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

namespace FrameworkBLL.EntityMember
{
    public class EntityMemberBLL : IEntityMemberBLL
    {
        private readonly IEntityMemberDAL _EntityMemberDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public EntityMemberBLL(IEntityMemberDAL EntityMemberDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _EntityMemberDAL = EntityMemberDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<string> GetEntityMember(int EntityMemberId, LoginDTO LoginDTO)
        {
            try
            {
                return await _EntityMemberDAL.GetEntityMember(EntityMemberId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

            try
            {
                await _Validation.NotEmpty(EntityMemberDTO.EntityMemberMemberName, nameof(EntityMemberDTO.EntityMemberMemberName));

                int count = 1;  
                if (EntityMemberDTO.EntityMemberId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(count, "ENTITYMEMBER", LoginDTO);
                    EntityMemberDTO.EntityMemberId = autoNumberDTO.StartNumber;

                    await _EntityMemberDAL.SaveEntityMember(EntityMemberDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {EntityMemberDTO.EntityMemberId}";
                }
                else
                {
                    await _EntityMemberDAL.UpdateEntityMember(EntityMemberDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {EntityMemberDTO.EntityMemberId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && EntityMemberDTO.EntityMemberId > 0)
                    await _AutoNumber.RollbackAutoNumber("ENTITYMEMBER", EntityMemberDTO.EntityMemberId, LoginDTO);

                throw;
            }
        }


        public async Task<string> DeleteEntityMember(int EntityMemberId, LoginDTO LoginDTO)
        {
            try
            {
                return await _EntityMemberDAL.DeleteEntityMember(EntityMemberId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }


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