package main

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

	"isosilo/internal/handlers"
)

func main() {
	dir := flag.String("dir", ".", "Directory containing ISO files to serve")
	addr := flag.String("addr", ":8080", "Address to listen on")
	flag.Parse()

	info, err := os.Stat(*dir)
	if err != nil {
		log.Fatalf("Cannot access directory %q: %v", *dir, err)
	}
	if !info.IsDir() {
		log.Fatalf("%q is not a directory", *dir)
	}

	mux := http.NewServeMux()
	h := handlers.New(*dir)

	// Routes:
	//   GET /                        → list all ISOs in the directory
	//   GET /browse/{iso}            → list root of ISO
	//   GET /browse/{iso}/{path...}  → list directory inside ISO
	//   GET /file/{iso}/{path...}    → stream/view a file from inside ISO
	//   GET /raw/{filename}          → serve raw disk files (ISOs, covers, descriptions)
	mux.HandleFunc("/", h.ListISOs)
	mux.HandleFunc("/browse/", h.BrowseISO)
	mux.HandleFunc("/file/", h.DownloadFile)
	mux.HandleFunc("/raw/", h.RawFile)

	fmt.Printf("ISOSilo listening on %s\n", *addr)
	fmt.Printf("Serving ISOs from: %s\n", *dir)
	log.Fatal(http.ListenAndServe(*addr, mux))
}