using Big.Application;
using Big.Domain;

namespace Acceptance.Support;

/// <summary>An in-memory Workflow Client for the domain acceptance scenario: it records which
/// registration a process was started for and returns a fixed instance id. The acceptance test
/// drives the use case without a running Flowable (live verification is the verify-domain check).</summary>
public sealed class InMemoryWorkflowClient : IWorkflowClient
{
    public const string StartedProcessInstanceId = "proc-acc-1";

    public RegistrationId? StartedFor { get; private set; }

    public Task<string> StartRegistrationProcessAsync(RegistrationId registrationId, CancellationToken ct = default)
    {
        StartedFor = registrationId;
        return Task.FromResult(StartedProcessInstanceId);
    }
}

/// <summary>An in-memory ACL stand-in: records the bsn it opened a zaak for and returns a fixed URL,
/// so the scenario verifies the domain crosses the ACL boundary (§8.1) without a running OpenZaak.</summary>
public sealed class InMemoryAclClient : IAclClient
{
    public static readonly Uri OpenedZaakUrl = new("http://openzaak/zaken/api/v1/zaken/acc-zaak");

    public string? OpenedForBsn { get; private set; }
    public string? OpenedWithReference { get; private set; }
    public Uri? ApprovedZaakUrl { get; private set; }

    public Task<Uri> OpenZaakAsync(string bsn, string reference, CancellationToken ct = default)
    {
        OpenedForBsn = bsn;
        OpenedWithReference = reference;
        return Task.FromResult(OpenedZaakUrl);
    }

    public Task ApproveZaakAsync(Uri zaakUrl, CancellationToken ct = default)
    {
        ApprovedZaakUrl = zaakUrl;
        return Task.CompletedTask;
    }
}

/// <summary>An in-memory registration store for the domain acceptance scenario.</summary>
public sealed class InMemoryRegistrationStore : IRegistrationStore
{
    private readonly Dictionary<RegistrationId, Registration> _byId = [];

    public Task SaveAsync(Registration registration, CancellationToken ct = default)
    {
        _byId[registration.Id] = registration;
        return Task.CompletedTask;
    }

    public Task<Registration?> GetAsync(RegistrationId id, CancellationToken ct = default)
        => Task.FromResult(_byId.GetValueOrDefault(id));
}