text: import _ from 'lodash-es';
  import angular from 'angular';
  import PortainerError from 'Portainer/error';
  
  import {
    KubernetesApplication,
    KubernetesApplicationDeploymentTypes,
    KubernetesApplicationPublishingTypes,
    KubernetesApplicationTypes,
  } from 'Kubernetes/models/application/models';
  import KubernetesApplicationHelper from 'Kubernetes/helpers/application';
  import KubernetesApplicationRollbackHelper from 'Kubernetes/helpers/application/rollback';
  import KubernetesApplicationConverter from 'Kubernetes/converters/application';
  import { KubernetesDeployment } from 'Kubernetes/models/deployment/models';
  import { KubernetesStatefulSet } from 'Kubernetes/models/stateful-set/models';
  import { KubernetesDaemonSet } from 'Kubernetes/models/daemon-set/models';
  import KubernetesServiceHelper from 'Kubernetes/helpers/serviceHelper';
  import { KubernetesHorizontalPodAutoScalerHelper } from 'Kubernetes/horizontal-pod-auto-scaler/helper';
  import { KubernetesHorizontalPodAutoScalerConverter } from 'Kubernetes/horizontal-pod-auto-scaler/converter';
  import { KubernetesIngressConverter } from 'Kubernetes/ingress/converter';
  import KubernetesPodConverter from 'Kubernetes/pod/converter';
  
  class KubernetesApplicationService {
    /* #region  CONSTRUCTOR */
    /* @ngInject */
    constructor(
      $async,
      Authentication,
      KubernetesDeploymentService,
      KubernetesDaemonSetService,
      KubernetesStatefulSetService,
      KubernetesServiceService,
      KubernetesSecretService,
      KubernetesPersistentVolumeClaimService,
      KubernetesNamespaceService,
      KubernetesPodService,
      KubernetesHistoryService,
      KubernetesHorizontalPodAutoScalerService,
      KubernetesIngressService
    ) {
      this.$async = $async;
      this.Authentication = Authentication;
      this.KubernetesDeploymentService = KubernetesDeploymentService;
      this.KubernetesDaemonSetService = KubernetesDaemonSetService;
      this.KubernetesStatefulSetService = KubernetesStatefulSetService;
      this.KubernetesServiceService = KubernetesServiceService;
      this.KubernetesSecretService = KubernetesSecretService;
      this.KubernetesPersistentVolumeClaimService = KubernetesPersistentVolumeClaimService;
      this.KubernetesNamespaceService = KubernetesNamespaceService;
      this.KubernetesPodService = KubernetesPodService;
      this.KubernetesHistoryService = KubernetesHistoryService;
      this.KubernetesHorizontalPodAutoScalerService = KubernetesHorizontalPodAutoScalerService;
      this.KubernetesIngressService = KubernetesIngressService;
  
      this.getAsync = this.getAsync.bind(this);
      this.getAllAsync = this.getAllAsync.bind(this);
      this.createAsync = this.createAsync.bind(this);
      this.patchAsync = this.patchAsync.bind(this);
      this.patchPartialAsync = this.patchPartialAsync.bind(this);
      this.rollbackAsync = this.rollbackAsync.bind(this);
      this.deleteAsync = this.deleteAsync.bind(this);
    }
    /* #endregion */
  
    /* #region  UTILS */
    _getApplicationApiService(app) {
      let apiService;
      if (app instanceof KubernetesDeployment || (app instanceof KubernetesApplication && app.ApplicationType === KubernetesApplicationTypes.DEPLOYMENT)) {
        apiService = this.KubernetesDeploymentService;
      } else if (app instanceof KubernetesDaemonSet || (app instanceof KubernetesApplication && app.ApplicationType === KubernetesApplicationTypes.DAEMONSET)) {
        apiService = this.KubernetesDaemonSetService;
      } else if (app instanceof KubernetesStatefulSet || (app instanceof KubernetesApplication && app.ApplicationType === KubernetesApplicationTypes.STATEFULSET)) {
        apiService = this.KubernetesStatefulSetService;
      } else if (app instanceof KubernetesApplication && app.ApplicationType === KubernetesApplicationTypes.POD) {
        apiService = this.KubernetesPodService;
      } else {
        throw new PortainerError('Unable to determine which association to use to retrieve API Service');
      }
      return apiService;
    }
  
