#!/bin/bash
# This procedure is EARLY in development!!
# This is a procedure for automatic deployment/installation/configuration of systems. # TODO: document! (readme, notes about deployment profiles, examples, ...)

# In theory, the only manual thing should maybe be configuring the runtime network and putting the configfile in place
# TODO: I don't know if you can do non-interactive dm_crypt stuff.. maybe by pulling luks keyfiles from svn/git/..?

depend_module yaourt
depend_procedure core base

var_OPTS_STRING="c:"
var_ARGS_USAGE="-c <config>: Specify a configfile (profile) to be used (optional)" #if we need some settings that we're missing, we'll ask for them

phase_preparation+=(runtime_settings)
phase_preparation+=(msg_automatic) # this can happen probably a bit earlier..
phase_preparation+=(fetch_configs)
process_args ()
{
	if [ "$1" = '-c' ]
	then
		[ -z "$2" ] && die_error "You must specify a config"
		source $2 || die_error "Could not source config $2"
	else
		usage
		exit 5
        fi
}


worker_intro ()
{
	notify "Automatic procedure running..."
}


worker_configure ()
{
	var_UI_TYPE=${arg_ui_type:-cli}
}


# not used
worker_msg_manual ()
{
	notify "A few manual things need to happen first..."
}


worker_msg_automatic ()
{
	notify "**** From now on. everything will be automatic. Enjoy the show!" # not true: you need pass for dm_crypt
}


worker_fetch_configs ()
{
	true
}


worker_runtime_network ()
{
	if ask_yesno "Do you want to (re)-configure your networking?"
	then
		interactive_runtime_network
	else
		infofy "Ok. skipping network config"
	fi
}


# Check if we have all needed settings loaded from the profile
worker_runtime_settings ()
{
	if check_is_in svn "$var_RUNTIME_PACKAGES"
	then
		[ -z "$SVN_USERNAME" ] && ask_string "Please enter your svn username" && SVN_USERNAME=$ANSWER_STRING
		[ -z "$SVN_PASSWORD" ] && ask_password svn #TODO: if user entered incorrect password, the install process will just fail..
		[ -z "$SVN_BASE"     ] && ask_string "What's the base path of your svn repo? (no ending /) " && SVN_BASE=$ANSWER_STRING
		[ -z "$DEPLOY_CLASS" ] && ask_string "Which hostclass are you installing? (optional)" '' 0 && DEPLOY_CLASS=$ANSWER_STRING
		SVN="svn --username $SVN_USERNAME --password $SVN_PASSWORD"
	elif check_is_in moo "$var_RUNTIME_PACKAGES"
	then
		# Maybe more stuff later
		true
	fi
	[ -z "$HOSTNAME" ] && ask_string "Hostname of target system?" && HOSTNAME=$ANSWER_STRING
}


worker_prepare_disks ()
{
	process_disks       || die_error "Could not process_disks"
	if ! process_filesystems
	then
		show_warning "Could not process_filesystems"
		txt='also failed to execute properly'
		rollback_filesystems && txt='ended successfully'
		die_error "Something failed while processing the filesystem.  A rollback was executed, which $txt"
	fi
	infofy "Partitions and filesystems made successfully"

	# TODO: fstab? auto-add to fstab with libs? auto mkdir's on target_dir?
	true	
}

worker_package_list ()
{
	$SVN export $SVN_BASE/ddm-configs/$TARGET_HOST/trunk/package-list $var_PKG_FILE || die_error "Could not export package list!"
	# cat -> there are newlines in it -> var=`echo $var` -> not anymore :)
	TARGET_PACKAGES=`cat $var_PKG_FILE` && TARGET_PACKAGES=`echo $TARGET_PACKAGES` || die_error "Could not cat package list. THIS SHOULD NEVER HAPPEN."
	true
}


worker_install_packages ()
{
        target_prepare_pacman core extra community #TODO: it would be better if this was a separate worker, i think
        [ -z "$TARGET_PACKAGES" ] && die_error "No packages listed to be installed!"
        installpkg
}


worker_configure_home ()
{
	#checkout from svn
	true
}


worker_set_clock ()
{
	#timezone="Europe/Brussels"
	#Not doing anything. hwclock is set already and configs are coming from svn anyway..
	true
}


worker_install_bootloader ()
{
	install-grub /dev/sda
}


worker_runtime_yaourt ()
{
	_yaourt_replace_pacman
}