import readline from 'readline'

import lacuna from './client'
import call from './call'
import log from './log'

/**
 * Fetch a captcha and prompt for the answer on stdin, then solve it. Replaces
 * `lacuna.captcha.prompt`.
 *
 * A no-op in the browser - the web config screen (`task-configs/helpers/captcha.vue`
 * + `stores/captcha.js`) handles captchas there.
 *
 * @return {Promise<void>}
 */
export default function captchaPrompt() {
  if (typeof window === 'object') {
    return Promise.resolve()
  }

  return call(() => lacuna.captcha.fetch()).then((captcha) => {
    log.info(`Please solve captcha from url: ${captcha.url}`)

    return new Promise((resolve, reject) => {
      const rl = readline.createInterface({ input: process.stdin, output: process.stdout })

      rl.question('Captcha answer: ', (answer) => {
        rl.close()

        // NOTE: getting the answer wrong kills the whole script. Whatever.
        call(() => lacuna.captcha.solve({ guid: captcha.guid, solution: answer }))
          .then(resolve)
          .catch(reject)
      })
    })
  })
}