package server

import (
	"flag"
	"fmt"
)

type config struct {
	baseURL  string
	httpAddr string
	dsn      string
	logLevel string
}

const (
	version         = "0.0.1"
	defaultBaseURL  = "https://localhost"
	defaultHTTPAddr = "localhost:6300"
	//defaultDSN      = "mysql://gopics2:gopics2@/gopics2?parseTime=true"
	defaultDSN = "sqlite://gopics.db"
)

//TODO : create load from file, load order : file -> flags

func parseCfg() (config, error) {
	var cfg config
	flag.StringVar(&cfg.baseURL, "base-url", defaultBaseURL, "base URL for the application")
	flag.StringVar(&cfg.httpAddr, "http-address", defaultHTTPAddr, "IP:PORT to listen on for HTTP requests")
	flag.StringVar(&cfg.dsn, "dsn", defaultDSN, "MySQL data source name")
	showVersion := flag.Bool("version", false, "display version and exit")

	flag.Parse()

	if *showVersion {
		fmt.Printf("version: %s\n", version)
		return cfg, nil
	}
	cfg.logLevel = "Debug"
	return cfg, nil
}