import { buildCommand, numberParser } from "npm:@stricli/core";
import express from 'npm:express';

type Flags = {
  readonly port?: number;
};

export const command = buildCommand({
  func: async (flags: Flags, _text: string) => {
    const port = flags.port ?? 8066;
    const hostname = "localhost";
    console.debug(
      `Requested an interactive editor server at http://${hostname}:${port}`,
    );

    const app = express();

    app.use(express.static(import.meta.dirname + '/../editor/dist'));

    app.listen(port, hostname, () => {
      console.debug(`Express server running at http://${hostname}:${port}`);
    });
  },
  parameters: {
    flags: {
      port: {
        brief: "Port to run the editor server on",
        kind: "parsed",
        parse: numberParser,
        optional: true,
      },
    }
  },
  docs: {
    brief: "Run an interactive editor server",
  },
});