using GB5Shared.DaprCache;
using GB5Shared.DTO.Framework.AutoNumber;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.Resource.Response;
using GB5Shared.Validation;
using System.ComponentModel.DataAnnotations;
using TMSDAL.CustomCode.ExternalVendor;
using TMSDAL.DTO.ExternalVendor;
using static GB5Shared.GB5Constant.Constant;

namespace TMSBLL.ExternalVendor
{
    public class ExternalVendorBLL : IExternalVendorBLL
    {
        private readonly IExternalVendorDAL _ExternalVendorDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;
        private readonly KeyInvalidate _KeyInvalidate;

        public ExternalVendorBLL(IExternalVendorDAL externalVendorDAL, AutoNumber autoNumber, IValidation validation, KeyInvalidate keyInvalidate)
        {
            _ExternalVendorDAL = externalVendorDAL;
            _AutoNumber = autoNumber;
            _Validation = validation;
            _KeyInvalidate = keyInvalidate;
        }

        public async Task<string> GetExternalVendor(int externalVendorId, LoginDTO loginDTO)
        {
            try { return await _ExternalVendorDAL.GetExternalVendor(externalVendorId, loginDTO); }
            catch (Exception) { throw; }
        }

        public async Task<string> GetSelectList(CriteriaDTO criteriaDTO, LoginDTO login, CancellationToken ct)
            => await _ExternalVendorDAL.GetSelectList(criteriaDTO, login, ct);

        public async Task<string> SaveExternalVendor(SaveExternalVendorDTO dto, LoginDTO loginDTO)
        {
            if (dto == null) throw new ArgumentNullException(nameof(dto));
            AutoNumberDTO? autoNumberDTO = null;

            try
            {
                await _Validation.NotEmpty(dto.VendorCode, nameof(dto.VendorCode));
                await _Validation.NotEmpty(dto.VendorName, nameof(dto.VendorName));

                dto.TenantId = loginDTO.ClientId;
                dto.ModifiedById = loginDTO.UserId;
                dto.ModifiedOn = DateTime.UtcNow;

                string message;
                if (dto.ExternalVendorId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(1, "EXTERNALVENDOR", loginDTO);
                    dto.ExternalVendorId = autoNumberDTO.StartNumber;
                    dto.CreatedById = loginDTO.UserId;
                    dto.CreatedOn = DateTime.UtcNow;

                    await _ExternalVendorDAL.SaveExternalVendor(dto, loginDTO);
                    message = string.Format(SuccessResponse.SaveSuccessWithCodeAndName, dto.VendorCode, dto.VendorName);
                }
                else
                {
                    await _ExternalVendorDAL.UpdateExternalVendor(dto, loginDTO);
                    message = string.Format(SuccessResponse.UpdateSuccessWithCodeAndName, dto.VendorCode, dto.VendorName);
                }

                var cacheKey = new CacheKeyGeneration().KeyGeneration(dto.ExternalVendorId, EntityConstant.OBJECTEXTERNALVENDOR, CacheKeyLevel.CLIENT_LEVEL, loginDTO);
                await _KeyInvalidate.AllInvalidateCache(cacheKey);
                return message;
            }
            catch (ValidationException vex) { throw new Exception(vex.Message); }
            catch (Exception)
            {
                if (autoNumberDTO != null && dto.ExternalVendorId > 0)
                    await _AutoNumber.RollbackAutoNumber("EXTERNALVENDOR", dto.ExternalVendorId, loginDTO);
                throw;
            }
        }

        public async Task<string> DeleteExternalVendor(int externalVendorId, LoginDTO loginDTO)
        {
            try
            {
                var result = await _ExternalVendorDAL.DeleteExternalVendor(externalVendorId, loginDTO);
                var cacheKey = new CacheKeyGeneration().KeyGeneration(externalVendorId, EntityConstant.OBJECTEXTERNALVENDOR, CacheKeyLevel.CLIENT_LEVEL, loginDTO);
                await _KeyInvalidate.AllInvalidateCache(cacheKey);
                return result;
            }
            catch (Exception) { throw; }
        }

        public async Task<string> GetSelectListExternalVendor(LoginDTO loginDTO)
        {
            try { return await _ExternalVendorDAL.GetSelectListExternalVendor(loginDTO); }
            catch (Exception) { throw; }
        }
    }
}