#!/usr/bin/env bash
# Some OpenAPI files in this repository are generated and based upon other
# sources. When these sources change, the generated files must be generated
# (and committed) again. It is the task of the contributing user to do this
# properly.
#
# This tests makes sure the generated OpenAPI files are consistent with its
# sources. If this fails, you probably have to generate the OpenAPI files again.
#
# Read more here: https://github.com/qdrant/qdrant/blob/master/docs/DEVELOPMENT.md#rest

set -ex

# Ensure current path is project root
cd "$(dirname "$0")/../"

# Keep current version of file to check
cp ./docs/redoc/master/{,.diff.}openapi.json

# Regenerate OpenAPI files
tools/generate_openapi_models.sh

# Ensure generated files are the same as files in this repository
if diff -Zwa ./docs/redoc/master/{,.diff.}openapi.json
then
    set +x
    echo "No diffs found."
else
    set +x
    echo "ERROR: Generated OpenAPI files are not consistent with files in this repository, see diff above."
    echo "ERROR: See: https://github.com/qdrant/qdrant/blob/master/docs/DEVELOPMENT.md#rest"
    exit 1
fi

# Cleanup
rm -f ./docs/redoc/master/.diff.openapi.json

NUMBER_OF_APIS=$(cat ./docs/redoc/master/openapi.json | jq '[.paths[] | length] | add')

EXPECTED_NUMBER_OF_APIS=71

if [ "$NUMBER_OF_APIS" -ne "$EXPECTED_NUMBER_OF_APIS" ]; then
    echo "ERROR: It looks like the total number of APIs has changed."
    echo "ERROR: Expected: $EXPECTED_NUMBER_OF_APIS, got: $NUMBER_OF_APIS"
    echo "ERROR: Verify that all new APIs are correctly whitelisted (or not) for the metrics endpoint"
    echo "ERROR: See: 'REST_ENDPOINT_WHITELIST' and 'GRPC_ENDPOINT_WHITELIST'"
    echo "ERROR: once consistency is restored, please update EXPECTED_NUMBER_OF_APIS in this script"
    exit 1
fi