import { UmbWorkspaceRouteManager, UMB_WORKSPACE_CONTEXT } from '@umbraco-cms/backoffice/workspace';
import { UmbObjectState } from '@umbraco-cms/backoffice/observable-api';
import type { UmbControllerHost } from '@umbraco-cms/backoffice/controller-api';
import { UmbContextBase } from '@umbraco-cms/backoffice/class-api';
import { LitElement, html } from '@umbraco-cms/backoffice/external/lit';
import { customElement } from '@umbraco-cms/backoffice/external/lit';

// Workspace editor element that renders views
@customElement('my-workspace-editor')
class MyWorkspaceEditorElement extends LitElement {
  override render() {
    return html`<umb-workspace-editor></umb-workspace-editor>`;
  }
}

interface MyEntityData {
  unique: string;
  name?: string;
}

export class MyWorkspaceContext extends UmbContextBase {
  public readonly workspaceAlias = 'My.Workspace';

  #data = new UmbObjectState<MyEntityData | undefined>(undefined);
  readonly data = this.#data.asObservable();

  // CRITICAL: Observable unique for workspace views to consume
  readonly unique = this.#data.asObservablePart((data) => data?.unique);
  readonly name = this.#data.asObservablePart((data) => data?.name);

  readonly routes = new UmbWorkspaceRouteManager(this);

  constructor(host: UmbControllerHost) {
    super(host, UMB_WORKSPACE_CONTEXT);

    // Route pattern for tree item navigation
    this.routes.setRoutes([
      {
        path: 'edit/:unique',
        component: MyWorkspaceEditorElement,
        setup: (_component, info) => {
          const unique = info.match.params.unique;
          this.load(unique);
        },
      },
    ]);
  }

  async load(unique: string) {
    // Load entity data and update state
    this.#data.setValue({ unique });
  }

  getUnique() {
    return this.#data.getValue()?.unique;
  }

  getEntityType() {
    return 'my-entity';  // Must match tree item entityType!
  }

  public override destroy(): void {
    this.#data.destroy();
    super.destroy();
  }
}

export { MyWorkspaceContext as api };

import { UMB_WORKSPACE_CONTEXT } from '@umbraco-cms/backoffice/workspace';

override connectedCallback() {
  super.connectedCallback();

  this.consumeContext(UMB_WORKSPACE_CONTEXT, (context) => {
    if (!context) return;

    // Observe unique - will fire when navigating between items
    this.observe((context as any).unique, (unique: string | null) => {
      if (unique) {
        this._loadData(unique);
      }
    });
  });
}

export const manifests: UmbExtensionManifest[] = [
  // Routable workspace for tree integration
  {
    type: 'workspace',
    kind: 'routable',
    alias: 'My.Workspace',
    name: 'My Workspace',
    api: () => import('./my-workspace.context.js'),
    meta: {
      entityType: 'my-entity',  // Must match tree item entityType!
    },
  },
  // Workspace view
  {
    type: 'workspaceView',
    alias: 'My.WorkspaceView',
    name: 'My Workspace View',
    element: () => import('./my-workspace-view.element.js'),
    weight: 100,
    meta: {
      label: 'Details',
      pathname: 'details',
      icon: 'icon-info',
    },
    conditions: [
      {
        alias: 'Umb.Condition.WorkspaceAlias',
        match: 'My.Workspace',
      },
    ],
  },
];