using StellaOps.Cartographer.Options;

var builder = WebApplication.CreateBuilder(args);

builder.Configuration
    .AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
    .AddEnvironmentVariables("CARTOGRAPHER_");

builder.Services.AddOptions();
builder.Services.AddLogging();

var authoritySection = builder.Configuration.GetSection("Cartographer:Authority");
var authorityOptions = new CartographerAuthorityOptions();
authoritySection.Bind(authorityOptions);
CartographerAuthorityOptionsConfigurator.ApplyDefaults(authorityOptions);
authorityOptions.Validate();

builder.Services.AddSingleton(authorityOptions);
builder.Services.AddOptions<CartographerAuthorityOptions>()
    .Bind(authoritySection)
    .PostConfigure(CartographerAuthorityOptionsConfigurator.ApplyDefaults);

// TODO: register Cartographer graph builders, overlay workers, and Authority client once implementations land.

var app = builder.Build();

if (!authorityOptions.Enabled)
{
    app.Logger.LogWarning("Cartographer Authority authentication is disabled; enable it before production deployments.");
}
else if (authorityOptions.AllowAnonymousFallback)
{
    app.Logger.LogWarning("Cartographer Authority allows anonymous fallback; disable fallback before production rollout.");
}

app.MapGet("/healthz", () => Results.Ok(new { status = "ok" }));
app.MapGet("/readyz", () => Results.Ok(new { status = "warming" }));

app.Run();