using AdminDAL.CustomCode.CanonicalModel;
using AdminDAL.DTO.CanonicalModel;
using GB5Shared.DTO.Framework.AutoNumber;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.Resource.Response;
using GB5Shared.Validation;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AdminBLL.CanonicalModel
{
    public class CanonicalModelBLL : ICanonicalModelBLL
    {
        private readonly ICanonicalModelDAL _CanonicalModelDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public CanonicalModelBLL(
            ICanonicalModelDAL canonicalModelDAL,
            AutoNumber autoNumber,
            IValidation validation)
        {
            _CanonicalModelDAL = canonicalModelDAL;
            _AutoNumber = autoNumber;
            _Validation = validation;
        }

        #region Get By Id

        public async Task<string> GetCanonicalModel(int CanonicalModelId, LoginDTO LoginDTO)
        {
            try
            {
                return await _CanonicalModelDAL.GetCanonicalModel(CanonicalModelId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        #endregion

        #region Select List

        public async Task<string> GetSelectListCanonicalModel(
            int FirstNumber,
            int MaxResult,
            CriteriaDTO CriteriaDTO,
            LoginDTO LoginDTO)
        {
            try
            {
                return await _CanonicalModelDAL.GetSelectListCanonicalModel(
                    FirstNumber,
                    MaxResult,
                    CriteriaDTO,
                    LoginDTO);
            }
            catch (Exception ex)
            {
                throw new Exception("Error in GetSelectListCanonicalModel", ex);
            }
        }

        #endregion

        #region Save / Update

        public async Task<string> SaveCanonicalModel(
            CanonicalModelDTO CanonicalModelDTO,
            LoginDTO LoginDTO)
        {
            if (CanonicalModelDTO == null)
                throw new ArgumentNullException(nameof(CanonicalModelDTO));

            AutoNumberDTO? autoNumberDTO = null;

            try
            {
                // Modified Audit Fields
                CanonicalModelDTO.CanonicalModelModifiedById = LoginDTO.UserId;
                CanonicalModelDTO.CanonicalModelModifiedOn = DateTime.UtcNow;

                int count = 1;

                if (CanonicalModelDTO.CanonicalModelId == 0)
                {
                    // Generate AutoNumber
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(
                        count,
                        "CANONICALMODEL",
                        LoginDTO);

                    CanonicalModelDTO.CanonicalModelId = autoNumberDTO.StartNumber;

                    // Created Audit Fields
                    CanonicalModelDTO.CanonicalModelCreatedById = LoginDTO.UserId;
                    CanonicalModelDTO.CanonicalModelCreatedOn = DateTime.UtcNow;

                    await _CanonicalModelDAL.SaveCanonicalModel(
                        CanonicalModelDTO,
                        LoginDTO);

                    return $"{SuccessResponse.SaveSuccessMessage} {CanonicalModelDTO.CanonicalModelId}";
                }
                else
                {
                    await _CanonicalModelDAL.UpdateCanonicalModel(
                        CanonicalModelDTO,
                        LoginDTO);

                    return $"{SuccessResponse.UpdateSuccessMessage} {CanonicalModelDTO.CanonicalModelId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && CanonicalModelDTO.CanonicalModelId > 0)
                {
                    await _AutoNumber.RollbackAutoNumber(
                        "CANONICALMODEL",
                        CanonicalModelDTO.CanonicalModelId,
                        LoginDTO);
                }

                throw;
            }
        }

        #endregion

        #region Delete

        public async Task<string> DeleteCanonicalModel(
            int CanonicalModelId,
            LoginDTO LoginDTO)
        {
            try
            {
                return await _CanonicalModelDAL.DeleteCanonicalModel(
                    CanonicalModelId,
                    LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        #endregion
    }
}