package main

import (
	"errors"
	"local/args"
	"net/http"
	"os"
	"path"
	"strconv"
	"strings"
)

func main() {
	as := args.NewArgSet()
	as.Append(args.INT, "p", "port to listen on", 3004)
	as.Append(args.STRING, "d", "root dir with /index.html and /media and /files", "./public")
	as.Append(args.STRING, "auth", "auth mode [none, path/to/some.yaml, ldap", "none")
	if err := as.Parse(); err != nil {
		panic(err)
	}
	auth, err := authFactory(as.GetString("auth"))
	if err != nil {
		panic(err)
	}
	s := NewServer(as.GetString("d"), auth)
	if err := s.Routes(); err != nil {
		panic(err)
	}
	if err := http.ListenAndServe(":"+strconv.Itoa(as.GetInt("p")), s); err != nil {
		panic(err)
	}
}

func authFactory(key string) (auth, error) {
	switch path.Base(strings.ToLower(key)) {
	case "none", "":
		return nil, nil
	case "ldap":
		return nil, errors.New("not impl ldap auth")
	}
	stat, err := os.Stat(key)
	if os.IsNotExist(err) {
		return nil, errors.New("looks like auth path does not exist")
	} else if err != nil {
		return nil, err
	} else if stat.IsDir() {
		return nil, errors.New("looks like auth path is a dir")
	}
	return NewFileAuth(key), nil
}