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

namespace HRM.DA
{
    public class CategoryService : ServiceTemplate, ICategoryService
    {
        public CategoryService()
        {
        }

        private void MapObject(Category oCategory, DataReader oReader)
        {
            base.SetObjectID(oCategory, oReader.GetInt32("CategoryID").Value);
            oCategory.Code = oReader.GetString("code");
            oCategory.Name = oReader.GetString("description");
            oCategory.Sequence = oReader.GetInt32("SequenceNo").Value;
            oCategory.Status = (EnumStatus)oReader.GetInt32("Status").Value;
            oCategory.WagesType = oReader.GetInt32("WagesType") == null ? null : (EnumWagesType)oReader.GetInt32("WagesType").Value;
            oCategory.CreatedBy = oReader.GetInt32("CreatedBy", 0);
            oCategory.CreatedDate = oReader.GetDateTime("CreationDate").Value;
            oCategory.ModifiedBy = oReader.GetInt32("ModifiedBy", 0);
            oCategory.ModifiedDate = oReader.GetDateTime("ModifiedDate");
            oCategory.PayrollTypeID = oReader.GetInt32("PayrollTypeID", 0);
            oCategory.NameInBangla = oReader.GetString("descriptioninbangla", true, null);
            this.SetObjectState(oCategory, Ease.Core.ObjectState.Saved);
        }

        protected override T CreateObject<T>(DataReader oReader)
        {
            Category oCategory = new Category();
            MapObject(oCategory, oReader);
            return oCategory as T;
        }

        #region Service implementation

        public string GetNextCode()
        {
            TransactionContext tc = null;
            string _code = "";
            try
            {
                tc = TransactionContext.Begin();
                //#### _code = GlobalFunctionService.GetMaxCode(tc, "category", "codeautogenerate", "Category", "Code");
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }

            return _code;
        }


        public Category Get(int id)
        {
            Category oCategory = new Category();

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                DataReader oreader = new DataReader(CategoryDA.Get(tc, id));
                if (oreader.Read())
                {
                    oCategory = this.CreateObject<Category>(oreader);
                }

                oreader.Close();
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }

            return oCategory;
        }

        public Category Get(TransactionContext tc, int id)
        {
            Category oCategory = null;

            try
            {
                DataReader oreader = new DataReader(CategoryDA.Get(tc, id));
                if (oreader.Read())
                {
                    oCategory = this.CreateObject<Category>(oreader);
                }

                oreader.Close();
            }
            catch (Exception e)
            {
                #region Handle Exception

                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }

            return oCategory;
        }

        public List<Category> GetByPayrollTypeID(int payrollTypeID)
        {
            List<Category> categorys = new List<Category>();
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();

                DataReader dr = new DataReader(CategoryDA.Get(tc, payrollTypeID));
                categorys = this.CreateObjects<Category>(dr);
                dr.Close();

                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);

                throw new ServiceException(e.Message, e);

                #endregion
            }


            return categorys;
        }

        public List<Category> GetAll()
        {
            List<Category> categorys = new List<Category>();

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();

                DataReader dr = new DataReader(CategoryDA.GetAll(tc));
                categorys = this.CreateObjects<Category>(dr);
                dr.Close();

                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);

                throw new ServiceException(e.Message, e);

                #endregion
            }


            return categorys;
        }

        public List<Category> Get(EnumStatus status, int payrollTypeID)
        {
            List<Category> categorys = new List<Category>();

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();

                DataReader dr = new DataReader(CategoryDA.Get(tc, status, payrollTypeID));
                categorys = this.CreateObjects<Category>(dr);
                dr.Close();

                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);

                throw new ServiceException(e.Message, e);

                #endregion
            }


            return categorys;
        }

        public List<Category> Get(EnumWagesType wageType, EnumStatus status, int payrollTypeID)
        {
            List<Category> categorys = new List<Category>();
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();

                DataReader dr = new DataReader(CategoryDA.Get(tc, wageType, status, payrollTypeID));
                categorys = this.CreateObjects<Category>(dr);
                dr.Close();

                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);

                throw new ServiceException(e.Message, e);

                #endregion
            }


            return categorys;
        }

        public int Save(Category oCategory)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                int codeLength = 3;
                if (oCategory.IsNew)
                {
                    int id = tc.GenerateID("Category", "CategoryID");
                    base.SetObjectID(oCategory, id);

                    int seqNo = tc.GenerateID("Category", "SequenceNo");
                    oCategory.Sequence = seqNo;
                    if (oCategory.Code == "")
                        oCategory.Code = oCategory.ID.ToString();
                    CategoryDA.Insert(tc, oCategory);
                }
                else
                {
                    CategoryDA.Update(tc, oCategory);
                }

                tc.End();
                return oCategory.ID;
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }
        }


        public void Delete(int id)
        {
            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin(true);
                CategoryDA.Delete(tc, id);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }
        }

        public DataSet GetAgeRange(int fromyear, int toyear)
        {
            DataSet oAgeRanges = new DataSet();

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();
                oAgeRanges = CategoryDA.GetAgeRange(tc, fromyear, toyear);
                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }

            return oAgeRanges;
        }

        #endregion

        //For excel Upload
        public static void SaveForUpload(TransactionContext tc, List<Category> categories, List<Category> saveItems)
        {
            try
            {
                foreach (Category oCategory in categories)
                {
                    
                    if (saveItems.FindIndex(x => x.ID == oCategory.ID) <0)
                    {
                        
                        int seqNo = tc.GenerateID("Category", "SequenceNo");
                        oCategory.Sequence = seqNo;
                        if(oCategory.Code == string.Empty)
                        oCategory.Code = GlobalFunctionService.GetMaxCode(tc,  "Category", "Code");
                        oCategory.CreatedBy = oCategory.CreatedBy;
                        oCategory.CreatedDate = DateTime.Now;
                        CategoryDA.Insert(tc, oCategory);
                    }
                    //else
                    //{
                    //    oCategory.ModifiedBy = oCategory.ModifiedBy;
                    //    oCategory.ModifiedDate = DateTime.Now;
                    //    CategoryDA.Update(tc, oCategory);
                    //}
                }
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }
        }

        public int GetMaxID()
        {
            TransactionContext tc = null;

            try
            {
                tc = TransactionContext.Begin();
                return tc.GenerateID("Category", "CategoryID") - 1;
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);
                throw new ServiceException(e.Message, e);

                #endregion
            }
            finally
            {
                if (tc != null)
                {
                    tc.End();
                }
            }
        }



        public List<Category> GetAllCategory(int payrollTypeID, EnumStatus status, string code, string name)
        {
            List<Category> categories = new List<Category>();

            TransactionContext tc = null;
            try
            {
                tc = TransactionContext.Begin();

                DataReader dr = new DataReader(CategoryDA.GetAllCategory(tc, payrollTypeID, status, code, name));
                categories = this.CreateObjects<Category>(dr);
                dr.Close();

                tc.End();
            }
            catch (Exception e)
            {
                #region Handle Exception

                if (tc != null)
                    tc.HandleError();
                ExceptionLog.Write(e);

                throw new ServiceException(e.Message, e);

                #endregion
            }

            return categories;
        }
    }
}