// Copyright 2020 The Operator-SDK 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 tests

import (
	"encoding/json"
	"fmt"

	apimanifests "github.com/operator-framework/api/pkg/manifests"
	"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
)

// GetCRs parses a Bundle's CSV for CRs
func GetCRs(bundle *apimanifests.Bundle) (crList []unstructured.Unstructured, err error) {
	if bundle.CSV.GetAnnotations() == nil {
		return crList, nil
	}

	// get CRs from CSV's alm-examples annotation, assume single bundle
	almExamples := bundle.CSV.GetAnnotations()["alm-examples"]
	if almExamples == "" {
		return crList, nil
	}

	err = json.Unmarshal([]byte(almExamples), &crList)
	if err != nil {
		return nil, fmt.Errorf("failed to parse alm-examples annotation: %v", err)
	}
	return crList, nil
}
