const app = {
  getToken: function () {
    return new Promise(function (resolve, reject) {
      if (app.keycloak) {
        if (app.keycloak.authenticated) {
          resolve(app.keycloak.token)
        } else {
          reject(new Error('Не найден токен, запрос данных невозможен'))
        }
      } else {
        app.keycloak = new Keycloak({
          url: 'https://auth.rustat-service.ru',
          realm: 'rustat',
          clientId: 'node-manager',
        })

        app.keycloak.init({
          onLoad: 'login-required',
          // onLoad: 'check-sso',
          // silentCheckSsoRedirectUri: `${location.origin}/static/silent-check-sso.html`,
        }).then((result) => {
          if (app.keycloak.authenticated) {
            resolve(app.keycloak.token)
          } else {
            reject(new Error('Не удалось получить токен'))
          }
        })

        app.keycloak.onTokenExpired = () => app.keycloak.updateToken().catch((err) => console.log(err))
        app.keycloak.onAuthRefreshError = (err) => console.log(err)
        app.keycloak.onAuthRefreshSuccess = () => console.log('token is refreshed')
      }
    })
  },

  request: function (data, success) {
    this.getToken()
      .then(function (token) {
        $.ajax(window.location.pathname, {
          method: 'POST',
          headers: { authorization: `Bearer ${token}` },
          contentType: 'application/json; charset=utf-8',
          data: JSON.stringify(data || {}),
          success,
        })
      })
      .catch(function (err) {
        console.log('request', err)
        alert(err.message)
      })
  },
}