using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.QueryExecutor;
using GB5Shared.Resource.Response;
using GB5Shared.Validation;
using MMDAL.DTO.Standard;
using MMDAL.Query.Standard;
using Newtonsoft.Json;

namespace MMDAL.CustomCode.Standard
{
    public class StandardDAL : IStandardDAL
    {
        private readonly IQueryExecutor _QueryExecutor;
        private readonly IValidation _Validation;

        public StandardDAL(IQueryExecutor QueryExecutor, IValidation Validation)
        {
            _QueryExecutor = QueryExecutor;
            _Validation = Validation;
        }

        public async Task<StandardDTO> GetStandard(int StandardId, LoginDTO LoginDTO)
        {
            try
            {
                string sql = StandardQB.GET_STANDARD;
                var parameters = new { standardid = StandardId };
                StandardDTO StandardDTOs = await _QueryExecutor.QuerySingleAsync<StandardDTO>(LoginDTO, sql, parameters);
                return StandardDTOs;
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> GetSelectListStandard(int FirstNumber, int MaxResult, CriteriaDTO CriteriaDTO, LoginDTO LoginDTO, bool IsCount = false)
        {
            try
            {
                string Json = "";
                if (IsCount == false)
                {
                    string SQL = StandardQB.GET_SELECTLIST_STANDARD;
                    var parameter = new { firstnumber = FirstNumber, maxresult = MaxResult };
                    var Result = await _QueryExecutor.QueryAsync<StandardPickListDTO>(LoginDTO, SQL, parameter);
                    Json = JsonConvert.SerializeObject(Result);
                }
                else
                {
                    int Count = 0;
                    Json = Count.ToString();
                }
                return Json;
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<int> SaveStandard(StandardDTO StandardDTO, LoginDTO LoginDTO)
        {
            try
            {
                const string Sql = StandardQB.SAVE_STANDARD;
                return await _QueryExecutor.ExecuteAsync(LoginDTO, Sql, StandardDTO);
            }
            catch (Exception ex)
            {
                string Error = await _Validation.HandleException(ex, $"{ErrorResponse.SaveErrorMessage}");
                throw new Exception(Error);
            }
        }

        public async Task<int> UpdateStandard(StandardDTO StandardDTO, LoginDTO LoginDTO)
        {
            try
            {
                const string Sql = StandardQB.UPDATE_STANDARD;
                return await _QueryExecutor.ExecuteAsync(LoginDTO, Sql, StandardDTO);
            }
            catch (Exception ex)
            {
                string Error = await _Validation.HandleException(ex, $"{ErrorResponse.UpdateErrorMessage}");
                throw new Exception(Error);
            }
        }



        public async Task<string> DeleteStandard(int StandardId, LoginDTO LoginDTO)
        {
            try
            {
                string Sql = StandardQB.DELETE_STANDARD;
                var parameter = new { standardid = StandardId };
                var result = await _QueryExecutor.ExecuteAsync(LoginDTO, Sql, parameter);

                if (result > 0)
                {
                    return $"{SuccessResponse.DeleteSuccessMessage}";
                }
                else
                {
                    return $"{ErrorResponse.DeleteNotFoundMessage}";
                }
            }
            catch (Exception ex)
            {
                string Error = await _Validation.HandleException(ex, $"{ErrorResponse.DeleteErrorMessage}");
                throw new Exception(Error);
            }
        }
    }
}