using System.ComponentModel.DataAnnotations;
using FrameworkDAL.CustomCode.Taxonomy;
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.CustomCode.Taxonomy;
using CMSDAL.DTO.Taxonomy;

namespace CMSBLL.Taxonomy
{
    public class TaxonomyBLL : ITaxonomyBLL
    {
        private readonly ITaxonomyDAL _TaxonomyDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public TaxonomyBLL(ITaxonomyDAL TaxonomyDAL, AutoNumber AutoNumber, IValidation validation)
        {
            _TaxonomyDAL = TaxonomyDAL;
            _AutoNumber = AutoNumber;
            _Validation = validation;
        }

        public async Task<string> GetTaxonomy(Guid TaxonomyId, LoginDTO LoginDTO)
        {
            try
            {
                return await _TaxonomyDAL.GetTaxonomy(TaxonomyId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> SaveTaxonomy(TaxonomyDTO taxonomyDTO, LoginDTO loginDTO)
        {
            if (taxonomyDTO == null)
                throw new ArgumentNullException(nameof(taxonomyDTO));

            try
            {
                await _Validation.NotEmpty(taxonomyDTO.Name, nameof(taxonomyDTO.Name));

                taxonomyDTO.ModifiedById = loginDTO.UserId;
                taxonomyDTO.ModifiedOn = DateTime.UtcNow;

                // NEW TAXONOMY
                if (taxonomyDTO.TaxonomyId == Guid.Empty)
                {
                    taxonomyDTO.TaxonomyId = Guid.NewGuid(); // OR let DB handle NEWID()
                    taxonomyDTO.CreatedById = loginDTO.UserId;
                    taxonomyDTO.CreatedOn = DateTime.UtcNow;

                    await _TaxonomyDAL.SaveTaxonomy(taxonomyDTO, loginDTO);
                    return $"Details saved successfully with Taxonomy Id {taxonomyDTO.TaxonomyId}.";
                }
                // UPDATE TAXONOMY
                else
                {
                    await _TaxonomyDAL.UpdateTaxonomy(taxonomyDTO, loginDTO);
                    return $"Details updated successfully with Taxonomy Id {taxonomyDTO.TaxonomyId}.";
                }
            }
            catch (ValidationException)
            {
                throw;
            }
            catch (Exception)
            {
                throw;
            }
        }



        public async Task<string> GetSelectListTaxonomy(CriteriaDTO criteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _TaxonomyDAL.GetSelectListTaxonomy(criteriaDTO, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
        public async Task<string> DeleteTaxonomy(Guid TaxonomyId, LoginDTO LoginDTO)
        {
            try
            {
                return await _TaxonomyDAL.DeleteTaxonomy(TaxonomyId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}