using QRRapidoApp.Models;

namespace QRRapidoApp.Services
{
    public record RateLimitResult(
        bool Allowed,
        int PerMinuteLimit,
        int PerMinuteUsed,
        long ResetUnixTimestamp,
        int MonthlyLimit,
        int MonthlyUsed,
        bool MonthlyExceeded
    );

    public interface IApiRateLimitService
    {
        /// <summary>
        /// Checks the rate limit for the given API key prefix and plan tier.
        /// Increments the counter only if the request is allowed.
        /// </summary>
        Task<RateLimitResult> CheckAndIncrementAsync(string keyPrefix, ApiPlanTier tier);
    }
}