package config

import (
	"flag"
	"os"
	"strings"
)

func flagEnvFallback(keyFallback map[string]string) map[string]string {
	results := map[string]*string{}
	for k, v := range keyFallback {
		results[k] = flag.String(k, v, "")
	}
	flag.Parse()
	final := map[string]string{}
	for k := range results {
		if *results[k] == keyFallback[k] && os.Getenv(strings.ToUpper(k)) != "" {
			*results[k] = os.Getenv(strings.ToUpper(k))
		}
		final[k] = *results[k]
	}
	return final
}

func New() map[string]string {
	conf := flagEnvFallback(map[string]string{
		"toaddr":    "https://bel.house:20018",
		"mycrt":     "/Volumes/bldisk/client.crt",
		"mykey":     "/Volumes/bldisk/client.key",
		"tocrt":     "/Volumes/bldisk/server.crt",
		"fromcrt":   "/Volumes/bldisk/accept.crt",
		"port":      "8888",
		"whitelist": "192.168.0.86,,bel.house,,minio.gcp.blapointe.com",
		"bypass":    "plex.tv",
		"secure":    "gcp.blapointe.com",
		"secret":    "secret",
	})
	if !strings.HasPrefix(conf["port"], ":") {
		conf["port"] = ":" + conf["port"]
	}
	if len(conf["bypass"]) != 0 && len(conf["whitelist"]) != 0 {
		conf["whitelist"] += ",," + conf["bypass"]
	}
	return conf
}