#!/bin/bash
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: scripts/Config
# Copyright (C) 2006 - 2012 The OpenSDE Project
# Copyright (C) 2004 - 2006 The T2 SDE Project
# Copyright (C) 1998 - 2003 Clifford Wolf
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---

if [ -z "${lines:=$LINES}" -o -z "${columns:=$COLUMNS}" ] ; then
	if [ "$( type -p stty )" ] ; then
		lines="$(   stty size 2> /dev/null | cut -d' ' -f1 )"
		columns="$( stty size 2> /dev/null | cut -d' ' -f2  )"
	fi
	[ -z "$lines"   -o "$lines"   -le 0 ] 2> /dev/null && lines=24
	[ -z "$columns" -o "$columns" -le 0 ] 2> /dev/null && columns=80
fi

. "lib/libsde.in"

config=default
do_config_cycle=0
delete_mode=0
oldconfig=
nobashmod=
cfgtmpdir=
profile=
target=

show_usage() {
	echo
	echo "Usage: $0 [ -delete | -oldconfig | -t <target> ] [ -cfg <config> ]"
	echo
	echo "Other options:"
	echo "	-profile	create a config.profile with profiling data"
	echo "	-nobashmod	don't use the bash config helper plugin"
	echo
}

while [ "$1" ] ; do
        case "$1" in
	    -cycle)	do_config_cycle=1 ; shift ;;
	    -delete)	delete_mode=1     ; shift ;;
	    -profile)	profile='-profile'        ; shift ;;
	    -oldconfig)	oldconfig='-oldconfig'    ; shift ;;
	    -nobashmod)	nobashmod='-nobashmod'    ; shift ;;
	    -cfg)	config="$2"       ; shift ; shift ;;
	    -t)		target="$2"	  ; shift ; shift ;;

	    *)  show_usage
		exit 1 ;;
        esac
done

if [ -z "$config" ]; then
	show_usage
	exit 1
fi

if [ ! -d config/$config -a -n "$oldconfig" ]; then
	echo "Abort: -oldconfig is not supported for new configs"
	echo
	exit 1
fi

if [ -n "$target" ]; then
	if [ -d "config/$config" ]; then
		echo "Abort: -t is not supported for old configs"
		echo
		exit 1
	elif [ ! -s "target/$target/config.in" ]; then
		echo "Abort: $target: target doesn't exist"
		echo
		exit 1
	else
		mkdir "config/$config"
		echo "export SDECFG_TARGET='$target'" > config/$config/config
		oldconfig="-oldconfig"
	fi
fi

if [ $delete_mode = 1 ] ; then
	rm -rv config/$config
	exit $?
fi

cfgtmpdir=tmp/$config

if [ $do_config_cycle = 0 ] ; then
	rm -rf $cfgtmpdir
	mkdir -p $cfgtmpdir	# src

	if [ -z "$oldconfig" -a ! -f tmp/confdialog.bin ] ; then
		echo "Creating confdialog tool."
		command="gcc src/confdialog/*.c `
			`-Isrc/confdialog -lncurses -o tmp/confdialog.bin"
		set -e
		echo "$command" ; eval "$command.$$"
		mv tmp/confdialog.bin.$$ tmp/confdialog.bin
		set +e
	fi

	# don't accept Ctrl-C because it destroy the configurations
	trap '' INT

	if [ -d "config/$config" ]; then
		if ./lib/sde-config/migrate.sh "$config"; then
			mkdir -p $cfgtmpdir/config/
			cp -a config/$config/* $cfgtmpdir/config/
			if [ $? -ne 0 ]; then
				echo "Copy of config failed, aborting."
				exit 1
			fi
		fi
	fi

	echo "Starting OpenSDE ($sdever) configuration ..."
	while "$0" -cfg $config $oldconfig $profile $nobashmod -cycle ; do : ; done

	trap INT

	exit 0
fi

if [ -z "$nobashmod" ]; then
	if [ ! -f tmp/config_helper.so -o src/tools-source/config_helper.c -nt tmp/config_helper.so ]; then
		echo "Building tmp/config_helper.so."
		gcc -shared -fPIC -Wall -o tmp/config_helper.so src/tools-source/config_helper.c || exit 1
	fi
	enable -f tmp/config_helper.so cfghlp || exit 1
fi

if [ -z "$profile" ]; then
	bprof() { :; }
	bprof_print() { :; }
else
	if [ ! -f tmp/bash_profiler.so -o src/tools-source/bash_profiler.c -nt tmp/bash_profiler.so ]; then
		echo "Building tmp/bash_profiler.so."
		gcc -shared -fPIC -Wall -o tmp/bash_profiler.so src/tools-source/bash_profiler.c || exit 1
	fi
	enable -f tmp/bash_profiler.so bprof || exit 1
	bprof_print() {
		local cprof=$cfgtmpdir/config.profile
		bprof all print >> $cprof
		awk '
			$4 == "profiled" { next; }
			$4 != "main" { count["profiled"]+=$1; time["profiled"]+=$2; }
			{ count[$4]+=$1; time[$4]+=$2; }
			END {
				for (id in count)
					printf "%7d %7Ld %10.3f %s\n", count[id], time[id], time[id]/count[id], id;
			}
		' < $cprof | sort -n -k2 > $cprof.new
		mv $cprof.net $cprof
	}
fi

