package config

import (
	"fmt"
	"os"
	"strings"
)

var bearerToken string
var port string
var buildDate string
var gitSHA string

func Bearer() string {
	return bearerToken
}

func Port() string {
	return port
}

func BuildDate() string {
	return buildDate
}

func GitSHA() string {
	return gitSHA
}

func readFromEnv(key string) (string, error) {
	val, ok := os.LookupEnv(key)
	if !ok {
		return "", fmt.Errorf("must set %s", key)
	}
	val = strings.TrimSpace(val)
	if val == "" {
		return "", fmt.Errorf("empty string provided for %s", key)
	}

	return val, nil
}

func Init() error {
	var err error
	bearerToken, err = readFromEnv("R8_JUMP_SERVER_SECRET")
	if err != nil {
		return err
	}
	port, err = readFromEnv("R8_JUMP_SERVER_PORT")
	if err != nil {
		return err
	}
	return nil
}