import fs from "fs";
import inquirer from "inquirer";
import path from "path";

async function main() {
  let rawName = process.argv[2];

  // Preguntar si no se pasó argumento
  if (!rawName) {
    const answers = await inquirer.prompt([
      {
        type: "input",
        name: "packageName",
        message: "Nombre del nuevo package:",
        validate: (input) => (input ? true : "El nombre no puede estar vacío"),
      },
    ]);
    rawName = answers.packageName;
  }

  const name = rawName.toLowerCase();
  const capitalized = name.charAt(0).toUpperCase() + name.slice(1);
  const basePath = path.resolve(__dirname, "../packages", name);
  const clientPath = path.join(basePath, "client");
  const serverPath = path.join(basePath, "server");

  // Plantillas
  const manifestTemplate = () => `
import { IPackageClient } from '@libs/package';
import ${capitalized}Page from './${capitalized}Page';

export const ${capitalized}Package: IPackageClient = {
  metadata: {
    name: '${name}',
    route: '/${name}',
    version: '1.0.0',
    description: '${capitalized} package'
  },
  component: ${capitalized}Page
};
`;

  const pageTemplate = () => `
export default function ${capitalized}Page() {
  return <div>${capitalized} Package Page</div>;
}
`;

  const serverIndexTemplate = () => `
import { IPackageServer } from '@libs/package';
import { ${name}Controller } from './controller';

export const ${capitalized}Package: IPackageServer = {
  metadata: {
    name: '${name}',
    version: '1.0.0',
    dependencies: []
  },
  init(app) {
    app.get('/${name}', ${name}Controller);
  }
};
`;

  const controllerTemplate = () => `
export function ${name}Controller(req, res) {
  res.send('${capitalized} package response');
}
`;

  const tsconfigReact = () =>
    JSON.stringify(
      {
        extends: "@repo/tsconfig/react",
        include: ["."],
      },
      null,
      2
    );

  const tsconfigNode = () =>
    JSON.stringify(
      {
        extends: "@repo/tsconfig/node",
        include: ["."],
      },
      null,
      2
    );

  // --- Crear carpetas ---
  fs.mkdirSync(clientPath, { recursive: true });
  fs.mkdirSync(serverPath, { recursive: true });

  // --- Crear archivos cliente ---
  fs.writeFileSync(path.join(clientPath, `${capitalized}Page.tsx`), pageTemplate());
  fs.writeFileSync(path.join(clientPath, `manifest.ts`), manifestTemplate());
  fs.writeFileSync(path.join(clientPath, `tsconfig.json`), tsconfigReact());

  // --- Crear archivos servidor ---
  fs.writeFileSync(path.join(serverPath, `index.ts`), serverIndexTemplate());
  fs.writeFileSync(path.join(serverPath, `controller.ts`), controllerTemplate());
  fs.writeFileSync(path.join(serverPath, `tsconfig.json`), tsconfigNode());

  console.log(`✅ Package '${name}' creado exitosamente en /packages/${name}`);
}

main();