using System;
using System.Collections.Generic;
using System.Configuration;
using System.Data;
using System.IO;
using System.Linq;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Threading.Tasks;
using AutoMapper.Configuration;
using Google.Protobuf.WellKnownTypes;
using HRM.BO;
using HRM.DA;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Microsoft.AspNetCore.StaticFiles;
using Microsoft.Extensions.Configuration;
using NPOI.SS.Formula.Functions;
using Org.BouncyCastle.Ocsp;
using static HRM.Report.PayrollDataSet.PayrollDataSet;
using static iTextSharp.text.pdf.AcroFields;
using static NPOI.POIFS.Crypt.Dsig.SignatureInfo;
using IConfiguration = Microsoft.Extensions.Configuration.IConfiguration;

// For more information on enabling MVC for empty projects, visit https://go.microsoft.com/fwlink/?LinkID=397860

namespace HRM.UI.Controllers
{
    [ApiController]
    [Route("api/LetterRequest")]
    [Authorize]
    public class LetterRequestController : Controller
    {
        #region Declerations

        private readonly ICVService _cvService;
        private readonly IHeadCountApprovalRequestService _headCountApprovalRequestService;
        private readonly IInternalRecruitmentService _internalRecruitmentService;
        private readonly ICandidateService _candidateService;
        private readonly IRecruitementProcessService _recruitementProcessService;
        private readonly IRecruitmentLettersService _recruitementLettterService;
        private readonly ILetterRequestService _letterRequestService;
        private readonly IEmployeeService _employeeService;
        private readonly IDepartmentService _departmentService;
        private readonly IDesignationService _designationService;
        private readonly IGradeService _gradeService;
        private readonly ICategoryService _categoryService;
        private readonly IConfiguration _config;
        private readonly IAuthorizedPersonService _authorizedPersonService;
        private readonly ICountryService _countryService;
        private readonly IOrganizationService _organizationService;
        private readonly ISalaryMonthlyService _salaryMonthlyService;
        private readonly IPayrollTypeService _payrollTypeService;
        private readonly IEmpLifeCycleService _empLifeCycleService;
        private readonly IEmployeeGradeSalaryService _empGradeSalaryService;


        BusinessTemplateBuilder _templateBuilder = null;

        private static string _filePath = @"Documents\LetterTempletes";

        //test
        //private static string _letterRequestTemplatePath = @"ClientApp\Documents\LetterTempletes\";
        //private static string _letterfileGeneratedPath = @"ClientApp\Documents\LetterTempletes\GeneratedLetter\";
        //private static string _letterRequestSignaturePath = @"ClientApp\Documents\LetterTempletes\Signatures\";
        //private static string _logoPath = @"ClientApp\Documents\LetterTempletes\Signatures\PulsTrading.png";
        //private static string _letterRequestfilePath = @"ClientApp\Documents\";
        //private static string _letterRequestSignatureSealPath = @"ClientApp\Documents\LetterTempletes\Signatures\TempSignatureFiles\";

        //live
        private static string _letterRequestTemplatePath = @"Documents\LetterTempletes\";
        private static string _letterfileGeneratedPath = @"Documents\LetterTempletes\GeneratedLetter\";
        private static string _letterRequestSignaturePath = @"Documents\LetterTempletes\Signatures\";
        private static string _logoPath = @"Documents\LetterTempletes\Signatures\PulsTrading.png";
        private static string _letterRequestfilePath = @"Documents\";
        private static string _letterRequestSignatureSealPath = @"Documents\LetterTempletes\Signatures\TempSignatureFiles\";

        #endregion

        #region Constructor

        public LetterRequestController(IConfiguration config,
            ICVService cvService,
            IHeadCountApprovalRequestService headCountService,
            IInternalRecruitmentService internalRecruitmentService,
            IPayrollTypeService pTypeService,
            ICandidateService candidateService, IRecruitementProcessService recruitementProcessService
            , IRecruitmentLettersService recruitementLettterService, ILetterRequestService letterRequestService, IEmployeeService employeeService,
            IDepartmentService departmentService, IDesignationService designationService, ICategoryService categoryService, IGradeService gradeService,
            IAuthorizedPersonService authorizedPersonService, ICountryService countryService, IOrganizationService organizationService, ISalaryMonthlyService salaryMonthlyService,
            IEmpLifeCycleService empLifeCycleService,IEmployeeGradeSalaryService employeeGradeSalaryService
            )
        {
            _config = config;
            _cvService = cvService;
            _headCountApprovalRequestService = headCountService;
            _internalRecruitmentService = internalRecruitmentService;
            _candidateService = candidateService;
            this._recruitementProcessService = recruitementProcessService;
            this._recruitementLettterService = recruitementLettterService;
            this._letterRequestService = letterRequestService;
            this._employeeService = employeeService;
            this._departmentService = departmentService;
            this._designationService = designationService;
            this._categoryService = categoryService;
            this._gradeService = gradeService;
            this._countryService = countryService;
            _authorizedPersonService = authorizedPersonService;
            _organizationService = organizationService;
            this._salaryMonthlyService = salaryMonthlyService;
            this._payrollTypeService = pTypeService;
            this._empLifeCycleService = empLifeCycleService;
            this._empGradeSalaryService = employeeGradeSalaryService;
        }

