const { PathFactory } = require('ldflex');
const { default: ComunicaEngine } = require('@ldflex/comunica');
const { namedNode } = require('@rdfjs/data-model');

// The JSON-LD context for resolving properties
const context = {
  "@context": {
    "@base" : "https://raw.githubusercontent.com/polifonia-project/sonar2021_demo/develop/src/assets/data/data.v2.json",
    "@vocab": "https://w3id.org/polifonia/ON/musical-performance/",
    "label": "http://www.w3.org/2000/01/rdf-schema#label"
  },

};


// remote source
const source = 'https://raw.githubusercontent.com/polifonia-project/sonar2021_demo/develop/src/assets/data/data.v2.json'


// The query engine and its source
const queryEngine = new ComunicaEngine(source);
// The object that can create new paths
const path = new PathFactory({ context, queryEngine });


// an example resource in the document
const recording1 = path.create({ subject: namedNode('https://w3id.org/polifonia/resource/Recording/00001') })


showRecording(recording1)


async function showRecording(rec) {
    console.log(`Resource is: ${await rec.label}`)
}