package version

import (
	"fmt"
	"runtime"
)

// These variables are set during build time via ldflags
var (
	Version   = "dev"
	GitCommit = "unknown"
	BuildDate = "unknown"
	GoVersion = runtime.Version()
	Platform  = fmt.Sprintf("%s/%s", runtime.GOOS, runtime.GOARCH)
)

// Info holds version information
type Info struct {
	Version   string `json:"version"`
	GitCommit string `json:"git_commit"`
	BuildDate string `json:"build_date"`
	GoVersion string `json:"go_version"`
	Platform  string `json:"platform"`
}

// Get returns version information
func Get() Info {
	return Info{
		Version:   Version,
		GitCommit: GitCommit,
		BuildDate: BuildDate,
		GoVersion: GoVersion,
		Platform:  Platform,
	}
}

// String returns a formatted version string
func String() string {
	info := Get()
	return fmt.Sprintf("teleport version %s (commit: %s, built: %s, go: %s, platform: %s)",
		info.Version, info.GitCommit, info.BuildDate, info.GoVersion, info.Platform)
}

// Short returns a short version string
func Short() string {
	return fmt.Sprintf("teleport %s", Version)
}