var request = require('supertest');
request = request('http://127.0.0.1:8080');

const serverName = randomString();
const streamTitle = randomString();
const serverSummary = randomString();
const pageContent = `<p>${randomString()}</p>`;
const tags = [randomString(), randomString(), randomString()];
const latencyLevel = Math.floor(Math.random() * 4);

const streamOutputVariants = {
  videoBitrate: randomNumber() * 100,
  framerate: 42,
  cpuUsageLevel: 2,
  scaledHeight: randomNumber() * 100,
  scaledWidth: randomNumber() * 100,
};
const socialHandles = [
  {
    url: 'http://facebook.org/' + randomString(),
    platform: randomString(),
  },
];

const s3Config = {
  enabled: true,
  endpoint: 'http://' + randomString(),
  accessKey: randomString(),
  secret: randomString(),
  bucket: randomString(),
  region: randomString(),
  forcePathStyle: true,
};

const forbiddenUsernames = [randomString(), randomString(), randomString()];

test('set server name', async (done) => {
  const res = await sendConfigChangeRequest('name', serverName);
  done();
});

test('set stream title', async (done) => {
  const res = await sendConfigChangeRequest('streamtitle', streamTitle);
  done();
});

test('set server summary', async (done) => {
  const res = await sendConfigChangeRequest('serversummary', serverSummary);
  done();
});

test('set extra page content', async (done) => {
  const res = await sendConfigChangeRequest('pagecontent', pageContent);
  done();
});

test('set tags', async (done) => {
  const res = await sendConfigChangeRequest('tags', tags);
  done();
});

test('set latency level', async (done) => {
  const res = await sendConfigChangeRequest(
    'video/streamlatencylevel',
    latencyLevel
  );
  done();
});

test('set video stream output variants', async (done) => {
  const res = await sendConfigChangeRequest('video/streamoutputvariants', [
    streamOutputVariants,
  ]);
  done();
});

test('set social handles', async (done) => {
  const res = await sendConfigChangeRequest('socialhandles', socialHandles);
  done();
});

test('set s3 configuration', async (done) => {
  const res = await sendConfigChangeRequest('s3', s3Config);
  done();
});

test('set forbidden usernames', async (done) => {
  const res = await sendConfigChangeRequest('chat/forbiddenusernames', forbiddenUsernames);
  done();
});

test('verify updated config values', async (done) => {
  const res = await request.get('/api/config');
  expect(res.body.name).toBe(serverName);
  expect(res.body.streamTitle).toBe(streamTitle);
  expect(res.body.summary).toBe(`<p>${serverSummary}</p>`);
  expect(res.body.extraPageContent).toBe(pageContent);
  expect(res.body.logo).toBe('/logo');
  expect(res.body.socialHandles).toStrictEqual(socialHandles);
  done();
});

// Test that the raw video details being broadcasted are coming through
test('stream details are correct', (done) => {
  request
    .get('/api/admin/status')
    .auth('admin', 'abc123')
    .expect(200)
    .then((res) => {
      expect(res.body.broadcaster.streamDetails.width).toBe(320);
      expect(res.body.broadcaster.streamDetails.height).toBe(180);
      expect(res.body.broadcaster.streamDetails.framerate).toBe(24);
      expect(res.body.broadcaster.streamDetails.videoBitrate).toBe(1269);
      expect(res.body.broadcaster.streamDetails.videoCodec).toBe('H.264');
      expect(res.body.broadcaster.streamDetails.audioCodec).toBe('AAC');
      expect(res.body.online).toBe(true);
      done();
    });
});

test('admin configuration is correct', (done) => {
  request
    .get('/api/admin/serverconfig')
    .auth('admin', 'abc123')
    .expect(200)
    .then((res) => {
      expect(res.body.instanceDetails.name).toBe(serverName);
      expect(res.body.instanceDetails.summary).toBe(serverSummary);
      expect(res.body.instanceDetails.tags).toStrictEqual(tags);
      expect(res.body.instanceDetails.socialHandles).toStrictEqual(
        socialHandles
      );
      expect(res.body.forbiddenUsernames).toStrictEqual(forbiddenUsernames);

      expect(res.body.videoSettings.latencyLevel).toBe(latencyLevel);
      expect(res.body.videoSettings.videoQualityVariants[0].framerate).toBe(
        streamOutputVariants.framerate
      );
      expect(res.body.videoSettings.videoQualityVariants[0].cpuUsageLevel).toBe(
        streamOutputVariants.cpuUsageLevel
      );

      expect(res.body.yp.enabled).toBe(false);
      expect(res.body.streamKey).toBe('abc123');

      expect(res.body.s3.enabled).toBe(s3Config.enabled);
      expect(res.body.s3.endpoint).toBe(s3Config.endpoint);
      expect(res.body.s3.accessKey).toBe(s3Config.accessKey);
      expect(res.body.s3.secret).toBe(s3Config.secret);
      expect(res.body.s3.bucket).toBe(s3Config.bucket);
      expect(res.body.s3.region).toBe(s3Config.region);
      expect(res.body.s3.forcePathStyle).toBeTruthy();
      done();
    });
});

test('frontend configuration is correct', (done) => {
  request
    .get('/api/config')
    .expect(200)
    .then((res) => {
      expect(res.body.name).toBe(serverName);
      expect(res.body.logo).toBe('/logo');
      expect(res.body.socialHandles).toStrictEqual(socialHandles);
      done();
    });
});

async function sendConfigChangeRequest(endpoint, value) {
  const url = '/api/admin/config/' + endpoint;
  const res = await request
    .post(url)
    .auth('admin', 'abc123')
    .send({ value: value })
    .expect(200);

  expect(res.body.success).toBe(true);
  return res;
}

async function sendConfigChangePayload(endpoint, payload) {
  const url = '/api/admin/config/' + endpoint;
  const res = await request
    .post(url)
    .auth('admin', 'abc123')
    .send(payload)
    .expect(200);

  expect(res.body.success).toBe(true);

  return res;
}

function randomString(length = 20) {
  return Math.random().toString(16).substr(2, length);
}

function randomNumber() {
  return Math.floor(Math.random() * 5);
}