using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Ease.CoreV35;
using Ease.CoreV35.Model;
using Ease.CoreV35.Caching;
using System.Data.Linq.Mapping;
using System.Data;

namespace Payroll.BO
{
    #region Department

    [Serializable]
    public class Department : BasicBaseObject
    {
        #region Cache Store

        private static Cache _cache = new Cache(typeof(Department));

        #endregion

        #region Constructor

        #region Input validator
        public string[] InputValidator()
        {
            string[] sErrorString = new string[2];
            //if (this.Code == "")
            //{
            //    sErrorString[0] = "Code can not be empty";
            //    sErrorString[1] = "Code";
            //    return sErrorString;
            //}

            if (this.RCCode == "")
            {
                sErrorString[0] = "RC can not be empty";
                sErrorString[1] = "RCCode";
                return sErrorString;
            }

            if (this.Name == "")
            {
                sErrorString[0] = "Description can not be empty";
                sErrorString[1] = "Description";
                return sErrorString;
            }

            sErrorString = null;
            return sErrorString;
        }
        #endregion

        public Department()
        {
            _code = string.Empty;
            _rCCode = string.Empty;
            _name = string.Empty;
            _parentID = null;
            _parentsID = string.Empty;
            _tier = 1;
            _parent = null;
            _Childs = null;
            _status = EnumStatus.Active;
        }

        #endregion

        #region Properties

        #region code : string

        private string _code;
        public string Code
        {
            get { return _code; }
            set
            {
                base.OnPropertyChange<string>("code", _code, value);
                _code = value;
            }
        }

        #endregion

        #region RCCode : string

        private string _rCCode;
        public string RCCode
        {
            get { return _rCCode; }
            set
            {
                base.OnPropertyChange<string>("rccode", _rCCode, value);
                _rCCode = value;
            }
        }

        #endregion

        #region name : string

        private string _name;
        public string Name
        {
            get { return _name; }
            set
            {
                base.OnPropertyChange<string>("name", _name, value);
                _name = value;
            }
        }

        #endregion

        #region ParentID : ID

        private ID _parentID;
        public ID ParentID
        {
            get { return _parentID; }
            set
            {
                base.OnPropertyChange<ID>("ParentID", _parentID, value);
                _parentID = value;
            }
        }

        #endregion

        #region parentsID : string

        private string _parentsID;
        public string ParentsID
        {
            get { return _parentsID; }
            set
            {
                base.OnPropertyChange<string>("ParentsID", _parentsID, value);
                _parentsID = value;
            }
        }

        #endregion

        #region parent : Department

        private Department _parent;
        public Department Parent
        {
            get
            {
                if (_parent == null && !_parentID.IsUnassigned && _parentID.Integer > 0)
                {
                    _parent = Department.Get(_parentID);
                }
                return this._parent;
            }
            set
            {
                _parent = value;
            }
        }
        #endregion

        #region Childs : Department

        private ObjectsTemplate<Department> _Childs;
        public ObjectsTemplate<Department> Childs
        {
            get
            {
                if (_Childs == null && !this.ID.IsUnassigned  && this.ID.Integer > 0)
                {
                    _Childs = Department.GetChilds(this.ID);
                }
                return _Childs;
            }
            set
            {
                _Childs = value;
            }
        }

        public ObjectsTemplate<ObjectTemplate> PickerChilds
        {
            get
            {
                ObjectsTemplate<ObjectTemplate> pChilds = new ObjectsTemplate<ObjectTemplate>();
                if (_Childs == null && !this.ID.IsUnassigned && this.ID.Integer > 0)
                {
                    _Childs = Department.GetChilds(this.ID);
                    if (_Childs != null)
                    {
                        foreach(Department dpt in _Childs)
                        {
                            pChilds.Add(dpt); 
                        }
                    }
                }
                return pChilds;
            }
        }

        #endregion

        #region Tier : int

        private int _tier;
        public int Tier
        {
            get { return _tier; }
            set
            {
                base.OnPropertyChange<int>("Tier", _tier, value);
                _tier = value;
            }
        }

        #endregion

        #region Service Factory IDepartmentService : IDepartmentService

        internal static IDepartmentService Service
        {
            get { return Services.Factory.CreateService<IDepartmentService>(typeof(IDepartmentService)); }
        }

        #endregion

        #endregion

        #region Functions

        public string GetNextCode(int nteir, int ParentId)
        {
            if (nteir == 1 && ParentId == 0)
            {
                return Department.Service.GetNextCode(nteir);
            }
            else
            {
                return Department.Service.GetNextCode(nteir, GetParentCode(ParentId));
            }
        }

        public string GetParentCode(int parentId)
        { 
            return Department.Service.Get(ID.FromInteger(parentId)).Code.ToString();
        }
        public static DataSet GetForTree()
        {
            DataSet ds = null;
            try
            {
                ds = Service.GetForTree();
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }


            return ds;
        }
        public static Department Get(ID nID)
        {
            Department oDepartment = null;
            #region Cache Header
            oDepartment = (Department)_cache["Get", nID];
            if (oDepartment != null)
                return oDepartment;
            #endregion
            oDepartment = Department.Service.Get(nID);
            #region Cache Footer
            _cache.Add(oDepartment, "Get", nID);
            #endregion
            return oDepartment;
        }

        public static ObjectsTemplate<Department> GetParentLessChilds()
        {
            #region Cache Header

            ObjectsTemplate<Department> departments = _cache["GetParentLessChilds"] as ObjectsTemplate<Department>;
            if (departments != null)
                return departments;

