tiku-backend.net/Tiku.Application/Tenancy/TenantDomainLifecycleModels.cs

namespace Tiku.Application.Tenancy;

public sealed class DomainLifecycleOptions
{
    public bool Enabled { get; set; } = true;
    public int PollSeconds { get; set; } = 60;
    public int BatchSize { get; set; } = 50;
    public string DnsJsonEndpoint { get; set; } = "https://cloudflare-dns.com/dns-query";
    public string VerificationRecordPrefix { get; set; } = "_tiku-verification";
    public string[] AllowedCnameTargets { get; set; } = [];
    public string? GatewayBaseUrl { get; set; }
    public string? GatewayApiKey { get; set; }
}

public sealed record DomainOwnershipResult(bool Verified, bool Configured, string? FailureReason);
public sealed record DomainGatewayResult(bool TlsReady, bool Configured, string? FailureReason);

public interface IDomainOwnershipVerifier
{
    Task<DomainOwnershipResult> VerifyAsync(
        string host,
        string verificationToken,
        CancellationToken cancellationToken = default);
}

public interface IDomainGatewayProvisioner
{
    Task<DomainGatewayResult> EnsureTlsAsync(string host, CancellationToken cancellationToken = default);
}

public interface ITenantDomainLifecycleService
{
    Task<int> ProcessPendingAsync(CancellationToken cancellationToken = default);
}

public interface ITenantRuntimeCacheInvalidator
{
    Task InvalidateAsync(Guid tenantId, CancellationToken cancellationToken = default);
}