using GB5Shared.DTO.Framework.Login;
using GB5Shared.QueryExecutor;
using GB5Shared.Resource.Response;
using GB5Shared.Validation;
using Newtonsoft.Json;
using TMSDAL.DTO.AttemptResponse;
using TMSDAL.Query.AttemptResponse;

namespace TMSDAL.CustomCode.AttemptResponse
{
    public class AttemptResponseDAL : IAttemptResponseDAL
    {
        private readonly IQueryExecutor _QueryExecutor;
        private readonly IValidation _Validation;

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

        // ── GET SINGLE ────────────────────────────────────────
        public async Task<string> GetAttemptResponse(int attemptResponseId, LoginDTO loginDTO)
        {
            try
            {
                var result = await _QueryExecutor.QuerySingleAsync<AttemptResponseDTO>(
                    loginDTO,
                    AttemptResponseQB.GET_ATTEMPTRESPONSE,
                    new { AttemptResponseId = attemptResponseId });
                return JsonConvert.SerializeObject(result);
            }
            catch (Exception) { throw; }
        }

        // ── GET LIST BY ATTEMPT ───────────────────────────────
        public async Task<string> GetAttemptResponseList(int assessmentAttemptId, LoginDTO loginDTO)
        {
            try
            {
                var result = await _QueryExecutor.QueryAsync<AttemptResponseDTO>(
                    loginDTO,
                    AttemptResponseQB.GET_ATTEMPTRESPONSE_LIST,
                    new { AssessmentAttemptId = assessmentAttemptId });
                return JsonConvert.SerializeObject(result);
            }
            catch (Exception) { throw; }
        }

        // ── SAVE ──────────────────────────────────────────────
        public async Task<int> SaveAttemptResponse(AttemptResponseDTO dto, LoginDTO loginDTO)
        {
            try
            {
                return await _QueryExecutor.ExecuteAsync(
                    loginDTO, AttemptResponseQB.SAVE_ATTEMPTRESPONSE, dto);
            }
            catch (Exception ex)
            {
                string error = await _Validation.HandleException(ex, ErrorResponse.SaveErrorMessage);
                throw new Exception(error);
            }
        }

        // ── UPDATE (Evaluator) ────────────────────────────────
        public async Task<int> UpdateAttemptResponse(AttemptResponseDTO dto, LoginDTO loginDTO)
        {
            try
            {
                return await _QueryExecutor.ExecuteAsync(
                    loginDTO, AttemptResponseQB.UPDATE_ATTEMPTRESPONSE, dto);
            }
            catch (Exception ex)
            {
                string error = await _Validation.HandleException(ex, ErrorResponse.UpdateErrorMessage);
                throw new Exception(error);
            }
        }

        // ── UPDATE BY QUESTION (Auto-evaluation on Submit) ───
        public async Task<int> UpdateAttemptResponseByQuestion(AttemptResponseDTO dto, LoginDTO loginDTO)
        {
            try
            {
                return await _QueryExecutor.ExecuteAsync(
                    loginDTO, AttemptResponseQB.UPDATE_ATTEMPTRESPONSE_BY_QUESTION, dto);
            }
            catch (Exception ex)
            {
                string error = await _Validation.HandleException(ex, ErrorResponse.UpdateErrorMessage);
                throw new Exception(error);
            }
        }

        // ── UPSERT BY QUESTION (Submit flow — INSERT or UPDATE) ─
        public async Task<int> UpsertAttemptResponseByQuestion(AttemptResponseDTO dto, LoginDTO loginDTO)
        {
            try
            {
                return await _QueryExecutor.ExecuteAsync(
                    loginDTO, AttemptResponseQB.UPSERT_ATTEMPTRESPONSE_BY_QUESTION, dto);
            }
            catch (Exception ex)
            {
                string error = await _Validation.HandleException(ex, ErrorResponse.SaveErrorMessage);
                throw new Exception(error);
            }
        }

        // ── DELETE BY ATTEMPT ─────────────────────────────────
        public async Task<int> DeleteAttemptResponsesByAttempt(int assessmentAttemptId, LoginDTO loginDTO)
        {
            try
            {
                return await _QueryExecutor.ExecuteAsync(loginDTO,
                    AttemptResponseQB.DELETE_ATTEMPTRESPONSES_BY_ATTEMPT,
                    new { AssessmentAttemptId = assessmentAttemptId });
            }
            catch (Exception ex)
            {
                string error = await _Validation.HandleException(ex, ErrorResponse.DeleteErrorMessage);
                throw new Exception(error);
            }
        }
    }
}