package main

import (
	"flag"
	"fmt"
	"log"
	"net/http"
	"os"
)

var SubmissionDir string

func main() {
	var bind = flag.String("bind", "0.0.0.0:8080", "Bind port/socket")
	var prefix = flag.String("prefix", "", "Request path prefix to strip (from proxy)")
	flag.StringVar(&SubmissionDir, "submission", "./submissions/", "Base directory where save submissions")
	flag.Parse()

	log.Println("Creating submission directory...")
	if _, err := os.Stat(SubmissionDir); os.IsNotExist(err) {
		if err := os.MkdirAll(SubmissionDir, 0777); err != nil {
			log.Fatal("Unable to create submission directory: ", err)
		}
	}

	log.Println("Registering handlers...")
	http.Handle(fmt.Sprintf("%s/", *prefix), http.StripPrefix(*prefix, SubmissionHandler{}))

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