// Copyright (c) 2018 SAP SE or an SAP affiliate company. All rights reserved. This file is licensed under the Apache Software License, v. 2 except as noted otherwise in the LICENSE file
//
// 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 version

import (
	"fmt"
	"runtime"
	"strings"

	apimachineryversion "k8s.io/apimachinery/pkg/version"
)

var (
	gitVersion   = "v0.0.0-dev"
	gitCommit    string
	gitTreeState string
	buildDate    = "1970-01-01T00:00:00Z"

	version *apimachineryversion.Info
)

// Get returns the overall codebase version. It's for detecting
// what code a binary was built from.
// These variables typically come from -ldflags settings and in
// their absence fallback to the settings in pkg/version/version.go
func Get() apimachineryversion.Info {
	return *version
}

func init() {
	var (
		versionParts = strings.Split(gitVersion, ".")
		gitMajor     string
		gitMinor     string
	)

	if len(versionParts) >= 2 {
		gitMajor = strings.TrimPrefix(versionParts[0], "v")
		gitMinor = versionParts[1]
	}

	version = &apimachineryversion.Info{
		Major:        gitMajor,
		Minor:        gitMinor,
		GitVersion:   gitVersion,
		GitCommit:    gitCommit,
		GitTreeState: gitTreeState,
		BuildDate:    buildDate,
		GoVersion:    runtime.Version(),
		Compiler:     runtime.Compiler,
		Platform:     fmt.Sprintf("%s/%s", runtime.GOOS, runtime.GOARCH),
	}
}
