using GB5Shared.QueryExecutor;
using FrameworkDAL.DTO.Checking;
using FrameworkDAL.Query.CheckingOption;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.Resource.Response;
using GB5Shared.ResponseStandard;
using GB5Shared.Validation;
using Newtonsoft.Json;

namespace FrameworkDAL.CustomCode.CheckingOption
{
    public class CheckingOptionDAL : ICheckingOptionDAL
    {
        private readonly IQueryExecutor _QueryExecutor;
        private readonly IValidation _Validation;

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

        public async Task<string> GetCheckingOption(int CheckingOptionId, LoginDTO loginDTO)
        {
            try
            {
                string sql = CheckingOptionQB.GET_CHECKINGOPTION;
                var parameters = new { CheckingOptionid = CheckingOptionId };

                var CheckingOptionDict = new Dictionary<int, CheckingOptionDTO>();

                var result = await _QueryExecutor.QueryAsyncArray<CheckingOptionDTO, CheckingOptionDetailDTO, CheckingOptionDTO>(
                    loginDTO,
                    sql,
                    (parent, child) =>
                    {
                        if (!CheckingOptionDict.TryGetValue(parent.CheckingOptionId, out var existingParent))
                        {
                            existingParent = parent;
                            existingParent.CheckingOptionDetailArray = new List<CheckingOptionDetailDTO>();
                            CheckingOptionDict[parent.CheckingOptionId] = existingParent;
                        }

                        if (child != null && child.CheckingOptionDetailId != 0)
                        {
                            existingParent.CheckingOptionDetailArray.Add(child);
                        }

                        return existingParent;
                    },
                    parameters,
                    splitOn: "CheckingOptionDetailId"
                );

                var finalResult = CheckingOptionDict.Values.FirstOrDefault();
                return JsonConvert.SerializeObject(finalResult);
            }
            catch (Exception ex)
            {
                throw new Exception($"Failed to retrieve CheckingOption data: {ex.Message}", ex);
            }
        }

        public async Task<int> SaveCheckingOption(CheckingOptionDTO CheckingOptionDTO, LoginDTO LoginDTO)
        {
            try
            {
                string Sql = CheckingOptionQB.SAVE_CHECKINGOPTION;
                return await _QueryExecutor.ExecuteAsync(LoginDTO, Sql, CheckingOptionDTO);
            }
            catch (Exception ex)
            {
                string userError = await _Validation.HandleException(ex, $"{ErrorResponse.SaveErrorMessage}");
                throw new Exception(userError);
            }
        }


        public async Task<int> UpdateCheckingOption(CheckingOptionDTO CheckingOptionDTO, LoginDTO LoginDTO)
        {
            try
            {
                string Sql = CheckingOptionQB.UPDATE_CHECKINGOPTION;
                return await _QueryExecutor.ExecuteAsync(LoginDTO, Sql, CheckingOptionDTO);
            }
            catch (Exception ex)
            {
                string Error = await _Validation.HandleException(ex, $"{ErrorResponse.UpdateErrorMessage}");
                throw new Exception(Error);
            }
        }

        public async Task<string> DeleteCheckingOption(int CheckingOptionId, LoginDTO LoginDTO)
        {
            try
            {
                string Sql = CheckingOptionQB.DELETE_CHECKINGOPTION;
                var Parameters = new { CheckingOptionid = CheckingOptionId };
                int result = await _QueryExecutor.ExecuteAsync(LoginDTO, Sql, Parameters);

                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);
            }
        }
    }
}