import { get, set } from '@ember/object';
import Route from '@ember/routing/route';
import { cancel, later, scheduleOnce } from '@ember/runloop';
import { inject as service } from '@ember/service';
import $ from 'jquery';
import { all as PromiseAll, resolve } from 'rsvp';
import { compare, isDevBuild } from 'shared/utils/parse-version';
import Preload from 'ui/mixins/preload';
import C from 'ui/utils/constants';

const CHECK_AUTH_TIMER = 60 * 10 * 1000;

export default Route.extend(Preload, {
  access:       service(),
  globalStore:  service(),
  clusterStore: service(),
  cookies:      service(),
  language:     service('user-language'),
  modalService: service('modal'),
  prefs:        service(),
  scope:        service(),
  settings:     service(),
  storeReset:   service(),
  intl:         service(),
  growl:        service(),
  userTheme:    service('user-theme'),

  testTimer: null,

  shortcuts: {
    // Global
    'c':       'gotoc',
    'u':       'gotou',
    'shift+k': 'gotoK',
    'shift+p': 'gotoP',
    'shift+t': 'gotoT',

    // Cluster or Proejct
    '`':       'quake',
    'shift+`': 'quake',
    'm':       'gotom',

    // Cluster
    'd':       'gotod',
    'n':       'goton',
    'p':       'gotop',
    'shift+v': 'gotoV',

    // Project
    'w': 'gotow',
    'b': 'gotob',
    's': 'gotos',
    'h': 'gotoh',
    'v': 'gotov',
    'a': 'gotoa',

    // Other
    // 'g': Defined in subroutes
    't':         'nextTab',
    '/':         'search',
    'shift+/':   'help',
    'backspace': 'delete',
    'delete':    'delete',
  },

  beforeModel() {
    set(this, 'testTimer', later(() => {
      this.testAuthToken();
    }, CHECK_AUTH_TIMER));

    return PromiseAll([
      this.testAuthToken(),
      this.loadPublicSettings(),
    ]).then(() => {
      if (get(this, 'access.mustChangePassword')) {
        this.transitionTo('update-password');
      }

      if (get(this, 'settings.serverUrlIsEmpty')) {
        get(this, 'router').transitionTo('update-critical-settings');
      }
    });
  },

  model(params, transition) {
    get(this, 'session').set(C.SESSION.BACK_TO, undefined);

    const isPopup = this.controllerFor('application').get('isPopup');

    return get(this, 'scope').startSwitchToGlobal(!isPopup)
      .then(() => {
        const list = [
          this.loadSchemas('globalStore'),
          this.loadClusters(),
          this.loadProjects(),
          this.loadPreferences(),
        ];

        const globalStore = get(this, 'globalStore');

        if ( !isPopup ) {
          list.addObjects([
            this.preload('node', 'globalStore', { url: 'nodes' }),
            this.preload('nodePool', 'globalStore', { url: 'nodePools' }),
            this.preload('noedTemplates', 'globalStore', { url: 'nodeTemplates' }),
            this.preload('roleTemplate', 'globalStore', {
              url:    'roleTemplates',
              filter: {
                enabled: true,
                hidden:  false
              }
            }),
            this.preload('clusterRoleTemplateBindings', 'globalStore', { url: 'clusterRoleTemplateBindings' }),
            this.preload('projectRoleTemplateBinding', 'globalStore', { url: 'projectRoleTemplateBinding' }),
            this.preload('globalRole', 'globalStore', { url: 'globalRole' }),
            this.preload('authConfig', 'globalStore', { url: 'authConfigs' }),
            this.preload('globalRoleBinding', 'globalStore', { url: 'globalRoleBinding' }),
            this.preload('user', 'globalStore', { url: 'user' }),
            this.preload('features', 'globalStore', { url: 'features' }),

            globalStore.findAll('principal').then((principals) => {
              const me = principals.filter((p) => p.me === true);

              if (me.length > 0) {
                set(this, 'access.principal', get(me, 'firstObject'));
              }
              principals.forEach((p) => {
                set(p, '_mine', true);
              });
            }),
          ]);
        }

