import Ember from 'ember';

function isPublic(name) {
  if ( (name||'').trim().replace(/^https?:\/\//,'').match(/^(localhost|192\.168\.|172\.1[6789]\.|172\.2[0123456789]\.|172\.3[01]\.|10\.)/) )
  {
    return false;
  }

  return true;
}

export default Ember.Component.extend({
  endpoint: Ember.inject.service(),

  customRadio: null,
  customValue: '',

  thisPage: null,

  actions: {
    sendActiveValue: function(value) {
      this.sendAction('sendActiveValue', value);
    }
  },

  didInitAttrs: function() {
    var thisPage = window.location.origin;
    var endpoint = this.get('endpoint.origin');
    var isDifferent = endpoint !== thisPage;

    this.set('thisPage', thisPage);

    if ( endpoint !== thisPage )
    {
      this.set('customValue', endpoint);
    }

    var value = this.get('host');

    if ( value )
    {
      if ( value === thisPage )
      {
        this.set('customValue', '');
        this.set('customRadio', 'no');
      }
      else
      {
        this.set('customValue', value);
        this.set('customRadio', 'yes');
      }
    }
    else if ( isDifferent )
    {
      // for some reason the activeValueObserver doesnt recognize setting this value unless
      // we run with ember.run.next
      Ember.run.next(() => {
        this.set('customValue', endpoint);
        this.set('customRadio', 'yes');
      });
    }
    else
    {
      this.set('customValue', '');
      this.set('customRadio', 'no');
    }
  },


  looksPublic: function() {
    return isPublic(this.get('activeValue'));
  }.property('activeValue'),

  parseActiveValue: function(value) {
    var out;
    if ( this.get('customRadio') === 'yes' )
    {
      out = value.trim();
    }
    else
    {
      out = this.get('thisPage');
    }
    return out;
  },

  activeValueObserver: function() {
    this.send('sendActiveValue', this.parseActiveValue(this.get('customValue')));
  }.observes('customRadio','customValue','thisPage'),


  activeValue: function() {
    return this.parseActiveValue(this.get('customValue'));
  }.property('customRadio','customValue','thisPage'),

  customValueDidChange: function() {
    var val = this.get('customValue')||''.trim();
    var idx = val.indexOf('/', 8); // 8 is enough for "https://"
    if ( idx !== -1 )
    {
      // Trim paths off of the URL
      this.set('customValue', val.substr(0,idx));
      return;  // We'll be back...
    }

    if ( val )
    {
      this.set('customRadio','yes');
    }
  }.observes('customValue'),

});