import type { ExposeProvider } from './classes.exposeprovider.js';
import { WebDavExposeProvider } from './classes.exposeprovider.webdav.js';
import * as plugins from './plugins.js';

export interface ISmartExposeOptions {
  deleteAfterMillis?: number;
  privateUrl?: boolean;
  exposedBaseUrl: string;
  webdav?: {
    webdavCredentials: plugins.smartwebdav.IWebdavClientOptions;
    webdavSubPath: string;
  };
}

export class SmartExpose {
  // INSTANCE
  public taskmanager!: plugins.taskbuffer.TaskManager;
  public provider!: ExposeProvider;
  public options: ISmartExposeOptions;

  constructor(optionsArg: ISmartExposeOptions) {
    this.options = optionsArg;
  }

  private getProvider(): ExposeProvider {
    if (!this.provider) {
      throw new Error('No expose provider has been configured.');
    }
    return this.provider;
  }

  public async start() {
    this.taskmanager = new plugins.taskbuffer.TaskManager();
    if (this.options.webdav) {
      this.provider = new WebDavExposeProvider(this, {
        webdavCredentials: this.options.webdav.webdavCredentials,
        webdavSubPath: this.options.webdav.webdavSubPath,
      });
    }
    await this.getProvider().start();
    this.taskmanager.start();
  }

  public async stop() {
    await this.getProvider().stop();
    this.taskmanager.stop();
  }

  public async exposeFile(optionsArg: Parameters<ExposeProvider['exposeFile']>[0]) {
    return this.getProvider().exposeFile({
      ...optionsArg,
      deleteAfterMillis: optionsArg.deleteAfterMillis ?? this.options.deleteAfterMillis,
      privateUrl: optionsArg.privateUrl ?? this.options.privateUrl,
    });
  }

  public async exposeFileArray(optionsArg: Parameters<ExposeProvider['exposeFileArray']>[0]) {
    return this.getProvider().exposeFileArray({
      ...optionsArg,
      deleteAfterMillis: optionsArg.deleteAfterMillis ?? this.options.deleteAfterMillis,
      privateUrl: optionsArg.privateUrl ?? this.options.privateUrl,
    });
  }
}