#! /bin/sh

# terminal fallback stuff
fix_term ()
{
	# we were requested to go on screen and we are on a mac
	if infocmp $1 >/dev/null 2>&1 ; then
		echo $1
	else
		case $1 in
			xterm-termite)
				fix_term xterm-256colors
			;;
			rxvt|xterm?*|kterm|putty|screen)
				fix_term xterm
			;;
			*rxvt?*|Eterm|aterm)
				fix_term rxvt
			;;
			mlterm)
				fix_term kterm
			;;
			screen-256colors-bce)
				fix_term screen-256colors
			;;
			screen-256colors)
				if infocmp xterm-256colors >/dev/null 2>&1 ; then
					fix_term xterm-256colors
				else
					fix_term screen
				fi
			;;
			screen?*)
				fix_term screen
			;;
			putty-vt100)
				echo "vt100"
			;;
			putty-256color)
				fix_term xterm-256color
			;;
			*)
				echo "vt100"
			;;
		esac
	fi
}

# sorta hacky, but I cannot find a better way to do this :/
fix_terminfo_db ()
{
	if [ -d "$1" ] && [ `command -v infocmp 2>/dev/null` = "$1/bin/infocmp" ] ; then
		TERMINFO="$1/share/terminfo"
		export TERMINFO
	fi
}

if command -v infocmp >/dev/null 2>&1 ; then
	# terminal surgery
	case `uname -s` in
		Interix)
			fix_terminfo_db "/usr/local"
		;;
		SunOS)
			fix_terminfo_db "/opt/csw"
		;;
		Darwin)
			fix_terminfo_db "/opt/local"
		;;
	esac

	if [ -n "${COLORTERM}" -o -n "${XTERM_VERSION}" -o -n "${TERM_PROGRAM}" ]; then
		if [ "${COLORTERM}" = "gnome-terminal" ] ; then
			TERM="xterm-256color"
		fi
	elif [ -n "${SSH_TTY}" ] ; then
		answerback_cmd="answerback.`uname -s`"
		if command -v ${answerback_cmd} >/dev/null 2>&1 ; then
			ANSWERBACK=`${answerback_cmd} 2>/dev/null`
			export ANSWERBACK
		fi
	fi

	TERM=`fix_term $TERM`

	# I am sorry to hear that you are running an
	# xterm that has no colors (I am looking at you solaris)
	if [ $TERM = xterm ] && command -v tput >/dev/null 2>&1 && [ `tput -T xterm colors` = -1 ] ; then
		# lets see what we can do about your terrible term
		TERM=`fix_term xterm-color`
	fi

	export TERM

	case $TERM in
		*256*|xterm-termite)
			alias screen="screen -T `fix_term xterm-256color`"
		;;
		linux)
			# Tango palette for framebuffers
			printf "\033]P02e3436" #black
			printf "\033]P8555753" #darkgray
			printf "\033]P1cc0000" #darkred
			printf "\033]P9ef2929" #red
			printf "\033]P24e9a06" #darkgreen
			printf "\033]PA8ae234" #green
			printf "\033]P3c4a000" #brown
			printf "\033]PBfce94f" #yellow
			printf "\033]P43465a4" #darkblue
			printf "\033]PC729fcf" #blue
			printf "\033]P575507b" #darkmagenta
			printf "\033]PDad7fa8" #magenta
			printf "\033]P606989a" #darkcyan
			printf "\033]PE34e2e2" #cyan
			printf "\033]P7ffffff" #lightgray
			printf "\033]PFeeeeec" #white
		;;
	esac
fi