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

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

        #endregion

        #region Constructor

        public Skill()
        {       
            _code = string.Empty;
            _name = string.Empty;
            _parentID = null;
            _value = string.Empty;
            _tier = 1;
        }

        #endregion

        #region Properties

        #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.Name == "")
            {
                sErrorString[0] = "Name can not be empty";
                sErrorString[1] = "Name";
                return sErrorString;
            }

            sErrorString = null;
            return sErrorString;
        }
        #endregion

        #region Code : string

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

        protected string _value;
        public string Value
        {
            get { return _value; }
            set { _value = value; }
        }

        #endregion

        #region Tier : int

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

        #endregion

        private ObjectsTemplate<Skill> _Childs;
        public ObjectsTemplate<Skill> Childs
        {
            get
            {
                if (_Childs == null && !this.ID.IsUnassigned && this.ID.Integer > 0)
                {
                    _Childs = Skill.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 = Skill.GetChilds(this.ID);
                    if (_Childs != null)
                    {
                        foreach (Skill oItem in _Childs)
                        {
                            pChilds.Add(oItem);
                        }
                    }
                }
                return pChilds;
            }
        }


        #region Service Factory ISkillService : ISkillService

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

        #endregion

        #endregion

        #region Functions

        public ID Save()
        {
             try
            {
                 if(this.IsNew)
                 {
                     if (IsExists(this.Code))
                     {
                         throw new ServiceException("Code already exists");
                     }
                 
                 }
                base.SetAuditTrailProperties();
                return Skill.Service.Save(this);
            }

             catch (ServiceException e)
             {
                 throw new ServiceException(e.Message, e);
             } 
        }

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

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

        public static ObjectsTemplate<Skill> Get()
        {
            #region Cache Header
            ObjectsTemplate<Skill> oSkill = _cache["Get"] as ObjectsTemplate<Skill>;
            if (oSkill != null)
                return oSkill;
            #endregion
            try
            {
                oSkill = Service.Get();
            }
            catch (ServiceException e)
            {
                throw new Exception(e.Message, e);
            }
            #region Cache Footer
            _cache.Add(oSkill, "Get");
            #endregion
            return oSkill;
        }

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

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

            #endregion

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

            #region Cache Footer

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

            #endregion

            return skills;
        }

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

            ObjectsTemplate<Skill> skills = _cache["GetChilds"] as ObjectsTemplate<Skill>;
            if (skills != null)
                return skills;

            #endregion

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

            #region Cache Footer

            _cache.Add(skills, "GetChilds");

            #endregion

            return skills;
        }

        private bool IsExists(string Code)
        {
            try
            {
                bool isExists = false;
                if (this.Code != null && this.Value.ToUpper() != Code.ToUpper())
                {
                    isExists = Skill.Service.IsExists(Code);
                }
                return isExists;
            }
            catch (ServiceException e)
            {
                throw new ServiceException(e.Message, e);
            }
        }


        #endregion
    }
    #endregion

    #region ISkill Service

    public interface ISkillService
    {
        ID Save(Skill item);
        void Delete(ID id);
        Skill Get(ID id);
        ObjectsTemplate<Skill> Get();
        ObjectsTemplate<Skill> GetParents(EnumStatus status);
        ObjectsTemplate<Skill> GetChilds(ID parentID);
        bool IsExists(string Code);

    }

    #endregion

}