import {Unit} from '../lifecycle/Unit'
import {Inject} from '../di'
import {Logging} from './Logging'
import * as process from 'process'

export class Foreground extends Unit {
    @Inject()
    protected readonly logging!: Logging

    protected resolver?: () => unknown

    public up(): Promise<void> {
        return new Promise<void>(res => {
            this.resolver = res
            this.logging.success(`Application started! Press ^C or send SIGINT to stop.`)
            process.stdin.resume()
            process.on('SIGINT', res)
        })
    }

    public down(): void {
        this.resolver?.()
    }
}