Xmas present for a great brother in-law

xmas-sam

#!/bin/bash

set -o errexit
set -o errtrace
set -o nounset
set -eou pipefail

# ==============================================================================

function clearscreen {
  printf '\033c'
}

# ==============================================================================

function print_welcome {
  cat <<EOF
---------------------------
|                         |
|       Welcome to        |
|                         |
|          Sam's          |
|                         |
|   Birthday Challenge!   |
|                         |
---------------------------
EOF
}

function print_overview {
  cat <<EOF
-----------------------------
|                           |
|     You will be given     |
|                           |
|          THREE            |
|                           |
|      questions about      |
|                           |
|         JS & HTML         |
|                           |
|   that you must answer    |
|                           |
|       to unlock...        |
|                           |
-----------------------------
EOF
}


function print_gift_preview {
  echo "                  ___           ___                    ___                       ___               ";
  echo "      ___        /__/\         /  /\                  /  /\        ___          /  /\        ___   ";
  echo "     /  /\       \  \:\       /  /:/_                /  /:/_      /  /\        /  /:/_      /  /\  ";
  echo "    /  /:/        \__\:\     /  /:/ /\              /  /:/ /\    /  /:/       /  /:/ /\    /  /:/  ";
  echo "   /  /:/     ___ /  /::\   /  /:/ /:/_            /  /:/_/::\  /__/::\      /  /:/ /:/   /  /:/   ";
  echo "  /  /::\    /__/\  /:/\:\ /__/:/ /:/ /\          /__/:/__\/\:\ \__\/\:\__  /__/:/ /:/   /  /::\   ";
  echo " /__/:/\:\   \  \:\/:/__\/ \  \:\/:/ /:/          \  \:\ /~~/:/    \  \:\/\ \  \:\/:/   /__/:/\:\  ";
  echo " \__\/  \:\   \  \::/       \  \::/ /:/            \  \:\  /:/      \__\::/  \  \::/    \__\/  \:\ ";
  echo "      \  \:\   \  \:\        \  \:\/:/              \  \:\/:/       /__/:/    \  \:\         \  \:\\";
  echo "       \__\/    \  \:\        \  \::/                \  \::/        \__\/      \  \:\         \__\/";
  echo "                 \__\/         \__\/                  \__\/                     \__\/              ";
}

# ==============================================================================

function run_q1 {
  local msg="${1-}"

  clearscreen
  print_q1

  if [ -n "$msg" ]; then
    echo "$msg"
  fi

  read -erp "> " answer

  if [ "$answer" = "\"Hello, Sam!\"" ] || [ "$answer" = "Hello, Sam!" ]; then
    echo ""
    print_q1_success
  else
    run_q1 "(Please try again)"
  fi
}

function print_q1 {
  cat <<EOF
--------------------------------------------
|                                          |
|   Q1: What does the following return?    |
|                                          |
|   function greet(name) {                 |
|     return \`Hello, \${name}!\`             |
|   }                                      |
|                                          |
|   greet('Sam') // ???                    |
|                                          |
--------------------------------------------
EOF
}

function print_q1_success {
  cat <<EOF
------------------
|                |
|   Great Job!   |
|                |
------------------
EOF

  read -erp "(Press return to continue)" _
}

# ==============================================================================

function run_q2 {
  local msg="${1-}"

  clearscreen
  print_q2

  if [ -n "$msg" ]; then
    echo "$msg"
  fi

  read -erp "> " answer

  if [ "$answer" = "<p>This is a <em>very</em> fun quiz!</p>" ]; then
    echo ""
    print_q2_success
  else
    run_q2 "(Please try again)"
  fi
}

function print_q2 {
  cat <<EOF
----------------------------------------------
|                                            |
|   Q2: How do you write an HTML paragraph   |
|       with the text below where the word   |
|       "very" is emphasized?                |
|                                            |
|       "This is a very fun quiz!"           |
|                                            |
----------------------------------------------
EOF
}

function print_q2_success {
  cat <<EOF
----------------------
|                    |
|   Wow! You rock!   |
|                    |
----------------------
EOF

  read -erp "(Press return to continue)" _
}

# ==============================================================================

function run_q3 {
  local msg="${1-}"

  clearscreen
  print_q3

  if [ -n "$msg" ]; then
    echo "$msg"
  fi

  read -erp "> " answer

  if [ "$answer" = "Na Na Na Na Na Na Na Na Na Na Na Na Na Na Na Na Batman!" ] || [ "$answer" = "\"Na Na Na Na Na Na Na Na Na Na Na Na Na Na Na Na Batman!\"" ]; then
    echo ""
    print_q3_success
  else
    run_q3 "(Please try again)"
  fi
}

function print_q3 {
  cat <<EOF
--------------------------------------------
|                                          |
|   Q3: What does the following return?    |
|       (hint: type the code into the JS   |
|       web console in your browser)       |
|                                          |
|   function secretMsg() {                 |
|     let msg = []                         |
|                                          |
|     for (let i = 0; i < 16; i++) {       |
|       msg.push("Na")                     |
|     }                                    |
|                                          |
|     msg.push("Batman!")                  |
|                                          |
|     return msg.join(" ")                 |
|   }                                      |
|                                          |
|   secretMsg() // ???                     |
|                                          |
--------------------------------------------
EOF
}

function print_q3_success {
  cat <<EOF
------------------------
|                      |
|   Amazing! I'm so    |
|                      |
|    proud of you!     |
|                      |
------------------------
EOF

  read -erp "(Press return to continue)" _
}

# ==============================================================================

function print_gift {
  cat <<EOF
----------------------------------------------------------
|                                                        |
|   You have earned \$100 towards educational material    |
|                                                        |
|   to further whatever studies you are interested in,   |
|                                                        |
|   or you can take its value in cash right now.         |
|                                                        |
|                                                        |
|                                                        |
|   The choice is yours.                                 |
|                                                        |
|                                                        |
|                                                        |
|   Merry Christmas!                                     |
|                                                        |
|   ██████╗  ██████╗ ██████╗ ███████╗██████╗ ████████╗   |
|   ██╔══██╗██╔═══██╗██╔══██╗██╔════╝██╔══██╗╚══██╔══╝   |
|   ██████╔╝██║   ██║██████╔╝█████╗  ██████╔╝   ██║      |
|   ██╔══██╗██║   ██║██╔══██╗██╔══╝  ██╔══██╗   ██║      |
|   ██║  ██║╚██████╔╝██████╔╝███████╗██║  ██║   ██║      |
|   ╚═╝  ╚═╝ ╚═════╝ ╚═════╝ ╚══════╝╚═╝  ╚═╝   ╚═╝      |
|                                                        |
|                                                        |
----------------------------------------------------------
EOF
}

# ==============================================================================

function main {
  clearscreen
  print_welcome
  read -erp "(Press return to continue)" _

  clearscreen
  print_overview
  read -erp "(Press return to continue)" _

  print_gift_preview
  read -erp "(Press return to be tested)" _

  run_q1
  run_q2
  run_q3

  clearscreen
  print_gift
  read -erp "(Press return to go to the free exercism.org)" _

  open https://exercism.org
}

main

Here's how to run this!

1. Copy the commands below to your clipboard
2. Open your Terminal.app application on your Mac and make it full screen (hold command & option and click the green button in the top left)
3. Paste in the commands, press return, and enjoy!

curl -sSL https://gist.github.com/rpearce/292bc9404bd443753eadfa71ffa9a24f/raw -o ./xmas-sam && \
  chmod +x ./xmas-sam && \
  ./xmas-sam