            #endregion

            try
            {
                departments = Service.GetParentLessChilds();
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }

            #region Cache Footer

            _cache.Add(departments, "GetParentLessChilds");

            #endregion

            return departments;
        }

        public static ObjectsTemplate<Department> GetChilds(ID parentID)
        {
            #region Cache Header

            ObjectsTemplate<Department> departments = _cache["GetChilds", parentID] as ObjectsTemplate<Department>;
            if (departments != null)
                return departments;

            #endregion

            try
            {
                departments = Service.GetChield(parentID);
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }

            #region Cache Footer

            _cache.Add(departments, "GetChilds", parentID);

            #endregion

            return departments;
        }

        public static Department Get(string sCode)
        {
            Department oDepartment = null;
            #region Cache Header
            oDepartment = (Department)_cache["Get", sCode];
            if (oDepartment != null)
                return oDepartment;
            #endregion
            oDepartment = Department.Service.Get(sCode);
            #region Cache Footer
            _cache.Add(oDepartment, "Get", sCode);
            #endregion
            return oDepartment;
        }

        public static ObjectsTemplate<Department> GetByTier(int tier, int id)
        {
            #region Cache Header

            ObjectsTemplate<Department> departments = _cache["GetByTier", tier] as ObjectsTemplate<Department>;
            if (departments != null)
                return departments;

            #endregion

            try
            {
                departments = Service.GetByTier(tier, id);
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }

            #region Cache Footer

            _cache.Add(departments, "GetByTier", tier);

            #endregion

            return departments;
        }

        public static ObjectsTemplate<Department> GetByTier(int tier)
        {
            #region Cache Header

            ObjectsTemplate<Department> departments = _cache["GetByTier", tier] as ObjectsTemplate<Department>;
            if (departments != null)
                return departments;

            #endregion

            try
            {
                departments = Service.GetByTier(tier);
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }

            #region Cache Footer

            _cache.Add(departments, "GetByTier", tier);

            #endregion

            return departments;
        }

        public static ObjectsTemplate<Department> Get()
        {
            #region Cache Header

            ObjectsTemplate<Department> departments = _cache["Get"] as ObjectsTemplate<Department>;
            if (departments != null)
                return departments;

            #endregion

            try
            {
                departments = Service.Get();
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }

            #region Cache Footer

            _cache.Add(departments, "Get");

            #endregion

            return departments;
        }

        public static ObjectsTemplate<Department> GetBySalaryMonthAndRCCode(DateTime salaryMonth)
        {
            #region Cache Header

            ObjectsTemplate<Department> departments = _cache["Get"] as ObjectsTemplate<Department>;
            if (departments != null)
                return departments;

            #endregion

            try
            {
                departments = Service.GetBySalaryMonthAndRCCode(salaryMonth);
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }

            #region Cache Footer

            _cache.Add(departments, "Get");

            #endregion

            return departments;
        }


        public static ObjectsTemplate<Department> GetParents(EnumStatus status)
        {
            #region Cache Header

            ObjectsTemplate<Department> departments = _cache["GetParents",status] as ObjectsTemplate<Department>;
            if (departments != null)
                return departments;

            #endregion

            try
            {
                departments = Service.GetParents(status);
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }

            #region Cache Footer

            _cache.Add(departments, "GetParents",status);

            #endregion

            return departments;
        }

        public ID Save()
        {
            this.SetAuditTrailProperties();
            return Department.Service.Save(this);
        }

        public void Delete(ID id)
        {
            Department.Service.Delete(id);
        }

        public static DataSet GetDepartmentWiseManpower(string sParam)
        {
            DataSet ds = null;

            try
            {
                ds = Service.GetDepartmentWiseManpower(sParam);
            }
            catch (Exception e)
            {
                throw new Exception(e.Message, e);
            }

            return ds;
        }

        public static DataSet GetRCCodeBySalaryMonth(DateTime salaryMonth)
        {
            DataSet ds = null;

            try
            {
                ds = Service.GetRCCodeBySalaryMonth(salaryMonth);
            }
            catch (Exception e)
            {
                throw new Exception(e.Message, e);
            }

            return ds;
        }

        public static DataSet GetAllChilds(ID parentID)
        {
            DataSet ds = null;

            try
            {
                ds = Service.GetAllChilds(parentID);
            }
            catch (Exception e)
            {
                throw new Exception(e.Message, e);
            }

            return ds;
        }
        #endregion
    }
    #endregion

    #region IDepartment Service

    public interface IDepartmentService
    {
        Department Get(ID id);
        ObjectsTemplate<Department> Get();

        DataSet GetRCCodeBySalaryMonth(DateTime salaryMonth);
        ObjectsTemplate<Department> GetBySalaryMonthAndRCCode(DateTime salaryMonth);
        ObjectsTemplate<Department> GetChield(ID parentID);
        ObjectsTemplate<Department> GetParents(EnumStatus status);
        ObjectsTemplate<Department> GetByTier(int tier, int id);
        ObjectsTemplate<Department> GetByTier(int tier);
        ID Save(Department item);
        void Delete(ID id);
        Department Get(string sCode);
        ObjectsTemplate<Department> GetParentLessChilds();
        string GetNextCode(int tier, string parentcode);
        string GetNextCode(int nteir);
        DataSet GetForTree();

        DataSet GetAllChilds(ID parentID);

        DataSet GetDepartmentWiseManpower(string sParam);
    }

    #endregion
}