import chalk from 'chalk'
import { selectRandom } from './util.js'
import { greenChalk, theAO, theMenu } from './chalkStyles.js'

// Different sets of messages that can be randomly selected from
const welcomeMessages = [
  `You turn a corner and are suddenly back in the halls of ${theAO}.`,
  `You make the sign of ${theAO} and are whisked away on a gust of divine wind.`,
  `You take a closer look at the folder you are in and realize it is a room.`,
  `You draw an alchemical symbol and open a doorway into ${theAO}. You step through.`,
  `"Ah, there you are again!" The old man greets you as you step through the portal.`,
  `A line of doge-masked worshippers glide by. By the time you exit the trance, you are in ${theAO}. Doge bless.`,
  `You spraypaint an ${greenChalk.bold('A')} superimposed on an ${greenChalk.bold('O')} and step through the portal.`,
  `You receive a phone call. You answer it. You are in ${theAO}.`,
  `You dab fiercely, and when you raise your head, you are in ${theAO}.`,
  `A ship arrives and takes you out to sea. The ship sinks and you somehow wash up safely in ${theAO}.`,
  `You are reading in the Library when you find a strange book. Whatever you read next in the book is ${theAO}.`,
  `You plant a magic seed and it grows into a great tree. Climbing up into its branches, you know ${theAO} is here.`,
  `In the late afternoon, a warm sunbeam highlights motes of dust over your book. These motes are ${theAO}.`,
  `A black cat crosses your path. Most people wouldn't notice, but you know you have entered the AO.`,
  `Dipping your brush in ink, you draw a perfect circle. This is ${theAO}.`,
  `You are offered a choice between two pills. However, you have secretly built up an immunity to both pills, and trick your opponent into taking one. Inconceviably, you are in ${theAO}.`,
  `A young man with spiky hair and golden skin appears before you in a halo of light. He guides you to ${theAO}.`,
  `You enter a gap between two hedges and, after struggling through the brush, emerge into a sunny estate garden. You've found the AO.`,
  `You find a small animal burrow dug near the riverside. Crawling in, you find a network of caves that lead to the AO.`
]
const menuMessages = [
  `You see ${theMenu}:`,
  `A page of aged paper wafts into your hand. On it is written ${theMenu}:`,
  `A minstrel walks by playing a haunting melody, and in its harmonies you hear the refrain of ${theMenu}:`,
  `You pick up an apple from a nearby table and take a bite. You suddenly recall the words of ${theMenu}:`,
  `With a screeching sound, a page containing ${theMenu} slowly emerges, line-by-line, from a dot-matrix printer:`,
  `In the shadows cast in the cavernous space, you see the forms of ${theMenu}:`,
  `With a low hum, standing waves appear on the reflecting pool at your feet. Impossibly, they spell out ${theMenu}:`,
  `You see a box of candies labeled 'Eat Me'. Why not? you think. You find ${theMenu} printed on the wrapper:`,
  `You see an ornate bottle labeled 'Drink Me'. Why not? you think. You take a sip and shrink to the size of a doormouse. Now you can read ${theMenu} scratched into the wainscoating:`,
  `Cretaceous jungle plants tower overhead, overgrown from the safari room. The ancient fractals of the branches prefigure the structure of ${theMenu}:`,
]
const exclamationMessages = [
  'Woah there!',
  'Shiver me timbers!',
  'iNtErEsTiNg!',
  'Turing\'s ghost!',
  'Frack!',
  'Frell!',
  'Good grief!',
  'With great power comes great responsibility.',
]
const rogerMessages = [
  'You\'ve got it.',
  'Aye-aye, captain!',
  'The AO provides.',
  'Roger.',
  'Yokai.'
]
const farewellMessages = [
  'Goodbye!',
  'Goodbye! Goodbye! Goodbye...!',
  'The AO will always be with you.',
  'Please return soon; the AO needs your virtue.',
  'The AO will await your return.',
  'Doge bless.',
  'Please remember the AO throughout your day as a ward against evil.',
  'Remember your PrioriTEA™.',
  'Know thyself.',
  'With great power comes great responsibility.',
  'The AO is a state of mind.',
  'Go for the low-hanging fruit.'
]

// Prints a random RPG-style welcome message to contextualize the AO experience and the main menu
export async function welcome() {
  const randomWelcomeMessage = selectRandom(welcomeMessages)
  const randomMenuMessage = selectRandom(menuMessages)
  const welcomeMessage = ('  ' + randomWelcomeMessage + ' ' + randomMenuMessage).wordWrap(process.stdout.columns - 2)
  // todo: line breaks would be more accurate if there were a function to count the length of a string minus the formatting codes (regex)
  // right now the invisible formatting characters are counted so lines are wrapped early
  console.log('\n' + welcomeMessage)
  
}

// Returns a random exclamatory remark
export function exclaim() {
  return selectRandom(exclamationMessages)
}

// Returns a random obedient/affirmative remark denoting that a command was executed
export function roger() {
  return selectRandom(rogerMessages)
}

export function farewell() {
  console.log(chalk.yellow.bold(selectRandom(farewellMessages)))
}