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import { opine } from "../../../mod.ts";import type { Application } from "../../../src/types.ts";import { dirname, join } from "../../../deps.ts";import { renderFileToString } from "../deps.ts";
const rootDirname = dirname(import.meta.url);
export default async function (parent: Application) {  const dir = new URL("controllers/", rootDirname);
  for (const { name: fileName } of Deno.readDirSync(dir)) {    const filePath = new URL(`${fileName}/index.ts`, dir);    const obj = await import(filePath.toString());    const name = obj.name ?? fileName;    const prefix = obj.prefix ?? "";    const app = opine();
    let handler;    let method;    let url;
    app.set("view engine", "ejs");    app.engine(".ejs", renderFileToString);    app.set("views", join(rootDirname, "..", "controllers", name, "views"));
    // Generate routes based on the exported methods    for (const key in obj) {      // "Reserved" exports      if (~["name", "prefix", "before"].indexOf(key)) continue;      // Route exports      switch (key) {        case "show":          method = "get";          url = `/${name}/:${name}_id`;          break;        case "list":          method = "get";          url = `/${name}s`;          break;        case "edit":          method = "get";          url = `/${name}/:${name}_id/edit`;          break;        case "update":          method = "post";          url = `/${name}/:${name}_id`;          break;        case "create":          method = "post";          url = `/${name}`;          break;        case "index":          method = "get";          url = "/";          break;        default:          /* istanbul ignore next */          throw new Error(`unrecognized route: ${name}.${key}`);      }
      // setup      handler = obj[key];      url = prefix + url;
      // before middleware support      if (obj.before) {        (app as any)[method](url, obj.before, handler);      } else {        (app as any)[method](url, handler);      }    }
    // mount the app    parent.use(app);  }}