using EnvelopeGenerator.ServiceHost.Jobs;

namespace EnvelopeGenerator.ServiceHost;

public class Worker : BackgroundService
{
    private readonly ILogger<Worker> _logger;
    private readonly int _delayMilliseconds;
    private readonly IServiceScopeFactory _scopeFactory;

    public Worker(ILogger<Worker> logger, IConfiguration configuration, IServiceScopeFactory scopeFactory)
    {
        _logger = logger;
        _delayMilliseconds = Math.Max(1, configuration.GetValue("Worker:DelayMilliseconds", 1000));
        _scopeFactory = scopeFactory;
    }

    protected override async Task ExecuteAsync(CancellationToken stoppingToken)
    {
        while (!stoppingToken.IsCancellationRequested)
        {
            if (_logger.IsEnabled(LogLevel.Information))
            {
                _logger.LogInformation("Worker running at: {time}", DateTimeOffset.Now);
            }

            using var scope = _scopeFactory.CreateScope();
            var finalizeDocumentJob = scope.ServiceProvider.GetRequiredService<FinalizeDocumentJob>();
            await finalizeDocumentJob.ExecuteAsync(stoppingToken);

            await Task.Delay(_delayMilliseconds, stoppingToken);
        }
    }
}