        return PromiseAll(list)
      })
      .catch((err) => this.loadingError(err, transition));
  },

  afterModel() {
    return get(this, 'scope').finishSwitchToGlobal();
  },

  activate() {
    this._super(...arguments);

    if ( this.controllerFor('application').get('isPopup') ) {
      $('BODY').addClass('popup');

      return;
    }

    // Don't show any modals when embedded
    const isEmbedded = window.top !== window;

    if ( !get(this, `cookies.${ C.COOKIE.REDIRECTED }`) ) {
      // Send users to dashboard, if there's no redirect cookie, and not embedded
      // So that if you're on <2.6 in Ember, upgrade, and get reloaded you end up in Dashboard.
      this.cookies.set(C.COOKIE.REDIRECTED, true);

      // If isEmbedded then you're already in Dashboard, so just set the cookie.
      if ( !isEmbedded ) {
        window.location.href = get(this, 'scope.dashboardBase');

        return;
      }
    }

    if ( get(this, 'settings.isRancher') && !isEmbedded) {
      const telemetry = get(this, `settings.${ C.SETTING.TELEMETRY }`);
      const form = get(this, `settings.${ C.SETTING.FEEDBACK_FORM }`);
      const seenWhatsNew = get(this, `prefs.${ C.PREFS.SEEN_WHATS_NEW }`);
      const version = get(this, 'settings.rancherVersion');
      const isDev = isDevBuild(version);

      if ( get(this, 'access.admin') && (!telemetry || telemetry === 'prompt') ) {
        // Show the telemetry opt-in if not set
        scheduleOnce('afterRender', this.modalService, 'toggleModal', 'modal-telemetry');
      } else if ( form && !get(this, `prefs.${ C.PREFS.FEEDBACK }`) ) {
        // Try.rancher feedback
        scheduleOnce('afterRender', this.modalService, 'toggleModal', 'modal-feedback');
      } else if ( !isDev && (!seenWhatsNew || compare(seenWhatsNew, C.WHATS_NEW_VERSION) < 0) ) {
        // What's new
        scheduleOnce('afterRender', this.modalService, 'toggleModal', 'modal-whats-new');
      }
    }
  },

  deactivate() {
    this._super();
    const scope = get(this, 'scope');

    scope.startSwitchToNothing().then(() => {
      scope.finishSwitchToNothing();
    });
    cancel(get(this, 'testTimer'));
  },

  actions: {
    error(err, transition) {
      // Unauthorized error, send back to login screen
      if ( err && err.status === 401 ) {
        this.send('logout', transition);

        return false;
      } else {
        // Bubble up
        return true;
      }
    },

    becameReady() {
      // This absorbs became ready in case it's not handled elsewhere
    },

    showAbout() {
      this.controllerFor('application').set('showAbout', true);
    },

    switchProject(projectId, transitionTo = 'authenticated', transitionArgs) {
      // console.log('Switch to Project:' + projectId);
      PromiseAll([
        get(this, 'scope.subscribeProject').disconnect(),
      ]).then(() => {
        // console.log('Switch is disconnected');
        this.send('finishSwitch', `project:${ projectId }`, transitionTo, transitionArgs);
      });
    },

    finishSwitch(id, transitionTo, transitionArgs) {
      // console.log('Switch finishing');

      const cookies = get(this, 'cookies');
      var [whichCookie, idOut] = id.split(':');

      get(this, 'storeReset').reset();

      if ( transitionTo ) {
        let args = (transitionArgs || []).slice();

        args.unshift(transitionTo);
        this.transitionTo.apply(this, args);
      }

      cookies.set(C.COOKIE[whichCookie.toUpperCase()], idOut);

      this.refresh();

      // console.log('Switch finished');
    },

    help()  {
      get(this, 'modalService').toggleModal('modal-shortcuts', { escToClose: true });
    },

