Properties localProperties = new Properties()

def localPropertiesFile = project.rootProject.file('local.properties')

if (localPropertiesFile.exists()) {
    localProperties.load(localPropertiesFile.newDataInputStream())
}

ext.readRawSecretOrNull = { secretName ->
    def localPropSecret = localProperties.getProperty(secretName)

    def secret = (localPropSecret != null) ? localPropSecret : System.getenv(secretName)

    if (secret == null || secret.isEmpty()) return null

    return secret
}

ext.readStringSecretOrNull = { secretName ->
    def secret = readRawSecretOrNull(secretName)
    if (secret == null) return null

    return maybeWrapInQuotes(secret)
}

ext.readStringSecret = { secretName ->
    return readStringSecretOrNull(secretName) ?: secretNotFound(secretName)
}

private static def secretNotFound(secretName) {
    throw new NoSuchElementException("${secretName} secret is not found in local.properties or environment variables")
}

static def maybeWrapInQuotes(content) {
    return content.startsWith("\"") ? content : "\"" + content + "\""
}