    _generateIngressPatchPromises(oldIngresses, newIngresses) {
      return _.map(newIngresses, (newIng) => {
        const oldIng = _.find(oldIngresses, { Name: newIng.Name });
        return this.KubernetesIngressService.patch(oldIng, newIng);
      });
    }
    /* #endregion */
  
    /* #region  GET */
    async getAsync(namespace, name) {
      try {
        const [deployment, daemonSet, statefulSet, pod, pods, autoScalers, ingresses] = await Promise.allSettled([
          this.KubernetesDeploymentService.get(namespace, name),
          this.KubernetesDaemonSetService.get(namespace, name),
          this.KubernetesStatefulSetService.get(namespace, name),
          this.KubernetesPodService.get(namespace, name),
          this.KubernetesPodService.get(namespace),
          this.KubernetesHorizontalPodAutoScalerService.get(namespace),
          this.KubernetesIngressService.get(namespace),
        ]);
  
        // const pod = _.find(pods.value, ['metadata.namespace', namespace, 'metadata.name', name]);
  
        let rootItem;
        let converterFunc;
        if (deployment.status === 'fulfilled') {
          rootItem = deployment;
          converterFunc = KubernetesApplicationConverter.apiDeploymentToApplication;
        } else if (daemonSet.status === 'fulfilled') {
          rootItem = daemonSet;
          converterFunc = KubernetesApplicationConverter.apiDaemonSetToApplication;
        } else if (statefulSet.status === 'fulfilled') {
          rootItem = statefulSet;
          converterFunc = KubernetesApplicationConverter.apiStatefulSetToapplication;
        } else if (pod.status === 'fulfilled') {
          rootItem = pod;
          converterFunc = KubernetesApplicationConverter.apiPodToApplication;
        } else {
          throw new PortainerError('Unable to determine which association to use to convert application');
        }
  
        const services = await this.KubernetesServiceService.get(namespace);
        const boundService = KubernetesServiceHelper.findApplicationBoundService(services, rootItem.value.Raw);
        const service = boundService ? await this.KubernetesServiceService.get(namespace, boundService.metadata.name) : {};
  
        const application = converterFunc(rootItem.value.Raw, pods.value, service.Raw, ingresses.value);
        application.Yaml = rootItem.value.Yaml;
        application.Raw = rootItem.value.Raw;
        application.Pods = _.map(application.Pods, (item) => KubernetesPodConverter.apiToModel(item));
        application.Containers = KubernetesApplicationHelper.associateContainersAndApplication(application);
  
        const boundScaler = KubernetesHorizontalPodAutoScalerHelper.findApplicationBoundScaler(autoScalers.value, application);
        const scaler = boundScaler ? await this.KubernetesHorizontalPodAutoScalerService.get(namespace, boundScaler.Name) : undefined;
        application.AutoScaler = scaler;
  
        await this.KubernetesHistoryService.get(application);
  
        if (service.Yaml) {
          application.Yaml += '---\n' + service.Yaml;
        }
        if (scaler && scaler.Yaml) {
          application.Yaml += '---\n' + scaler.Yaml;
        }
        // TODO: refactor @LP
        // append ingress yaml ?
        return application;
      } catch (err) {
        throw err;
      }
    }
  
    async getAllAsync(namespace) {
      try {
        const namespaces = namespace ? [namespace] : _.map(await this.KubernetesNamespaceService.get(), 'Name');
  
        const convertToApplication = (item, converterFunc, services, pods, ingresses) => {
          const service = KubernetesServiceHelper.findApplicationBoundService(services, item);
          const application = converterFunc(item, pods, service, ingresses);
          application.Containers = KubernetesApplicationHelper.associateContainersAndApplication(application);
          return application;
        };
  
