Checker.ts

import { GatewayNode } from './GatewayNode'
import { Results } from './Results'
import { Stats } from './Stats'
import { Log } from './Log'

const log = new Log('Checker')

class Checker {
  public readonly element: HTMLElement
  public readonly nodes: GatewayNode[] = []
  private readonly stats: Stats
  private readonly results: Results
  constructor () {
    const element = document.getElementById('checker')
    if (element == null) {
      throw new Error('Element with Id "checker" not found.')
    }
    this.element = element
    this.stats = new Stats(this)
    this.results = new Results(this)
    this.updateStats = this.updateStats.bind(this)
  }

  private updateStats (): void {
    this.stats.update()
  }

  async checkGateways (gateways: string[]): Promise<void> {
    const allChecks: Array<Promise<void>> = []
    for (const gateway of gateways) {
      const node = new GatewayNode(this.results, gateway, this.nodes.length)
      this.nodes.push(node)
      this.results.append(node.tag)
      // void node.check()
      setTimeout(() => {
        allChecks.push(node.check().catch((err) => log.error(err)).finally(this.updateStats))
      }, 100 * this.nodes.length)
    }
    // await Promise.all(allChecks).finally(this.updateStats)
  }
}

export { Checker }