        #endregion

        [HttpGet]
        [Route("getOrganizationByOrganizationType/{type}")]
        public ActionResult GetOrganizationByOrganizationType(EnumLetterOrganizationType type)
        {
            List<Organization> oOrganizations = new List<Organization>();
            DataSet ds = new DataSet();
            try
            {
                ds = _letterRequestService.GetOrganizationByOrganizationType(type);
                foreach (var row in ds.Tables[0].AsEnumerable())
                {
                    Organization temp = new Organization();
                    temp.ID = row["ORGANIZATIONID"] == null ? 0 : row.Field<Int32>("ORGANIZATIONID");
                    temp.Name = row["Name"] == null ? "" : row.Field<string>("Name");
                    temp.Code = row["Code"] == null ? "" : row.Field<string>("Code");
                    temp.Address = row["Address"] == null ? "" : row.Field<string>("Address");
                    temp.AddressLine2 = row["AddressLine2"] == null ? "" : row.Field<string>("AddressLine2");
                    temp.AddressLine3 = row["AddressLine3"] == null ? "" : row.Field<string>("AddressLine3");
                    temp.RecipeintDesignation = row["RECIPIENTDESIGNATION"] == null ? "" : row.Field<string>("RECIPIENTDESIGNATION");
                    temp.CountryId = row["Country"] == DBNull.Value ? 0 : Convert.ToInt32(row["Country"]);
                    //temp.Nationality = row["Nationality"] == null ? "" : row.Field<string>("Nationality");
                    //temp.PassportNo = row["PassportNo"] == null ? "" : row.Field<string>("PassportNo");
                    oOrganizations.Add(temp);
                }

            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(oOrganizations);
        }

        [HttpPost]
        [Route("saveletterrequest")]
        public ActionResult SaveLetterRequest(LetterRequest ob)
        {
            try
            {

                CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
                ob.CreatedBy = currentUser.UserID;
                ob.CreatedDate = DateTime.Today;
                ob.RequestDate = DateTime.Today;
                ob.EmployeeId = (int)currentUser.EmployeeID;
                if (!Convert.ToBoolean(ob.IsDisgitalSinature))
                {
                    ob.IsDisgitalSinature = false;
                    ob.Status = EnumStatus.Inactive;// Inactive == Approved
                }
                _letterRequestService.Save(ob);
            }
            catch (Exception e)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, e.Message);
            }

            return Ok();
        }

        [HttpGet]
        [Route("getLetterRequests")]
        public ActionResult getLetterRequests()
        {
            DataSet ds = new DataSet();
            List<LetterRequest> oLetterRequests = new List<LetterRequest>();
            try
            {

                CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
                ds = _letterRequestService.GetLetterRequests((int)currentUser.EmployeeID);
                foreach (var row in ds.Tables[0].AsEnumerable())
                {
                    LetterRequest temp = new LetterRequest();

                    temp.ID = row["LetterRequestId"] == null ? 0 : row.Field<Int32>("LetterRequestId");
                    temp.Purpose = (EnumLetterRequestPurpose)int.Parse(row["Purpose"].ToString());
                   
                    temp.PurposeName = !string.IsNullOrEmpty(row["Purpose"].ToString()) ? ((EnumLetterRequestPurpose)int.Parse(row["Purpose"].ToString())).ToString().Replace("_", " ") : string.Empty;
                    if (temp.Purpose == EnumLetterRequestPurpose.Employment_Certificate || temp.Purpose == EnumLetterRequestPurpose.Experience_Certificate || temp.Purpose == EnumLetterRequestPurpose.Visa_Request_NOC_Personal || temp.Purpose == EnumLetterRequestPurpose.NOC_For_Immigration)
                    {
                        temp.PurposeName = EnumHelper.GetEnumDescription(temp.Purpose);
                    }

                    temp.AddressLine1 = !string.IsNullOrEmpty(row["AddressLine1"].ToString()) ? row["AddressLine1"].ToString() : string.Empty;
                    temp.AddressLine2 = !string.IsNullOrEmpty(row["AddressLine2"].ToString()) ? row["AddressLine2"].ToString() : string.Empty;
                    temp.AddressLine3 = !string.IsNullOrEmpty(row["AddressLine3"].ToString()) ? row["AddressLine3"].ToString() : string.Empty;
                    temp.PassportNo = !string.IsNullOrEmpty(row["PassportNo"].ToString()) ? row["PassportNo"].ToString() : string.Empty;
                    temp.Nationality = !string.IsNullOrEmpty(row["Nationality"].ToString()) ? row["Nationality"].ToString() : string.Empty;

