// Command line tool to manage remote hosts

// Copyright (C) 2021  Simon Ruderich
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.

package main

import (
	"log"
	"os"

	"ruderich.org/simon/safcm/cmd/safcm/config"
)

func usage() {
	log.SetFlags(0)
	log.Fatalf("usage: %[1]s sync [<options>] <host|group...>\n"+
		"       %[1]s fixperms\n"+
		"       %[1]s version\n"+
		"", os.Args[0])
}

func main() {
	if len(os.Args) < 2 {
		usage()
	}

	var err error
	switch os.Args[1] {
	case "sync":
		err = MainSync(os.Args)
	case "fixperms":
		if len(os.Args) != 2 {
			usage()
		}
		err = MainFixperms()
	case "version":
		if len(os.Args) != 2 {
			usage()
		}
		err = MainVersion()
	default:
		usage()
	}
	if err != nil {
		log.Fatal(err)
	}
}

func LoadBaseFiles() (*config.Config, *config.Hosts, map[string][]string,
	error) {

	cfg, err := config.LoadConfig()
	if err != nil {
		return nil, nil, nil, err
	}
	hosts, err := config.LoadHosts()
	if err != nil {
		return nil, nil, nil, err
	}
	groups, err := config.LoadGroups(cfg, hosts)
	if err != nil {
		return nil, nil, nil, err
	}
	return cfg, hosts, groups, nil
}