using FrameworkDAL.DTO.Taxonomy;
using FrameworkDAL.Query.Taxonomy;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.QueryExecutor;
using GB5Shared.Resource.Response;
using GB5Shared.Validation;
using Newtonsoft.Json;

namespace FrameworkDAL.CustomCode.Taxonomy
{
    public class LearningObjectDAL : ILearningObjectDAL
    {
        private readonly IQueryExecutor _QueryExecutor;
        private readonly IValidation _Validation;

        public LearningObjectDAL(IQueryExecutor queryExecutor, IValidation validation)
        {
            _QueryExecutor = queryExecutor;
            _Validation = validation;
        }

        public async Task<string> GetLearningObject(int learningObjectId, LoginDTO loginDTO)
        {
            try
            {
                var parameters = new { LearningObjectId = learningObjectId, TenantId = loginDTO.ClientId };
                var result = await _QueryExecutor.QuerySingleAsync<LearningObjectDTO>(loginDTO, LearningObjectQB.GET_LEARNINGOBJECT, parameters);
                return JsonConvert.SerializeObject(result);
            }
            catch (Exception) { throw; }
        }

        public async Task<string> GetLearningObjectBySource(int loType, int sourceEntityId, LoginDTO loginDTO)
        {
            try
            {
                var parameters = new { LoType = loType, SourceEntityId = sourceEntityId, TenantId = loginDTO.ClientId };
                var result = await _QueryExecutor.QuerySingleAsync<LearningObjectDTO>(loginDTO, LearningObjectQB.GET_LEARNINGOBJECT_BY_SOURCE, parameters);
                return JsonConvert.SerializeObject(result);
            }
            catch (Exception) { throw; }
        }

        public async Task<string> GetSelectListLearningObject(int topicId, int loType, CriteriaDTO criteriaDTO, LoginDTO loginDTO)
        {
            try
            {
                var result = await _QueryExecutor.QueryWithCriteriaAsync<LearningObjectPicklistDTO>(
                    loginDTO,
                    LearningObjectQB.GET_SELECTLIST_LEARNINGOBJECT,
                    new { TenantId = loginDTO.ClientId, TopicId = topicId, LoType = loType },
                    criteriaDTO);
                return JsonConvert.SerializeObject(result);
            }
            catch (Exception) { throw; }
        }

        public async Task<int> SaveLearningObject(LearningObjectDTO dto, LoginDTO loginDTO)
        {
            try
            {
                return await _QueryExecutor.ExecuteAsync(loginDTO, LearningObjectQB.SAVE_LEARNINGOBJECT, dto);
            }
            catch (Exception ex)
            {
                string error = await _Validation.HandleException(ex, ErrorResponse.SaveErrorMessage);
                throw new Exception(error);
            }
        }

        public async Task<int> UpdateLearningObject(LearningObjectDTO dto, LoginDTO loginDTO)
        {
            try
            {
                return await _QueryExecutor.ExecuteAsync(loginDTO, LearningObjectQB.UPDATE_LEARNINGOBJECT, dto);
            }
            catch (Exception ex)
            {
                string error = await _Validation.HandleException(ex, ErrorResponse.UpdateErrorMessage);
                throw new Exception(error);
            }
        }

        public async Task<string> DeleteLearningObject(int learningObjectId, LoginDTO loginDTO)
        {
            try
            {
                var parameters = new { LearningObjectId = learningObjectId, TenantId = loginDTO.ClientId };
                int rowsAffected = await _QueryExecutor.ExecuteAsync(loginDTO, LearningObjectQB.DELETE_LEARNINGOBJECT, parameters);
                return rowsAffected > 0 ? SuccessResponse.DeleteSuccessMessage : ErrorResponse.DeleteNotFoundMessage;
            }
            catch (Exception ex)
            {
                string error = await _Validation.HandleException(ex, ErrorResponse.DeleteErrorMessage);
                throw new Exception(error);
            }
        }
    }
}