import { inject, injectable, named } from 'inversify';
import { ContributionProvider, Emitter } from '@gedit/utils';
import { NavigatorChildrenResolver, NavigatorResourceNode } from '../common/navigator-resource-node';
// import { nls } from '@gedit/nls';
// import { APP_CONFIG_PATH } from '@gedit/app-config/lib/browser';

export const NavigatorFileContribution = Symbol('NavigatorFileContribution');

/**
 * 注册文件到导航栏
 */
export interface NavigatorFileContribution {
  register(registry: NavigatorFileContributionRegistry): void
}

@injectable()
export class NavigatorFileContributionRegistry {
  fileNodes: NavigatorResourceNode[] = [];
  childrenResolvers: NavigatorChildrenResolver[] = [];
  readonly onRefreshEmitter = new Emitter<string | undefined>();
  readonly onNavigatorSelecteEmitter = new Emitter<NavigatorResourceNode | undefined>();
  readonly onRefresh = this.onRefreshEmitter.event;
  readonly onNavigatorSelect = this.onNavigatorSelecteEmitter.event;

  constructor(
    @inject(ContributionProvider) @named(NavigatorFileContribution)
    protected readonly contributionProvider: ContributionProvider<NavigatorFileContribution>,
  ) {
    const contributions = this.contributionProvider.getContributions();
    for (const contrib of contributions) {
      contrib.register(this);
    }
  }

  registerFile(node: NavigatorResourceNode): void {
    this.fileNodes.push(node);
    this.fileNodes = this.fileNodes.sort((f1, f2) => (f1.priority || 0) - (f2.priority || 0));
  }

  registerChildrenResolver(resolver: NavigatorChildrenResolver): void {
    this.childrenResolvers.push(resolver);
  }
}

@injectable()
export class AppConfigNavigatorFileRegistry implements NavigatorFileContribution {
  register(registry: NavigatorFileContributionRegistry): void {
    /* registry.registerFile({
      icon: 'navigator2d-config-icon',
      uriPath: APP_CONFIG_PATH,
      label: nls.localize('navigator2d.config', 'Configure'),
      priority: 100,
    }); */
  }
}