using Xunit;
using Microsoft.Extensions.Time.Testing;
using StellaOps.Policy.Engine.Ledger;
using StellaOps.Policy.Engine.Orchestration;

using StellaOps.TestKit;
namespace StellaOps.Policy.Engine.Tests;

public sealed class LedgerExportServiceTests
{
    [Trait("Category", TestCategories.Unit)]
        [Fact]
    public async Task BuildAsync_ProducesOrderedNdjson()
    {
        var clock = new FakeTimeProvider(DateTimeOffset.Parse("2025-11-24T15:00:00Z"));
        var jobStore = new InMemoryOrchestratorJobStore();
        var resultStore = new InMemoryWorkerResultStore(jobStore);
        var exportStore = new InMemoryLedgerExportStore();
        var service = new LedgerExportService(clock, jobStore, resultStore, exportStore);

        var job = new OrchestratorJob(
            JobId: "job-1",
            TenantId: "acme",
            ContextId: "ctx",
            PolicyProfileHash: "hash",
            RequestedAt: clock.GetUtcNow(),
            Priority: "normal",
            BatchItems: new[]
            {
                new OrchestratorJobItem("pkg:b", "ADV-2"),
                new OrchestratorJobItem("pkg:a", "ADV-1")
            },
            Callbacks: null,
            TraceRef: "trace",
            Status: "completed",
            DeterminismHash: "hash",
            CompletedAt: clock.GetUtcNow(),
            ResultHash: "res");

        await jobStore.SaveAsync(job);

        var result = new WorkerRunResult(
            job.JobId,
            "worker",
            clock.GetUtcNow(),
            clock.GetUtcNow(),
            new[]
            {
                new WorkerResultItem("pkg:b", "ADV-2", "ok", "trace-b"),
                new WorkerResultItem("pkg:a", "ADV-1", "violation", "trace-a")
            },
            "hash");

        await resultStore.SaveAsync(result);

        var export = await service.BuildAsync(new LedgerExportRequest("acme"));

        Assert.Equal(2, export.Manifest.RecordCount);
        Assert.Equal("policy-ledger-export-v1", export.Manifest.SchemaVersion);
        Assert.Equal(3, export.Lines.Count); // manifest + 2 records
        Assert.Contains(export.Records, r => r.ComponentPurl == "pkg:a");
        Assert.Equal("pkg:a", export.Records[0].ComponentPurl);
    }
}