bprof main start

. lib/sde-config/functions.in
arch=`uname -m | uname2arch`
current= ; export SDECFG_ARCH="$arch" ; export SDECFG_EXPERT=0
menu_this=0 ; menu_current=0 ; menu_counter=0
menu_stack=x ; menu_back=-1 ; menu_backpos=-1

set -e
mkdir -p $cfgtmpdir/config
touch $cfgtmpdir/config/{config,packages}
set +e

configtitle="$(printf ' %-50s %6s active packages ]' \
	"OpenSDE ($sdever) Configuration - $config" \
	"[ $(echo `grep '^X' $cfgtmpdir/config/packages | wc -l`)" )"

bprof main stop

. $cfgtmpdir/config/config
bprof main start

rm -f $cfgtmpdir/config.{dialog,data,help}
touch $cfgtmpdir/config.{dialog,data,help}
$ECHO_E "#\n# OpenSDE ($sdever) Config File\n#" > $cfgtmpdir/config/config
spacer= ; expert=0 ; tabspace="5" ; tabspace_list=
commentnr=0 ; editfilenr=0

bprof mkpkglist start
cmd="./bin/sde-list package --arch '$SDECFG_ARCH'"

if [ "$cmd" != "`cat $cfgtmpdir/config.pcache.cmd 2> /dev/null`" ] ; then
	eval "$cmd" | tee $cfgtmpdir/config.pcache.data > $cfgtmpdir/config/packages
	echo "$cmd" > $cfgtmpdir/config.pcache.cmd
else
	cat $cfgtmpdir/config.pcache.data > $cfgtmpdir/config/packages
fi
bprof mkpkglist stop

# Create lists of .in files
create_dot_in_lists

export SDECFG_ID="$sdever"; pkgin; . lib/sde-config/main.in; pkgout
echo "export SDECFG_ID='$SDECFG_ID'" >> $cfgtmpdir/config/config
rm -f $cfgtmpdir/*.tmp

cut -f1,2,4,5,8- -d' ' $cfgtmpdir/config/packages | sed 's, [^ ]*$,,' | \
tr ' ' '\t' | expand -t2,15,35, > $cfgtmpdir/packages.txt

configtitle="$(printf ' %-50s %6s active packages ]' \
	"OpenSDE ($sdever) Configuration - $config" \
	"[ $(echo `grep '^X' $cfgtmpdir/config/packages | wc -l`)" )"

bprof main stop

if [ -z "$oldconfig" ] ; then
    eval "./tmp/confdialog.bin --title 'Build Config' \
	--backtitle '$configtitle' \
	--menu 'Arrow keys navigate the menu.  Press <Enter> to activate menu items.  Highlighted letters are hotkeys.' \
	$(( $lines - 4 )) $(( $columns - 5 )) $(( $lines - 12 )) \
	'$current' `tr '\n' ' ' < $cfgtmpdir/config.dialog`" 2> $cfgtmpdir/config.out
    returncode=$? ; item="`cat $cfgtmpdir/config.out`"
else
    returncode=1
fi

bprof main start

[ "$returncode" = 1 -a "$menu_back" -ne -1 ] && returncode="menu-back"

case "$returncode" in
	0|6)
		command="`grep "^$item	" $cfgtmpdir/config.data | cut -f2-`"
		{ $ECHO_E "\n# Remember menu position:\ncurrent='$item'"
		$ECHO_E "\n# Remember sub-menu:\nmenu_current='$menu_current'"
		$ECHO_E "\n# Execute this config command:\n$command"
		} >> $cfgtmpdir/config/config
		;;
	menu-back)
		{ $ECHO_E "\n# New menu position:\ncurrent='$menu_backpos'"
		$ECHO_E "\n# New sub-menu:\nmenu_current='$menu_back'"
		} >> $cfgtmpdir/config/config
		;;
	1|255)
		mkdir -p config/$config
		# sync
		# TODO: make this nicer, but still sudo-friendly
		for x in config/$config/*; do
			# skip symlinks
			[ ! -L "$x" ] || continue

			y="$cfgtmpdir/config/${x##*/}"
			if [ ! -e "$y" ]; then
				rm -f "$x"
			else
				# to not change the permissions (sudo-friendliness)
				cat "$y" > "$x"
				rm -f "$y"
			fi
		done
		for y in "$cfgtmpdir/config"/* ; do 2> /dev/null
			if [ -L "$y" ]; then
				: # skip symlinks
			elif [ -e "$y" ]; then
				cp -a "$y" config/$config/
			fi
			rm -f "$y"
		done
		rmdir $cfgtmpdir/config && rm -rf $cfgtmpdir/
		echo "New config written to config/$config/*."
		echo "Cleaning up. Configuration finished."
		bprof main stop
		bprof_print
		exit 1 ;;
	2)
		tempitem=$item
		item=$(echo $item | cut -f1 -d' ')  # dialog(1) bug?
		{ $ECHO_E "\n# Remember menu position:\ncurrent='$item'"
		$ECHO_E "\n# Remember sub-menu:\nmenu_current='$menu_current'"
		} >> $cfgtmpdir/config/config

		get_help $item > $cfgtmpdir/config.dialog

		bprof main stop
		./tmp/confdialog.bin --title 'OpenSDE Config - Help' \
			--backtitle "OpenSDE ($sdever) Configuration" \
			--textbox $cfgtmpdir/config.dialog \
			$(( $lines - 4 )) $(( $columns - 5 ))
		bprof main start
		;;
	*)
		echo "unknown returncode: $returncode"
		bprof main stop
		bprof_print
		exit 1 ;;
esac

bprof main stop
bprof_print

exit 0