import computed from 'ember-addons/ember-computed-decorators';
import WatchedWord from 'admin/models/watched-word';

export default Ember.Controller.extend({
  actionNameKey: null,
  adminWatchedWords: Ember.inject.controller(),
  showWordsList: Ember.computed.or('adminWatchedWords.filtered', 'adminWatchedWords.showWords'),

  findAction(actionName) {
    return (this.get('adminWatchedWords.model') || []).findBy('nameKey', actionName);
  },

  @computed('actionNameKey', 'adminWatchedWords.model')
  filteredContent(actionNameKey) {
    if (!actionNameKey) { return []; }

    const a = this.findAction(actionNameKey);
    return a ? a.words : [];
  },

  @computed('actionNameKey')
  actionDescription(actionNameKey) {
    return I18n.t('admin.watched_words.action_descriptions.' + actionNameKey);
  },

  @computed('actionNameKey', 'adminWatchedWords.model')
  wordCount(actionNameKey) {
    const a = this.findAction(actionNameKey);
    return a ? a.words.length : 0;
  },

  actions: {
    recordAdded(arg) {
      const a = this.findAction(this.get('actionNameKey'));
      if (a) {
        a.words.unshiftObject(arg);
        a.incrementProperty('count');
        Em.run.schedule('afterRender', () => {
          // remove from other actions lists
          let match = null;
          this.get('adminWatchedWords.model').forEach(action => {
            if (match) return;

            if (action.nameKey !== this.get('actionNameKey')) {
              match = action.words.findBy('id', arg.id);
              if (match) {
                action.words.removeObject(match);
                action.decrementProperty('count');
              }
            }
          });
        });
      }
    },

    recordRemoved(arg) {
      const a = this.findAction(this.get('actionNameKey'));
      if (a) {
        a.words.removeObject(arg);
        a.decrementProperty('count');
      }
    },

    uploadComplete() {
      WatchedWord.findAll().then(data => {
        this.set('adminWatchedWords.model', data);
      });
    }
  }

});