                    temp.Remarks = !string.IsNullOrEmpty(row["Remarks"].ToString()) ? row["Remarks"].ToString() : string.Empty;
                    temp.FromDate = !string.IsNullOrEmpty(row["FromDate"].ToString()) ? DateTime.Parse(row["FromDate"].ToString()) : null;
                    temp.ToDate = !string.IsNullOrEmpty(row["ToDate"].ToString()) ? DateTime.Parse(row["ToDate"].ToString()) : null;
                    temp.CountryId = row["CountryId"] == DBNull.Value ? 0 : Convert.ToInt32(row["CountryId"]);

                    temp.CreatedDate = DateTime.Parse(row["CREATIONDATE"].ToString());
                    temp.ApprovalDate = !string.IsNullOrEmpty(row["APPROVALDATE"].ToString()) ? DateTime.Parse(row["APPROVALDATE"].ToString()) : null;
                    temp.EmployeeId = row["EmployeeId"] == null ? 0 : row.Field<Int32>("EmployeeId");
                    temp.EmployeeNo = !string.IsNullOrEmpty(row["EMPLOYEENO"].ToString()) ? row["EMPLOYEENO"].ToString() : string.Empty;
                    temp.EmployeeName = !string.IsNullOrEmpty(row["EmployeeName"].ToString()) ? row["EmployeeName"].ToString() : string.Empty;
                    temp.RejectComment = !string.IsNullOrEmpty(row["REJECTCOMMENT"].ToString()) ? row["REJECTCOMMENT"].ToString() : string.Empty;
                    temp.RequestDate = DateTime.Parse(row["LETTERREQUESTDATE"].ToString());
                    temp.LastWorkingDate = !string.IsNullOrEmpty(row["LastWorkingDate"].ToString()) ? DateTime.Parse(row["LastWorkingDate"].ToString()) : null;
                    temp.LetterRequestStatus = (EnumLetterRequestStatus)int.Parse(row["Status"].ToString());
                    temp.RejectComment = !string.IsNullOrEmpty(row["REJECTCOMMENT"].ToString()) ? row["REJECTCOMMENT"].ToString() : string.Empty;
                    if ((EnumLetterRequestStatus)int.Parse(row["status"].ToString()) == EnumLetterRequestStatus.Approved)
                    {
                        temp.StatusString = "Approved";
                    }
                    else if ((EnumLetterRequestStatus)int.Parse(row["WfStatus"].ToString()) == EnumLetterRequestStatus.Rejected)
                    {
                        temp.StatusString = "Rejected";
                    }
                    else if ((EnumLetterRequestStatus)int.Parse(row["WfStatus"].ToString()) == EnumLetterRequestStatus.Submitted)
                    {
                        temp.StatusString = "Submitted";
                    }
                    else
                    {
                        temp.StatusString = !string.IsNullOrEmpty(row["Status"].ToString()) ? ((EnumLetterRequestStatus)int.Parse(row["Status"].ToString())).ToString() == "Not Approved" ? string.Empty : ((EnumLetterRequestStatus)int.Parse(row["Status"].ToString())).ToString().Replace("_", " ") : string.Empty;
                    }
                    temp.TripType = row["TripType"] == DBNull.Value ? EnumLetterRequestTrip.None : (EnumLetterRequestTrip)int.Parse(row["TripType"].ToString());
                    temp.SignatoryId = row["AuthorizedPersonId"] == DBNull.Value ? 0 : Convert.ToInt32(row["AuthorizedPersonId"]);
                    temp.OrganizationId = row["OrganizationId"] == DBNull.Value ? 0 : Convert.ToInt32(row["OrganizationId"]);
                    temp.IsDisgitalSinature = row["IsDisgitalSinature"] == DBNull.Value ? null : Convert.ToBoolean(row["IsDisgitalSinature"]);
                    temp.IsWFNeeded = row["IsWFNeeded"] == DBNull.Value ? null : Convert.ToBoolean(row["IsWFNeeded"]);
                    temp.RecipeintDesignation = !string.IsNullOrEmpty(row["RecipeintDesignation"].ToString()) ? row["RecipeintDesignation"].ToString() : string.Empty;
                    oLetterRequests.Add(temp);
                }

            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(oLetterRequests);
        }

