FlowAPI.Application/Interfaces/IAchievementService.cs

using FlowAPI.Application.DTOs;
using System;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace FlowAPI.Application.Interfaces
{
    public interface IAchievementService
    {
        Task<IEnumerable<UserAchievementDto>> GetUserAchievementsAsync(Guid userId);
        Task SeedAchievementsAsync();
        Task ProcessEventAsync(Guid userId, string eventName, int amount = 1);
    }
}