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

namespace FrameworkBLL.WebForm
{
    public class WebFormBLL : IWebFormBLL
    {
        private readonly IWebFormDAL _WebFormDAL;
        private readonly AutoNumber _AutoNumber;
        private readonly IValidation _Validation;

        public WebFormBLL(IWebFormDAL WebFormDAL, AutoNumber AutoNumber, IValidation Validation)
        {
            _WebFormDAL = WebFormDAL;
            _AutoNumber = AutoNumber;
            _Validation = Validation;
        }

        public async Task<string> GetWebForm(int WebFormId, LoginDTO LoginDTO)
        {
            try
            {
                return await _WebFormDAL.GetWebForm(WebFormId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }

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

            try
            {
                await _Validation.NotEmpty(WebFormDTO.WebFormName, nameof(WebFormDTO.WebFormName));
                WebFormDTO.WebFormModifiedById = LoginDTO.UserId;
                WebFormDTO.WebFormModifiedOn = DateTime.UtcNow;

                int count = 1;
                if (WebFormDTO.WebFormId == 0)
                {
                    autoNumberDTO = await _AutoNumber.GetAutoNumber(count, "WebForm", LoginDTO);
                    WebFormDTO.WebFormId = autoNumberDTO.StartNumber;
                    WebFormDTO.WebFormCreatedById = LoginDTO.UserId;
                    WebFormDTO.WebFormCreatedOn = DateTime.UtcNow;

                    await _WebFormDAL.SaveWebForm(WebFormDTO, LoginDTO);
                    return $"{SuccessResponse.SaveSuccessMessage} {WebFormDTO.WebFormId}";
                }
                else
                {
                    await _WebFormDAL.UpdateWebForm(WebFormDTO, LoginDTO);
                    return $"{SuccessResponse.UpdateSuccessMessage} {WebFormDTO.WebFormId}";
                }
            }
            catch (ValidationException vex)
            {
                throw new Exception(vex.Message);
            }
            catch (Exception)
            {
                if (autoNumberDTO != null && WebFormDTO.WebFormId > 0)
                    await _AutoNumber.RollbackAutoNumber("WebForm", WebFormDTO.WebFormId, LoginDTO);

                throw;
            }
        }

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

        public async Task<string> DeleteWebForm(int WebFormId, LoginDTO LoginDTO)
        {
            try
            {
                return await _WebFormDAL.DeleteWebForm(WebFormId, LoginDTO);
            }
            catch (Exception)
            {
                throw;
            }
        }
    }
}