// need to subtract 2 from source maps
import 'source-map-support/register';

import chai from 'chai';
import fs from 'fs';
import os from 'os';
import path from 'path';
import convertToIcns from './../../lib/helpers/convertToIcns';

const { assert } = chai;

// Prerequisite for test: to use OSX with sips, iconutil and imagemagick convert

function testConvertPng(pngName, done) {
  convertToIcns(path.join(__dirname, '../../', 'test-resources', pngName), (error, icnsPath) => {
    if (error) {
      done(error);
      return;
    }

    const stat = fs.statSync(icnsPath);
    assert.isTrue(stat.isFile(), 'Output icns file should be a path');
    done();
  });
}

describe('Get Icon Module', () => {
  it('Can convert icons', () => {
    if (os.platform() !== 'darwin') {
      console.warn('Skipping png conversion tests, OSX is required');
      return;
    }

    it('Can convert a rgb png to icns', (done) => {
      testConvertPng('iconSample.png', done);
    });

    it('Can convert a grey png to icns', (done) => {
      testConvertPng('iconSampleGrey.png', done);
    });
  });
});