import * as plugins from './smarts3.plugins';
import * as paths from './paths';

export interface ISmarts3ContructorOptions {
  port?: number;
  cleanSlate?: boolean;
}

export class Smarts3 {
  // STATIC
  public static async createAndStart(optionsArg: ConstructorParameters<typeof Smarts3>[0]) {
    const smartS3Instance = new Smarts3(optionsArg);
    await smartS3Instance.start();
    return smartS3Instance;
  }

  // INSTANCE
  public options: ISmarts3ContructorOptions;
  public s3Instance: plugins.s3rver;

  constructor(optionsArg: ISmarts3ContructorOptions) {
    this.options = optionsArg;
    this.options = {
      ...this.options,
      ...optionsArg
    }
  }

  public async start() {
    if (this.options.cleanSlate) {
      await plugins.smartfile.fs.ensureEmptyDir(paths.bucketsDir);
    } else {
      await plugins.smartfile.fs.ensureDir(paths.bucketsDir);
    }
    this.s3Instance = new plugins.s3rver({
      port: this.options.port || 3000,
      address: '0.0.0.0',
      silent: false,
      directory: paths.bucketsDir
    })
    await this.s3Instance.run();
    console.log('s3 server is running');
  }

  public async getS3Descriptor(): Promise<plugins.smartbucket.ISmartBucketConfig> {
    return {
      accessKey: 'S3RVER',
      accessSecret: 'S3RVER',
      endpoint: 'localhost',
      port: this.options.port,
      useSsl: false,
    }
  }

  public async createBucket(bucketNameArg: string) {
    const smartbucketInstance = new plugins.smartbucket.SmartBucket(await this.getS3Descriptor());
    const bucket = await smartbucketInstance.createBucket(bucketNameArg);
    return bucket;
  }

  public async stop() {
    await this.s3Instance.close();
  }
}