import * as plugins from '../plugins.js';
import type { TsView } from '../tsview.classes.tsview.js';
import { registerS3Handlers } from '../api/handlers.s3.js';
import { registerMongoHandlers } from '../api/handlers.mongodb.js';
import { files as bundledUiFiles } from '../bundled_ui.js';

/**
 * Web server for TsView that serves the bundled UI and API endpoints.
 */
export class ViewServer {
  private tsview: TsView;
  private port: number;
  private typedServer: plugins.typedserver.TypedServer | null = null;
  public typedrouter: plugins.typedrequest.TypedRouter;

  constructor(tsview: TsView, port: number) {
    this.tsview = tsview;
    this.port = port;
    this.typedrouter = new plugins.typedrequest.TypedRouter();
  }

  /**
   * Start the server
   */
  public async start(): Promise<void> {
    // Register API handlers
    if (this.tsview.config.hasS3()) {
      await registerS3Handlers(this.typedrouter, this.tsview);
    }

    if (this.tsview.config.hasMongo()) {
      await registerMongoHandlers(this.typedrouter, this.tsview);
    }

    // Create typed server with bundled content
    this.typedServer = new plugins.typedserver.TypedServer({
      cors: true,
      port: this.port,
      bundledContent: bundledUiFiles,
      spaFallback: true,
    });

    // Add the router
    this.typedServer.typedrouter.addTypedRouter(this.typedrouter);

    // Start server
    await this.typedServer.start();
  }

  /**
   * Stop the server
   */
  public async stop(): Promise<void> {
    if (this.typedServer) {
      await this.typedServer.stop();
      this.typedServer = null;
    }
  }
}