.Type == "hasDataPermission" && item.Value != "null" && item.Value != string.Empty)
                    oUser.hasDataPermission = Convert.ToBoolean(item.Value);
                
            }
            return oUser;
        }
    }

    public partial class User : BasicBaseObject
    {
        public User()
        {
            this.PasswordHints = "";
            this.NeverExpire = false;
            this.EmployeeID = null;
            this.ChangePasswordAtNextLogon = true;
            this.LastPasswordChangedDate = null;
            this.IPAddress = "";
            this.MacAddress = "";
            this.ComputerName = "";

        }

        public void Logout()
        {
        }


        public string LoginID { get; set; }
        public bool NeverExpire { get; set; }
        public string MacAddress { get; set; }
        public string IPAddress { get; set; }
        public string UserRole { get; set; }
        //public string Password { get; set; }
        private string _password;

        public string Password
        {
          //  get { return Ease.Core.Utility.Global.CipherFunctions.Decrypt("CeLiMiTeD.AdMIn", _password); }
            get { return _password; }
            set { _password = value; }
        }

        public bool ResetPassword { get; set; }
        public bool ChangePasswordAtNextLogon { get; set; }
        public DateTime? LastPasswordChangedDate { get; set; }
        public string PasswordHints { get; set; }
        public DateTime? ExpireDate { get; set; }
        public bool IsPasswordExpired    // not a database filed
        {
            get
            {
                if (ExpireDate.HasValue)
                    return DateTime.Today.Date > ExpireDate.Value;

                return false;
            }
        }
        public int? EmployeeID { get; set; }
        public string Email { get; set; } //erec

        #region Payroll Specific
        public string UserName { get; set; }
        public string? ComputerName { get; set; }
        public EnumAuthStatus UserStatus { get; set; }
        public int ParentID { get; set; }

        public bool SISU{ get; set; }
        public EnumUserType UserType { get; set; }
        public int LogInPayrollTypeID { get; set; } // Not a database field
        public int? ApprovedBy { get; set; }
        public DateTime? ApprovedDate { get; set; }
        public string? ApprovedComputerName { get; set; }
        public string LockedWorkStation { get; set; }
        public string Reason { get; set; }
        public int? AuthorizedBy { get; set; }
        public DateTime? AuthorizedDate { get; set; }
        public List<UserAccessType> UserAccessTypes { get; set; }
        public List<UserRole> Roles { get; set; }
        #endregion
    }

    #region IUser Service

    public interface IUserService
    {
        User GetByLoginIDAndPassword(string LoginID, string password);
        User GetByLoginIDAndPasswordAndHostName(string LoginID, string password, string hostName);
        int Save(User item);
        List<User> Get(string LoginID, string Name, EnumUserType type);
        List<User> GetAll();
        bool IsSuperUser(string LoginID);
        void ChangePasswordEss(User oUser);
        void ChangePasswordAdmin(User oUser);
        DateTime GetEndofContractDate(string LoginID);
        User Get(int employeeid, EnumUserType type);

        User Get(int id);

        User GetByEmail(string email);
        //User Get(string sName);
        User GetByLogINID(string sLogINID, EnumSystemType eSysType);
        //User GetByLoginIDAndPassword(string sLoginID, string sPassword, EnumSystemType eSysType);
        User ADLogIn(string emailAddress, EnumSystemType eSysType);
        //List<User> Get(EnumSystemType type);
        //List<User> Get();
        //void Delete(int id);
        void Update(User user, EnumStatus status);
        void Approve(User user);
        int GetUserId(int employeeid, EnumUserType type);
        User GetByLoginIDbyEmail(string sEmail);

        void DoActiveAndIntacive(User oUser);
        //void SaveAllUsers(List<User> oUsers);
        //DataSet GetUsers(EnumSystemType type, DateTime fromDate, DateTime ToDate);
    }

    #endregion
}