using Hcs.WebApp.Data.Hcs;
using Hcs.WebApp.Services;
using Microsoft.EntityFrameworkCore;

namespace Hcs.WebApp.BackgroundServices.DataParsers
{
    public class HousesDataParser_15_7_0_1(IServiceScope scope, Operation operation) : DataParserBase(scope, operation)
    {
        public override async Task ParseAsync()
        {
            var headquartersService = scope.ServiceProvider.GetRequiredService<HeadquartersService>();
            var fileToParseService = scope.ServiceProvider.GetRequiredService<FileToParseService>();

            using var context = headquartersService.GetNewContext();
            var executionStrategy = context.Database.CreateExecutionStrategy();
            await executionStrategy.ExecuteAsync(async () =>
            {
                using var transaction = await context.Database.BeginTransactionAsync();
                try
                {
                    var now = DateTime.UtcNow;

                    var fileToParse = await fileToParseService.GetFileToParseByOperationIdAsync(context, operation.Id);
                    fileToParse.ParsedAt = now;
                    await context.SaveChangesAsync();

                    await headquartersService.SetOperationEndedAsync(context, operation.Id, now);

                    await transaction.CommitAsync();
                }
                catch
                {
                    await transaction.RollbackAsync();

                    throw;
                }
            });
        }
    }
}