import {getManifestObjects, GREEN_LABEL_VALUE} from './blueGreenHelper'
import {
   deployBlueGreenIngress,
   getUpdatedBlueGreenIngress,
   isIngressRouted,
   routeBlueGreenIngress
} from './ingressBlueGreenHelper'
import {Kubectl} from '../../types/kubectl'
import * as fileHelper from '../../utilities/fileUtils'

jest.mock('../../types/kubectl')

describe('ingress blue green helpers', () => {
   let testObjects
   const betaFilepath = ['test/unit/manifests/test-ingress.yml']
   const ingressFilepath = ['test/unit/manifests/test-ingress-new.yml']

   beforeEach(() => {
      //@ts-ignore
      Kubectl.mockClear()
      testObjects = getManifestObjects(ingressFilepath)
      jest
         .spyOn(fileHelper, 'writeObjectsToFile')
         .mockImplementationOnce(() => [''])
   })

   test('it should correctly classify ingresses', () => {
      expect(
         isIngressRouted(
            testObjects.ingressEntityList[0],
            testObjects.serviceNameMap
         )
      ).toBe(true)
      testObjects.ingressEntityList[0].spec.rules[0].http.paths = {}
      expect(
         isIngressRouted(
            testObjects.ingressEntityList[0],
            testObjects.serviceNameMap
         )
      ).toBe(false)

      expect(
         isIngressRouted(
            getManifestObjects(betaFilepath).ingressEntityList[0],
            testObjects.serviceNameMap
         )
      ).toBe(true)
   })

   test('it should correctly update ingresses', () => {
      const updatedIng = getUpdatedBlueGreenIngress(
         testObjects.ingressEntityList[0],
         testObjects.serviceNameMap,
         GREEN_LABEL_VALUE
      )
      //@ts-ignore
      expect(updatedIng.metadata.labels['k8s.deploy.color']).toBe('green')
      //@ts-ignore
      expect(updatedIng.spec.rules[0].http.paths[0].backend.service.name).toBe(
         'nginx-service-green'
      )
   })

   test('correctly prepares blue/green ingresses for deployment', () => {
      const kc = new Kubectl('')
      const generatedObjects = routeBlueGreenIngress(
         kc,
         GREEN_LABEL_VALUE,
         testObjects.serviceNameMap,
         testObjects.ingressEntityList
      )
      generatedObjects.then((value) => {
         expect(value).toHaveLength(1)
         //@ts-ignore
         expect(value[0].metadata.name).toBe('nginx-ingress')
      })
   })
   test('correctly deploys services', () => {
      const kc = new Kubectl('')
      const result = deployBlueGreenIngress(kc, ingressFilepath)

      result.then((value) => {
         const nol = value.newObjectsList
         //@ts-ignore
         expect(nol[0].metadata.name).toBe('nginx-service-green')
      })
   })
})