#!/bin/sh
#-
# Copyright (c) 2012-2013 Devin Teske
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
#    notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
#    notice, this list of conditions and the following disclaimer in the
#    documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
#
############################################################ INCLUDES

BSDCFG_SHARE="/usr/share/bsdconfig"
. $BSDCFG_SHARE/common.subr || exit 1
f_dprintf "%s: loading includes..." "$0"
f_include $BSDCFG_SHARE/dialog.subr
f_include $BSDCFG_SHARE/mustberoot.subr
f_include $BSDCFG_SHARE/sysrc.subr

BSDCFG_LIBE="/usr/libexec/bsdconfig" APP_DIR="140.startup"
f_include_lang $BSDCFG_LIBE/$APP_DIR/include/messages.subr

f_index_menusel_keyword $BSDCFG_LIBE/$APP_DIR/INDEX "$pgm" ipgm &&
	pgm="${ipgm:-$pgm}"

############################################################ FUNCTIONS

# dialog_menu_main
#
# Display the dialog(1)-based application main menu.
#
dialog_menu_main()
{
	local prompt="$msg_miscellaneous_menu_text"
	local menu_list="
		'X $msg_exit' '$msg_exit_this_menu'
	" # END-QUOTE
	local defaultitem= # Calculated below
	local hline="$hline_arrows_tab_enter"

	# List of variables we'll need from rc.conf(5)
	local var_list="
		accounting_enable
		local_startup
		lpd_enable
		named_enable
		named_flags
		nis_client_enable
		nis_server_enable
		nisdomainname
		startup_dirs
	" # END-QUOTE

	# Add i386-specific variables if appropriate
	if [ "$UNAME_P" = "i386" ]; then
		var_list="$var_list
			apm_enable
		" # END-QUOTE
	fi

	# Obtain default-item (adjusted below for dynamic tags)
	f_dialog_default_fetch defaultitem
	local ditem="${defaultitem%%[$IFS]*}"

	eval "$(
		. "$RC_DEFAULTS"
		source_rc_confs
		export $var_list
		export msg_apm            msg_apm_desc
		export msg_startup_dirs   msg_startup_dirs_desc
		export msg_named          msg_named_desc
		export msg_named_flags    msg_named_flags_desc
		export msg_nis_client     msg_nis_client_desc
		export msg_nis_domainname msg_nis_domainname_desc
		export msg_nis_server     msg_nis_server_desc
		export msg_accounting     msg_accounting_desc
		export msg_lpd            msg_lpd_desc
		:| awk \
			-v uname_p="$UNAME_P"            \
			-v menu_tags="$DIALOG_MENU_TAGS" \
			-v menu_fmt="'%s' '%s'\n"        \
			-v mtag_fmt="%c [%c] %s"         \
			-v separator="' ' ' -- '\n"      \
			-v ditem="$ditem"                \
		'
		function mprint(tag,item)
		{
			printf menu_fmt, tag, item
		}
		END {
			i = 1
			defaultitem = ""

			printf "menu_list=\"$menu_list\n"

			if ( uname_p == "i386" )
			{
				#
				# APM: Auto-power management services
				#      (typically laptops)
				#
				char = substr(menu_tags, i++, 1)
				mark = ( ENVIRON["apm_enable"] ~ \
						/^[Yy][Ee][Ss]$/ ? "X" : " " )
				subtag = ENVIRON["msg_apm"]
				tag = sprintf(mtag_fmt, char, mark, subtag)
				mprint(tag, ENVIRON["msg_apm_desc"])
				if (ditem == char) defaultitem = tag
			}

			printf separator

			#
			# Startup dirs: Set the list of dirs to look for
			#               startup scripts
			#
			char = substr(menu_tags, i++, 1)
			mark = ( length(ENVIRON["local_startup"]) > 0 \
					? "X" : " " )
			subtag = ENVIRON["msg_startup_dirs"]
			tag = sprintf(mtag_fmt, char, mark, subtag)
			mprint(tag, ENVIRON["msg_startup_dirs_desc"])
			if (ditem == char) defaultitem = tag

			#
			# named: Run a local name server on this host
			#
			char = substr(menu_tags, i++, 1)
			mark = ( ENVIRON["named_enable"] ~ \
					/^[Yy][Ee][Ss]$/ ? "X" : " " )
			subtag = ENVIRON["msg_named"]
			tag = sprintf(mtag_fmt, char, mark, subtag)
			mprint(tag, ENVIRON["msg_named_desc"])
			if (ditem == char) defaultitem = tag

