using Microsoft.Extensions.Options;

namespace NeonSprawl.Server.Game.PositionState;

/// <summary>Runs DDL and dev-player seed once when the host starts (PostgreSQL path only).</summary>
internal sealed class PostgresDevPlayerSeedHostedService : IHostedService
{
    private readonly Npgsql.NpgsqlDataSource _dataSource;
    private readonly GamePositionOptions _options;

    public PostgresDevPlayerSeedHostedService(
        Npgsql.NpgsqlDataSource dataSource,
        IOptions<GamePositionOptions> options)
    {
        _dataSource = dataSource;
        var o = options.Value;
        if (string.IsNullOrWhiteSpace(o.DevPlayerId))
        {
            throw new InvalidOperationException("Game:DevPlayerId must be non-empty.");
        }

        _options = o;
    }

    public Task StartAsync(CancellationToken cancellationToken)
    {
        PostgresPositionBootstrap.EnsureSchema(_dataSource);
        PostgresPositionBootstrap.SeedDevPlayer(_dataSource, _options);
        return Task.CompletedTask;
    }

    public Task StopAsync(CancellationToken cancellationToken) => Task.CompletedTask;
}