var ajah = require('ajah');
// or use in global
var ajah = window.ajah.default;

ajah
  .openInterceptor(function (method, url, isAsync) {
    method = method === 'DELETE' ? 'GET' : method;    // change the http method
    return [method, url, isAsync];
  })
  .itShouldOpen(function (method, url, isAsync) {
    if (method === 'DELETE') return false;            // if the method is DELETE, the it will not hand shake with the serve
    return true;
  })
  .itShouldSend(function (method, url, body, headers) {
    if (!headers.Authorization) return false;         // if this request without token field, so don't send thi request
    return true;
  })
  .transformHeaders(function (method, url, body, headers) {
    headers['Authorization'] = 'this is a mock token';    // add a headers field for this request
    return headers;
  })
  .transformRequestBody(function (method, url, body, headers) {
    if (method === 'GET') return null;                    // if method is GET, then it should not send any body.
    return body;
  })
  .transformResponseBody(function (method, url, body, headers, response) {
    // TODO
    return response;
  })
  .itShouldAbort(function (method, url, body, headers) {
    if (url.indexOf('https://') < 0) return true;         // if this request is not https, then abort this request.
    return false;
  });