using HRM.BO;
using Ease.Core.DataAccess;
using Ease.Core.Model;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;

namespace HRM.DA
{
    #region SearchEmployeeDA

    internal class SearchEmployeeDA
    {
        #region Constructor
        public const string fndSQL = @"
IF OBJECT_ID('tempdb..#tmpEmpSrc') IS NOT NULL
    DROP TABLE #tmpEmpSrc %q

UPDATE
#tmpEmpSrc
SET
    #tmpEmpSrc.GradeName = RAN.DESCRIPTION
FROM
#tmpEmpSrc SI
INNER JOIN
    grades RAN
ON
    SI.gradeid = RAN.GRADEID;


        UPDATE
#tmpEmpSrc
SET
    #tmpEmpSrc.DepartmentName = RAN.DESCRIPTION
FROM
#tmpEmpSrc SI
INNER JOIN
    DEPARTMENT RAN
ON
    SI.departmentid = RAN.DEPARTMENTID;
;

UPDATE
#tmpEmpSrc
SET
    #tmpEmpSrc.DesignationName = RAN.NAME
FROM
#tmpEmpSrc SI
INNER JOIN
    DESIGNATION RAN
ON
    SI.DESIGNATIONID = RAN.DESIGNATIONID;


";
        public const string fnddataPermissionSQL = @"
IF EXISTS
(
    SELECT*
    FROM DataPermission
    WHERE userid = %n and PayrollTypeID = %n and PermissionType=1
)
    BEGIN
        delete from #tmpEmpSrc where categoryid not in ( select referenceid from DataPermission where UserID =%n and PayrollTypeID =%n and PermissionType=1);
END;
IF EXISTS
(
    SELECT*
    FROM DataPermission
    WHERE userid = %n and PayrollTypeID = %n and PermissionType=2
)
    BEGIN
        delete from #tmpEmpSrc where GRADEID not in ( select referenceid from DataPermission where UserID =%n and PayrollTypeID =%n and PermissionType=2);
END;

IF EXISTS
(
    SELECT*
    FROM DataPermission
    WHERE userid = %n and PayrollTypeID = %n and PermissionType=3
)
    BEGIN
			IF OBJECT_ID('tempdb..#TEMPDOC') IS NOT NULL DROP TABLE #TEMPDOC
		;WITH
              cteReports(departmentid)

              AS
              (
                SELECT departmentid FROM DEPARTMENT

                WHERE DEPARTMENTID in (select referenceid from DataPermission where UserID = %n and PayrollTypeID = %n and PermissionType = 3)

                UNION ALL

                SELECT e.departmentid FROM DEPARTMENT e
                  INNER JOIN cteReports r ON e.PARENTID = r.departmentid
              ) SELECT* INTO #TEMPDOC FROM cteReports 


        delete from #tmpEmpSrc where Departmentid  NOT in (SELECT * FROM #TEMPDOC);
END;


IF EXISTS
(
    SELECT*
    FROM DataPermission
    WHERE userid = %n and PayrollTypeID = %n and PermissionType=4
)
    BEGIN

        IF OBJECT_ID('tempdb..#tmpLOC') IS NOT NULL
                DROP TABLE #tmpLOC
		
			--	delete from #tmpEmpSrc where locationid  NOT in (
				; WITH
                   cteReports(locationid)

                  AS
                  (
                    SELECT locationid FROM location

                    WHERE LOCATIONid in (select referenceid from DataPermission where UserID = %n and PayrollTypeID = %n and PermissionType = 4)

                    UNION ALL

                    SELECT e.locationid FROM location e
                      INNER JOIN cteReports r ON e.PARENTID = r.locationid
                  ) SELECT* INTO #tmpLOC  FROM cteReports 
				  

                delete from #tmpEmpSrc where locationid  NOT in ( SELECT *FROM #tmpLOC);
				DROP TABLE #tmpLOC;
END;";

        public const string fnddropTempSQL = @"

	select* from  #tmpEmpSrc order by employeeNo;
	DROP TABLE #tmpEmpSrc;

";
        private SearchEmployeeDA()
        {
        }

        #endregion

        #region Get Function


        internal static IDataReader Search(TransactionContext tc, string sql, bool  withName)
        {
            if (withName == true)
            {
                string qry = SQLParser.MakeSQL(SearchEmployeeDA.fndSQL + SearchEmployeeDA.fnddropTempSQL, sql);
                return tc.ExecuteReader(qry);
            }
            else return tc.ExecuteReader(@"%q" , sql);
           
        }
        internal static IDataReader Search(TransactionContext tc, string sql, int userid, int payrolltypeid)
        {
            string qry = SQLParser.MakeSQL(SearchEmployeeDA.fndSQL + SearchEmployeeDA.fnddataPermissionSQL + SearchEmployeeDA.fnddropTempSQL, sql,
                userid, payrolltypeid,userid, payrolltypeid, userid, payrolltypeid, userid, payrolltypeid,
                userid, payrolltypeid, userid, payrolltypeid, userid, payrolltypeid, userid, payrolltypeid);
            //return tc.ExecuteReader(@"%q" +
            //    "", sql, userid, payrolltypeid, userid, payrolltypeid, userid, payrolltypeid, userid, payrolltypeid, userid, payrolltypeid);
            return tc.ExecuteReader(qry);
        }

