using Microsoft.Extensions.Options;

namespace ECMJobRunner.WebCron.ProfileWorker;

public class ProfileWorker(
    ILogger<ProfileWorker> Logger, 
    IServiceScopeFactory ScopeFactory,
    IOptions<ProfileWorkerOptions> Options) : BackgroundService
{
    private readonly ProfileWorkerOptions _options = Options.Value;

    private int _workCount = 0;

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

            try
            {
                // Create a scope to resolve scoped services (ISQLExecutor used by MediatR pipeline)
                using var scope = ScopeFactory.CreateScope();
                var work = scope.ServiceProvider.GetRequiredService<ProfileWork>();
                await work.ExecuteAsync(stoppingToken);
            }
            catch (Exception ex)
            {
                Logger.LogError(ex, "An unexpected error occurred in ProfileWorker. Work count: {workCount}", _workCount);
            }

            await Task.Delay(_options.IntervalMS, stoppingToken);
        }
    }
}