using Ease.Core.Model;

using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;

namespace HRM.BO
{
    //public interface ISetupManager
    //{
    //    void FillMe(ID id);
    //    List<SetupDetail> SetupDetails { get; set; }
    //    EmployeeSetupParameter ApplicableParameters(Employee Employee);
    //    List<EmployeeSetupParameter>  ApplicableParameters(List<Employee> employees);
    //}
    public class EmployeeSetupParameter //<T> where T: TermParameter        
    {
        public EmployeeSetupParameter(EnumParameterSetup setup)
        {
            Employee = null;
            //_parameterIDs = new List<int>();
            //_setup = setup;
        }
        //public Employeeshort Employee { get; set; }
        public List<int> ParameterIDs { get; set; }
        public Employee Employee { get; set; }
        private EnumParameterSetup _setup;

        //public List<T> GetParameters<T>() where T : ObjectTemplate, ISetupManager            
        //{
        //    List<T> temp = new List<T>();
        //    foreach (int i in _parameterIDs)
        //    {
        //        ConstructorInfo cInfo = typeof(T).GetConstructor(new Type[] { });
        //        T obj = (T)cInfo.Invoke(null);
        //        obj.FillMe(ID.FromInteger(i));
        //        temp.Add(obj);
        //    }
        //    return temp;
        //}

    }
    public class SetupManager
    {
        private string _ConfigSection = string.Empty;
        private ConfigReader m_oReader = null;
        private string m_sStatus = string.Empty;
        private  List<SetupDetail> _SelectedSetupdetails = null;
        private  List<SetupDetail> _SavedSetupdetails = null;
        private List<SetupDetail> _UsedSetupdetails = null;
        private List<SetupDetail> _RemainingSetupDetails = null;
        private EnumParameterSetup _setupparameter;
        public SetupManager()
        {
            _SavedSetupdetails = new List<SetupDetail>();
            _UsedSetupdetails = new List<SetupDetail>();
            _SelectedSetupdetails = new List<SetupDetail>();
            _RemainingSetupDetails = new List<SetupDetail>();
            m_oReader = null;
            _ConfigSection = string.Empty;
            _setupparameter = EnumParameterSetup.None;
        }

        public SetupManager(EnumParameterSetup setup, string configSection)
        {
            _SavedSetupdetails = new List<SetupDetail>();
            _UsedSetupdetails = new List<SetupDetail>();
            _SelectedSetupdetails = new List<SetupDetail>();
            _RemainingSetupDetails = new List<SetupDetail>();
            _ConfigSection = configSection;
            //m_oReader = new ConfigReader(_ConfigSection);  //this needs to be called in bl
            _setupparameter = setup;
        }

        //public void SetParameter(EnumParameterSetup setup, string configSection, ID setupID, ID objectID)
        //{
        //    _ConfigSection = configSection;
        //    _setupparameter = setup;
        //    _UsedSetupdetails = SetupDetail.GetUsedParameters(_setupparameter, objectID.Integer);

        //    if (setupID.IsUnassigned == false)
        //    {
        //        _SavedSetupdetails = SetupDetail.GetUsedParameters(_setupparameter, setupID.Integer, objectID.Integer);
        //        foreach (SetupDetail item in _SavedSetupdetails)
        //        {
        //            int index = SetupDetail.GetIndex(m_oReader.Details, item.TranID.Integer, item.TranType);
        //            if (index > -1)
        //            {
        //                m_oReader.Details[index].IsSelected = true;
        //                _RemainingSetupDetails.Add(m_oReader.Details[index]);
        //            }
        //            else throw new ServiceException("root item not found to saved item");
        //        }
        //    }

        //    bool found = false;
        //    foreach (SetupDetail detail in m_oReader.Details)
        //    {
        //        found = false;
        //        foreach (SetupDetail udetail in _UsedSetupdetails)
        //        {
        //            if (udetail.TranType == detail.TranType && udetail.TranID.Integer == detail.TranID.Integer)
        //            {
        //                found = true;
        //                break;
        //            }
        //        }
        //        if (!found) _RemainingSetupDetails.Add(detail);
        //    }
        //}
        //public static List<int> ApplicableParametersForReport(Employee oEmp, List<EnmSetupManagerTranType> setupTypes, List<SetupDetail> details)
        //{
        //    List<int> parametersID = new List<int>();
        //    if (setupTypes == null) return parametersID;

        //    foreach (EnmSetupManagerTranType type in setupTypes)
        //    {
        //        ID nTranID = SetupDetail.GetTranID(oEmp, type);
        //        if (nTranID == null) continue;
        //        if (nTranID.IsUnassigned == true) continue;

