using AdminDAL.CustomCode.Department;
using AdminDAL.DTO.Department;
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.Linq;
using System.Text;
using System.Threading.Tasks;

namespace AdminBLL.Department
{
    public class DepartmentBLL : IDepartmentBLL
    {
        private readonly IDepartmentDAL _DepartmentDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public DepartmentBLL(IDepartmentDAL DepartmentDAL, AutoNumber autoNumber, IValidation validation)
        {
            _DepartmentDAL = DepartmentDAL;
            _AutoNumber = autoNumber;
            _Validation = validation;
        }

        public async Task<string> GetDepartment(int DepartmentId, LoginDTO LoginDTO)
        {
            try
            {
                return await _DepartmentDAL.GetDepartment(DepartmentId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
        public async Task<string> GetSelectListDepartment(CriteriaDTO CriteriaDTO, LoginDTO LoginDTO)
        {
            try
            {
                return await _DepartmentDAL.GetSelectListDepartment(LoginDTO, CriteriaDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> SaveDepartment(DepartmentDTO dto, LoginDTO loginDTO)
        {
            if (dto == null) throw new ArgumentNullException(nameof(dto));
            AutoNumberDTO? autoNumberDTO = null;
            try
            {
                await _Validation.NotEmpty(dto.DepartmentCode, nameof(dto.DepartmentCode));
                await _Validation.NotEmpty(dto.DepartmentName, nameof(dto.DepartmentName));

                dto.DepartmentModifiedById = loginDTO.UserId;
                dto.DepartmentModifiedOn = DateTime.UtcNow;

                if (dto.DepartmentId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetNumberAsync(1, "DEPARTMENT", loginDTO);
                    dto.DepartmentId = autoNumberDTO.StartNumber;
                    dto.DepartmentCreatedById = loginDTO.UserId;
                    dto.DepartmentCreatedOn = DateTime.UtcNow;

                    await _DepartmentDAL.SaveDepartment(dto, loginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {dto.DepartmentId}";
                }
                else
                {
                    await _DepartmentDAL.UpdateDepartment(dto, loginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {dto.DepartmentId}";
                }
            }
            catch (Exception) { throw; }
        }

        public async Task<string> DeleteDepartment(int departmentId, LoginDTO loginDTO)
        {
            try
            {
                return await _DepartmentDAL.DeleteDepartment(departmentId, loginDTO);
            }
            catch (Exception) { throw; }
        }
    }
}