        [HttpGet]
        [Route("getPendingLetterRequest")]
        public ActionResult getPendingLetterRequest()
        {
            DataSet ds = new DataSet();
            List<LetterRequest> oLetterRequests = new List<LetterRequest>();
            try
            {

                ds = _letterRequestService.GetPendingLetterRequestsForApproval();
                foreach (var row in ds.Tables[0].AsEnumerable())
                {
                    LetterRequest temp = new LetterRequest();

                    temp.ID = row["LetterRequestId"] == null ? 0 : row.Field<Int32>("LetterRequestId");
                    temp.Purpose = (EnumLetterRequestPurpose)int.Parse(row["Purpose"].ToString());
                    temp.PurposeName = !string.IsNullOrEmpty(row["Purpose"].ToString()) ? ((EnumLetterRequestPurpose)int.Parse(row["Purpose"].ToString())).ToString().Replace("_", " ") : string.Empty;

                    temp.AddressLine1 = !string.IsNullOrEmpty(row["AddressLine1"].ToString()) ? row["AddressLine1"].ToString() : string.Empty;
                    temp.AddressLine2 = !string.IsNullOrEmpty(row["AddressLine2"].ToString()) ? row["AddressLine2"].ToString() : string.Empty;

                    temp.Remarks = !string.IsNullOrEmpty(row["Remarks"].ToString()) ? row["Remarks"].ToString() : string.Empty;
                    temp.FromDate = !string.IsNullOrEmpty(row["FROMDATE"].ToString()) ? DateTime.Parse(row["FROMDATE"].ToString()) : null;
                    temp.ToDate = !string.IsNullOrEmpty(row["TODATE"].ToString()) ? DateTime.Parse(row["TODATE"].ToString()) : null;

                    temp.CreatedDate = DateTime.Parse(row["CREATIONDATE"].ToString());
                    temp.ApprovalDate = !string.IsNullOrEmpty(row["APPROVALDATE"].ToString()) ? DateTime.Parse(row["APPROVALDATE"].ToString()) : null;
                    temp.LetterRequestStatus = (EnumLetterRequestStatus)int.Parse(row["Status"].ToString());
                    //temp.ApprovalNeeded = ;
                    temp.RejectComment = !string.IsNullOrEmpty(row["REJECTCOMMENT"].ToString()) ? row["REJECTCOMMENT"].ToString() : string.Empty;
                    temp.RejectComment = !string.IsNullOrEmpty(row["REJECTCOMMENT"].ToString()) ? row["REJECTCOMMENT"].ToString() : string.Empty;
                    if ((EnumLetterRequestStatus)int.Parse(row["status"].ToString()) == EnumLetterRequestStatus.Approved)
                    {
                        temp.StatusString = "Approved";
                    }
                    else if ((EnumLetterRequestStatus)int.Parse(row["WfStatus"].ToString()) == EnumLetterRequestStatus.Rejected)
                    {
                        temp.StatusString = "Rejected";
                    }
                    else if ((EnumLetterRequestStatus)int.Parse(row["WfStatus"].ToString()) == EnumLetterRequestStatus.Submitted)
                    {
                        temp.StatusString = "Submitted";
                    }
                    else
                    {
                        temp.StatusString = !string.IsNullOrEmpty(row["Status"].ToString()) ? ((EnumLetterRequestStatus)int.Parse(row["Status"].ToString())).ToString() == "None" ? string.Empty : ((EnumLetterRequestStatus)int.Parse(row["Status"].ToString())).ToString().Replace("_", " ") : string.Empty;
                    }
                    temp.EmployeeId = row["EmployeeId"] == null ? 0 : row.Field<Int32>("EmployeeId");
                    temp.EmployeeNo = !string.IsNullOrEmpty(row["EMPLOYEENO"].ToString()) ? row["EMPLOYEENO"].ToString() : string.Empty;
                    temp.EmployeeName = !string.IsNullOrEmpty(row["EmployeeName"].ToString()) ? row["EmployeeName"].ToString() : string.Empty;
                    temp.RequestDate = DateTime.Parse(row["LETTERREQUESTDATE"].ToString());
                    temp.SignatoryId = row["AuthorizedPersonId"] == DBNull.Value ? 0 : Convert.ToInt32(row["AuthorizedPersonId"]);
                    temp.OrganizationId = row["OrganizationId"] == DBNull.Value ? 0 : Convert.ToInt32(row["OrganizationId"]);
                    temp.IsDisgitalSinature = row["IsDisgitalSinature"] == DBNull.Value ? null : Convert.ToBoolean(row["IsDisgitalSinature"]);
                    temp.IsWFNeeded = row["IsWFNeeded"] == DBNull.Value ? null : Convert.ToBoolean(row["IsWFNeeded"]);
                    temp.RecipeintDesignation = !string.IsNullOrEmpty(row["RecipeintDesignation"].ToString()) ? row["RecipeintDesignation"].ToString() : string.Empty;
                    oLetterRequests.Add(temp);
                }

            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(oLetterRequests);
        }

