using System.Net;
using System.Net.Http.Json;
using System.Text.Json;
using FluentAssertions;
using Microsoft.AspNetCore.Mvc.Testing;
using StellaOps.SbomService.Models;
using Xunit;

namespace StellaOps.SbomService.Tests;

public class SbomEventEndpointsTests : IClassFixture<WebApplicationFactory<Program>>
{
    private readonly WebApplicationFactory<Program> _factory;

    public SbomEventEndpointsTests(WebApplicationFactory<Program> factory)
    {
        _factory = factory.WithWebHostBuilder(_ => { });
    }

    [Fact]
    public async Task Backfill_publishes_version_created_events_once()
    {
        var client = _factory.CreateClient();

        var backfillResponse = await client.PostAsync("/internal/sbom/events/backfill", content: null);
        backfillResponse.EnsureSuccessStatusCode();

        var backfillPayload = await backfillResponse.Content.ReadFromJsonAsync<JsonElement>();
        backfillPayload.TryGetProperty("published", out var publishedProp).Should().BeTrue();
        publishedProp.GetInt32().Should().BeGreaterOrEqualTo(1);

        var events = await client.GetFromJsonAsync<List<SbomVersionCreatedEvent>>("/internal/sbom/events");
        events.Should().NotBeNull();
        events!.Should().HaveCount(1);
        events[0].SnapshotId.Should().Be("snap-001");
        events[0].TenantId.Should().Be("tenant-a");

        // Requesting the projection should not duplicate events.
        var projectionResponse = await client.GetAsync("/sboms/snap-001/projection?tenant=tenant-a");
        projectionResponse.StatusCode.Should().Be(HttpStatusCode.OK);

        var eventsAfterProjection = await client.GetFromJsonAsync<List<SbomVersionCreatedEvent>>("/internal/sbom/events");
        eventsAfterProjection.Should().NotBeNull();
        eventsAfterProjection!.Should().HaveCount(1);
    }
}