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

namespace FrameworkDAL.CustomCode.ECMRights
{
    public class ECMRightsDAL : IECMRightsDAL
    {
        private readonly IQueryExecutor _queryExecutor;
        private readonly IValidation _Validation;


        public ECMRightsDAL(IQueryExecutor queryExecutor, IValidation IValidation)
        {
            _queryExecutor = queryExecutor;
            _Validation = IValidation;

        }

        /// <summary>
        /// Retrieves a single ECMRights record by its unique identifier.
        /// </summary>
        /// <param name="ECMRightsId">The ID of the ECMRights to retrieve.</param>
        /// <param name="LoginDTO">The current user's login details.</param>
        /// <returns>A JSON string representing the ECMRights details.</returns>
        public async Task<string> GetECMRights(int ECMRightsId, LoginDTO LoginDTO)
        {
            try
            {
                string sql = ECMRightsQB.GET_ECMRIGHTS;
                var parameters = new { ecmrightsid = ECMRightsId };

                var ecmRightsDict = new Dictionary<int, ECMRightsDTO>();

                var result = await _queryExecutor.QueryAsyncArray<ECMRightsDTO, ECMRightsDetailDTO, ECMRightsDTO>(
                    LoginDTO,
                    sql,
                    (parent, child) =>
                    {
                        if (!ecmRightsDict.TryGetValue(parent.ECMRightsId, out var existingParent))
                        {
                            existingParent = parent;
                            existingParent.ECMRightsDetailArray = new List<ECMRightsDetailDTO>();
                            ecmRightsDict[parent.ECMRightsId] = existingParent;
                        }

                        if (child != null && child.ECMRightsDetailId != 0)
                        {
                            existingParent.ECMRightsDetailArray.Add(child);
                        }

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

                var finalResult = ecmRightsDict.Values.FirstOrDefault();
                return JsonConvert.SerializeObject(finalResult);
            }
            catch (Exception ex)
            {
                throw new Exception($"Failed to retrieve ECMRights data: {ex.Message}", ex);
            }
        }
        /// <summary>
        /// Retrieves a paginated list of ECMRights records based on specified filter criteria.
        /// Can optionally return the total count of records instead of the list.
        /// </summary>
        /// <param name="firstNumber">The starting index of records to fetch (for pagination).</param>
        /// <param name="maxResult">The maximum number of records to fetch.</param>
        /// <param name="criteriaDTO">Filter criteria for selecting ECMRights.</param>
        /// <param name="LoginDTO">The current user's login details.</param>
        /// <param name="isCount">If true, returns the total count of matching records instead of the list.</param>
        /// <returns>A JSON string representing either the list of ECMRights records or the total count.</returns>
        public async Task<string> GetSelectListECMRights(int firstNumber, int maxResult, CriteriaDTO criteriaDTO, LoginDTO LoginDTO, bool isCount = false)
        {
            try
            {
                string json = "";

                if (!isCount)
                {
                    string sql = ECMRightsQB.GET_SELECTLIST_ECMRIGHTS;
                    var parameters = new { firstnumber = firstNumber, maxresult = maxResult };
                    List<ECMRightsPickListDTO> list = (await _queryExecutor.QueryAsync<ECMRightsPickListDTO>(LoginDTO, sql, parameters)).ToList();
                    json = JsonConvert.SerializeObject(list);
                }
                else
                {
                    int count = 0;
                    json = count.ToString();
                }

                return json;
            }
            catch (Exception)
            {
                throw;
            }
        }
        /// <summary>
        /// Inserts a new ECMRights record into the database.
        /// </summary>
        /// <param name="ECMRightsDTO">The ECMRights data to insert.</param>
        /// <param name="LoginDTO">The current user's login details.</param>
        /// <returns>The number of rows affected (should be 1 if successful).</returns>
        public async Task<int> SaveECMRights(ECMRightsDTO ECMRightsDTO, LoginDTO LoginDTO)
        {
            try
            {
                string sql = ECMRightsQB.SAVE_ECMRIGHTS;
                return await _queryExecutor.ExecuteAsync(LoginDTO, sql, ECMRightsDTO);
            }
            catch (Exception ex)
            {
                string Error = await _Validation.HandleException(ex, $"{ErrorResponse.SaveErrorMessage}");
                throw new Exception(Error);
            }
        }
        /// <summary>
        /// Updates an existing ECMRights record in the database.
        /// </summary>
        /// <param name="ECMRightsDTO">The ECMRights data to update.</param>
        /// <param name="LoginDTO">The current user's login details.</param>
        /// <returns>The number of rows affected (should be 1 if successful).</returns>
        public async Task<int> UpdateECMRights(ECMRightsDTO ECMRightsDTO, LoginDTO LoginDTO)
        {
            try
            {
                string sql = ECMRightsQB.UPDATE_ECMRIGHTS;
                return await _queryExecutor.ExecuteAsync(LoginDTO, sql, ECMRightsDTO);
            }
            catch (Exception ex)
            {
                string Error = await _Validation.HandleException(ex, $"{ErrorResponse.UpdateErrorMessage}");
                throw new Exception(Error);
            }
        }
        /// <summary>
        /// Deletes an ECMRights record by its unique identifier.
        /// </summary>
        /// <param name="ECMRightsId">The ID of the ECMRights to delete.</param>
        /// <param name="LoginDTO">The current user's login details.</param>
        /// <returns>A message string indicating success or failure of the delete operation.</returns>
        public async Task<string> DeleteECMRights(int ECMRightsId, LoginDTO LoginDTO)
        {
            try
            {
                string sql = ECMRightsQB.DELETE_ECMRIGHTS;
                var parameters = new { ecmrightsid = ECMRightsId };
                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);
            }
        }
    }
}