import { Middleware } from 'jsr:@planigale/planigale@^0.6.1';
import { qs } from './deps.ts';

export const bodyParser: Middleware = async (req, next) => {
  const request = req.request;
  if (!req.route) {
    return await next();
  }
  req.body = await loadBody(request);
  return await next();
};

const methods = ['POST', 'PUT', 'PATCH', 'DELETE'];

const loadBody = async (request: Request) => {
  if (!methods.includes(request.method)) {
    return request.body;
  }
  const contentType = request.headers.get('content-type');
  if (contentType?.includes('application/json')) {
    return await request.json();
  } else if (contentType?.includes('application/x-www-form-urlencoded')) {
    return qs.parse(await request.text());
  } else if (contentType?.includes('text/plain')) {
    return await request.text();
  } else {
    return request.body;
  }
};