#!/bin/sh

# Hardcoded variables
ZAF_VERSION="trunk"
ZAF_URL="https://raw.githubusercontent.com/limosek/zaf/master/"

ZAF_CFG_FILE="/etc/zaf.conf"
if [ -f $ZAF_CFG_FILE ]; then
	. $ZAF_CFG_FILE
else
	echo "Missing config file $ZAF_CFG_FILE! Exiting."
	exit 2
fi
[ -d $(dirname $0)/.git ] && ZAF_LIB_DIR=$(dirname $0)/lib

[ -z "$ZAF_TMP_BASE" ] && ZAF_TMP_BASE=/tmp/zaf
ZAF_TMP_DIR="${ZAF_TMP_BASE}-${USER}"
trap "rm -rif ${ZAF_TMP_DIR}" EXIT
! [ -d "${ZAF_TMP_DIR}" ] && mkdir "${ZAF_TMP_DIR}"
[ -z "$ZAF_DEBUG" ] && ZAF_DEBUG=1

. ${ZAF_LIB_DIR}/zaf.lib.sh
. ${ZAF_LIB_DIR}/os.lib.sh
. ${ZAF_LIB_DIR}/ctrl.lib.sh
[ -f ${ZAF_LIB_DIR}/zaf.${ZAF_OS}.sh ] && . ${ZAF_LIB_DIR}/zaf.${ZAF_OS}.sh

case $1 in

check-agent-config)
	zaf_check_agent_config
	;;

update)
	zaf_update_repo
	;;

show)
	if [ -z "$2" ]; then
		zaf_list_plugins | while read plugin; do
			zaf_plugin_info $ZAF_PLUGINS_DIR/$plugin/control.zaf
		done
	else		
		if zaf_list_plugins | grep -q "^$2"; then
			zaf_plugin_info $ZAF_PLUGINS_DIR/$2/control.zaf
		else
			zaf_prepare_plugin "$2" "$ZAF_TMP_DIR/plugin"
			zaf_plugin_info "$ZAF_TMP_DIR/plugin/control.zaf"
		fi
	fi
	;;

list)
	zaf_list_plugins
	;;

list-items)
	if [ -z "$2" ]; then
		zaf_list_items
	else
		zaf_list_plugin_items "$2"
	fi
	;;

test-items)
	zaf_show_plugin "$2" tst
	;;

install)
	shift;
	[ -z "$@" ] && echo "$0 install plugin [plugin]..."
	for p in $@; do
		if zaf_is_plugin "$p"; then
			zaf_wrn "Plugin $p already installed. Skipping installation."
			continue
		fi
		zaf_install_plugin "$p"
		installed=1
	done
	[ -n "$installed" ] && zaf_is_root && zaf_restart_agent
	;;

reinstall)
	shift;
	[ -z "$@" ] && echo "$0 reinstall plugin [plugin]..."
	for p in $@; do
		if zaf_is_plugin "$p"; then
			zaf_remove_plugin "$p"
			reinstalled=1
		fi
		zaf_install_plugin "$p"
		reinstalled=1
	done
	[ -n "$reinstalled" ] && zaf_is_root && zaf_restart_agent
	;;

remove)
	shift;
	[ -z "$@" ] && echo "$0 remove plugin [plugin]..."
	for p in $@; do
		if zaf_is_plugin "$p"; then
			zaf_remove_plugin "$p"
			removed=1
		fi
	done
	[ -n "$removed" ] && zaf_is_root && zaf_restart_agent
	;;

self-upgrade)
	rm -rf /tmp/zaf-installer && mkdir /tmp/zaf-installer
	if zaf_fetch_url $ZAF_URL/install.sh >/tmp/zaf-installer/install.sh; then
		cd /tmp/zaf-installer && ./install.sh
	else
		echo "Cannot fetch uri $ZAF_URL/install.sh!"; 
	fi
	;;
	
self-remove)
	if [ "$2" = "force" ]; then  
	  rm -rf /etc/zaf.conf ${ZAF_PLUGINS_DIR} ${ZAF_REPO_DIR} ${ZAF_LIB_DIR} /usr/bin/zaf ${ZAF_AGENT_CONFIGD}/zaf_*
	else
	  echo "This will remove zaf from this computer and erase all configuration."
	  echo "To continue, please do $0 self-remove force"
	fi
      ;;

*)
	echo "$0 update			To update repo" 
	echo "$0 list			To list installed plugins"
	echo "$0 show [plugin]		To show installed plugins or plugin info"
	echo "$0 list-items [plugin]	To list all suported items [for plugin]"
	echo "$0 test-items plugin	To test all suported items for plugin"
	echo "$0 install plugin		To install plugin"
	echo "$0 remove plugin		To remove plugin" 
	echo "$0 self-upgrade		To self-upgrade zaf"
	echo "$0 self-remove		To self-remove zaf and its config"
	;;

esac