'use strict';

const chai = require('chai');
const sinon = require('sinon');
const proxyquire = require('proxyquire');

chai.use(require('chai-as-promised'));

const expect = chai.expect;

describe('logEventGateway', () => {
  let logStub;
  let logEventGateway;

  beforeEach(() => {
    logStub = sinon.stub();
    logEventGateway = proxyquire('./logEventGateway', {
      './log': logStub,
    });
  });

  it('format and log function added', () => {
    logEventGateway(
      JSON.stringify({
        level: 'DEBUG',
        msg: 'Function registered.',
        functionId: 's1-f1',
        type: 'http',
      })
    );
    expect(logStub.calledOnce).to.be.equal(true);
    const expected = " Event Gateway  Function 's1-f1' registered\n";
    expect(logStub.getCall(0).args[0]).to.be.equal(expected);
  });

  it('format and log event received', () => {
    logEventGateway(
      JSON.stringify({
        level: 'debug',
        ts: 1502464166.8101041,
        msg: 'Event received.',
        event:
          '{"headers":{"Accept":["image/webp,image/apng,image/*,*/*;q=0.8"],"Accept-Encoding":["gzip, deflate, br"],"Accept-Language":["en-US,en;q=0.8"],"Cache-Control":["no-cache"],"Connection":["keep-alive"],"Pragma":["no-cache"],"Referer":["http://localhost:4000/"],"User-Agent":["Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36"]},"query":{},"body":""}',
        path: '/favicon.ico',
        method: 'GET',
      })
    );
    expect(logStub.calledOnce).to.be.equal(true);
    const expected = // eslint-disable-next-line max-len
      ' Event Gateway  Event \'undefined\' received:\n\n  {\n    "headers": {\n      "Accept": [\n        "image/webp,image/apng,image/*,*/*;q=0.8"\n      ],\n      "Accept-Encoding": [\n        "gzip, deflate, br"\n      ],\n      "Accept-Language": [\n        "en-US,en;q=0.8"\n      ],\n      "Cache-Control": [\n        "no-cache"\n      ],\n      "Connection": [\n        "keep-alive"\n      ],\n      "Pragma": [\n        "no-cache"\n      ],\n      "Referer": [\n        "http://localhost:4000/"\n      ],\n      "User-Agent": [\n        "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.115 Safari/537.36"\n      ]\n    },\n    "query": {},\n    "body": ""\n  }\n\n';
    expect(logStub.getCall(0).args[0]).to.be.equal(expected);
  });
});