        internal static IDataReader get(TransactionContext tc, int empid)
        {
            return tc.ExecuteReader(@"Select EmployeeID, EmployeeNo, Name, categoryID, GradeID, 
            LocationID, DepartmentID From Employee  where employeeid=%n", empid);
        }

        internal static IDataReader FindCordinator(TransactionContext tc, int? id, int? payrollTypeID)
        {
                    return tc.ExecuteReader(@"SELECT E.EmployeeID, E.LocationID, E.CategoryID, E.DesignationID, E.DepartmentID, D.DESCRIPTION AS DepartmentName, E.GradeID, G.DESCRIPTION AS GradeName , E.EmployeeNo, E.Name,
                                            E.Emailaddress, DS.NAME AS DesignationName
                                            FROM Employee E JOIN employeecordinator EC 
                                            ON E.EMPLOYEEID = EC.EmployeeID
                                            JOIN DEPARTMENT D ON D.DEPARTMENTID = E.DepartmentID
                                            JOIN GRADES G ON G.GRADEID = E.GRADEID
                                            JOIN DESIGNATION DS ON DS.DESIGNATIONID = E.DESIGNATIONID 
                                            WHERE EC.CordinatorID = %n AND E.PAYROLLTYPEID = 1
                                            ", id);
        }

        internal static IDataReader GetEmployeeNotYetUser(TransactionContext tc, int payrollTypeid)
        {
            return tc.ExecuteReader(@"Select EmployeeID, EmployeeNo, Name, categoryID, GradeID, 
            LocationID, DepartmentID From Employee e 
            where e.EmployeeNo not IN (Select LoginID from Users where Usertype=%n) and e.payrolltypeid=%n",
                EnumUserType.Employee, payrollTypeid);
        }

        internal static IDataReader GetTeam(TransactionContext tc, int employeeid)
        {
            return tc.ExecuteReader(@"Select EmployeeID, EmployeeNo, Name, categoryID, GradeID, 
            LocationID, DepartmentID From Employee 
            where linemanagerid =%n", employeeid);
        }
        internal static IDataReader GetByEmpIDIn(TransactionContext tc, string empid)
        {
            return tc.ExecuteReader(@"Select e.EmployeeID, e.EmployeeNo, e.Name, e.categoryID, e.GradeID, 
            e.LocationID, e.DepartmentID, e.DesignationID, dep.Description as DepartmentName, des.Name as DesignationName From Employee e, Department dep, Designation des 
            where e.EmployeeID IN (%q) and dep.DepartmentID = e.DepartmentID and des.DesignationID = e.DesignationID ", empid);
        }
        internal static IDataReader GetTeam(TransactionContext tc, int employeeid, EnumStatus enumStatus)
        {
            return tc.ExecuteReader(@"Select EmployeeID, EmployeeNo, e.Name, e.categoryID, e.GradeID, 
            LocationID, d.name as DesignationName, g.DESCRIPTION GradeName, dept.DESCRIPTION DepartmentName From Employee e 
            left join designation d on d.DESIGNATIONID = e.DESIGNATIONID
            LEFT JOIN DEPARTMENT dept ON dept.DEPARTMENTID = e.DEPARTMENTID
            LEFT JOIN GRADES g ON g.GRADEID = e.GRADEID
            where e.linemanagerid = %n and e.status = %n", employeeid, (int)enumStatus);
        }
        internal static IDataReader GetTeamForAttenReguApprove(TransactionContext tc, int employeeid, EnumStatus enumStatus)
        {
            return tc.ExecuteReader(@"SELECT DISTINCT e.EmployeeID, EmployeeNo, e.Name, e.categoryID, e.GradeID, 
                        LocationID, d.name as DesignationName, g.DESCRIPTION GradeName, dept.DESCRIPTION DepartmentName From Employee e 
                        left join designation d on d.DESIGNATIONID = e.DESIGNATIONID
                        LEFT JOIN DEPARTMENT dept ON dept.DEPARTMENTID = e.DEPARTMENTID
                        LEFT JOIN GRADES g ON g.GRADEID = e.GRADEID
                        LEFT JOIN DAILYATTNPROCESS dap ON dap.EMPLOYEEID = e.EMPLOYEEID
                        WHERE dap.WFStatus = 1 AND e.linemanagerid =%n and e.status = %n", employeeid, (int)enumStatus);
        }
        internal static IDataReader Search(TransactionContext tc, int payrollTypeID, string code, string name)
        {
            string orderby = "name";
            string sqlClause = "";
            sqlClause = SQLParser.TagSQL(sqlClause) + SQLParser.MakeSQL("PayrollTypeID =%n AND Status = %n", payrollTypeID, EnumStatus.Active);
            if (code != string.Empty)
            {
                sqlClause = SQLParser.TagSQL(sqlClause) + SQLParser.MakeSQL("EmployeeNo LIKE %s", ("%" + code + "%"));
                orderby = "EmployeeNo";
            }

            if (name != string.Empty)
                sqlClause = SQLParser.TagSQL(sqlClause) + SQLParser.MakeSQL("Name LIKE %s", ("%" + name + "%"));

            return tc.ExecuteReader(
                "Select EmployeeID, EmployeeNo, Name, categoryID, GradeID, LocationID, designationid, DepartmentID From Employee  %q Order by %s",
                sqlClause, orderby);
        }

        #endregion
    }

    #endregion
}