        [HttpGet]
        [Route("getRequestedLetterRequestItems/{fromDate}/{toDate}/{empId}")]
        public ActionResult GetRequestedLetterRequestItems(DateTime? fromDate, DateTime? toDate, int empId)
        {
            DataSet ds = new DataSet();
            List<LetterRequest> oLetterRequests = new List<LetterRequest>();
            try
            {

                ds = _letterRequestService.GetRequestedLetterRequestItems(fromDate, toDate, empId);
                foreach (var row in ds.Tables[0].AsEnumerable())
                {
                    LetterRequest temp = new LetterRequest();

                    temp.ID = row["LetterRequestId"] == null ? 0 : row.Field<Int32>("LetterRequestId");
                    temp.Purpose = (EnumLetterRequestPurpose)int.Parse(row["Purpose"].ToString());
                    temp.PurposeName = !string.IsNullOrEmpty(row["Purpose"].ToString()) ? ((EnumLetterRequestPurpose)int.Parse(row["Purpose"].ToString())).ToString().Replace("_", " ") : string.Empty;

                    temp.AddressLine1 = !string.IsNullOrEmpty(row["AddressLine1"].ToString()) ? row["AddressLine1"].ToString() : string.Empty;
                    temp.AddressLine2 = !string.IsNullOrEmpty(row["AddressLine2"].ToString()) ? row["AddressLine2"].ToString() : string.Empty;

                    temp.Remarks = !string.IsNullOrEmpty(row["Remarks"].ToString()) ? row["Remarks"].ToString() : string.Empty;
                    temp.FromDate = !string.IsNullOrEmpty(row["FROMDATE"].ToString()) ? DateTime.Parse(row["FROMDATE"].ToString()) : null;
                    temp.ToDate = !string.IsNullOrEmpty(row["TODATE"].ToString()) ? DateTime.Parse(row["TODATE"].ToString()) : null;

                    temp.CreatedDate = DateTime.Parse(row["CREATIONDATE"].ToString());
                    temp.ApprovalDate = !string.IsNullOrEmpty(row["APPROVALDATE"].ToString()) ? DateTime.Parse(row["APPROVALDATE"].ToString()) : null;
                    temp.LetterRequestStatus = (EnumLetterRequestStatus)int.Parse(row["Status"].ToString());
                    //temp.ApprovalNeeded = ;
                    temp.RejectComment = !string.IsNullOrEmpty(row["REJECTCOMMENT"].ToString()) ? row["REJECTCOMMENT"].ToString() : string.Empty;
                    if ((EnumLetterRequestStatus)int.Parse(row["status"].ToString()) == EnumLetterRequestStatus.Approved)
                    {
                        temp.StatusString = "Approved";
                    }
                    else if ((EnumLetterRequestStatus)int.Parse(row["WfStatus"].ToString()) == EnumLetterRequestStatus.Rejected)
                    {
                        temp.StatusString = "Rejected";
                    }
                    else if ((EnumLetterRequestStatus)int.Parse(row["WfStatus"].ToString()) == EnumLetterRequestStatus.Submitted)
                    {
                        temp.StatusString = "Submitted";
                    }
                    else
                    {
                        temp.StatusString = !string.IsNullOrEmpty(row["Status"].ToString()) ? ((EnumLetterRequestStatus)int.Parse(row["Status"].ToString())).ToString() == "None" ? string.Empty : ((EnumLetterRequestStatus)int.Parse(row["Status"].ToString())).ToString().Replace("_", " ") : string.Empty;
                    }
                    temp.EmployeeId = row["EmployeeId"] == null ? 0 : row.Field<Int32>("EmployeeId");
                    temp.EmployeeNo = !string.IsNullOrEmpty(row["EMPLOYEENO"].ToString()) ? row["EMPLOYEENO"].ToString() : string.Empty;
                    temp.EmployeeName = !string.IsNullOrEmpty(row["EmployeeName"].ToString()) ? row["EmployeeName"].ToString() : string.Empty;
                    temp.RequestDate = DateTime.Parse(row["LETTERREQUESTDATE"].ToString());
                    temp.SignatoryId = row["AuthorizedPersonId"] == DBNull.Value ? 0 : Convert.ToInt32(row["AuthorizedPersonId"]);
                    temp.IsDisgitalSinature = row["IsDisgitalSinature"] == DBNull.Value ? null : Convert.ToBoolean(row["IsDisgitalSinature"]);
                    temp.IsWFNeeded = row["IsWFNeeded"] == DBNull.Value ? null : Convert.ToBoolean(row["IsWFNeeded"]);
                    temp.RecipeintDesignation = !string.IsNullOrEmpty(row["RecipeintDesignation"].ToString()) ? row["RecipeintDesignation"].ToString() : string.Empty;
                    oLetterRequests.Add(temp);
                }

            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(oLetterRequests);
        }


