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;
using Newtonsoft.Json;
using WiDAL.CustomCode.WiProcess;
using WiDAL.DTOs;

namespace WiBLL.WiProcess;

public class WiProcessBLL : IWiProcessBLL
{
    private readonly IWiProcessDAL _dal;
    private readonly AutoNumber    _autoNumber;
    private readonly IValidation   _validation;

    public WiProcessBLL(IWiProcessDAL dal, AutoNumber autoNumber, IValidation validation)
    {
        _dal        = dal;
        _autoNumber = autoNumber;
        _validation = validation;
    }

    public async Task<string> GetList(LoginDTO login, CancellationToken ct)
        => await _dal.GetList(login, ct).ConfigureAwait(false);

    public async Task<string> GetById(int wiProcessId, LoginDTO login, CancellationToken ct)
        => await _dal.GetById(wiProcessId, login, ct).ConfigureAwait(false);

    public async Task<string> Save(WiProcessDTO dto, LoginDTO login, CancellationToken ct)
    {
        if (dto == null) throw new ArgumentNullException(nameof(dto));

        AutoNumberDTO? autoNumberDTO = null;

        try
        {
            await _validation.NotEmpty(dto.WiProcessCode, nameof(dto.WiProcessCode));
            await _validation.NotEmpty(dto.WiProcessName, nameof(dto.WiProcessName));

            dto.TenantId = login.ClientId;
            dto.ModifiedById = login.UserId;

            bool isNew = dto.WiProcessId == 0;   // ✅ decide BEFORE changing ID

            if (isNew)
            {
                autoNumberDTO = await _autoNumber.GetNumberAsync(1, "WIPROCESS", login);

                dto.WiProcessId = autoNumberDTO.StartNumber; // ID changes here
                dto.CreatedById = login.UserId;
            }

            // ✅ pass isNew to DAL
            await _dal.Save(dto, isNew, login, ct);

            return isNew
                ? string.Format(SuccessResponse.SaveSuccessWithCodeAndName, dto.WiProcessCode, dto.WiProcessName)
                : string.Format(SuccessResponse.UpdateSuccessWithCodeAndName, dto.WiProcessCode, dto.WiProcessName);
        }
        catch
        {
            if (autoNumberDTO != null && dto.WiProcessId > 0)
            {
                await _autoNumber.RollbackAutoNumber("WIPROCESS", dto.WiProcessId, login);
            }

            throw;
        }
    }
    public async Task<string> GetSelectListWiProcess(CriteriaDTO criteriaDTO, LoginDTO login, CancellationToken ct)
            => await _dal.GetSelectListWiProcess(criteriaDTO, login, ct);

    public async Task<string> DeleteWiProcess(int WiProcessId, LoginDTO loginDTO)
    {
        try
        {
            return await _dal.DeleteWiProcess(WiProcessId, loginDTO);
        }
        catch (Exception)
        {
            throw;
        }
    }
}