const crypto = require('crypto');
const test = require('tap').test;
const zlib = require('zlib');
const http = require('http');

global.self = {};
require('../../dist/web/scratch-storage');

const port = 8071;
const svgData = `<?xml version="1.0"?>
<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg">
  <circle fill="#F00" cx="50" cy="50" r="30"/>
</svg>
`;

test('loadGzippedAsset', t => {
    const server = http.createServer((request, response) => {
        const raw = zlib.gzipSync(svgData);
        response.writeHead(200, {'Content-Encoding': 'gzip'});
        response.end(raw);
    }).listen(port);

    const storage = new self.Scratch.Storage();
    storage.addWebSource(
        [storage.AssetType.ImageVector],
        () => `http://localhost:${port}`
    );

    const assetType = storage.AssetType.ImageVector;
    const id = '8e768a5a5a01891b05c01c9ca15eb6aa';

    const promise = storage.load(assetType, id);
    t.type(promise, 'Promise');

    promise.then(asset => {
        t.type(asset, storage.Asset);
        t.strictEqual(asset.assetType, assetType);
        t.strictEqual(asset.assetId, id);

        const hash = crypto.createHash('md5');
        hash.update(asset.data);
        t.strictEqual(hash.digest('hex'), id);

        server.close();
    });

    return promise;
});