using FrameworkDAL.CustomCode.ProgramType;
using FrameworkDAL.DTO.Project;
using GB5Shared.DTO.Framework.AutoNumber;
using GB5Shared.DTO.Framework.Criteria;
using GB5Shared.DTO.Framework.Login;
using GB5Shared.GenerateAutoNumber;
using GB5Shared.Resource.Response;
using GB5Shared.ResponseStandard;
using GB5Shared.Validation;
using System;
using System.ComponentModel.DataAnnotations;
using System.Threading.Tasks;

namespace FrameworkBLL.ProgramType
{
    public class ProgramTypeBLL : IProgramTypeBLL
    {
        private readonly IProgramTypeDAL _ProgramTypeDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public ProgramTypeBLL(IProgramTypeDAL ProgramTypeDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _ProgramTypeDAL = ProgramTypeDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<string> GetProgramType(int ProgramTypeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _ProgramTypeDAL.GetProgramType(ProgramTypeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

            try
            {
                await _Validation.NotEmpty(dto.ProgramTypeCode, nameof(dto.ProgramTypeCode));
                await _Validation.NotEmpty(dto.ProgramTypeName, nameof(dto.ProgramTypeName));
                dto.ProgramTypeModifiedById = LoginDTO.UserId;
                dto.ProgramTypeModifiedOn = DateTime.UtcNow;

                int count = 1;
                if (dto.ProgramTypeId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(count, "PROGRAMTYPE", LoginDTO);
                    dto.ProgramTypeId = autoNumberDTO.StartNumber;
                    dto.ProgramTypeCreatedById = LoginDTO.UserId;
                    dto.ProgramTypeCreatedOn = DateTime.UtcNow;

                    await _ProgramTypeDAL.SaveProgramType(dto, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {dto.ProgramTypeId}";
                }
                else
                {
                    await _ProgramTypeDAL.UpdateProgramType(dto, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {dto.ProgramTypeId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && dto.ProgramTypeId > 0)
                    await _AutoNumber.RollbackAutoNumber("PROGRAMTYPE", dto.ProgramTypeId, LoginDTO);

                throw;
            }
        }

        public async Task<string> DeleteProgramType(int ProgramTypeId, LoginDTO LoginDTO)
        {
            try
            {
                return await _ProgramTypeDAL.DeleteProgramType(ProgramTypeId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> GetSelectListProgramType(CriteriaDTO criteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _ProgramTypeDAL.GetSelectListProgramType(criteriaDTO, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}