using StellaOps.SbomService.Models;
using StellaOps.SbomService.Repositories;
using System;
using System.Threading;
using System.Threading.Tasks;

namespace StellaOps.SbomService.Services;

internal interface ISbomAnalysisTrigger
{
    Task<SbomAnalysisJob> TriggerAsync(string artifactRef, Guid versionId, CancellationToken cancellationToken);
}

internal sealed class InMemorySbomAnalysisTrigger : ISbomAnalysisTrigger
{
    private readonly ISbomLedgerRepository _repository;
    private readonly IClock _clock;
    private readonly IGuidProvider _guidProvider;

    public InMemorySbomAnalysisTrigger(ISbomLedgerRepository repository, IClock clock, IGuidProvider? guidProvider = null)
    {
        _repository = repository ?? throw new ArgumentNullException(nameof(repository));
        _clock = clock ?? throw new ArgumentNullException(nameof(clock));
        _guidProvider = guidProvider ?? SystemGuidProvider.Instance;
    }

    public async Task<SbomAnalysisJob> TriggerAsync(string artifactRef, Guid versionId, CancellationToken cancellationToken)
    {
        var jobId = _guidProvider.NewGuid().ToString("n");
        var job = new SbomAnalysisJob(jobId, artifactRef, versionId, _clock.UtcNow, "queued");
        await _repository.AddAnalysisJobAsync(job, cancellationToken).ConfigureAwait(false);
        return job;
    }
}