using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using AdminDAL.CustomCode.Branch;
using AdminDAL.DTO.Branch;
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 AdminBLL.Branch
{
    public class BranchBLL : IBranchBLL
    {
        private readonly IBranchDAL _BranchDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public BranchBLL(IBranchDAL IBranchDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _BranchDAL = IBranchDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<string> GetBranch(int BranchId, LoginDTO LoginDTO)
        {
            try
            {
                return await _BranchDAL.GetBranch(BranchId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

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

            try
            {
                await _Validation.NotEmpty(BranchDTO.BranchCode, nameof(BranchDTO.BranchCode));
                await _Validation.NotEmpty(BranchDTO.BranchName, nameof(BranchDTO.BranchName));
                await _Validation.NotEmpty(BranchDTO.BranchShortName, nameof(BranchDTO.BranchShortName));
                BranchDTO.BranchModifiedById = LoginDTO.UserId;
                BranchDTO.BranchModifiedOn = DateTime.UtcNow;

                int count = 1;
                if (BranchDTO.BranchId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(count, "BRANCH", LoginDTO);
                    BranchDTO.BranchId = autoNumberDTO.StartNumber;
                    BranchDTO.BranchCreatedById = LoginDTO.UserId;
                    BranchDTO.BranchCreatedOn = DateTime.UtcNow;

                    await _BranchDAL.SaveBranch(BranchDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {BranchDTO.BranchId}";
                }
                else
                {
                    await _BranchDAL.UpdateBranch(BranchDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {BranchDTO.BranchId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && BranchDTO.BranchId > 0)
                    await _AutoNumber.RollbackAutoNumber("BRANCH", BranchDTO.BranchId, LoginDTO);

                throw;
            }
        }

        public async Task<string> DeleteBranch(int BranchId, LoginDTO LoginDTO)
        {
            try
            {
                return await _BranchDAL.DeleteBranch(BranchId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}