        [HttpGet]
        [Route("getLetterRequestForApproval/{id}")]
        public ActionResult GetLetterRequestForApproval(int id)
        {
            DataSet ds = new DataSet();
            List<LetterRequest> oLetterRequests = new List<LetterRequest>();
            try
            {

                ds = _letterRequestService.GetLetterRequestForApproval(id);
                foreach (var row in ds.Tables[0].AsEnumerable())
                {
                    LetterRequest temp = new LetterRequest();
                    temp.ID = row["LetterRequestId"] == null ? 0 : row.Field<Int32>("LetterRequestId");
                    temp.Purpose = (EnumLetterRequestPurpose)int.Parse(row["Purpose"].ToString());
                    temp.PurposeName = !string.IsNullOrEmpty(row["Purpose"].ToString()) ? ((EnumLetterRequestPurpose)int.Parse(row["Purpose"].ToString())).ToString().Replace("_", " ") : string.Empty;
                    temp.Remarks = !string.IsNullOrEmpty(row["Remarks"].ToString()) ? row["Remarks"].ToString() : string.Empty;
                    temp.FromDateString = !string.IsNullOrEmpty(row["FROMDATE"].ToString()) ? DateTime.Parse(row["FROMDATE"].ToString()).ToString("dd/MM/yy") : null;
                    temp.ToDateString = !string.IsNullOrEmpty(row["TODATE"].ToString()) ? DateTime.Parse(row["TODATE"].ToString()).ToString("dd/MM/yy") : null;
                    temp.CreatedDate = DateTime.Parse(row["CREATIONDATE"].ToString());
                    temp.SignatoryId = row["AuthorizedPersonId"] == DBNull.Value ? 0 : Convert.ToInt32(row["AuthorizedPersonId"]);
                    temp.EmployeeId = row["EmployeeId"] == DBNull.Value ? 0 : Convert.ToInt32(row["EmployeeId"]);
                    temp.EmployeeNo = !string.IsNullOrEmpty(row["EMPLOYEENO"].ToString()) ? row["EMPLOYEENO"].ToString() : string.Empty;
                    temp.EmployeeName = !string.IsNullOrEmpty(row["EmployeeName"].ToString()) ? row["EmployeeName"].ToString() : string.Empty;
                    temp.Department = !string.IsNullOrEmpty(row["deptName"].ToString()) ? row["deptName"].ToString() : string.Empty;
                    temp.Designation = !string.IsNullOrEmpty(row["Designation"].ToString()) ? row["Designation"].ToString() : string.Empty;
                    temp.Organization = !string.IsNullOrEmpty(row["Organization"].ToString()) ? row["Organization"].ToString() : string.Empty;
                    temp.OrganizationTypeString = !string.IsNullOrEmpty(row["ORGANIZATIONTYPE"].ToString()) ? ((EnumLetterRequestPurpose)int.Parse(row["ORGANIZATIONTYPE"].ToString())).ToString().Replace("_", " ") : string.Empty;
                    temp.RequestDateString = DateTime.Parse(row["LETTERREQUESTDATE"].ToString()).ToString("dd/MM/yy");
                    temp.LastworkingDateString = !string.IsNullOrEmpty(row["LastWorkingDate"].ToString()) ? DateTime.Parse(row["LastWorkingDate"].ToString()).ToString("dd/MM/yy") : null;

                    oLetterRequests.Add(temp);
                }

            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(oLetterRequests[0]);
        }

        [HttpPost]
        [Route("approveLetterRequest")]
        public ActionResult ApproveLetterRequest(WFMovementTran otran)
        {
            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
            otran.FromEmployeeID = (int)currentUser.EmployeeID;

            try
            {
                _letterRequestService.ApproveLetterRequest(otran);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(true);
        }

        [HttpPost]
        [Route("rejectLetterRequest")]
        public ActionResult RejectLetterRequest(WFMovementTran otran)
        {
            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
            otran.FromEmployeeID = (int)currentUser.EmployeeID;

            try
            {
                _letterRequestService.RejectLetterRequest(otran);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(true);
        }

        [HttpPost]
        [Route("get-pdf-file")]
        public async Task<IActionResult> GetPDFFile(dynamic data)
        {
            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
            string contentType = "";
            HttpResponseMessage response = null;
            string aupPath = null;
            PayrollType payrollType = null;
            try
            {
                if (data != null)
                {
                    var tempdata = Newtonsoft.Json.JsonConvert.DeserializeObject(Convert.ToString(data));
                    LetterRequest item = new LetterRequest();
                    item = (LetterRequest)tempdata["dataItem"].ToObject<LetterRequest>();
                    Employee emp = new Employee();
                    emp = _employeeService.Get(item.EmployeeId);
                    Employee lineManager = null;
                    emp.Department = new Department();
                    emp.Designation = new Designation();
                    emp.Category = new Category();
                    emp.Grade = new Grade();
                    AuthorizedPerson aup = null;
                    List<Country> countries = new List<Country>();
                    countries = _countryService.Get();
                    if (emp.DepartmentID != null && emp.DepartmentID > 0)
                    {
                        emp.Department = _departmentService.Get((int)emp.DepartmentID);
                    }
                    if (emp.DesignationID != null && emp.DesignationID > 0)
                    {
                        emp.Designation = _designationService.Get((int)emp.DesignationID);
                    }
                    if (emp.CategoryID > 0)
                    {
                        emp.Category = _categoryService.Get(emp.CategoryID);
                    }
                    if (emp.GradeID != null && emp.GradeID > 0)
                    {
                        emp.Grade = _gradeService.Get((int)emp.GradeID);
                    }
                    if (item.CountryId != null && item.CountryId > 0)
                    {
                        item.CountryToVisit = countries.Where(x => x.ID == item.CountryId).FirstOrDefault().Name;
                    }
                    if (item.OrganizationId != null && item.OrganizationId > 0)
                    {
                        var org = new Organization();
                        org = _organizationService.Get((int)item.OrganizationId);
                        if (org != null)
                        {
                            item.Organization = org.Name;
                            if (string.IsNullOrEmpty(item.RecipeintDesignation))
                            {
                                item.RecipeintDesignation = org.RecipeintDesignation == null ? "" : org.RecipeintDesignation;
                            }
                        }
                    }

