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

namespace FrameworkBLL.Taxonomy
{
    public class TopicLinkBLL : ITopicLinkBLL
    {
        private readonly ITopicLinkDAL _TopicLinkDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;
        private readonly KeyInvalidate _KeyInvalidate;

        public TopicLinkBLL(ITopicLinkDAL topicLinkDAL, AutoNumber autoNumber, IValidation validation, KeyInvalidate keyInvalidate)
        {
            _TopicLinkDAL = topicLinkDAL;
            _AutoNumber = autoNumber;
            _Validation = validation;
            _KeyInvalidate = keyInvalidate;
        }

        public async Task<string> GetTopicLinksByEntity(int entityType, int entityId, LoginDTO loginDTO)
        {
            try { return await _TopicLinkDAL.GetTopicLinksByEntity(entityType, entityId, loginDTO); }
            catch (Exception) { throw; }
        }

        public async Task<string> GetTopicLinksByTopic(int topicId, LoginDTO loginDTO)
        {
            try { return await _TopicLinkDAL.GetTopicLinksByTopic(topicId, loginDTO); }
            catch (Exception) { throw; }
        }

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

            try
            {
                await _Validation.Range(1, int.MaxValue, dto.TopicId, nameof(dto.TopicId));
                await _Validation.Range(1, int.MaxValue, dto.EntityType, nameof(dto.EntityType));
                await _Validation.Range(1, int.MaxValue, dto.EntityId, nameof(dto.EntityId));

                dto.TenantId = loginDTO.ClientId;

                if (dto.TopicLinkId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(1, "TOPICLINK", loginDTO);
                    dto.TopicLinkId = autoNumberDTO.StartNumber;
                    dto.CreatedById = loginDTO.UserId;
                    dto.CreatedOn = DateTime.UtcNow;
                    await _TopicLinkDAL.SaveTopicLink(dto, loginDTO);
                }

                var cacheKey = new CacheKeyGeneration().KeyGeneration(dto.TopicLinkId, EntityConstant.OBJECTTOPICLINK, CacheKeyLevel.CLIENT_LEVEL, loginDTO);
                await _KeyInvalidate.AllInvalidateCache(cacheKey);

                return $"{SuccessResponse.SaveSuccessMessage} {dto.TopicLinkId}";
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && dto.TopicLinkId > 0)
                    await _AutoNumber.RollbackAutoNumber("TOPICLINK", dto.TopicLinkId, loginDTO);
                throw;
            }
        }

        public async Task<string> DeleteTopicLink(int topicLinkId, LoginDTO loginDTO)
        {
            try
            {
                var result = await _TopicLinkDAL.DeleteTopicLink(topicLinkId, loginDTO);

                var cacheKey = new CacheKeyGeneration().KeyGeneration(topicLinkId, EntityConstant.OBJECTTOPICLINK, CacheKeyLevel.CLIENT_LEVEL, loginDTO);
                await _KeyInvalidate.AllInvalidateCache(cacheKey);

                return result;
            }
            catch (Exception) { throw; }
        }
    }
}