import { IPackageServer } from "@libs/package";
import { Express } from "express";
import { Sequelize } from "sequelize";
import { registerService } from "./service-registry.ts.bak";

const registeredPackages: Map<string, IPackageServer> = new Map();
const initializedPackages = new Set<string>();

export function registerPackage(pkg: IPackageServer) {
  if (registeredPackages.has(pkg.metadata.name)) {
    throw new Error(`❌ Paquete "${pkg.metadata.name}" ya registrado.`);
  }
  registeredPackages.set(pkg.metadata.name, pkg);
}

export function initPackages(app: Express, sequelize: Sequelize) {
  for (const [name] of registeredPackages) {
    loadPackage(name, app, sequelize);
  }
}

function loadPackage(name: string, app: Express, sequelize: Sequelize) {
  if (initializedPackages.has(name)) return;

  const pkg = registeredPackages.get(name);
  if (!pkg) throw new Error(`❌ Paquete "${name}" no encontrado.`);

  // Resolver dependencias primero
  const deps = pkg.metadata.dependencies || [];
  deps.forEach((dep) => loadPackage(dep, app, sequelize));

  // Inicializar el package
  pkg.init(app);

  const pkgApi = pkg.registerDependencies?.();

  // Registrar modelos de Sequelize, si los expone

  if (pkgApi?.models) {
    for (const initModelFn of pkgApi.models) {
      initModelFn(sequelize);
    }
  }

  // Registrar sus servicios, si los expone
  if (pkgApi?.services) {
    const services = pkgApi.services;
    if (services && typeof services === "object") {
      registerService(pkg.metadata.name, services);
    }
  }

  initializedPackages.add(name);
  console.log(`✅ Paquete "${name}" inicializado.`);
}