//
// Copyright 2021 The Sigstore Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package cue

import (
	"cuelang.org/go/cue/cuecontext"
	"cuelang.org/go/cue/load"
	cuejson "cuelang.org/go/encoding/json"
)

func ValidateJSON(jsonBody []byte, entrypoints []string) error {
	ctx := cuecontext.New()
	bis := load.Instances(entrypoints, nil)

	for _, bi := range bis {
		if bi.Err != nil {
			return bi.Err
		}

		value := ctx.BuildInstance(bi)
		if value.Err() != nil {
			return value.Err()
		}

		err := cuejson.Validate(jsonBody, value)
		if err != nil {
			return err
		}
	}

	return nil
}