using Microsoft.Extensions.Hosting;
using Npgsql;

namespace NeonSprawl.Server.Game.PositionState;

/// <summary>Disposes the shared <see cref="NpgsqlDataSource"/> when the host stops. Registered before <see cref="PostgresDevPlayerSeedHostedService"/> so <see cref="IHostedService.StopAsync"/> runs last (NEO-13).</summary>
internal sealed class NpgsqlDataSourceShutdownHostedService(NpgsqlDataSource dataSource) : IHostedService
{
    public Task StartAsync(CancellationToken cancellationToken) => Task.CompletedTask;

    public async Task StopAsync(CancellationToken cancellationToken)
    {
        cancellationToken.ThrowIfCancellationRequested();
        await dataSource.DisposeAsync();
    }
}