using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.QueryExecutor;
using GB5Shared.Resource.GB5Solution;
using GB5Shared.Resource.Response;
using GB5Shared.ResponseStandard;
using GB5Shared.Validation;
using MMDAL.DTO.Shift;
using MMDAL.Query.Shift;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace MMDAL.CustomCode.Shift
{
    public class ShiftDAL : IShiftDAL
    {
        private readonly IQueryExecutor _QueryExecutor;
        private readonly IValidation _Validation;

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

        public async Task<string> GetShift(int ShiftId, LoginDTO LoginDTO)
        {
            try
            {
                string Sql = ShiftQB.GET_SHIFT;
                var parameters = new { ShiftId = ShiftId };
                ShiftDTO shiftDTO = await _QueryExecutor.QuerySingleAsync<ShiftDTO>(LoginDTO, Sql, parameters);
                return JsonConvert.SerializeObject(shiftDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }


        public async Task<string> GetSelectListShift(CriteriaDTO CriteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                string sql = ShiftQB.GET_SELECTLIST_SHIFT;

                string code = GetCriteriaStringValue(CriteriaDTO, "Code", "");
                string name = GetCriteriaStringValue(CriteriaDTO, "Name", "");
                string description = GetCriteriaStringValue(CriteriaDTO, "Description", "");

                var parameters = new
                {
                    code = code,
                    name = name,
                    description = description
                };

                IEnumerable<ShiftPicklistDTO> result = await _QueryExecutor.QueryAsync<ShiftPicklistDTO>(LoginDTO, sql, parameters);
                return JsonConvert.SerializeObject(result);
            }
            catch (Exception ex)
            {
                throw new Exception(MMResource.SelectListFailed, ex);
            }
        }

        private string GetCriteriaStringValue(CriteriaDTO criteriaDTO, string fieldName, string defaultValue)
        {
            try
            {
                var attr = criteriaDTO?.SectionCriteriaList?
                    .SelectMany(s => s.AttributesCriteriaList)
                    .FirstOrDefault(a => a.FieldName == fieldName);

                if (attr?.FieldValue is System.Text.Json.JsonElement je)
                    return je.ValueKind == System.Text.Json.JsonValueKind.String
                           ? je.GetString() ?? defaultValue
                           : defaultValue;

                return attr != null ? Convert.ToString(attr.FieldValue) ?? defaultValue : defaultValue;
            }
            catch { return defaultValue; }
        }

        //public async Task<string> GetSelectListShift(CriteriaDTO CriteriaDTO, LoginDTO LoginDTO)
        //{
        //    try
        //    {
        //        string sql = ShiftQB.GET_SELECTLIST_SHIFT;
        //        var parameters = new { };

        //        IEnumerable<ShiftPicklistDTO> result = await _QueryExecutor.QueryAsync<ShiftPicklistDTO>(LoginDTO, sql, parameters);
        //        string json = JsonConvert.SerializeObject(result);

        //        return json;
        //    }
        //    catch (Exception ex)
        //    {
        //        throw new Exception(MMResource.SelectListFailed, ex);
        //    }
        //}


        public async Task<int> SaveShift(ShiftDTO ShiftDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _QueryExecutor.ExecuteAsync(
                    LoginDTO,
                    ShiftQB.SAVE_SHIFT,
                    ShiftDTO
                );
            }
            catch (Exception ex)
            {
                string error = await _Validation.HandleException(ex, $"{ErrorResponse.SaveErrorMessage}");
                throw new Exception(error);
            }
        }

        public async Task<int> UpdateShift(ShiftDTO ShiftDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _QueryExecutor.ExecuteAsync(
                    LoginDTO,
                    ShiftQB.UPDATE_SHIFT,
                    ShiftDTO
                );
            }
            catch (Exception ex)
            {
                string error = await _Validation.HandleException(ex, $"{ErrorResponse.UpdateErrorMessage}");
                throw new Exception(error);
            }
        }

        public async Task<string> DeleteShift(int ShiftId, LoginDTO LoginDTO)
        {
            try
            {
                string Sql = ShiftQB.DELETE_SHIFT;
                var parameters = new { ShiftId = ShiftId };
                int result = await _QueryExecutor.ExecuteAsync(LoginDTO, Sql, parameters);

                if (result > 0)
                {
                    return MMResource.DeletedSuccessfully;
                }
                else
                {
                    return MMResource.NotFoundToDelete;
                }
            }
            catch (Exception ex)
            {
                throw new Exception(MMResource.DeleteFailed, ex);
            }
        }
    }
}