        //        var setupIds = (from detail in details
        //                        where detail.TranType == type
        //                        && detail.TranID == nTranID
        //                        select detail.SetupID).Distinct();
        //        foreach (var id in setupIds)
        //            parametersID.Add(id.Integer);
        //    }
        //    return parametersID;
        //}
        //public static List<int> ApplicableParameters(Employee oEmp, EnumParameterSetup setup)
        //{
        //    List<int> parametersID = new List<int>();


        //    List<EnmSetupManagerTranType> setupTypes = SetupDetail.GetTypes(setup);
        //    if (setupTypes == null) return parametersID;

        //    List<SetupDetail> details = SetupDetail.GetParameters(setup);

        //    foreach (EnmSetupManagerTranType type in setupTypes)
        //    {
        //        ID nTranID = SetupDetail.GetTranID(oEmp, type);
        //        if (nTranID== null) continue;
        //        if(nTranID.IsUnassigned==true )continue;

        //        var setupIds = (from detail in details
        //                        where detail.TranType == type
        //                        && detail.TranID == nTranID
        //                        select detail.SetupID).Distinct();
        //        foreach (var id in setupIds)
        //            parametersID.Add(id.Integer);
        //    }
        //    return parametersID;
        //}

        //public static List<int> ApplicableParameters2(Employee oEmp, EnumParameterSetup setup, List<EnmSetupManagerTranType> setupTypes, List<SetupDetail> details)
        //{
        //    List<int> parametersID = new List<int>();        
        //    if (setupTypes == null) return parametersID;



        //    foreach (EnmSetupManagerTranType type in setupTypes)
        //    {
        //        ID nTranID = SetupDetail.GetTranID(oEmp, type);
        //        if (nTranID == null) continue;
        //        if (nTranID.IsUnassigned == true) continue;

        //        var setupIds = (from detail in details
        //                        where detail.TranType == type
        //                        && detail.TranID == nTranID
        //                        select detail.SetupID).Distinct();
        //        foreach (var id in setupIds)
        //            parametersID.Add(id.Integer);
        //    }
        //    return parametersID;
        //}
        //public List<int> GetObjectID(string setupIDs, int objectID, 
        //    EnumParameterSetup setup, EnmSetupManagerTranType type) 
        //{
        //    SetupDetail odetail = new SetupDetail();
        //    List<SetupDetail> setupDetails = SetupDetail.Service.GetUsedParameters(setup, setupIDs, objectID);
        //    List<int> temp = new List<int>();
        //    foreach (SetupDetail item in setupDetails)
        //    {
        //        temp.Add(item.TranID.Integer);
        //    }
        //    return temp;
        //}

        public static List<int> ApplicableParameters(Employee oEmp,
            EnumParameterSetup setup, List<EnmSetupManagerTranType> setupTypes
            , List<SetupDetail> details)
        {
            List<int> parametersID = new List<int>();

            if (setupTypes == null) return parametersID;
            foreach (EnmSetupManagerTranType type in setupTypes)
            {
                int nTranID = SetupDetail.GetTranID(oEmp, type);
                if (nTranID == 0) continue;

                var setupIds = (from detail in details
                                where detail.TranType == type
                                && detail.TranID == nTranID
                                select detail.SetupID).Distinct();
                if (setupIds != null)
                {
                    foreach (var id in setupIds)
                        parametersID.Add(id);
                }
            }
            return parametersID;
        }


        public  List<SetupDetail> GetSetupDetails
        {
            get
            {
                return _RemainingSetupDetails;
            }
        }
        public  List<SetupDetail> SelectedSetupDetails
        {
            get
            {
                _SelectedSetupdetails.Clear();
                foreach (SetupDetail detail in m_oReader.Details)
                {
                    if (detail.IsSelected)
                    {
                        _SelectedSetupdetails.Add(detail);
                    }
                }
                return _SelectedSetupdetails;
            }
        }
        public  List<SetupDetail> SavedSetupDetails
        {
            get
            {
                return _SavedSetupdetails;
            }
        }
        public EnumParameterSetup SetupFor
        {
            get
            {
                return _setupparameter ;
            }
        }
        public bool IsSelected
        {
            get
            {
                bool found;
                m_sStatus = "OK";
                foreach (EnmSetupManagerTranType type in m_oReader.EnumTypes)
                {
                    found = false;
                    foreach (SetupDetail detail in m_oReader.Details)
                    {
                        if (detail.TranType == type && detail.IsSelected == true)
                        {
                            found = true;
                            break;
                        }
                    }
                    if (!found)
                    {
                        m_sStatus = "No " + type.ToString() + " is selected.";
                        return found;
                    }
                }
                return true;
            }
        }
        public string StatusMessage
        {
            get
            {
                return m_sStatus;
            }
        }
        public int TotalTypes
        {
            get
            {
                return m_oReader.TotalTypes;
            }
        }
        public List<string> GetTypes
        {
            get
            {
                return m_oReader.Types;
            }
        }
    }
}