# Sexy Bash Prompt, inspired by "Extravagant Zsh Prompt"
# Screenshot: http://cloud.gf3.ca/M5rG
# A big thanks to \amethyst on Freenode
#
# Configuration:
#   * To visualize python environment (virtualenv and conda) add in your .bash_profile the following line:
#       export SEXY_THEME_SHOW_PYTHON=true

# Default setting
SEXY_THEME_SHOW_PYTHON="${SEXY_THEME_SHOW_PYTHON:=false}"

if tput setaf 1 &> /dev/null; then
    if [[ $(tput colors) -ge 256 ]] 2>/dev/null; then
      MAGENTA=$(tput setaf 9)
      ORANGE=$(tput setaf 172)
      GREEN=$(tput setaf 190)
      PURPLE=$(tput setaf 141)
      WHITE=$(tput setaf 0)
    else
      MAGENTA=$(tput setaf 5)
      ORANGE=$(tput setaf 4)
      GREEN=$(tput setaf 2)
      PURPLE=$(tput setaf 1)
      WHITE=$(tput setaf 7)
    fi
    BOLD=$(tput bold)
    RESET=$(tput sgr0)
else
    MAGENTA="\033[1;31m"
    ORANGE="\033[1;33m"
    GREEN="\033[1;32m"
    PURPLE="\033[1;35m"
    WHITE="\033[1;37m"
    BOLD=""
    RESET="\033[m"
fi

parse_git_dirty () {
  [[ $(git status 2> /dev/null | tail -n1 | cut -c 1-17) != "nothing to commit" ]] && echo "*"
}
parse_git_branch () {
  git branch --no-color 2> /dev/null | sed -e '/^[^*]/d' -e "s/* \(.*\)/\1$(parse_git_dirty)/"
}
env_prompt () {
  echo -e "($(virtualenv_prompt)$(condaenv_prompt))"
}

function prompt_command() {
  PS1="\[${BOLD}${MAGENTA}\]\u \[$WHITE\]at \[$ORANGE\]\h \[$WHITE\]in \[$GREEN\]\w\[$WHITE\]\$([[ -n \$(git branch 2> /dev/null) ]] && echo \" on \")\[$PURPLE\]\$(parse_git_branch)\[$WHITE\]\n\$ \[$RESET\]"

  if [ "$SEXY_THEME_SHOW_PYTHON" = true ] ; then
    PS1="\[${BOLD}${WHITE}\]$(env_prompt) "$PS1
  fi
}

safe_append_prompt_command prompt_command
