package version

import (
	"fmt"
	"runtime"

	"gopkg.in/src-d/go-git.v4"
)

// Get returns the overall codebase version. It's for detecting
// what code a binary was built from.
func Get() Info {
	// These variables typically come from -ldflags settings and in
	// their absence fallback to the settings in ./base.go
	return Info{
		Major:      gitMajor,
		Minor:      gitMinor,
		GitVersion: gitVersion,
		GitTreeState: gitTreeState,
		GitCommit:  gitCommit,
		BuildDate:  buildDate,
		GoVersion:  runtime.Version(),
		Compiler:   runtime.Compiler,
		Platform:   fmt.Sprintf("%s/%s", runtime.GOOS, runtime.GOARCH),
	}
}

// GetClientVersion returns the git version of the OpenIM client repository
func GetClientVersion() (*OpenIMClientVersion, error) {
	clientVersion, err := getClientVersion()
	if err != nil {
		return nil, err
	}
	return &OpenIMClientVersion{
		ClientVersion: clientVersion,
	}, nil
}

func getClientVersion() (string, error) {
	repo, err := git.PlainClone("/tmp/openim-sdk-core", false, &git.CloneOptions{
		URL: "https://github.com/OpenIMSDK/openim-sdk-core",
	})
	if err != nil {
		return "", fmt.Errorf("error cloning repository: %w", err)
	}

	ref, err := repo.Head()
	if err != nil {
		return "", fmt.Errorf("error getting head reference: %w", err)
	}

	return ref.Hash().String(), nil
}

// GetSingleVersion returns single version of sealer
func GetSingleVersion() string {
	return gitVersion
}