using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using FrameworkDAL.CustomCode.AssetAssignment;
using FrameworkDAL.DTO.AssetAssignment;
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;

namespace FrameworkBLL.AssetAssignment
{
    public class AssetAssignmentBLL : IAssetAssignmentBLL
    {
        private readonly IAssetAssignmentDAL _AssetAssignmentDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;



        public AssetAssignmentBLL(IAssetAssignmentDAL AssetAssignmentDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _AssetAssignmentDAL = AssetAssignmentDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<AssetAssignmentDTO> GetAssetAssignment(int AssetAssignmentId, LoginDTO loginDTO)
        {
            try
            {
                return await _AssetAssignmentDAL.GetAssetAssignment(AssetAssignmentId, loginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

        public async Task<string> SaveAssetAssignment(AssetAssignmentDTO AssetAssignmentDTO, LoginDTO LoginDTO)
        {
            if (AssetAssignmentDTO == null) throw new ArgumentNullException(nameof(AssetAssignmentDTO));
            AutoNumberDTO? autoNumberDTO = null;
            try
            {
                await _Validation.NotEmpty(AssetAssignmentDTO.AssignmentName, nameof(AssetAssignmentDTO.AssignmentName));
                AssetAssignmentDTO.ModifiedById = LoginDTO.UserId;
                AssetAssignmentDTO.ModifiedOn = DateTime.UtcNow;

                int Initial_Id;
                Initial_Id = AssetAssignmentDTO.AssetAssignmentId;
                if (Initial_Id == 0)
                {
                    AutoNumberDTO AutoNumberDTO = await _AutoNumber.GetNumberAsync(1, "MASSETASSIGNMENT", LoginDTO);
                    AssetAssignmentDTO.AssetAssignmentId = AutoNumberDTO.StartNumber;
                    AssetAssignmentDTO.CreatedById = LoginDTO.UserId;
                    AssetAssignmentDTO.CreatedOn = DateTime.UtcNow;

                    await _AssetAssignmentDAL.SaveAssetAssignment(AssetAssignmentDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {AssetAssignmentDTO.AssetAssignmentId}";
                }
                else
                {
                    await _AssetAssignmentDAL.UpdateAssetAssignment(AssetAssignmentDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {AssetAssignmentDTO.AssetAssignmentId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && AssetAssignmentDTO.AssetAssignmentId > 0)
                    await _AutoNumber.RollbackAutoNumber("MASSETASSIGNMENT", AssetAssignmentDTO.AssetAssignmentId, LoginDTO);

                throw;
            }
        }



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

        public async Task<string> DeleteAssetAssignment(int AssetAssignmentId, LoginDTO LoginDTO)
        {
            try
            {
                return await _AssetAssignmentDAL.DeleteAssetAssignment(AssetAssignmentId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

    }
}