import fs from 'fs'

export default abstract class Result {
  /**
   * Get the PDF as a Buffer.
   */
  abstract buffer(): Promise<Buffer>

  /**
   * Save the PDF to the given filepath.
   */
  saveTo(path: string): Promise<void> {
    return new Promise(async (res, rej) => {
      fs.writeFile(path, await this.buffer(), err => {
        if (err) {
          rej(err)
          return
        }

        res()
      })
    })
  }
}