using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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 MMDAL.CustomCode.MaterialGrade;
using MMDAL.DTO.MaterialGrade;

namespace MMBLL.MaterialGrade
{
    public class MaterialGradeBLL : IMaterialGradeBLL
    {
        private readonly IMaterialGradeDAL _MaterialGradeDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public MaterialGradeBLL(IMaterialGradeDAL MaterialGradeDAL, AutoNumber AutoNumber, IValidation validation)
        {
            _MaterialGradeDAL = MaterialGradeDAL;
            _AutoNumber = AutoNumber;
            _Validation = validation;
        }

        public async Task<MaterialGradeDTO> GetMaterialGrade(int MaterialGradeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _MaterialGradeDAL.GetMaterialGrade(MaterialGradeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> SaveMaterialGrade(MaterialGradeDTO MaterialGradeDTO, LoginDTO LoginDTO)
        {
            if (MaterialGradeDTO == null) throw new ArgumentNullException(nameof(MaterialGradeDTO));
            AutoNumberDTO? autoNumberDTO = null;

            try
            {
                await _Validation.NotEmpty(MaterialGradeDTO.MaterialGradeCode, nameof(MaterialGradeDTO.MaterialGradeCode));
                await _Validation.NotEmpty(MaterialGradeDTO.MaterialGradeName, nameof(MaterialGradeDTO.MaterialGradeName));
                MaterialGradeDTO.MaterialGradeModifiedById = LoginDTO.UserId;
                MaterialGradeDTO.MaterialGradeModifiedOn = DateTime.UtcNow;

                int InitialId = MaterialGradeDTO.MaterialGradeId;
                int count = 1 + InitialId;
                if (InitialId == 0)
                {
                    AutoNumberDTO AutoNumberDTO = await _AutoNumber.GetNumberAsync(count, "MATERIALGRADE", LoginDTO);
                    MaterialGradeDTO.MaterialGradeId = AutoNumberDTO.StartNumber;
                    MaterialGradeDTO.MaterialGradeCreatedById = LoginDTO.UserId;
                    MaterialGradeDTO.MaterialGradeCreatedOn = DateTime.UtcNow;

                    await _MaterialGradeDAL.SaveMaterialGrade(MaterialGradeDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessCode} {MaterialGradeDTO.MaterialGradeCode}";
                }
                else
                {
                    await _MaterialGradeDAL.UpdateMaterialGrade(MaterialGradeDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessCode} {MaterialGradeDTO.MaterialGradeCode}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && MaterialGradeDTO.MaterialGradeId > 0)
                    await _AutoNumber.RollbackAutoNumber("MATERIALGRADE", MaterialGradeDTO.MaterialGradeId, LoginDTO);

                throw;
            }
        }


        public async Task<string> GetSelectListMaterialGrade(int FirstNumber, int MaxResult, CriteriaDTO criteriaDTO, LoginDTO loginDTO)
        {
            try
            {
                return await _MaterialGradeDAL.GetSelectListMaterialGrade(FirstNumber, MaxResult, criteriaDTO, loginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> DeleteMaterialGrade(int MaterialGradeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _MaterialGradeDAL.DeleteMaterialGrade(MaterialGradeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}