        const res = await Promise.all(
          _.map(namespaces, async (ns) => {
            const [deployments, daemonSets, statefulSets, services, pods, ingresses, autoScalers] = await Promise.all([
              this.KubernetesDeploymentService.get(ns),
              this.KubernetesDaemonSetService.get(ns),
              this.KubernetesStatefulSetService.get(ns),
              this.KubernetesServiceService.get(ns),
              this.KubernetesPodService.get(ns),
              this.KubernetesIngressService.get(ns),
              this.KubernetesHorizontalPodAutoScalerService.get(ns),
            ]);
  
            const deploymentApplications = _.map(deployments, (item) =>
              convertToApplication(item, KubernetesApplicationConverter.apiDeploymentToApplication, services, pods, ingresses)
            );
            const daemonSetApplications = _.map(daemonSets, (item) =>
              convertToApplication(item, KubernetesApplicationConverter.apiDaemonSetToApplication, services, pods, ingresses)
            );
            const statefulSetApplications = _.map(statefulSets, (item) =>
              convertToApplication(item, KubernetesApplicationConverter.apiStatefulSetToapplication, services, pods, ingresses)
            );
  
            const boundPods = _.concat(_.flatMap(deploymentApplications, 'Pods'), _.flatMap(daemonSetApplications, 'Pods'), _.flatMap(statefulSetApplications, 'Pods'));
            const unboundPods = _.without(pods, ...boundPods);
            const nakedPodsApplications = _.map(unboundPods, (item) => convertToApplication(item, KubernetesApplicationConverter.apiPodToApplication, services, pods, ingresses));
  
            const applications = _.concat(deploymentApplications, daemonSetApplications, statefulSetApplications, nakedPodsApplications);
            _.forEach(applications, (app) => {
              app.Pods = _.map(app.Pods, (item) => KubernetesPodConverter.apiToModel(item));
            });
            await Promise.all(
              _.forEach(applications, async (application) => {
                const boundScaler = KubernetesHorizontalPodAutoScalerHelper.findApplicationBoundScaler(autoScalers, application);
                const scaler = boundScaler ? await this.KubernetesHorizontalPodAutoScalerService.get(ns, boundScaler.Name) : undefined;
                application.AutoScaler = scaler;
              })
            );
            return applications;
          })
        );
        return _.flatten(res);
      } catch (err) {
        throw err;
      }
    }
  
    get(namespace, name) {
      if (name) {
        return this.$async(this.getAsync, namespace, name);
      }
      return this.$async(this.getAllAsync, namespace);
    }
    /* #endregion */
  
    /* #region  CREATE */
    // TODO: review
    // resource creation flow
    // should we keep formValues > Resource_1 || Resource_2
    // or should we switch to formValues > Composite > Resource_1 || Resource_2
    /**
     * NOTE: Keep this method flow in sync with `getCreatedApplicationResources` method in the `applicationService` file
     *    To synchronise with kubernetes resource creation summary output, any new resources created in this method should
     *    also be displayed in the summary output (getCreatedApplicationResources)
     */
    async createAsync(formValues) {
      try {
        let [app, headlessService, service, claims] = KubernetesApplicationConverter.applicationFormValuesToApplication(formValues);
  
        if (service) {
          await this.KubernetesServiceService.create(service);
          if (formValues.PublishingType === KubernetesApplicationPublishingTypes.INGRESS) {
            const ingresses = KubernetesIngressConverter.applicationFormValuesToIngresses(formValues, service.Name);
            await Promise.all(this._generateIngressPatchPromises(formValues.OriginalIngresses, ingresses));
          }
        }
  
        const apiService = this._getApplicationApiService(app);
  
        if (app instanceof KubernetesStatefulSet) {
          app.VolumeClaims = claims;
          headlessService = await this.KubernetesServiceService.create(headlessService);
          app.ServiceName = headlessService.metadata.name;
        } else {
          const claimPromises = _.map(claims, (item) => {
            if (!item.PreviousName && !item.Id) {
              return this.KubernetesPersistentVolumeClaimService.create(item);
            }
          });
          await Promise.all(_.without(claimPromises, undefined));
        }
  
        if (formValues.AutoScaler.IsUsed && formValues.DeploymentType !== KubernetesApplicationDeploymentTypes.GLOBAL) {
          const kind = KubernetesHorizontalPodAutoScalerHelper.getApplicationTypeString(app);
          const autoScaler = KubernetesHorizontalPodAutoScalerConverter.applicationFormValuesToModel(formValues, kind);
          await this.KubernetesHorizontalPodAutoScalerService.create(autoScaler);
        }
  
        await apiService.create(app);
      } catch (err) {
        throw err;
      }
    }
  
    create(formValues) {
      return this.$async(this.createAsync, formValues);
    }
    /* #endregion */
  
