schema-create

#!/bin/bash

APP="$(basename "${PWD}" | sed -e "s/^osiota-app-//g" -e "s/^er-app-//g")"

TARGET="index.js"
if test "x$1" != "x"
then
	TARGET="$1"
fi

SCHEMAFILE="schema.json"
if test "x${TARGET}" != "xindex.js"
then
	SCHEMAFILE="$(echo "${TARGET}" | sed -e "s/\.js/-schema.json/g")"
fi
echo "schema: ${SCHEMAFILE}"

if test -f "${SCHEMAFILE}"
then
	echo "Error: ${SCHEMAFILE} already exists."
	exit 1
fi

KEYS="$(grep -o "app_config\.[a-zA-Z0-9_]*" "${TARGET}" | sort | uniq | sed -e "s/app_config\.//g")"

(
	cat <<EOF
{
	"\$schema": "http://json-schema.org/draft/2019-09/schema#",
	"type": "object",
	"title": "osiota application ${APP}",
	"description": "This application ... .",
	"properties": {
EOF
for key in ${KEYS}
do
	if test "x${key}" == "xmap"
	then
		cat <<EOF
		"${key}": {
			"type": "array",
			"description": "Mapping elements",
			"items": {
				"type": "object",
				"properties": {
					"key": {
						"type": "string"
					}
				}
			}
		}
EOF
	else
		cat <<EOF
		"${key}": {
			"type": "string",
			"description": "Debug output text",
			"examples": [ "Hello World!" ]
		}
EOF
	fi
done
	cat <<EOF
	}
}
EOF

) > "${SCHEMAFILE}"