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

namespace TMSBLL.Quiz
{
    public class QuizSectionBLL : IQuizSectionBLL
    {
        private readonly IQuizSectionDAL _QuizSectionDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;
        private readonly KeyInvalidate _KeyInvalidate;

        public QuizSectionBLL(IQuizSectionDAL quizSectionDAL, AutoNumber autoNumber, IValidation validation, KeyInvalidate keyInvalidate)
        {
            _QuizSectionDAL = quizSectionDAL;
            _AutoNumber = autoNumber;
            _Validation = validation;
            _KeyInvalidate = keyInvalidate;
        }

        public async Task<string> GetQuizSection(int quizSectionId, LoginDTO loginDTO)
        {
            try { return await _QuizSectionDAL.GetQuizSection(quizSectionId, loginDTO); }
            catch (Exception) { throw; }
        }

        public async Task<string> GetQuizSectionList(int quizId, LoginDTO loginDTO)
        {
            try { return await _QuizSectionDAL.GetQuizSectionList(quizId, loginDTO); }
            catch (Exception) { throw; }
        }

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

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

                string message;
                if (dto.QuizSectionId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(1, "QUIZSECTION", loginDTO);
                    dto.QuizSectionId = autoNumberDTO.StartNumber;
                    await _QuizSectionDAL.SaveQuizSection(dto, loginDTO);
                    message = $"{SuccessResponse.SaveSuccessMessage} {dto.QuizSectionId}";
                }
                else
                {
                    await _QuizSectionDAL.UpdateQuizSection(dto, loginDTO);
                    message = $"{SuccessResponse.UpdateSuccessMessage} {dto.QuizSectionId}";
                }

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

                return message;
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && dto.QuizSectionId > 0)
                    await _AutoNumber.RollbackAutoNumber("QUIZSECTION", dto.QuizSectionId, loginDTO);
                throw;
            }
        }

        public async Task<string> DeleteQuizSection(int quizSectionId, LoginDTO loginDTO)
        {
            try { return await _QuizSectionDAL.DeleteQuizSection(quizSectionId, loginDTO); }
            catch (Exception) { throw; }
        }

        public async Task<string> GetQuestionsForQuizSection(int quizSectionId, LoginDTO loginDTO)
        {
            try { return await _QuizSectionDAL.GetQuestionsForQuizSection(quizSectionId, loginDTO); }
            catch (Exception) { throw; }
        }
    }
}