'use strict';

const Deploy = require('../../../../lib/plugins/deploy');
const Serverless = require('../../../../lib/serverless');
const sinon = require('sinon');
const chai = require('chai');
chai.use(require('chai-as-promised'));

const expect = chai.expect;

describe('Deploy', () => {
  let deploy;
  let serverless;
  let options;

  beforeEach(() => {
    serverless = new Serverless({ commands: [], options: {} });
    options = {};
    deploy = new Deploy(serverless, options);
    deploy.serverless.providers = { validProvider: true };
    deploy.serverless.service.provider.name = 'validProvider';
  });

  describe('#constructor()', () => {
    it('should have commands', () => expect(deploy.commands).to.be.not.empty);
    it('should have hooks', () => expect(deploy.hooks).to.be.not.empty);
    it('should work without options', () => {
      const noOptionDeploy = new Deploy(serverless);
      expect(noOptionDeploy).to.have.property('options').to.be.eql({});
    });
  });

  describe('"before:deploy:deploy" hook', () => {
    let spawnStub;
    let spawnPackageStub;
    let spawnDeployFunctionStub;

    beforeEach(() => {
      spawnStub = sinon.stub(serverless.pluginManager, 'spawn');
      spawnPackageStub = spawnStub.withArgs('package').resolves();
      spawnDeployFunctionStub = spawnStub.withArgs('deploy:function').resolves();
    });

    afterEach(() => {
      serverless.pluginManager.spawn.restore();
    });

    it('should resolve if the package option is set', async () => {
      deploy.options.package = false;
      deploy.serverless.service.package.path = 'some_path';

      await deploy.hooks['before:deploy:deploy']();

      expect(spawnPackageStub.called).to.be.false;
    });

    it('should resolve if the service package path is set', async () => {
      deploy.options.package = 'some_path';
      deploy.serverless.service.package.path = false;

      await deploy.hooks['before:deploy:deploy']();

      expect(spawnPackageStub.called).to.be.false;
    });

    it('should use the default packaging mechanism if no packaging config is provided', async () => {
      deploy.options.package = false;
      deploy.serverless.service.package.path = false;

      await deploy.hooks['before:deploy:deploy']();

      expect(spawnDeployFunctionStub.called).to.be.false;
      expect(spawnPackageStub.calledOnce).to.be.true;
      expect(spawnPackageStub.calledWithExactly('package')).to.be.true;
    });

    it('should throw an error if provider does not exist', async () => {
      deploy.serverless.service.provider.name = 'nonExistentProvider';

      return expect(deploy.hooks['before:deploy:deploy']()).to.eventually.be.rejectedWith(
        'The specified provider "nonExistentProvider" does not exist.'
      );
    });
  });
});