namespace TakeoutSaaS.Module.Identity.Abstractions;

/// <summary>
/// 微信登录服务抽象（code2Session）
/// </summary>
public interface IWeChatAuthService
{
    /// <summary>
    /// 使用小程序登录 code 换取 openid/unionid/session_key
    /// </summary>
    Task<WeChatSessionInfo> Code2SessionAsync(string code, CancellationToken cancellationToken = default);
}

/// <summary>
/// 微信会话信息
/// </summary>
public sealed class WeChatSessionInfo
{
    public string OpenId { get; init; } = string.Empty;
    public string? UnionId { get; init; }
    public string SessionKey { get; init; } = string.Empty;
}