# Mairan Bash Prompt, inspired by "Zork"

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

# prompt_symbol='λ'
# prompt_symbol='⚡'
prompt_symbol=''
BRACKET_COLOR=$ORANGE

SCM_THEME_PROMPT_PREFIX=""
SCM_THEME_PROMPT_SUFFIX=""

SCM_THEME_PROMPT_DIRTY=" ${bold_red}✗${normal}"
SCM_THEME_PROMPT_CLEAN=" ${bold_green}✓${normal}"
SCM_GIT_CHAR="${bold_green}±${normal}"
SCM_SVN_CHAR="${bold_cyan}⑆${normal}"
SCM_HG_CHAR="${bold_red}☿${normal}"

#Mysql Prompt
export MYSQL_PS1="(\u@\h) [\d]> "

case $TERM in
	xterm*)
		TITLEBAR="\[\033]0;\w\007\]"
		;;
	*)
		TITLEBAR=""
		;;
esac

PS3=">> "

__my_rvm_ruby_version() {
	local gemset=$(echo $GEM_HOME | awk -F'@' '{print $2}')
	[ "$gemset" != "" ] && gemset="@$gemset"
	local version=$(echo $MY_RUBY_HOME | awk -F'-' '{print $2}')
	local full="$version$gemset"
	[ "$full" != "" ] && echo "[$full]"
}

is_vim_shell() {
	if [ ! -z "$VIMRUNTIME" ]; then
		echo "[${cyan}vim shell${normal}]"
	fi
}

# show chroot if exist
chroot() {
	if [ -n "$debian_chroot" ]; then
		my_ps_chroot="${bold_cyan}$debian_chroot${normal}"
		echo "($my_ps_chroot)"
	fi
}

# show virtualenvwrapper
my_ve() {
	if [ -n "$VIRTUAL_ENV" ]; then
		my_ps_ve="${bold_purple}$ve${normal}"
		echo "($my_ps_ve)"
	fi
	echo ""
}

prompt() {
	SCM_PROMPT_FORMAT="[%s$GREEN%s]"
	my_ps_host="$BOLD$ORANGE\h${normal}"
	# yes, these are the the same for now ...
	my_ps_host_root="$ORANGE\h${normal}"

	my_ps_user="$BOLD$GREEN\u${normal}"
	my_ps_root="${bold_red}\u${normal}"

	if [ -n "$VIRTUAL_ENV" ]; then
		ve=$(basename "$VIRTUAL_ENV")
	fi

	# nice prompt
	case "$(id -u)" in
		0)
			PS1="\n${TITLEBAR}${BRACKET_COLOR}┌─${normal}$(my_ve)$(chroot)[$my_ps_root][$my_ps_host_root]$(scm_prompt)$(__my_rvm_ruby_version)[${green}\w${normal}]$(is_vim_shell)${BRACKET_COLOR}
└─▪ ${prompt_symbol} ${normal}"
			;;
		*)
			PS1="\n${TITLEBAR}${BRACKET_COLOR}┌─${normal}$(my_ve)$(chroot)[$my_ps_user][$my_ps_host]$(scm_prompt)${normal}$(__my_rvm_ruby_version)[${green}\w${normal}]$(is_vim_shell)${BRACKET_COLOR}
└─▪ ${prompt_symbol} ${normal}"
			;;
	esac
}

PS2="└─▪ "

safe_append_prompt_command prompt