                    if (item.Purpose == EnumLetterRequestPurpose.Registration_Letter_With_Notice_Period)
                    {
                        if (emp.LineManagerID != null && emp.LineManagerID > 0)
                        {
                            lineManager = new Employee();
                            var department = new Department();
                            var designation = new Designation();
                            lineManager = _employeeService.Get((int)emp.LineManagerID);
                            emp.LineManager = lineManager != null ? lineManager.Name : string.Empty;
                            if (lineManager.DepartmentID != null && lineManager.DepartmentID > 0)
                            {
                                department = _departmentService.Get((int)lineManager.DepartmentID);
                                if (department != null)
                                    emp.LineManagerDept = department.Name;
                            }
                            if (lineManager.DesignationID != null && lineManager.DesignationID > 0)
                            {
                                designation = _designationService.Get((int)lineManager.DesignationID);
                                if (department != null)
                                    emp.LineManagerDeg = designation.Name;
                            }
                            emp.LMGender = lineManager.Gender;
                            emp.LineManagerEmail = lineManager.EmailAddress;
                        }
                    }

                    if (item.Purpose == EnumLetterRequestPurpose.Salary_Certificate)
                    {
                        if(emp.ForeignExPat== true)
                        {
                            item.Currency = "EUR";
                        }
                        else
                        {
                            item.Currency = "BDT";
                        }
                        //List<EmpLifeCycle> empLifeCycleList = _empLifeCycleService.GetEmpID(emp.ID);
                        //if (empLifeCycleList != null && empLifeCycleList.Count > 0)
                        //{
                        //    var empLifeCycle = empLifeCycleList.Where(x => x.EffectDate <= DateTime.Now)?.ToList()?.FirstOrDefault();
                        //    if (empLifeCycle != null)
                        //    {
                        //        if (empLifeCycle.GrossSalary != null)
                        //            item.GrossSalary = (double)empLifeCycle.GrossSalary;
                        //        else
                        //            item.GrossSalary = 0;
                        //    }
                        //}

                        //current gross salary
                        var empGradeSalary = _empGradeSalaryService.GetBasicOnDateBAT(emp.ID,DateTime.Now);
                        if (empGradeSalary != null)
                        {
                            double PFContribution = 0;
                            item.GrossSalary = empGradeSalary.GrossSalary;
                            if (!emp.ForeignExPat)
                            {
                                PFContribution = Math.Round((empGradeSalary.GrossSalary * 10) / 100, 2);// 10% of gross monthly (PF Contribution)
                            }
                            
                            item.PFContribution = PFContribution;
                        }
                        payrollType = this._payrollTypeService.Get((int)currentUser.PayrollTypeID);

                        DataSet oPFLoan = _salaryMonthlyService.GetPFForLetterRequest(emp.ID);
                        foreach (DataRow odRow in oPFLoan.Tables[0].Rows)
                        {
                            string temp= odRow["Description"].ToString().Replace(" ", "").ToLower();
                            if (temp == "pfloan")
                            {
                                double dbl = Convert.ToDouble(odRow["CHANGEDAMOUNT"].ToString());
                                item.PFLoanDeduction = dbl;
                            }

                        }
                        
                    }

                    if (item.SignatoryId != null && item.SignatoryId > 0)
                    {
                        aup = new AuthorizedPerson();
                        aup = _authorizedPersonService.Get((int)item.SignatoryId);
                        item.SignatoryName = aup.Name;
                        item.SignatoryFileName = aup.FileName;
                        item.SignatoryDeg = aup.Designation;
                        item.SignatoryEmail = aup.Email;
                        item.SignatoryExt = aup.Extension;
                        item.SignatoryPhone = aup.Phone;

                        if (item.IsDisgitalSinature != null && item.IsDisgitalSinature == true)
                        {

