function SETUP__CONFIG() {
	STATUS 'starting application configuration'

	SCWRYPTS system/config/update || return 1

	CONFIG__ZSH || return 2
	CONFIG__VIM || return 3

	CONFIG__SYSTEM || return 4

	SCWRYPTS generate i3 config || return 5

	SUCCESS 'finished application configuration'
}

#####################################################################

CONFIG__ZSH() {
	#CONFIG__ENV zsh || return 1
	#CONFIG__RC  zsh || return 2
	CONFIG__SET_DEFAULT_SHELL || return 3
}

CONFIG__SET_DEFAULT_SHELL() {
	local DEFAULT_SHELL=$(awk -F: -v user="$USER" '$1 == user {print $NF}' /etc/passwd)
	[[ $DEFAULT_SHELL =~ zsh ]] && return 0

	[ $FORCE_ROOT ] && return 0

	STATUS 'setting zsh as default shell'
	sudo chsh -s $(which zsh) $(whoami) 2>&1 \
		&& SUCCESS "set zsh as default shell for '$USER'" \
		|| FAIL 1 'failed to set zsh as default shell' \
		;
}

#####################################################################

CONFIG__VIM() {
	CONFIG__RC  vim || return 1

	STATUS 'starting vim setup'
	SCWRYPTS --name system/vim/vundle/install --group scwrypts --type zsh || return 1
}

#####################################################################

CONFIG__SYSTEM() {
	STATUS "configuring system applications"
	local \
		SYSTEM_APPLICATION \
		SOURCE_DIR SOURCE_CONFIG \
		SYSTEM_DIR SYSTEM_CONFIG \
		;

	for SOURCE_DIR in $(find "$DOTWRYN_PATH/config/system/" -mindepth 1 -maxdepth 1 -type d)
	do
		SYSTEM_APPLICATION="$(echo "$SOURCE_DIR" | sed 's|.*/||')"

		case $SYSTEM_APPLICATION in
			( ssh | sshd )
				SYSTEM_DIR=/etc/ssh/${SYSTEM_APPLICATION}_config.d
				;;
			( * )
				SYSTEM_DIR=''
				;;
		esac

		[ "$SYSTEM_DIR" ] && sudo [ -d "$SYSTEM_DIR" ] \
			|| continue

		for SOURCE_CONFIG in $(find "$SOURCE_DIR" -mindepth 1 -maxdepth 1 -type f)
		do
			SYSTEM_CONFIG="$SYSTEM_DIR/$(basename -- "$SOURCE_CONFIG")"

			sudo [ -f "$SYSTEM_CONFIG" ] && {
				echo "detected existing config '$SYSTEM_CONFIG'; skipping"
				continue
			}

			sudo ln -s "$SOURCE_CONFIG" "$SYSTEM_CONFIG"
		done
	done
}

#####################################################################

CONFIG__ENV() {
	local DEFAULT_CONFIG="$DOTWRYN_PATH/config/dotwryn.env.$1"
	local LOCAL_CONFIG="$HOME/.config/wryn/env.$1"

	[ -f $LOCAL_CONFIG ] && {
		case $OVERWRITE_EXISTING in
			0 ) return 0 ;;
			1 )
				WARNING "local $1 configuration exists ($LOCAL_CONFIG)"
				yN 'overwrite this configuration?' || return 0

				mv "$LOCAL_CONFIG" "$LOCAL_CONFIG.bak" >/dev/null 2>&1 \
					&& INFO "created backup of local configuration ($LOCAL_CONFIG.bak)"
		esac
	}

	STATUS "setting up $1 configuration ($LOCAL_CONFIG)"

	case $1 in
		zsh ) COMMENT='#' ;;
	esac

	{
		echo "source $DEFAULT_CONFIG"
		echo -e "\\n$COMMENT\n$COMMENT .wryn configuration overrides\n$COMMENT\n"
		sed "s/^[^$COMMENT].*/$COMMENT&/" $DEFAULT_CONFIG
	} > $LOCAL_CONFIG \
		&& SUCCESS "created $1 configuration" \
		|| FAIL 1 "unable to create $1 configuration" \
		;

	EDITOR=vim VISUAL=vim EDIT "$LOCAL_CONFIG"
}


CONFIG__RC() {
	local TYPE="$1"
	local RC="$HOME/.${TYPE}rc";

	local SOURCE_LINE
	case $TYPE in
		zsh ) SOURCE_LINE="source $DOTWRYN_PATH/zsh/rc" ;;
		vim ) SOURCE_LINE="source $DOTWRYN_PATH/vim/rc.vim" ;;
	esac

	grep -q "^$SOURCE_LINE$" "$RC" \
		|| echo "$SOURCE_LINE" >> $RC

	grep -q "^$SOURCE_LINE$" "$RC" \
		&& SUCCESS "${TYPE}rc is configured correctly" \
		|| FAIL 1 "failed to configure ${TYPE}rc" \
		;
}