import { URLS } from '../data/urls';
import { NextResponse } from 'next/server';

export async function POST(req: Request) {
  const regexText1 = /name=['|"]csrfmiddlewaretoken['|"] value=['|"]\w+/gi;
  const regexText2 = /name=['|"]csrfmiddlewaretoken['|"] value=['|"]/gi;
  let sessionCookie;

  if (req.headers.get('osessionid')) {
    sessionCookie = `osessionid=${req.headers.get('osessionid')}`;
  }

  const requestLogoutStep1 = await fetch(URLS.user.logout, {
    method: 'POST',
    headers: {
      Cookie: `${sessionCookie}`
    }
  });

  const responseHtml = await requestLogoutStep1.text();
  const csrfTokenMatch = responseHtml.match(regexText1);
  const csrfToken = csrfTokenMatch?.[0].replace(regexText2, '') || '';
  const formData = new URLSearchParams();

  formData.append('csrfmiddlewaretoken', csrfToken);

  try {
    const requestLogoutStep2 = await fetch(URLS.user.logout, {
      method: 'POST',
      headers: {
        Cookie: `csrftoken=${csrfToken}; ${sessionCookie}`
      },
      body: formData
    });

    return NextResponse.json(requestLogoutStep2, {
      status: requestLogoutStep2.status
    });
  } catch (error) {
    return NextResponse.json(error, { status: 500 });
  }
}