import { runProfile } from './profile'
import { runReset } from './reset'

interface StorageOptions {
  port?: number
  verbose?: boolean
}

const VALUE_FLAGS = new Set(['--sim', '--port', '-p'])
const SUBCOMMANDS = new Set(['profile', 'clear'])

function findSubcommand(args: string[]): { name: string; index: number } | null {
  for (let i = 0; i < args.length; i++) {
    const arg = args[i]
    if (arg.startsWith('-')) {
      if (VALUE_FLAGS.has(arg)) i++
      continue
    }
    return SUBCOMMANDS.has(arg) ? { name: arg, index: i } : null
  }
  return null
}

function printHelp(): void {
  console.log(`
rnx storage — manage sim and app storage

usage:
  rnx storage profile <subcommand>
  rnx storage clear [--full] [--sim <id>] [--json]

subcommands:
  profile list
  profile create <id>
  profile clear <id>
  profile delete <id>
  clear              clear the current guest app data and relaunch it
`)
}

export async function runStorage(args: string[], opts: StorageOptions): Promise<number> {
  if (args.includes('--help') || args.includes('-h')) {
    printHelp()
    return 0
  }

  const sub = findSubcommand(args)
  if (sub?.name === 'profile') {
    return runProfile([...args.slice(0, sub.index), ...args.slice(sub.index + 1)], opts)
  }
  if (sub?.name === 'clear') {
    return runReset([...args.slice(0, sub.index), ...args.slice(sub.index + 1)], opts)
  }

  console.error(`  unknown storage command: ${sub?.name ?? '(missing)'}`)
  printHelp()
  return 1
}