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 CourseDAL : ICourseDAL
    {
        private readonly IQueryExecutor _QueryExecutor;
        private readonly IValidation _Validation;

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

        public async Task<string> GetCourse(int courseId, LoginDTO loginDTO)
        {
            try
            {
                var parameters = new { CourseId = courseId, TenantId = loginDTO.ClientId };
                var result = await _QueryExecutor.QuerySingleAsync<CourseDTO>(loginDTO, CourseQB.GET_COURSE, parameters);
                return JsonConvert.SerializeObject(result);
            }
            catch (Exception) { throw; }
        }

        public async Task<string> GetSelectListCourse(CriteriaDTO criteriaDTO, LoginDTO loginDTO)
        {
            try
            {
                var result = await _QueryExecutor.QueryWithCriteriaAsync<CoursePicklistDTO>(
                    loginDTO,
                    CourseQB.GET_SELECTLIST_COURSE,
                    new { TenantId = loginDTO.ClientId },
                    criteriaDTO);
                return JsonConvert.SerializeObject(result);
            }
            catch (Exception) { throw; }
        }

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

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

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