//
// Copyright 2023 The Chainloop 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 service

import (
	"context"
	"os"
	"sort"

	pb "github.com/chainloop-dev/chainloop/app/artifact-cas/api/cas/v1"
	backend "github.com/chainloop-dev/chainloop/pkg/blobmanager"
)

type StatusService struct {
	version   string
	providers backend.Providers
	pb.UnimplementedStatusServiceServer
}

func NewStatusService(version string, providers backend.Providers) *StatusService {
	return &StatusService{version: version, providers: providers}
}

func (s *StatusService) Statusz(_ context.Context, _ *pb.StatuszRequest) (*pb.StatuszResponse, error) {
	return &pb.StatuszResponse{}, nil
}

func (s *StatusService) Infoz(_ context.Context, _ *pb.InfozRequest) (*pb.InfozResponse, error) {
	var backends = make([]string, 0, len(s.providers))
	for k := range s.providers {
		backends = append(backends, k)
	}

	sort.Strings(backends)

	return &pb.InfozResponse{
		Version:      s.version,
		ChartVersion: os.Getenv("CHART_VERSION"),
		Backends:     backends,
	}, nil
}
