#/bin/bash

function action_list() {
	# Check workspace
	assert_workspace; if [ $? -eq 1 ]; then return 1; fi

	# List exams
	verbose "List of exams in current workspace:"
	for exam in $(find $DIR_WORKSPACE/$DIR_EXAMS -mindepth 1 -maxdepth 1 -type d -exec basename {} \; | sort); do
		color_echo "$exam"
	done

	# Done
	return 0
}

function get_exam_list() {
	assert_workspace "quiet"; if [ $? -eq 1 ]; then return 1; fi
	find $DIR_WORKSPACE/$DIR_EXAMS -mindepth 1 -maxdepth 1 -type d -exec basename {} \; | sort
}

function action_add-exam() {
	# Check workspace
	assert_workspace; if [ $? -eq 1 ]; then return 1; fi

	# Set source
	DIR_EXAM=$DIR_WORKSPACE_TEMPLATE/$DIR_EXAMS/skel

	if [ ! -d $DIR_EXAM ]; then
		error_echo "Directory '$DIR_EXAM' not found."
		return 1
	fi

	is_set 'exam'
	if [ $? -eq 1 ]; then DESTINATION=$(get_parameter 'exam'); fi
	is_set 'e'
	if [ $? -eq 1 ]; then DESTINATION=$(get_parameter 'e'); fi

	if [ -z "$DESTINATION" ]; then error_echo "No exam name provided. Add parameter 'exam=exam-name' to your command line. ('$ bamc add-exam -p exam=exam_name')"; return 1; fi

	# Set destination
	DESTINATION=$DIR_WORKSPACE/$DIR_EXAMS/$DESTINATION

	if [ -d $DESTINATION ]; then
		warn "This exam already exists!"
		confirm "Do you want to write in existing exam '$(basename $DESTINATION)' ?"
		if [ $? -eq 0 ]; then return 1; fi
	fi

	# Copy
	color_echo_n "Creating new exam '$(basename $DESTINATION)' from '$DIR_EXAM'... "
	cp -rp $DIR_EXAM $DESTINATION
	check_rc_echo $?
	return $?
}

function assert_exam() {
	# Check workspace
	assert_workspace; if [ $? -eq 1 ]; then return 1; fi

	local exam=$1
	local mode=$2
	if [ ! -d $DIR_WORKSPACE/$DIR_EXAMS/$exam ]; then
		if [ "$mode" != "quiet" ]; then error_echo "This exam does not exists: '$exam'. Please check the list of exams in this workspace using the 'list' action."; fi
		return 1
	fi
	return 0
}

function get_exam_parameter() {
	cat $DIR_WORKSPACE/$DIR_EXAMS/$1/$FILE_EXAM | grep "^$2:" | cut -d ':' -f 2-
}

function get_lang() {
	get_exam_parameter $1 'LANG'
}

# EOF