using System;

namespace Footwear_Test_methodsfor_wholeshoe_Slipresistanceperformance.Models
{
    public enum LicenseStage
    {
        FirstPeriod,
        SecondPeriod,
        Permanent
    }

    public enum LicenseCheckState
    {
        NotInitialized,
        Valid,
        Expired,
        Tampered
    }

    public sealed record PasswordSecret(string Salt, string Hash);

    public sealed record LicenseData(
        string InstallId,
        LicenseStage Stage,
        DateTime StageStartedUtc,
        DateTime LastTrustedUtc,
        int FirstPeriodMonths,
        int SecondPeriodMonths,
        PasswordSecret AdminPassword,
        PasswordSecret FirstUnlockPassword,
        PasswordSecret SecondUnlockPassword);

    public sealed record LicenseCheckResult(
        LicenseCheckState State,
        LicenseStage Stage,
        DateTime? ExpiresUtc,
        string Message)
    {
        public bool CanUseSoftware => State == LicenseCheckState.Valid;
        public bool RequiresUnlock => State == LicenseCheckState.Expired;
    }
}