			#
			# named flags: Set default flags to named (if enabled)
			#
			char = substr(menu_tags, i++, 1)
			mark = ( length(ENVIRON["named_flags"]) > 0 \
					? "X" : " " )
			subtag = ENVIRON["msg_named_flags"]
			tag = sprintf(mtag_fmt, char, mark, subtag)
			mprint(tag, ENVIRON["msg_named_flags_desc"])
			if (ditem == char) defaultitem = tag

			#
			# NIS client: This host wishes to be an NIS client.
			#
			char = substr(menu_tags, i++, 1)
			mark = ( ENVIRON["nis_client_enable"] ~ \
					/^[Yy][Ee][Ss]$/ ? "X" : " " )
			subtag = ENVIRON["msg_nis_client"]
			tag = sprintf(mtag_fmt, char, mark, subtag)
			mprint(tag, ENVIRON["msg_nis_client_desc"])
			if (ditem == char) defaultitem = tag

			#
			# NIS domainname: Set NIS domainname (if enabled)
			#
			char = substr(menu_tags, i++, 1)
			mark = ( length(ENVIRON["nisdomainname"]) > 0 && \
					ENVIRON["nisdomainname"] != "NO" \
					? "X" : " " )
			subtag = ENVIRON["msg_nis_domainname"]
			tag = sprintf(mtag_fmt, char, mark, subtag)
			mprint(tag, ENVIRON["msg_nis_domainname_desc"])
			if (ditem == char) defaultitem = tag

			#
			# NIS server: This host wishes to be an NIS server.
			#
			char = substr(menu_tags, i++, 1)
			mark = ( ENVIRON["nis_server_enable"] ~ \
					/^[Yy][Ee][Ss]$/ ? "X" : " " )
			subtag = ENVIRON["msg_nis_server"]
			tag = sprintf(mtag_fmt, char, mark, subtag)
			mprint(tag, ENVIRON["msg_nis_server_desc"])
			if (ditem == char) defaultitem = tag

			printf separator

			#
			# Accounting: This host wishes to run process
			#             accounting.
			#
			char = substr(menu_tags, i++, 1)
			mark = ( ENVIRON["accounting_enable"] ~ \
					/^[Yy][Ee][Ss]$/ ? "X" : " " )
			subtag = ENVIRON["msg_accounting"]
			tag = sprintf(mtag_fmt, char, mark, subtag)
			mprint(tag, ENVIRON["msg_accounting_desc"])
			if (ditem == char) defaultitem = tag

			#
			# lpd: This host has a printer and wants to run lpd.
			#
			char = substr(menu_tags, i++, 1)
			mark = ( ENVIRON["lpd_enable"] ~ \
					/^[Yy][Ee][Ss]$/ ? "X" : " " )
			subtag = ENVIRON["msg_lpd"]
			tag = sprintf(mtag_fmt, char, mark, subtag)
			mprint(tag, ENVIRON["msg_lpd_desc"])
			if (ditem == char) defaultitem = tag

			printf "\"\n"

			if ( defaultitem )
				printf "defaultitem=\"%s\"\n", defaultitem
		}'
	)"

	local height width rows
	eval f_dialog_menu_size height width rows \
	                        \"\$DIALOG_TITLE\"     \
	                        \"\$DIALOG_BACKTITLE\" \
	                        \"\$prompt\"           \
	                        \"\$hline\"            \
	                        $menu_list

	local menu_choice
	menu_choice=$( eval $DIALOG \
		--title \"\$DIALOG_TITLE\"         \
		--backtitle \"\$DIALOG_BACKTITLE\" \
		--hline \"\$hline\"                \
		--ok-label \"\$msg_ok\"            \
		--cancel-label \"\$msg_cancel\"    \
		--default-item \"\$defaultitem\"   \
		--menu \"\$prompt\"                \
		$height $width $rows               \
		$menu_list                         \
		2>&1 >&$DIALOG_TERMINAL_PASSTHRU_FD
	)
	local retval=$?
	f_dialog_data_sanitize menu_choice
	f_dialog_menutag_store "$menu_choice"
	f_dialog_default_store "$menu_choice"
	return $retval
}

