package main

import (
	"flag"
	"fmt"
	"log"
	"net/http"
	"os"
	"path/filepath"

	"srs.epita.fr/fic-server/libfic"
)

var PKIDir string
var SubmissionDir string
var BaseURL string
var CloudDAVBase string
var CloudUsername string
var CloudPassword string

func main() {
	var bind = flag.String("bind", "0.0.0.0:8081", "Bind port/socket")
	var dsn = flag.String("dsn", "fic:fic@/fic", "DSN to connect to the MySQL server")
	flag.StringVar(&BaseURL, "baseurl", "http://fic.srs.epita.fr/", "URL prepended to each URL")
	flag.StringVar(&SubmissionDir, "submission", "./submissions/", "Base directory where save submissions")
	flag.StringVar(&PKIDir, "pki", "./pki/", "Base directory where found PKI scripts")
	flag.StringVar(&fic.FilesDir, "files", "./FILES/", "Base directory where found challenges files, local part")
	flag.StringVar(&CloudDAVBase, "clouddav", "https://srs.epita.fr/owncloud/remote.php/webdav/FIC 2016",
		"Base directory where found challenges files, cloud part")
	flag.StringVar(&CloudUsername, "clouduser", "fic", "Username used to sync")
	flag.StringVar(&CloudPassword, "cloudpass", "", "Password used to sync")
	flag.Parse()

	var staticDir string
	var err error
	log.Println("Checking paths...")
	if staticDir, err = filepath.Abs("./static/"); err != nil {
		log.Fatal(err)
	}
	if fic.FilesDir, err = filepath.Abs(fic.FilesDir); err != nil {
		log.Fatal(err)
	}
	if PKIDir, err = filepath.Abs(PKIDir); err != nil {
		log.Fatal(err)
	}
	if SubmissionDir, err = filepath.Abs(SubmissionDir); err != nil {
		log.Fatal(err)
	}
	if fic.FilesDir, err = filepath.Abs(fic.FilesDir); err != nil {
		log.Fatal(err)
	}

	log.Println("Opening database...")
	if err := fic.DBInit(fmt.Sprintf("%s?parseTime=true", *dsn)); err != nil {
		log.Fatal("Cannot open the database: ", err)
	}
	defer fic.DBClose()

	log.Println("Creating database...")
	if err := fic.DBCreate(); err != nil {
		log.Fatal("Cannot create database: ", err)
	}

	os.Chdir(PKIDir)

	log.Println("Registering handlers...")
	mux := http.NewServeMux()
	mux.Handle("/api/", http.StripPrefix("/api", ApiHandler()))
	mux.Handle("/teams/", StaticHandler(staticDir))
	mux.Handle("/themes/", StaticHandler(staticDir))
	mux.Handle("/", http.FileServer(http.Dir(staticDir)))

	log.Println(fmt.Sprintf("Ready, listening on %s", *bind))
	if err := http.ListenAndServe(*bind, mux); err != nil {
		log.Fatal("Unable to listen and serve: ", err)
	}
}