using System.Net;
using System.Net.Http.Json;
using Acl.Application;
using Acl.Infrastructure;

namespace Acl.Tests;

public class OpenZaakGatewayTests
{
    private sealed class StubHandler(Func<HttpRequestMessage, Task<HttpResponseMessage>> onSend)
        : HttpMessageHandler
    {
        protected override Task<HttpResponseMessage> SendAsync(HttpRequestMessage request, CancellationToken ct)
            => onSend(request);
    }

    [Fact]
    public async Task Posts_zaak_to_openzaak_with_bearer_and_default_fields_and_returns_url()
    {
        HttpRequestMessage? seen = null;
        string? body = null;
        var handler = new StubHandler(async req =>
        {
            seen = req;
            body = await req.Content!.ReadAsStringAsync();
            return new HttpResponseMessage(HttpStatusCode.Created)
            {
                Content = JsonContent.Create(new { url = "http://openzaak/zaken/api/v1/zaken/xyz" }),
            };
        });
        var gateway = new OpenZaakGateway(
            new HttpClient(handler),
            new OpenZaakOptions { BaseUrl = new("http://openzaak"), ClientId = "cid", Secret = "sec" });
        var request = new ZaakRequest(
            "517439943", "517439943", "openbaar",
            new("http://openzaak/catalogi/api/v1/zaaktypen/big"), new DateOnly(2026, 6, 4));

        var url = await gateway.OpenZaakAsync(request);

        Assert.Equal("http://openzaak/zaken/api/v1/zaken/xyz", url.ToString());
        Assert.Equal(HttpMethod.Post, seen!.Method);
        Assert.Equal("http://openzaak/zaken/api/v1/zaken", seen.RequestUri!.ToString());
        Assert.Equal("Bearer", seen.Headers.Authorization!.Scheme);
        Assert.False(string.IsNullOrWhiteSpace(seen.Headers.Authorization.Parameter));
        Assert.Contains("\"bronorganisatie\":\"517439943\"", body);
        Assert.Contains("\"verantwoordelijkeOrganisatie\":\"517439943\"", body);
        Assert.Contains("\"vertrouwelijkheidaanduiding\":\"openbaar\"", body);
        Assert.Contains("\"startdatum\":\"2026-06-04\"", body);
        Assert.Contains("\"zaaktype\":\"http://openzaak/catalogi/api/v1/zaaktypen/big\"", body);
    }
}