#!/usr/bin/env bash
#
# ANSI Color -- use these variables to easily have different color
#    and format output. Make sure to output the reset sequence after 
#    colors (f = foreground, b = background), and use the 'off'
#    feature for anything you turn on.

#printf "\ec"

initializeANSI()
{
  esc=""

  blackf="${esc}[30m";   redf="${esc}[31m";    greenf="${esc}[32m"
  yellowf="${esc}[33m"   bluef="${esc}[34m";   purplef="${esc}[35m"
  cyanf="${esc}[36m";    whitef="${esc}[37m"
  
  blackb="${esc}[1;30m";   redb="${esc}[1;31m";    greenb="${esc}[1;32m"
  yellowb="${esc}[1;33m"   blueb="${esc}[1;34m";   purpleb="${esc}[1;35m"
  cyanb="${esc}[1;36m";    whiteb="${esc}[1;37m"

  boldon="${esc}[1m";    boldoff="${esc}[22m"
  italicson="${esc}[3m"; italicsoff="${esc}[23m"
  ulon="${esc}[4m";      uloff="${esc}[24m"
  invon="${esc}[7m";     invoff="${esc}[27m"

  reset="${esc}[0m"
}

# note in this first use that switching colors doesn't require a reset
# first - the new color overrides the old one.

numbers (){

initializeANSI

cat << EOF
${blackf}1111${reset}${blackb}1111${reset} ${redf}2222${reset}${redb}2222${reset} ${greenf}3333${reset}${greenb}3333${reset} ${yellowf}4444${reset}${yellowb}4444${reset} ${bluef}5555${reset}${blueb}5555${reset} ${purplef}6666${reset}${purpleb}6666${reset} ${cyanf}7777${reset}${cyanb}7777${reset}
${blackf}1111${reset}${blackb}1111${reset} ${redf}2222${reset}${redb}2222${reset} ${greenf}3333${reset}${greenb}3333${reset} ${yellowf}4444${reset}${yellowb}4444${reset} ${bluef}5555${reset}${blueb}5555${reset} ${purplef}6666${reset}${purpleb}6666${reset} ${cyanf}7777${reset}${cyanb}7777${reset}
${whitef}8888${reset}${whiteb}8888${reset} ${whitef}8888${reset}${whiteb}8888${reset} ${whitef}8888${reset}${whiteb}8888${reset} ${whitef}8888${reset}${whiteb}8888${reset} ${whitef}8888${reset}${whiteb}8888${reset} ${whitef}8888${reset}${whiteb}8888${reset} ${whitef}8888${reset}${whiteb}8888${reset}

EOF

}

blocks (){

initializeANSI

cat << EOF
${blackf}████${reset}${blackb}████${reset} ${redf}████${reset}${redb}████${reset} ${greenf}████${reset}${greenb}████${reset} ${yellowf}████${reset}${yellowb}████${reset} ${bluef}████${reset}${blueb}████${reset} ${purplef}████${reset}${purpleb}████${reset} ${cyanf}████${reset}${cyanb}████${reset}
${blackf}████${reset}${blackb}████${reset} ${redf}████${reset}${redb}████${reset} ${greenf}████${reset}${greenb}████${reset} ${yellowf}████${reset}${yellowb}████${reset} ${bluef}████${reset}${blueb}████${reset} ${purplef}████${reset}${purpleb}████${reset} ${cyanf}████${reset}${cyanb}████${reset}
${whitef}████${reset}${whiteb}████${reset} ${whitef}████${reset}${whiteb}████${reset} ${whitef}████${reset}${whiteb}████${reset} ${whitef}████${reset}${whiteb}████${reset} ${whitef}████${reset}${whiteb}████${reset} ${whitef}████${reset}${whiteb}████${reset} ${whitef}████${reset}${whiteb}████${reset}

EOF

}

case $1 in
	b)	blocks;;
	n)	numbers;;
	a)	blocks && numbers;;
	*)  blocks;;
esac