import { Process, Processor } from '@nestjs/bull';
import { Injectable } from '@nestjs/common';
import { ScreenshotterService } from './screenshotter.service';
import { QUEUE_NAME, ScreenshotJob } from './shared';

@Injectable()
@Processor(QUEUE_NAME)
export class ScreenshotsProcessor {
  constructor(private readonly screenshotterService: ScreenshotterService) {}

  @Process()
  async handleScreenshotJob(job: ScreenshotJob) {
    try {
      const imageData = await this.screenshotterService.takeScreenshot({
        url: job.data.pageUrl,
        imageType: job.data.imageType,
      })

      job.moveToCompleted(imageData.toString('base64'))
    } catch(err) {
      job.moveToFailed({ message: JSON.stringify(err) })
    }
  }
}