import type { RunnerOptions, GraphileConfig } from 'graphile-worker'
import { run } from 'graphile-worker'
import { join, dirname } from 'node:path'
import { fileURLToPath } from 'url'
import { configs } from './config.ts'

const __dirname = dirname(fileURLToPath(import.meta.url));


async function setupGraphileWorker() {
  try {
    const preset: GraphileConfig.Preset = {
      worker: {
        connectionString: configs.connectionString,
        concurrentJobs: 3,
        fileExtensions: [".js", ".ts"],
        taskDirectory: join(__dirname, 'tasks')
      },
    };
    console.log('worker preset as follows')
    console.log(preset)
    const runnerOptions: RunnerOptions = {
      preset
    }
    
    const runner = await run(runnerOptions)
    if (!runner) throw new Error('failed to initialize graphile worker');
    await runner.promise
  } catch (e) {
    console.error('error caught during setupGraphileWorker')
    console.error(e)
  }
}




async function main() {
  await setupGraphileWorker()
}

main().catch((e) => {
  console.error("error during main() function")
  console.error(e)
  process.exit(3)
})