import Ember from 'ember';

const CC_LICENCE_URL_REGEXP = /http:\/\/creativecommons\.org\/licenses\/([byndsac-]+)\/([\d\.]+)\//; // eslint-disable-line no-useless-escape

const CC_LICENCE_TEXT = {

  'by': 'Attribution',

  'by-nd': 'Attribution - Pas de Modification',

  'by-sa': 'Attribution - Partage dans les Mêmes Conditions',

  'by-nc': 'Attribution - Pas d’Utilisation Commerciale',

  'by-nc-nd': 'Attribution - Pas d\'Utilisation Commerciale - Pas de Modification',

  'by-nc-sa': 'Attribution - Pas d\'Utilisation Commerciale - Partage dans les Mêmes Conditions'

};

export default Ember.Component.extend({

  tagName: 'span',

  code: Ember.computed('matches', function() {

    return this.get('matches')[1];

  }),

  version: Ember.computed('matches', function() {

    return this.get('matches')[2];

  }),

  matches: Ember.computed('url', function() {

    const url = this.get('url');

    if(!url) {

      return [url,'by', '4.0'];

    }

    let m = url.match(CC_LICENCE_URL_REGEXP);

    if(m === null || m.length !== 3) {

      return [url,'by', '4.0'];

    }

    return m;

  }),

  text: Ember.computed('code', function() {

    const code = this.get('code');

    return CC_LICENCE_TEXT[code];

  })

});