import StringBuffer from 'discourse/mixins/string-buffer';

export default Ember.Component.extend(StringBuffer, {
  classNames: ['topic-statuses'],

  rerenderTriggers: ['topic.archived', 'topic.closed', 'topic.pinned', 'topic.visible', 'topic.unpinned', 'topic.is_warning'],

  click: function() {
    var topic = this.get('topic');

    // only pin unpin for now
    if (topic.get('pinned')) {
      topic.clearPin();
    } else {
      topic.rePin();
    }

    return false;
  },

  canAct: function() {
    return Discourse.User.current() && !this.get('disableActions');
  }.property('disableActions'),

  renderString: function(buffer) {

    var self = this;

    var renderIconIf = function(conditionProp, name, key, actionable) {
      if (!self.get(conditionProp)) { return; }
      var title = Handlebars.Utils.escapeExpression(I18n.t("topic_statuses." + key + ".help"));
      var startTag = actionable ? "a href" : "span";
      var endTag = actionable ? "a" : "span";

      buffer.push("<" + startTag + " title='" + title + "' class='topic-status'><i class='fa fa-" + name + "'></i></" + endTag + ">");
    };

    renderIconIf('topic.is_warning', 'envelope', 'warning');
    renderIconIf('topic.closed', 'lock', 'locked');
    renderIconIf('topic.archived', 'lock', 'archived');
    renderIconIf('topic.pinned', 'thumb-tack', 'pinned', self.get("canAct") );
    renderIconIf('topic.unpinned', 'thumb-tack unpinned', 'unpinned', self.get("canAct"));
    renderIconIf('topic.invisible', 'eye-slash', 'invisible');
  }
});