package main

import (
	"fmt"
	"html/template"
	"log"
	"net/http"
	"os"
	"time"

	"github.com/gorilla/mux"
	"github.com/gorilla/sessions"
)

const (
	NOMYSQL        = false
	RootUuid = "7e92ebbd-750f-4a34-ad62-bc6a4f47cbfa"

	//TODO в var структуру с парсом из файла JSON
	NewIndexTemplate = "ui\\templates\\newindex.html"
	TorrentList = "ui\\templates\\torrentlist.html"
	TorrentEntry = "ui\\templates\\torrententry.html"
	NewsList = "ui\\templates\\newslist.html"
	NewsEntry = "ui\\templates\\newsentry.html"
)

var (
	logger      *log.Logger
	dBConnector connection

	sessionsStore = sessions.NewCookieStore([]byte("mysecretcookie"))

	logInTemplate  = template.Must(template.ParseFiles("ui\\templates\\login.html"))
	signInTemplate = template.Must(template.ParseFiles("ui\\templates\\signin.html"))
	gameTemplate   = template.Must(template.ParseFiles("ui\\templates\\game.html"))

	requestRouter *mux.Router
)

func createLogger() {
	startTime := time.Now()
	logFileName := "logs/go-site_log_" + startTime.Format("2006-01-02_15-04-05") + ".txt"
	file, err := os.OpenFile(logFileName, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0666)
	logger = log.New(file, "", log.Ldate|log.Ltime)

	if err != nil {
		log.Fatal(err)
	}

}

type justFilesFilesystem struct {
	fs http.FileSystem
}

func (fs justFilesFilesystem) Open(name string) (http.File, error) {
	f, err := fs.fs.Open(name)
	if err != nil {
		return nil, err
	}
	return neuteredReaddirFile{f}, nil
}

type neuteredReaddirFile struct {
	http.File
}

func (f neuteredReaddirFile) Readdir(count int) ([]os.FileInfo, error) {
	return nil, nil
}

func main() {

	createLogger()

	logger.Print("Hello, log file!")

	requestRouter = mux.NewRouter()

	dBConnector.Init("config.json")

	requestRouter.HandleFunc("/", indexHandler).Methods("GET")
	requestRouter.HandleFunc("/", indexPostHandler).Methods("POST") //Есть ли нужда в обработке POST для /
	requestRouter.HandleFunc("/login/", logInGetHandler).Methods("GET")
	requestRouter.HandleFunc("/login/", logInPostHandler).Methods("POST")
	requestRouter.HandleFunc("/logout/", logOutGetHandler).Methods("GET")
	requestRouter.HandleFunc("/signin/", signInGetHandler).Methods("GET")
	requestRouter.HandleFunc("/signin/", signInPostHandler).Methods("POST")
	requestRouter.HandleFunc("/game/", gameGetHandler).Methods("GET")
	requestRouter.HandleFunc("/game/", gamePostHandler).Methods("POST")

	requestRouter.HandleFunc("/files/torrents/{hash}.torrent", DownloadTorrentHandler).Methods("GET")
	requestRouter.HandleFunc("/forum", ForumHandler).Methods("GET")
	requestRouter.HandleFunc(`/forum/{rest:[a-zA-Zа-яА-Я0-9=\-\/\_\.]+}`, ForumHandler).Methods("GET")

	fs := justFilesFilesystem{http.Dir("resources/")}
	http.Handle("/resources/", http.StripPrefix("/resources/", http.FileServer(fs)))

	http.Handle("/", requestRouter)

	fmt.Println("Starting web-listener")

	logger.Fatal(http.ListenAndServe(":8080", nil))
}