    // Special
    nextTab() {
      if ( $('.tab-nav').length ) {
        let cur = $('.tab-nav .active');
        let next = cur.closest('li').next()
          .find('a');

        if ( next && next.length ) {
          next.click();
        } else {
          next = $('.tab-nav li:first-child a');
          if ( next && next.length ) {
            next.click();
          }
        }
      }
    },

    search(event)  {
      let elem = $("INPUT[type='search']")[0];

      if ( elem ) {
        event.stopPropagation();
        event.preventDefault();
        elem.focus();
      }
    },

    delete() {
      $('.bulk-actions .icon-trash').closest('a')
        .click();
    },

    // Global
    gotoc() {
      this._gotoRoute('global-admin.clusters.index', 'global');
    },
    gotou() {
      this._gotoRoute('global-admin.security.accounts.users', 'global');
    },
    gotoK() {
      this._gotoRoute('authenticated.apikeys', 'global');
    },
    gotoP() {
      this._gotoRoute('authenticated.prefs', 'global');
    },
    gotoT() {
      this._gotoRoute('nodes.node-templates', 'global');
    },

    // Cluster or Project
    gotom() {
      this._gotoMembers();
    },

    // Cluster
    gotod() {
      this._gotoRoute('authenticated.cluster.index', 'cluster');
    },
    goton() {
      this._gotoRoute('authenticated.cluster.nodes', 'cluster');
    },
    gotop() {
      this._gotoRoute('authenticated.cluster.projects', 'cluster');
    },
    gotoV() {
      this._gotoRoute('authenticated.cluster.storage.persistent-volumes', 'cluster');
    },

    quake() {
      const clusterId = get(this, 'scope.currentCluster.id');

      if ( clusterId ) {
        this.get('modalService').toggleModal('modal-kubectl', {});
      }
    },

    // Project
    gotow() {
      this._gotoRoute('containers', 'project');
    },
    gotob() {
      this._gotoRoute('ingresses', 'project');
    },
    gotos() {
      this._gotoRoute('authenticated.project.dns', 'project');
    },
    gotoh() {
      this._gotoRoute('authenticated.project.hpa', 'project');
    },
    gotov() {
      this._gotoRoute('volumes', 'project');
    },
    gotoa() {
      this._gotoRoute('apps-tab.index', 'project');
    },

  },

  testAuthToken() {
    return get(this, 'access').testAuth()
      .catch(() => {
        set(this, `session.${ C.SESSION.BACK_TO }`, window.location.href);
        this.transitionTo('login');
        this.send('logout', null);
      });
  },

  loadPreferences() {
    return get(this, 'globalStore').find('preference', null, { url: 'preference' })
      .then((res) => {
        get(this, 'language').initLanguage(true);
        get(this, 'userTheme').setupTheme();

        if (get(this, `prefs.${ C.PREFS.I_HATE_SPINNERS }`)) {
          $('BODY').addClass('i-hate-spinners');
        }

        return res;
      });
  },

  loadClusters() {
    return get(this, 'scope').getAllClusters();
  },

  loadProjects() {
    return get(this, 'scope').getAllProjects();
  },

  loadPublicSettings() {
    return get(this, 'globalStore').find('setting', null, { url: 'settings' });
  },

  loadSecrets() {
    if ( get(this, 'store').getById('schema', 'secret') ) {
      return get(this, 'store').find('secret');
    } else {
      return resolve();
    }
  },

  _gotoRoute(name, scope = 'global') {
    // Don't go to routes if in a form page, because you can easily not be on an input
    // and leave the page accidentally.
    if ( $('FORM').length > 0 ) {
      return;
    }

    const clusterId = get(this, 'scope.currentCluster.id');
    const projectId = get(this, 'scope.currentProject.id');

    if ( scope === 'cluster' && clusterId ) {
      this.transitionTo(name, clusterId);
    } else if ( scope === 'project' && projectId ) {
      this.transitionTo(name, projectId);
    } else if ( scope === 'global' ) {
      this.transitionTo(name);
    }
  },

  _gotoMembers() {
    const clusterId = get(this, 'scope.currentCluster.id');
    const projectId = get(this, 'scope.currentProject.id');

    if ( projectId ) {
      this._gotoRoute('authenticated.project.security.members.index', 'project');
    } else if ( clusterId ) {
      this._gotoRoute('authenticated.cluster.security.members.index', 'cluster');
    }
  },


});