using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using FrameworkDAL.CustomCode.EventType;
using FrameworkDAL.DTO.EventType;
using GB5Shared.DTO.Framework.AutoNumber;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.Resource.Response;
using GB5Shared.ResponseStandard;
using GB5Shared.Validation;

namespace FrameworkBLL.EventType
{
    public class EventTypeBLL : IEventTypeBLL
    {
        private readonly IEventTypeDAL _EventTypeDAL;
        private readonly AutoNumber _autoNumber;
        private readonly IValidation _Validation;

        public EventTypeBLL(IEventTypeDAL EventTypeDAL, AutoNumber autoNumber,IValidation Validation)
        {
            _EventTypeDAL = EventTypeDAL;
            _autoNumber = autoNumber;
            _Validation = Validation;
        }

        public async Task<string> GetEventType(int EventTypeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _EventTypeDAL.GetEventType(EventTypeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> SaveEventType(EventTypeDTO EventTypeDTO, LoginDTO LoginDTO)
        {
            if (EventTypeDTO == null) throw new ArgumentNullException(nameof(EventTypeDTO));

            try
            {
                await _Validation.NotEmpty(EventTypeDTO.EventTypeCode, nameof(EventTypeDTO.EventTypeCode));
                await _Validation.NotEmpty(EventTypeDTO.EventTypeName, nameof(EventTypeDTO.EventTypeName));
                EventTypeDTO.EventTypeModifiedById = LoginDTO.UserId;
                EventTypeDTO.EventTypeModifiedOn = DateTime.UtcNow;

                int initialId = EventTypeDTO.EventTypeId;
                int count = 1 + initialId;
                if (initialId == 0)
                {
                    AutoNumberDTO AutoNumberDTO = await _autoNumber.GetNumberAsync(count, "EVENTTYPE", LoginDTO);
                    EventTypeDTO.EventTypeId = AutoNumberDTO.StartNumber;
                    EventTypeDTO.EventTypeCreatedById = LoginDTO.UserId;
                    EventTypeDTO.EventTypeCreatedOn = DateTime.UtcNow;

                    await _EventTypeDAL.SaveEventType(EventTypeDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {EventTypeDTO.EventTypeId}";
                }
                else
                {
                    await _EventTypeDAL.UpdateEventType(EventTypeDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {EventTypeDTO.EventTypeId}";
                }
            }
            catch (Exception)
            {
                throw;
            }
        } 

        public async Task<string> GetSelectListEventType(CriteriaDTO criteriaDTO, LoginDTO loginDTO)
        {
            try
            {
                return await _EventTypeDAL.GetSelectListEventType(criteriaDTO, loginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> GetSelectListDetailEventType(int FirstNumber, int MaxResult, CriteriaDTO CriteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _EventTypeDAL.GetSelectListDetailEventType(FirstNumber, MaxResult, CriteriaDTO, LoginDTO);
            }
            catch (Exception ex)
            {
                throw new Exception("Error in GetSelectListDetailEventType", ex);
            }
        }

        public async Task<string> DeleteEventType(int EventTypeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _EventTypeDAL.DeleteEventType(EventTypeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

    }
}