#!/bin/bash

_CR="\e[170D\e[1B"
_E1="\e[1C"
_E2="\e[2C"
_E_RIGHT="\e[70C"
_BOLD="\e[1m"
_BLACK="\e[38;5;0m"
_RED="\e[38;5;1m"
_BLUE="\e[38;5;4m"
_PURPLE="\e[38;5;5m"
_CYAN="\e[38;5;6m"
_BG_RED="\e[48;5;1m"
_RESET="\e[0m"

# _title [string:bg_color] [string:message] [bool:right]
_title() {
  printf "$_CR$_E1$_BOLD$_BLACK$1"
  [[ ! -z $3 ]] && printf "$_E_RIGHT"
  for (( i=0; i<(( 10 - ${#2} / 2 )); i++ ))
  do
    printf " "
  done
  printf "$2"
  for (( i=0; i<(( 10 - ${#2} / 2 )); i++ ))
  do
    printf " "
  done
  (( ${#2} % 2 == 0 )) && printf " "
  printf "$_RESET$_CR"
}

# _shortcut [string:modifier] [string:key] [string:message] [bool:right]
_shortcut() {
  _MODIFIER=$(sed "s|+|\\\e[38;5;1m+\\\e[38;5;5m|g" <<< $1)
  [[ ! -z $4 ]] && printf "$_E_RIGHT"
  printf "$_E2"
  printf "$_PURPLE$_MODIFIER$_RESET"
  [[ ! -z $1 ]] && printf "$_RED+$_RESET"
  printf "$_CYAN$2$_RESET"
  printf  " $3"
  printf "$_CR"
}

_move() {
  printf "\e[$1;$2H"
}

tput civis
clear

_title "\e[48;5;063m" "i3"
_shortcut "Super" "c" "Reload i3"
_shortcut "Super" "r" "Restart i3"
_shortcut "Super" "e" "Exit i3"

_title "\e[48;5;035m" "Applications"
_shortcut "Super" "d" "Dmenu"
_shortcut "Super+Shift" "f" "Firefox"
_shortcut "Super+Shift" "s" "Steam"
_shortcut "Super+Shift" "d" "Discord"
_shortcut "Super+Shift" "p" "Pavucontrol"

_title "\e[48;5;191m" "Window"
_shortcut "Super" "q" "Kill window"
_shortcut "Super" "o" "Move window to next screen"
_shortcut "Super" "h" "Split horizontally"
_shortcut "Super" "v" "Split vertically"
_shortcut "Super" "f" "Toggle fullscreen"
_shortcut "Super" "Space" "Toggle layout"
_shortcut "Super" "arrows" "Change window focus"
_shortcut "Super+Shift" "arrows" "Resize window"
_shortcut "Super+ctrl" "arrows" "Move focused window"
_shortcut "Super+Ctrl" "Space" "Toggle window split"

_title "\e[48;5;170m" "Workspace"
_shortcut "Super" "Numpad" "Move to workspace n"
_shortcut "Super+Ctrl" "Numpad" "Move focused window to workspace n"

_title "\e[48;5;092m" "Sound"
_shortcut "" "F4" "Decrease volume"
_shortcut "" "F5" "Increase volume"

_move 1 1

_title "\e[48;5;204m" "Urxvt" true
_shortcut "Alt" "Up" "Increase font size" true
_shortcut "Alt" "Down" "Decrease font size" true
_shortcut "Alt" "=" "Reset font size" true
_shortcut "Alt" "/" "Show font" true
_shortcut "Alt" "u" "Url matcher" true
_shortcut "Shift" "Up" "Scroll up one line" true
_shortcut "Shift" "PageUp" "Scroll one page" true
_shortcut "Shift" "Down" "Scroll down one line" true
_shortcut "Shift" "PageDown" "Scroll down one page" true

_title "\e[48;5;214m" "Tmux" true

_move 1 1

read -n 1 -s