// This is an example Input Modifier that looks for commands from the user.

const modifier = (text) => {
  let stop = false

  // This matches when the user types in ":something arg1 arg2" in any of the three input formats. For example, they could
  // type ":status" and then command would be "status" and args would be [], or they could type ":walk north" and command
  // would be "walk" and args would be ["north"].
  const commandMatcher = text.match(/\n? ?(?:> You |> You say "|):(\w+?)( [\w ]+)?[".]?\n?$/i)
  if (commandMatcher) {
    const command = commandMatcher[1]
    const args = commandMatcher[2] ? commandMatcher[2].trim().split(' ') : []
    state.message = `Got command '${command}' with args ${JSON.stringify(args)}`
    stop = true
    text = null
  } else {
    delete state.message
  }

  // You must return an object with the text property defined.
  // If you include { stop: true } when inside of an input modifier, processing will be stopped and nothing will be
  // sent to the AI.
  return { text, stop }
}

// Don't modify this part
modifier(text)