# dialog_input_value [ $prompt [ $init ] ]
#
# Prompt the user to input a value. If the user does not cancel or press ESC,
# the return value is zero ($SUCCESS) and $value holds the user's input.
#
dialog_input_value()
{
	local prompt="$1" _input="$2"

	f_dialog_title "$msg_value_required"
	f_dialog_input _input "$prompt" "$_input" "$hline_alnum_tab_enter"
	local retval=$?
	f_dialog_title_restore

	# Return if user has either pressed ESC or chosen Cancel/No
	[ $retval -eq $DIALOG_OK ] || return $retval

	value="$_input"
	return $DIALOG_OK
}

############################################################ MAIN

# Incorporate rc-file if it exists
[ -f "$HOME/.bsdconfigrc" ] && f_include "$HOME/.bsdconfigrc"

#
# Process command-line arguments
#
while getopts h$GETOPTS_STDARGS flag; do
	case "$flag" in
	h|\?) f_usage $BSDCFG_LIBE/$APP_DIR/USAGE "PROGRAM_NAME" "$pgm" ;;
	esac
done
shift $(( $OPTIND - 1 ))

#
# Initialize
#
f_dialog_title "$msg_miscellaneous_startup_services"
f_dialog_backtitle "${ipgm:+bsdconfig }$pgm"
f_mustberoot_init

#
# Launch application main menu
#
while :; do
	dialog_menu_main || f_die
	f_dialog_menutag_fetch mtag

	case "$mtag" in
	"X $msg_exit") break ;;
	?" [X] "*) toggled=1 reverse=NO ;;
	        *) toggled= reverse=YES
	esac

	case "$mtag" in
	# Simple On/Off toggle bits
	?" ["?"] $msg_apm")
		f_eval_catch -dk err "$0" f_sysrc_set \
			'f_sysrc_set apm_enable "%s"' "$reverse" ;;
	?" ["?"] $msg_named")
		f_eval_catch -dk err "$0" f_sysrc_set \
			'f_sysrc_set named_enable "%s"' "$reverse" ;;
	?" ["?"] $msg_accounting")
		f_eval_catch -dk err "$0" f_sysrc_set \
			'f_sysrc_set accounting_enable "%s"' "$reverse" ;;
	?" ["?"] $msg_lpd")
		f_eval_catch -dk err "$0" f_sysrc_set \
			'f_sysrc_set lpd_enable "%s"' "$reverse" ;;
	# Multi-variable On/Off toggle bits
	?" ["?"] $msg_nis_client")
		if f_eval_catch -dk err "$0" f_sysrc_set \
			'f_sysrc_set nis_client_enable "%s"' "$reverse"
		then
			[ "$reverse" = "NO" ] || f_eval_catch -dk err "$0" \
				f_sysrc_set 'f_sysrc_set rpcbind_enable YES'
		fi ;;
	?" ["?"] $msg_nis_server")
		if f_eval_catch -dk err "$0" f_sysrc_set \
			'f_sysrc_set nis_server_enable "%s"' "$reverse"
		then
			[ "$reverse" = "NO" ] || f_eval_catch -dk err "$0" \
				f_sysrc_set 'f_sysrc_set rpcbind_enable YES'
		fi ;;
	# Checkboxes for non-boolean options
	?" ["?"] $msg_nis_domainname")
		dialog_input_value "$msg_nis_domainname_desc" \
		                   "$( f_sysrc_get nisdomainname )" || continue
		f_eval_catch -dk err "$0" f_sysrc_set \
			'f_sysrc_set nisdomainname "%s"' "$value" ;;
	?" ["?"] $msg_startup_dirs")
		dialog_input_value "$msg_startup_dirs_desc" \
		                   "$( f_sysrc_get local_startup )" || continue
		f_eval_catch -dk err "$0" f_sysrc_set \
			'f_sysrc_set local_startup "%s"' "$value" ;;
	?" ["?"] $msg_named_flags")
		dialog_input_value "$msg_named_flags_desc" \
		                   "$( f_sysrc_get named_flags )" || continue
		f_eval_catch -dk err "$0" f_sysrc_set \
			'f_sysrc_set named_flags "%s"' "$value" ;;
	esac

	[ $? -eq $DIALOG_OK ] || f_dialog_msgbox "$err\n"
done

exit $SUCCESS

################################################################################
# END
################################################################################