#/bin/bash

function default_workspace() {
	local dir=""
	is_set 'workspace'
	if [ $? -eq 1 ]; then dir=$(get_parameter 'workspace'); fi
	is_set 'w'
	if [ $? -eq 1 ]; then dir=$(get_parameter 'w'); fi

	if [ -z "$dir" ]; then dir="."; fi

	if [[ ! "$dir" =~ ^/ ]]; then dir=$(echo "$(pwd)/$dir" | sed 's?/\.$??'); fi
	echo $dir
}

function check_workspace() {
	local dir=$1
	if [ -r "$dir/$FILE_WORKSPACE_ROOT" ]; then
		return 1
	else
		return 0
	fi
}

function locate_nearest_workspace() {
	local next_dir=$1
	if [ -d $next_dir ]; then next_dir=$(realpath $next_dir); fi
	for i in $(echo 1 2 3 4); do
		check_workspace $next_dir
		if [ $? -eq 1 ]; then
			# Workspace found
			echo $next_dir
			return
		else
			next_dir=$next_dir/../
			if [ -d $next_dir ]; then next_dir=$(realpath $next_dir); fi
		fi
	done
	echo "~none~"
	return
}

function assert_workspace() {
	local mode=$1
	if [ -n "$DIR_WORKSPACE" ]; then return 0; fi
	local start_from=$(default_workspace)
	DIR_WORKSPACE=$(locate_nearest_workspace $start_from)
	if [ "$DIR_WORKSPACE" == "~none~" ]; then
		DIR_WORKSPACE="";
		if [ "$mode" != "quiet" ]; then error_echo "No valid workspace found around here..."; fi
		return 1
	fi
	debug "DIR_WORKSPACE is $DIR_WORKSPACE"
	return 0
}


function action_init() {
	# Detect any existing worspace
	EXISTING_WORKSPACE=$(locate_nearest_workspace .)
	if [ "$EXISTING_WORKSPACE" != "~none~" ]; then
		error_echo "You cannot create a workspace within a workspace!"
		error_echo "Detected workspace location: '$EXISTING_WORKSPACE'"
		return 1
	fi

	# Set workspace directory
	DIR_WORKSPACE=$(default_workspace)
	confirm "Do you want to initialize workspace: '${DIR_WORKSPACE}'?"
	if [ $? -eq 0 ]; then return 0; fi

	# Create directory
	color_echo_n "Creating directory '${DIR_WORKSPACE}'... "
	mkdir -p $DIR_WORKSPACE
	check_rc_echo $?
	if [ $? -ne 0 ]; then return 1; fi

	color_echo_n "Adding workspace flag file... "
	touch $DIR_WORKSPACE/$FILE_WORKSPACE_ROOT
	check_rc_echo $?
	if [ $? -ne 0 ]; then return 1; fi

	color_echo_n "Importing skeleton files... "
	cp -rp $DIR_WORKSPACE_TEMPLATE/* $DIR_WORKSPACE/
	check_rc_echo $?
	if [ $? -ne 0 ]; then return 1; fi

	return 0
}