using Hcs.WebApp.BackgroundServices.DataParsers;
using Hcs.WebApp.Services;

namespace Hcs.WebApp.BackgroundServices
{
    public class DataParsingService(
        DataParsingState state,
        DataParserFactory dataParserFactory,
        IServiceScopeFactory scopeFactory) : BackgroundService
    {
        private readonly DataParsingState state = state;
        private readonly DataParserFactory dataParserFactory = dataParserFactory;
        private readonly IServiceScopeFactory scopeFactory = scopeFactory;

        protected override async Task ExecuteAsync(CancellationToken stoppingToken)
        {
            await InitializeStateAsync();
        }

        private async Task InitializeStateAsync()
        {
            using var scope = scopeFactory.CreateScope();
            var headquartersService = scope.ServiceProvider.GetRequiredService<HeadquartersService>();

            var operations = await headquartersService.GetResultWaitingOperationsAsync();
            foreach (var operation in operations)
            {
                state.EnqueueOperation(operation);
            }

            state.Ready = true;
        }
    }
}