    /* #region  PATCH */
    // this function accepts KubernetesApplicationFormValues as parameters
    /**
     * NOTE: Keep this method flow in sync with `getUpdatedApplicationResources` method in the `applicationService` file
     *    To synchronise with kubernetes resource creation, update and delete summary output, any new resources created
     *    in this method should also be displayed in the summary output (getUpdatedApplicationResources)
     */
    async patchAsync(oldFormValues, newFormValues) {
      try {
        const [oldApp, oldHeadlessService, oldService, oldClaims] = KubernetesApplicationConverter.applicationFormValuesToApplication(oldFormValues);
        const [newApp, newHeadlessService, newService, newClaims] = KubernetesApplicationConverter.applicationFormValuesToApplication(newFormValues);
        const oldApiService = this._getApplicationApiService(oldApp);
        const newApiService = this._getApplicationApiService(newApp);
  
        if (oldApiService !== newApiService) {
          await this.delete(oldApp);
          if (oldService) {
            await this.KubernetesServiceService.delete(oldService);
          }
          return await this.create(newFormValues);
        }
  
        if (newApp instanceof KubernetesStatefulSet) {
          await this.KubernetesServiceService.patch(oldHeadlessService, newHeadlessService);
        } else {
          const claimPromises = _.map(newClaims, (newClaim) => {
            if (!newClaim.PreviousName && !newClaim.Id) {
              return this.KubernetesPersistentVolumeClaimService.create(newClaim);
            } else if (!newClaim.Id) {
              const oldClaim = _.find(oldClaims, { Name: newClaim.PreviousName });
              return this.KubernetesPersistentVolumeClaimService.patch(oldClaim, newClaim);
            }
          });
          await Promise.all(claimPromises);
        }
  
        await newApiService.patch(oldApp, newApp);
  
        if (oldService && newService) {
          await this.KubernetesServiceService.patch(oldService, newService);
          if (newFormValues.PublishingType === KubernetesApplicationPublishingTypes.INGRESS || oldFormValues.PublishingType === KubernetesApplicationPublishingTypes.INGRESS) {
            const oldIngresses = KubernetesIngressConverter.applicationFormValuesToIngresses(oldFormValues, oldService.Name);
            const newIngresses = KubernetesIngressConverter.applicationFormValuesToIngresses(newFormValues, newService.Name);
            await Promise.all(this._generateIngressPatchPromises(oldIngresses, newIngresses));
          }
        } else if (!oldService && newService) {
          await this.KubernetesServiceService.create(newService);
          if (newFormValues.PublishingType === KubernetesApplicationPublishingTypes.INGRESS) {
            const ingresses = KubernetesIngressConverter.applicationFormValuesToIngresses(newFormValues, newService.Name);
            await Promise.all(this._generateIngressPatchPromises(newFormValues.OriginalIngresses, ingresses));
          }
        } else if (oldService && !newService) {
          await this.KubernetesServiceService.delete(oldService);
          if (oldFormValues.PublishingType === KubernetesApplicationPublishingTypes.INGRESS) {
            const ingresses = KubernetesIngressConverter.applicationFormValuesToIngresses(newFormValues, oldService.Name);
            await Promise.all(this._generateIngressPatchPromises(oldFormValues.OriginalIngresses, ingresses));
          }
        }
  
        const newKind = KubernetesHorizontalPodAutoScalerHelper.getApplicationTypeString(newApp);
        const newAutoScaler = KubernetesHorizontalPodAutoScalerConverter.applicationFormValuesToModel(newFormValues, newKind);
        if (!oldFormValues.AutoScaler.IsUsed) {
          if (newFormValues.AutoScaler.IsUsed) {
            await this.KubernetesHorizontalPodAutoScalerService.create(newAutoScaler);
          }
        } else {
          const oldKind = KubernetesHorizontalPodAutoScalerHelper.getApplicationTypeString(oldApp);
          const oldAutoScaler = KubernetesHorizontalPodAutoScalerConverter.applicationFormValuesToModel(oldFormValues, oldKind);
          if (newFormValues.AutoScaler.IsUsed) {
            await this.KubernetesHorizontalPodAutoScalerService.patch(oldAutoScaler, newAutoScaler);
          } else {
            await this.KubernetesHorizontalPodAutoScalerService.delete(oldAutoScaler);
          }
        }
      } catch (err) {
        throw err;
      }
    }
  
