package app

import (
	"go.mrlokop.dev/universe/core/config"
	"reflect"
)

type Info struct {
	ServiceName string
	Version     string
	BuildInfo   *BuildInfo
}

type BuildInfo struct {
	GitCommit string
	BuildDate string
}

func provideAppInfo(
	app Application,
	cfg *config.UniverseConfig,
) *Info {
	serviceInfo := cfg.ServiceInfo
	if serviceInfo == nil {
		serviceInfo = &config.ServiceInfo{}
		// extract service name from app
		serviceInfo.Name = extractServiceName(app)
	}
	return &Info{
		ServiceName: serviceInfo.Name,
		BuildInfo: &BuildInfo{
			GitCommit: "",
			BuildDate: "",
		},
	}
}

func extractServiceName(app Application) string {
	appType := reflect.TypeOf(app)
	if appType.Kind() == reflect.Ptr {
		return appType.Elem().Name()
	}
	return appType.Name()
}