package main

import (
	"net/http"

	"github.com/gorilla/mux"
)

func gameDownloader(w http.ResponseWriter, r *http.Request) {
	vars := mux.Vars(r)
	game := vars["game"]

	libMu.RLock()
	g, ok := Lib.Games[game]
	libMu.RUnlock()
	if !ok {
		Logger.Printf("Missing: %s", game)
		http.Error(w, "Game is missing", 404)
		return
	}

	w.Header().Add("Content-type", "application/tar")

	Logger.Printf("Client %s is downloading: %s", r.RemoteAddr, game)
	err := g.Package(w)
	if err != nil {
		Logger.Printf("Client %s Error Sending game: %s", r.RemoteAddr, err)
		// Headers already sent, don't bother sending an error
		return
	}
	Logger.Printf("Client %s finished downloading: %s", r.RemoteAddr, game)
}