// <copyright file="JwtConfigurationExtensions.cs" company="alveus.dev">
// Copyright (c) alveus.dev. All rights reserved. Licensed under the MIT License.
// </copyright>

using Astral.Core.Options;
using TimeSpanParserUtil;

namespace Astral.Core.Extensions;

/// <summary>
/// Extensions for <see cref="JwtOptions" />.
/// </summary>
public static class JwtConfigurationExtensions
{
    /// <summary>
    /// Return when (UTC) the access token expires.
    /// </summary>
    /// <param name="configuration">Instance of <see cref="JwtOptions" />.</param>
    /// <returns>A UTC DateTime of when the expiration occurs.</returns>
    public static DateTime AccessTokenExpirationDateTime(this JwtOptions configuration)
    {
        return DateTime.UtcNow.Add(TimeSpanParser.Parse(configuration.AccessTokenExpiration));
    }

    /// <summary>
    /// Return when (UTC) the refresh token expires.
    /// </summary>
    /// <param name="configuration">Instance of <see cref="JwtOptions" />.</param>
    /// <returns>A UTC DateTime of when the expiration occurs.</returns>
    public static DateTime RefreshTokenExpirationDateTime(this JwtOptions configuration)
    {
        return DateTime.UtcNow.Add(TimeSpanParser.Parse(configuration.RefreshTokenExpiration));
    }
}