import { rnxExit } from '../run-rnx'
import { runTelemetry } from './telemetry'

function printHelp(): void {
  console.log(`
rnx config — manage local CLI preferences

usage:
  rnx config telemetry [on|off|status]

environment:
  RNX_HINTS=off          suppress CLI hints
  RNX_HINTS=always       show every CLI hint every time
  RNX_UPDATE_CHECK=off   disable background CLI update checks and notices
`)
}

export async function runConfig(args: string[]): Promise<void> {
  if (args.includes('--help') || args.includes('-h')) {
    printHelp()
    return
  }

  const sub = args.find((arg) => !arg.startsWith('-'))
  if (sub === 'telemetry') {
    const index = args.indexOf(sub)
    await runTelemetry([...args.slice(0, index), ...args.slice(index + 1)])
    return
  }

  console.error(`  unknown config command: ${sub ?? '(missing)'}`)
  printHelp()
  rnxExit(1)
}