using RecruitmentDAL.DTO.JobPosition;
using RecruitmentDAL.Query.JobPosition;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.QueryExecutor;
using GB5Shared.Resource.Response;
using GB5Shared.Validation;
using Newtonsoft.Json;
using System.Data.Common;

namespace RecruitmentDAL.CustomeCode.JobPosition
{
    public class JobPositionDAL : IJobPositionDAL
    {
        private readonly IQueryExecutor _QueryExecutor;
        private readonly IValidation _Validation;

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

        #region Get

        public async Task<string> GetJobPosition(int JobPositionId, LoginDTO LoginDTO, CancellationToken ct)
        {
            string json = "";
            try
            {
                string sql = JobPositionQB.GET_JOBPosition;
                var parameters = new { jobPositionid = JobPositionId, TenantId = LoginDTO.ClientId };
                JobPositionDTO JobPositionDTOs = await _QueryExecutor
                    .QuerySingleAsync<JobPositionDTO>(LoginDTO, sql, parameters, cancellationToken: ct)
                    .ConfigureAwait(false);
                json = JsonConvert.SerializeObject(JobPositionDTOs);
                return json;
            }
            catch
            {
                throw;
            }
        }

        #endregion

        #region Select List

        public async Task<string> GetSelectListJobPosition(CriteriaDTO CriteriaDTO, LoginDTO LoginDTO, CancellationToken ct)
        {
            try
            {
                string sql = JobPositionQB.GET_SELECTLIST_JOBPosition;

                var result = await _QueryExecutor
                    .QueryAsync<JobPositionDTO>(LoginDTO, sql, new { TenantId = LoginDTO.ClientId }, cancellationToken: ct)
                    .ConfigureAwait(false);

                return JsonConvert.SerializeObject(result);
            }
            catch
            {
                throw;
            }
        }

        #endregion

        #region Save

        // Called from BaseEntityAppService.ExecuteSaveAsync's persistFunc — must run on the
        // pipeline's own transaction (tx) so validation/workflow/event-publish/outbox all commit
        // or roll back atomically with the insert.
        public async Task<int> SaveJobPosition(JobPositionDTO JobPositionDTO, LoginDTO LoginDTO, DbTransaction tx, CancellationToken ct)
        {
            try
            {
                const string sql = JobPositionQB.SAVE_JOBPosition;

                return await _QueryExecutor
                    .ExecuteAsync(LoginDTO, sql, JobPositionDTO, tx, ct)
                    .ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                string error = await _Validation
                    .HandleException(ex, ErrorResponse.SaveErrorMessage);

                throw new Exception(error);
            }
        }

        #endregion

        #region Update

        public async Task<int> UpdateJobPosition(JobPositionDTO JobPositionDTO, LoginDTO LoginDTO, DbTransaction tx, CancellationToken ct)
        {
            try
            {
                const string sql = JobPositionQB.UPDATE_JOBPosition;

                return await _QueryExecutor
                    .ExecuteAsync(LoginDTO, sql, JobPositionDTO, tx, ct)
                    .ConfigureAwait(false);
            }
            catch (Exception ex)
            {
                string error = await _Validation
                    .HandleException(ex, ErrorResponse.UpdateErrorMessage);

                throw new Exception(error);
            }
        }

        #endregion

        #region Delete

        public async Task<string> DeleteJobPosition(int JobPositionId, LoginDTO LoginDTO, CancellationToken ct)
        {
            try
            {
                string sql = JobPositionQB.DELETE_JOBPosition;
                var parameter = new { jobPositionid = JobPositionId, TenantId = LoginDTO.ClientId };

                int result = await _QueryExecutor
                    .ExecuteAsync(LoginDTO, sql, parameter, cancellationToken: ct)
                    .ConfigureAwait(false);

                return result > 0
                    ? SuccessResponse.DeleteSuccessMessage
                    : ErrorResponse.DeleteNotFoundMessage;
            }
            catch (Exception ex)
            {
                string error = await _Validation
                    .HandleException(ex, ErrorResponse.DeleteErrorMessage);

                throw new Exception(error);
            }
        }

        #endregion
    }
}