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


namespace FrameworkBLL.Action
{
    public class ActionBLL : IActionBLL
    {
        private readonly IActionDAL _ActionDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public ActionBLL(IActionDAL ActionDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _ActionDAL = ActionDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<string> GetAction(int MActionId, LoginDTO loginDTO)
        {
            try
            {
                return await _ActionDAL.GetAction(MActionId, loginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

            try
            {
                MActionDTO.MActionModifiedById = LoginDTO.UserId;
                MActionDTO.MActionModifiedOn = DateTime.UtcNow;

                int count = 1;
                if (MActionDTO.MActionId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(count, "MACTION", LoginDTO);
                    MActionDTO.MActionId = autoNumberDTO.StartNumber;
                    MActionDTO.MActionCreatedById = LoginDTO.UserId;
                    MActionDTO.MActionCreatedOn = DateTime.UtcNow;

                    await _ActionDAL.SaveAction(MActionDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {MActionDTO.MActionId}";
                }
                else
                {
                    await _ActionDAL.UpdateAction(MActionDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {MActionDTO.MActionId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && MActionDTO.MActionId > 0)
                    await _AutoNumber.RollbackAutoNumber("MACTION", MActionDTO.MActionId, LoginDTO);
                throw;
            }
        }


        public async Task<string> DeleteAction(int MActionId, LoginDTO LoginDTO)
        {
            try
            {
                return await _ActionDAL.DeleteAction(MActionId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}