package main

import (
	"flag"
	"fmt"
	"os"

	"chis_osi/config"
)

type appMode string

const (
	modeServer  appMode = "server"
	modeDeliver appMode = "deliver"
)

func parseMode(raw string) (appMode, error) {
	switch appMode(raw) {
	case modeServer:
		return modeServer, nil
	case modeDeliver:
		return modeDeliver, nil
	default:
		return "", fmt.Errorf("invalid mode %q, want server or deliver", raw)
	}
}

func main() {
	modeFlag := flag.String("mode", string(modeServer), "运行模式：server 或 deliver")
	configPath := flag.String("config", "config.yaml", "配置文件路径")
	flag.Parse()

	mode, err := parseMode(*modeFlag)
	if err != nil {
		fmt.Fprintln(os.Stderr, err)
		os.Exit(2)
	}

	_, err = config.Load(*configPath)
	if err != nil {
		fmt.Fprintf(os.Stderr, "load config: %v\n", err)
		os.Exit(2)
	}

	fmt.Printf("chis_osi mode=%s\n", mode)
}