# Prompt Customizations

# downside of using MSYS
# LS_COLORS="di=01;36:"
# export LS_COLORS

# If not running interactively, don't do anything
[ -z "$PS1" ] && return

RED="\033[0;31m"
YELLOW="\033[0;33m"
GREEN="\033[0;32m"
GRAY="\033[1;30m"
EMPTY="\033[0;37m"

LIGHTBLUE="\033[38;5;111m"
LIGHTORANGE="\033[38;5;172m"
LIGHTGREEN="\033[38;5;70m"
LIGHTRED="\033[38;5;161m"
LIGHTYELLOW="\033[38;5;229m"
CONTINUE="\033[38;5;242m"
DARKGRAY="\033[38;5;247m"

# Glyph table for airline fonts
# U+E0A0    Version control branch
# U+E0A1    LN (line) symbol
# U+E0A2    Closed padlock
# U+E0B0    Rightwards black arrowhead
# U+E0B1    Rightwards arrowhead
# U+E0B2    Leftwards black arrowhead
# U+E0B3    Leftwards arrowhead

LAR=""
RAR=""
LARS=""
RARS=""
LN=""
VC=""
LK=""

colorize() {
  # $1 is foreground
  # $2 is background
  if [ $OSTYPE = 'msys' ]; then
    echo "\033[$2;$1m"
  else
    echo "$(tput setaf $1)$(tput setab $2)"
  fi
}

parse_git_branch () {
  git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/'
}

parse_git_tag () {
  git describe --tags 2> /dev/null
}

parse_git_branch_or_tag() {
  local OUT="$VC$(parse_git_branch)"
  if [ "$OUT" == " ((no branch))" ]; then
    echo "$VC($(parse_git_tag))"
  elif [ "$OUT" == "$VC" ]; then
    echo "x$VC"
  else
    echo "$OUT"
  fi
}


build_prompt_win(){
  TIME="$(colorize 39 46)[$(date +%H:%M)]$(colorize 36 42)$RARS";
  USER="$(colorize 39 42) \u@\h $(colorize 32 41)$RARS"
  GIT="$(colorize 39 41)$(parse_git_branch_or_tag) $(colorize 31 49)"
  DIR="$(colorize 33 49) \w"
  echo "$TIME$USER$GIT $DIR"
}

build_prompt_mac(){
  local TIME="$(colorize 15 33)[$(date +%H:%M)] $(colorize 33 34)$RARS";
  local USER="$(colorize 15 34)\u@\h $(colorize 34 124)$RARS"
  local GIT="$(colorize 252 124) $(parse_git_branch_or_tag) $(colorize 124 240)$RARS"
  local DIR=" $(colorize 11 240)\w $(colorize 240 0)$RARS"
  local LEFT="$TIME$USER$GIT$DIR"
  echo "$LEFT"
}

print_prompt(){
  local TIME="$(colorize 15 33)[$(date +%H:%M)] $(colorize 33 34)$RARS";
  local USER="$(colorize 15 34)\u@\h $(colorize 34 124)$RARS"
  local GIT="$(colorize 252 124) $(parse_git_branch_or_tag) $(colorize 124 240)$RARS"
  local DIR=" $(colorize 11 240)\w $(colorize 240 0)$RARS"
  local LEFT="$TIME$USER$GIT$DIR"
  local RIGHT="$DIR"
  local COMPENSATE=11
  PS1=$(printf "%*s\r%s\n$EMPTY\$$GRAY" "$($(tput cols) + ${compensate})" "$RIGHT" "$LEFT")
}


# [hh:mm] username@host (git branch || svn revision) ~/working/directory
# $
# [hh:mm] username@host (git branch || svn revision) ~/working/directory
# $
# Pretty ugly hack for msys... need to figure out how to determine if my
# console is 256 color capable
if [ $OSTYPE = 'msys' ]; then
  PROMPT_COMMAND='PS1="$(build_prompt_win) \n$EMPTY\$ $GRAY" 
  PS2="$CONTINUE> "'
else
  PROMPT_COMMAND='PS1="$(build_prompt_mac) \n$EMPTY\$$GRAY"'
fi


print_map(){
  if [ $OSTYPE = 'msys' ]; then
    #Background
    for clbg in {40..47} {100..107} 49 ; do
      #Foreground
      for clfg in {30..37} {90..97} 39 ; do
        #Formatting
        for attr in 0 1 2 4 5 7 ; do
          #Print the result
          echo -en "\e[${attr};${clbg};${clfg}m ^[${attr};${clbg};${clfg}m \e[0m"
        done
        echo #Newline
      done
    done
  else
    for fgbg in 38 48 ; do #Foreground/Background
      for color in {0..256} ; do #Colors
        #Display the color
        echo -en "\033[${fgbg};5;${color}m ${color}\t\e[0m"
        #Display 10 colors per lines
        if [ $((($color + 1) % 10)) == 0 ] ; then
          echo #New line
        fi
      done
      echo #New line
    done
  fi
}

banner() {
  for i in {16..21} {23..27} {27..23} {21..16} ; do echo -en "\033[38;5;${i}m#" ; done ; echo
    echo -e "$LIGHTBLUE $1"
  for i in {16..21} {23..27} {27..23} {21..16} ; do echo -en "\033[38;5;${i}m#" ; done ; echo
}