import angular from 'angular';
import _ from 'lodash-es';
import stripAnsi from 'strip-ansi';
import { KubernetesDeployManifestTypes } from 'Kubernetes/models/deploy';

class KubernetesDeployController {
  /* @ngInject */
  constructor($async, $state, $window, ModalService, Notifications, EndpointProvider, KubernetesResourcePoolService, StackService) {
    this.$async = $async;
    this.$state = $state;
    this.$window = $window;
    this.ModalService = ModalService;
    this.Notifications = Notifications;
    this.EndpointProvider = EndpointProvider;
    this.KubernetesResourcePoolService = KubernetesResourcePoolService;
    this.StackService = StackService;

    this.onInit = this.onInit.bind(this);
    this.deployAsync = this.deployAsync.bind(this);
    this.editorUpdate = this.editorUpdate.bind(this);
    this.editorUpdateAsync = this.editorUpdateAsync.bind(this);
    this.getNamespacesAsync = this.getNamespacesAsync.bind(this);
  }

  disableDeploy() {
    return _.isEmpty(this.formValues.EditorContent) || _.isEmpty(this.formValues.Namespace) || this.state.actionInProgress;
  }

  async editorUpdateAsync(cm) {
    this.formValues.EditorContent = cm.getValue();
    this.state.isEditorDirty = true;
  }

  editorUpdate(cm) {
    return this.$async(this.editorUpdateAsync, cm);
  }

  displayErrorLog(log) {
    this.errorLog = stripAnsi(log);
    this.state.tabLogsDisabled = false;
    this.state.activeTab = 1;
  }

  async deployAsync() {
    this.errorLog = '';
    this.state.actionInProgress = true;

    try {
      const compose = this.state.DeployType === this.ManifestDeployTypes.COMPOSE;
      await this.StackService.kubernetesDeploy(this.endpointId, this.formValues.Namespace, this.formValues.EditorContent, compose);
      this.Notifications.success('Manifest successfully deployed');
      this.state.isEditorDirty = false;
      this.$state.go('kubernetes.applications');
    } catch (err) {
      this.Notifications.error('Unable to deploy manifest', err, 'Unable to deploy resources');
      this.displayErrorLog(err.err.data.details);
    } finally {
      this.state.actionInProgress = false;
    }
  }

  deploy() {
    return this.$async(this.deployAsync);
  }

  async getNamespacesAsync() {
    try {
      const pools = await this.KubernetesResourcePoolService.get();
      this.namespaces = _.map(pools, 'Namespace');
      this.formValues.Namespace = this.namespaces[0].Name;
    } catch (err) {
      this.Notifications.error('Failure', err, 'Unable to load resource pools data');
    }
  }

  getNamespaces() {
    return this.$async(this.getNamespacesAsync);
  }

  async uiCanExit() {
    if (this.formValues.EditorContent && this.state.isEditorDirty) {
      return this.ModalService.confirmWebEditorDiscard();
    }
  }

  async onInit() {
    this.state = {
      DeployType: KubernetesDeployManifestTypes.KUBERNETES,
      tabLogsDisabled: true,
      activeTab: 0,
      viewReady: false,
      isEditorDirty: false,
    };

    this.formValues = {};
    this.ManifestDeployTypes = KubernetesDeployManifestTypes;
    this.endpointId = this.EndpointProvider.endpointID();

    await this.getNamespaces();

    this.state.viewReady = true;

    this.$window.onbeforeunload = () => {
      if (this.formValues.EditorContent && this.state.isEditorDirty) {
        return '';
      }
    };
  }

  $onInit() {
    return this.$async(this.onInit);
  }
}

export default KubernetesDeployController;
angular.module('portainer.kubernetes').controller('KubernetesDeployController', KubernetesDeployController);