using System.ComponentModel.DataAnnotations;
using GB5Shared.DTO.Framework.AutoNumber;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.Validation;
using GB5Shared.ResponseStandard;
using CMSDAL.DTO.Tag;
using CMSDAL.CustomCode.Tag;

namespace CMSBLL.Tag
{
    public class TagBLL : ITagBLL
    {
        private readonly ITagDAL _TagDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public TagBLL(ITagDAL TagDAL, AutoNumber AutoNumber, IValidation validation)
        {
            _TagDAL = TagDAL;
            _AutoNumber = AutoNumber;
            _Validation = validation;
        }

        public async Task<string> GetTag(int TagId, LoginDTO LoginDTO)
        {
            try
            {
                return await _TagDAL.GetTag(TagId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> SaveTag(TagDTO TagDTO, LoginDTO LoginDTO)
        {
            //if (TagDTO == null) throw new ArgumentNullException(nameof(TagDTO));
            //AutoNumberDTO? autoNumberDTO = null;

            try
            {
                await _Validation.NotEmpty(TagDTO.Name, nameof(TagDTO.Name));
                TagDTO.ModifiedById = LoginDTO.UserId;
                TagDTO.ModifiedOn = DateTime.UtcNow;

                int InitialId = TagDTO.TagId;
                int count = 1 + InitialId;
                if (InitialId == 0)
                {

                    //AutoNumberDTO AutoNumberDTO = await _AutoNumber.GetNumberAsync(count, "Tag", LoginDTO);
                    //TagDTO.TagId = AutoNumberDTO.StartNumber;
                    TagDTO.CreatedById = LoginDTO.UserId;
                    TagDTO.CreatedOn = DateTime.UtcNow;

                    await _TagDAL.SaveTag(TagDTO, LoginDTO);
                    return $"Details saved successfully.";
                }
                else
                {
                    await _TagDAL.UpdateTag(TagDTO, LoginDTO);
                    return "Details updated successfully.";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                //if (autoNumberDTO != null && TagDTO.TagId > 0)
                //    await _AutoNumber.RollbackAutoNumber("Tag", TagDTO.TagId, LoginDTO);

                throw;
            }
        }


        public async Task<string> GetSelectListTag(CriteriaDTO criteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _TagDAL.GetSelectListTag(criteriaDTO, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
        public async Task<string> DeleteTag(int TagId, LoginDTO LoginDTO)
        {
            try
            {
                return await _TagDAL.DeleteTag(TagId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}