using Galaeth.Core.Configuration;
using TimeSpanParserUtil;

namespace Galaeth.Core.Extensions;

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