package main

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

	"github.com/gorilla/mux"
	"riedstra.dev/mitch/steam-export/steam"
)

var (
	Logger = log.New(os.Stderr, "", log.LstdFlags)
	Listen = ":8899"

	libMu = &sync.RWMutex{}
	Lib   *steam.Library
)

func reloadLib() {
	libMu.Lock()
	defer libMu.Unlock()
	var err error
	Lib, err = steam.NewLibrary(DefaultLib)
	if err != nil {
		Logger.Printf("Error reopening library: %s", err)
		return
	}
}

func main() {
	fl := flag.NewFlagSet("steam-export", flag.ExitOnError)
	debug := fl.Bool("d", false, "Print line numbers in log")
	fl.StringVar(&Listen, "l", Listen, "What address do we listen on?")
	fl.StringVar(&DefaultLib, "L", DefaultLib, "Full path to default library")
	fl.Parse(os.Args[1:])

	if *debug {
		Logger.SetFlags(log.LstdFlags | log.Llongfile)
	}

	var err error
	Lib, err = steam.NewLibrary(DefaultLib)
	if err != nil {
		Logger.Fatalf("While opening library path: %s", err)
	}

	go installer(getPath)

	r := mux.NewRouter()

	r.HandleFunc("/delete", gameDelete)
	r.HandleFunc("/install", gameInstaller)
	r.HandleFunc("/download/{game}", gameDownloader)
	r.HandleFunc("/style.css", cssHandler)
	r.HandleFunc("/", index)

	s := http.Server{
		Handler: r,
		Addr:    Listen,
	}

	go startBrowser()

	Logger.Fatal(s.ListenAndServe())
}