                            Stream memoryImage = new MemoryStream();
                            byte[] bytes = new byte[16 * 1024];
                            if (aup.FileName != null)
                            {
                                aupPath = System.IO.Path.Combine(System.Environment.CurrentDirectory, _letterRequestSignatureSealPath, aup.FileName);
                                System.IO.File.WriteAllBytes(aupPath, aup.Signature);
                            }

                        }
                    }

                    _templateBuilder = new BusinessTemplateBuilder();
                    _templateBuilder.templateDesktopBasePath = System.IO.Path.Combine(System.Environment.CurrentDirectory, _letterRequestfilePath);
                    string letterTemplateSignaturePath = System.IO.Path.Combine(System.Environment.CurrentDirectory, _letterRequestSignaturePath);//image path
                    _templateBuilder.logoPath = System.IO.Path.Combine(System.Environment.CurrentDirectory, _logoPath);
                    

                    DataSet dsSalary = new DataSet();
                   // dsSalary = _salaryMonthlyService.GetGrossDeduction(emp.ID, (DateTime)currentUser.NextPayProcessDate);
                    string filePathAndName = _templateBuilder.CreateLetter(item, emp, _letterfileGeneratedPath, _letterRequestTemplatePath, letterTemplateSignaturePath, ".PDF", dsSalary);
                    string filePath = string.Empty;
                    string fileName = Path.GetFileNameWithoutExtension(filePathAndName);

                    filePath = filePathAndName;

                    Stream memory = new MemoryStream();
                    byte[] buffer = new byte[16 * 1024];
                    contentType = GetFileType(filePath);
                    buffer = System.IO.File.ReadAllBytes(filePath);
                    var name = fileName;
                    if (System.IO.File.Exists(filePath))
                    {
                        System.IO.File.Delete(filePath);
                    }

                    //if(aupPath != null)
                    //{
                    //    if (System.IO.File.Exists(aupPath))
                    //    {
                    //        System.IO.File.Delete(aupPath);
                    //    }
                    //}

                    return File(buffer, contentType, name);
                }
                else
                {
                    throw new Exception("No Data found");
                }

            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }
        }

        [HttpPost]
        [Route("get-file-type")]
        [AllowAnonymous]
        [IgnoreAntiforgeryToken]
        [ProducesResponseType(StatusCodes.Status200OK)]
        public string GetFileType(string originalFileName)
        {
            //var item = Newtonsoft.Json.JsonConvert.DeserializeObject(Convert.ToString(data));
            //string fileName = (string)item["fileName"].ToObject<string>();
            string fileName = originalFileName;
            string contentType;
            new FileExtensionContentTypeProvider().TryGetContentType(fileName, out contentType);
            return contentType ?? "application/octet-stream";
        }

        [HttpPost]
        [Route("saveAuthorizedPerson")]
        public ActionResult SaveAuthorizedPerson(AuthorizedPerson ob)
        {
            try
            {
                string connectionString = _config.GetSection("dbSettings").GetSection("SqlCommandConnection").Value;
                CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);
                ob.CreatedBy = currentUser.UserID;
                ob.CreatedDate = DateTime.Today;
                ob.ModifiedBy = currentUser.UserID;
                ob.ModifiedDate = DateTime.Today;
                ob.ConnectionString = connectionString;
                if (ob.SignatureFileTobase64 != null)
                {
                    string[] items = ob.SignatureFileTobase64.Split(new char[] { ',', ' ' }, StringSplitOptions.None);
                    byte[] newBytes = Convert.FromBase64String(items[1]);
                    ob.Signature = newBytes;
                }

                _authorizedPersonService.Save(ob);
            }
            catch (Exception e)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, e.Message);
            }

            return Ok();
        }

        [Route("getAllAuthorizedPersons")]
        public ActionResult GetAllAuthorizedPersons()
        {
            List<AuthorizedPerson> oCVs = new List<AuthorizedPerson>();
            try
            {
                oCVs = _authorizedPersonService.Get();
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(oCVs);
        }

        [HttpPost]
        [Route("deleteAuthorizedPerson")]
        public ActionResult DeleteAuthorizedPerson(AuthorizedPerson item)
        {
            CurrentUser currentUser = CurrentUser.GetCurrentUser(HttpContext.User);

            try
            {
                _authorizedPersonService.Delete(item.ID);
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(true);
        }

        [Route("getImage/{authPersonId}")]
        public ActionResult getImage(int authPersonId)
        {
            object fileData = null;
            try
            {
                DataTable dtImage = new AuthorizedPersonService().GetImage(authPersonId);
                if (dtImage != null && dtImage.Rows.Count > 0)
                {
                    DataRow dRow = (DataRow)dtImage.Rows[0];
                    byte[] SignatureData = (byte[])dRow["SignatureData"];
                    fileData = Convert.ToBase64String(SignatureData);
                }
            }
            catch (Exception ex)
            {
                return StatusCode(StatusCodes.Status500InternalServerError, ex.Message);
            }

            return Ok(fileData);
        }



    }
}