//
// Armadillo File Manager
// Copyright (c) 2010-2012, Robert Sesek <http://www.bluestatic.org>
//
// 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 any later version.
//

package main

import (
	"github.com/rsesek/armadillo/config"
	"github.com/rsesek/armadillo/server"
	"flag"
	"fmt"
	"os"
	"strings"
)

var (
	configPath = flag.String("config", "~/.armadillo", "Path to the configuration file")
	jailRoot   = flag.String("jail", "", "Restrict file operations to this directory root")
	port       = flag.Int("port", 0, "Port to run the server on")
)

func main() {
	flag.Parse()

	// Load the configuration file, if it is present.
	var configuration = new(config.Configuration)
	fmt.Printf("Reading configuration from %v\n", *configPath)
	if len(*configPath) > 0 {
		*configPath = strings.Replace(*configPath, "~", "$HOME", 1)
		*configPath = os.ExpandEnv(*configPath)
		error := config.ReadFromFile(*configPath, configuration)
		if error != nil {
			fmt.Printf("Error while reading configuration: %v\n", error)
		}
	}

	// Override configuration values with command line arguments.
	if *jailRoot != "" {
		configuration.JailRoot = *jailRoot
	}
	if *port != 0 {
		configuration.Port = *port
	}

	if configuration.Port == 0 {
		fmt.Printf("Failed to start server (invalid port)\n")
		os.Exit(1)
	}

	// Run the server.
	fmt.Printf("Starting Armadillo on port %d with root:\n  %v\n",
		configuration.Port, configuration.JailRoot)
	server.RunBackEnd(configuration)
}