    // this function accepts KubernetesApplication as parameters
    async patchPartialAsync(oldApp, newApp) {
      try {
        const oldAppPayload = {
          Name: oldApp.Name,
          Namespace: oldApp.ResourcePool,
          StackName: oldApp.StackName,
          Note: oldApp.Note,
        };
        const newAppPayload = {
          Name: newApp.Name,
          Namespace: newApp.ResourcePool,
          StackName: newApp.StackName,
          Note: newApp.Note,
        };
        const apiService = this._getApplicationApiService(oldApp);
        await apiService.patch(oldAppPayload, newAppPayload);
      } catch (err) {
        throw err;
      }
    }
  
    // accept either formValues or applications as parameters
    // depending on partial value
    // true = KubernetesApplication
    // false = KubernetesApplicationFormValues
    patch(oldValues, newValues, partial = false) {
      if (partial) {
        return this.$async(this.patchPartialAsync, oldValues, newValues);
      }
      return this.$async(this.patchAsync, oldValues, newValues);
    }
    /* #endregion */
  
    /* #region  DELETE */
    async deleteAsync(application) {
      try {
        const payload = {
          Namespace: application.ResourcePool || application.Namespace,
          Name: application.Name,
        };
        const servicePayload = angular.copy(payload);
        servicePayload.Name = application.Name;
  
        const apiService = this._getApplicationApiService(application);
        await apiService.delete(payload);
  
        if (apiService === this.KubernetesStatefulSetService) {
          const headlessServicePayload = angular.copy(payload);
          headlessServicePayload.Name = application instanceof KubernetesStatefulSet ? application.ServiceName : application.HeadlessServiceName;
          await this.KubernetesServiceService.delete(headlessServicePayload);
        }
  
        if (application.ServiceType) {
          await this.KubernetesServiceService.delete(servicePayload);
          const isIngress = _.filter(application.PublishedPorts, (p) => p.IngressRules.length).length;
          if (isIngress) {
            const originalIngresses = await this.KubernetesIngressService.get(payload.Namespace);
            const formValues = {
              OriginalIngresses: originalIngresses,
              PublishedPorts: KubernetesApplicationHelper.generatePublishedPortsFormValuesFromPublishedPorts(application.ServiceType, application.PublishedPorts),
            };
            _.forEach(formValues.PublishedPorts, (p) => (p.NeedsDeletion = true));
            const ingresses = KubernetesIngressConverter.applicationFormValuesToIngresses(formValues, servicePayload.Name);
            await Promise.all(this._generateIngressPatchPromises(formValues.OriginalIngresses, ingresses));
          }
        }
        if (!_.isEmpty(application.AutoScaler)) {
          await this.KubernetesHorizontalPodAutoScalerService.delete(application.AutoScaler);
        }
      } catch (err) {
        throw err;
      }
    }
  
    delete(application) {
      return this.$async(this.deleteAsync, application);
    }
    /* #endregion */
  
    /* #region  ROLLBACK */
    async rollbackAsync(application, targetRevision) {
      try {
        const payload = KubernetesApplicationRollbackHelper.getPatchPayload(application, targetRevision);
        const apiService = this._getApplicationApiService(application);
        await apiService.rollback(application.ResourcePool, application.Name, payload);
      } catch (err) {
        throw err;
      }
    }
  
    rollback(application, targetRevision) {
      return this.$async(this.rollbackAsync, application, targetRevision);
    }
    /* #endregion */
  }
  
  export default KubernetesApplicationService;
  angular.module('portainer.kubernetes').service('KubernetesApplicationService', KubernetesApplicationService);
  