using System;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using System.Collections;
using System.Collections.Generic;
using Ease.CoreV35.Model;
using System.Linq;
using System.Reflection;

namespace Payroll.BO
{
    public interface ISetupManager
    {
        void FillMe(ID id);
        ObjectsTemplate<SetupDetail> SetupDetails { get; set; }
        EmployeeSetupParameter ApplicableParameters(Employee Employee);
        List<EmployeeSetupParameter> ApplicableParameters(ObjectsTemplate<Employee> employees);
    }

    [Serializable]
    public class EmployeeSetupParameter //<T> where T: TermParameter
    {
        public EmployeeSetupParameter(EnumParameterSetup setup)
        {
            _employee = null;
            _parameterIDs = new List<int>();
            _setup = setup;
        }
        private Employee _employee;
        public Employee Employee
        {
            get
            {
                return _employee;
            }
            set
            {
                _employee = value;
            }
        }
        private List<int> _parameterIDs;
        public List<int> ParameterIDs
        {
            get
            {
                return _parameterIDs;
            }
            set
            {
                _parameterIDs = value;
            }
        }

        private EnumParameterSetup _setup;

        public ObjectsTemplate<T> GetParameters<T>() where T : ObjectTemplate, ISetupManager
        {
            ObjectsTemplate<T> temp = new ObjectsTemplate<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;
        }

    }

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

        public SetupManager(EnumParameterSetup setup, string configSection)
        {
            _SavedSetupdetails = new ObjectsTemplate<SetupDetail>();
            _UsedSetupdetails = new ObjectsTemplate<SetupDetail>();
            _SelectedSetupdetails = new ObjectsTemplate<SetupDetail>();
            _RemainingSetupDetails = new ObjectsTemplate<SetupDetail>();
            _ConfigSection = configSection;
            m_oReader = new ConfigReader(_ConfigSection);
            _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, ObjectsTemplate<SetupDetail> details)
        {
            List<int> parametersID = new List<int>();


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

            //ObjectsTemplate<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();
                if (setupIds != null)
                {
                    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;

            ObjectsTemplate<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, ObjectsTemplate<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(int setupID, int objectID,
            EnumParameterSetup setup, EnmSetupManagerTranType type)
        {
            SetupDetail odetail = new SetupDetail();
            ObjectsTemplate<SetupDetail> setupDetails = SetupDetail.Service.GetUsedParameters(setup, setupID, 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
            , ObjectsTemplate<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.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 ObjectsTemplate<SetupDetail> GetSetupDetails
        {
            get
            {
                return _RemainingSetupDetails;
            }
        }
        public ObjectsTemplate<SetupDetail> SelectedSetupDetails
        {
            get
            {
                _SelectedSetupdetails.Clear();
                foreach (SetupDetail detail in m_oReader.Details)
                {
                    if (detail.IsSelected)
                    {
                        _SelectedSetupdetails.Add(detail);
                    }
                }
                return _SelectedSetupdetails;
            }
        }
        public ObjectsTemplate<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;
            }
        }

    }
}