import localStorage from 'local-storage-fallback';

function initRequest(req) {
  const headers = new Headers();
  const authToken = JSON.parse(localStorage.getItem('authToken'));
  if (authToken) {
    headers.append('Authorization', `Bearer ${authToken}`);
  }
  headers.append('Accept', 'application/json, text/plain');
  headers.append('Content-Type', 'application/json');
  headers.append('pragma', 'no-cache');
  headers.append('Cache-control', 'no-cache, no-store');
 headers.append('X-AUTH-TOKEN', 'eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IlJFUTBNVVE1TjBOQ1JUSkVNemszTTBVMVJrTkRRMFUwUTBNMVJFRkJSamhETWpkRU5VRkJRZyIsImtleWlkIjoiUkVRME1VUTVOME5DUlRKRU16azNNMFUxUmtORFEwVTBRME0xUkVGQlJqaERNamRFTlVGQlFnIn0.eyJpc3MiOiJodHRwczovL2ZpZG0uZ2lneWEuY29tL2p3dC8zX1JDckNiTW43VDdmSnR0Szdzd2lfcnoyTUNweXAyUkI2eENQQWRTNnpsdFpRZWk1bV9OS2RnQ3VETzN0WmNEQzYvIiwiYXBpS2V5IjoiM19SQ3JDYk1uN1Q3Zkp0dEs3c3dpX3J6Mk1DcHlwMlJCNnhDUEFkUzZ6bHRaUWVpNW1fTktkZ0N1RE8zdFpjREM2IiwiaWF0IjoxNTcyMDAwOTk3LCJleHAiOjE1NzIwMDEyOTcsInN1YiI6ImEzMmMzYjYyNjFlOTQ3OGZiODgyYzBiYzlkNzdiMzZlIn0.BO0d2LgEz-begL9_bTaV4hgspvgpHSJZR3aP6y4cikAhGOHCWwXdwBPciV1UCOIekgkq3JSlZQiNqX59nZklz4KEa27LD91s4DyZTscdhwWFDGo0Tv5gdnOz8aI2gDfXumrlbfHtYGdDE6kUMrrjzl4-mkpK9PMDVxrkROF64FtVLJRRhdDyhVOmOljK5FRMvjBO03XSD-_C6ipKBOlUOBkt4-76TywzyKQeMCdqjpbm7EIPFeye4w7xBMscvhe6L_cPZ-klrnINZTEOoWbS1r8vcilBd_ApAsJjwE7NP_2NiYJqK8UDRLct6Rjf4YJQMofj_0oyHw2b7qLrtANjKg');
  /**
   * ensure proxy https redirect is not blocked
   */
  if (window.location.protocol.indexOf('https') !== -1) {
    headers.append('X-Forwarded-Proto', 'https');
    headers.append('X-Forwarded-Port', '443');
  }

  return Object.assign(
    {
      method: 'GET',
      headers,
      cache: 'no-store',
      credentials: 'same-origin',
      mode: 'cors'
    },
    req || {}
  );
}

export function parseResponse(response) {
  if (response.ok) {
    return response.status === 204 ? { status: 'ok' } : response.json();
  } else {
    const error = {
      code: response.status,
      message: response.statusText
    };
    throw error;
  }
}

class ApiClient {
  get(url, failCallback) {
    return fetch(
      url,
      initRequest({
        method: 'GET'
      })
    )
      .then(parseResponse)
      .catch(error => {
        failCallback && failCallback(error);
      });
  }
  post(url, payload, failCallback) {
    return fetch(
      url,
      initRequest({
        body: JSON.stringify(payload),
        method: 'POST'
      })
    )
      .then(parseResponse)
      .catch(error => {
        failCallback && failCallback(error);
      });
  }
}

export default new ApiClient();