using MongoDB.Bson;
using MongoDB.Bson.Serialization.Attributes;

namespace QuestionsApi.Models;

public static class CreditEconomy
{
    public const int RollingEarningLimit = 20;
    public static readonly TimeSpan EarningWindow = TimeSpan.FromHours(24);
}

public sealed class CreditEvent
{
    public string OperationId { get; set; } = "";
    public DateTime CreatedUtc { get; set; }
}

public sealed class UserCreditAccount
{
    [BsonId]
    [BsonRepresentation(BsonType.ObjectId)]
    public string? Id { get; set; }
    public string UserId { get; set; } = "";
    public int Credits { get; set; }
    public List<CreditEvent> RecentEarnings { get; set; } = [];
    public DateTime UpdatedUtc { get; set; } = DateTime.UtcNow;
}

public sealed class CreditStatusResponse
{
    public int Credits { get; set; }
    public int EarnedInRollingWindow { get; set; }
    public int RemainingEarningCapacity { get; set; }
    public int RollingWindowHours { get; set; } = 24;
}