package main

import (
	"code.google.com/p/go.crypto/bcrypt"
	"flag"
	"fmt"
	"github.com/gorilla/sessions"
	"github.com/kuroneko/gosqlite3"
	"html/template"
	"log"
	"net/http"
	"path/filepath"
)

var addr = flag.String("addr", ":8000", "address I'll listen on.")
var static_files = flag.String("static", "./static", "location of static files")
var db_file = flag.String("db", "./db.sqlite", "the database")
var template_dir = flag.String("templates", "templates", "template dir")
var add_pw = flag.String("passwd", "", "add this pass to the db")

var store = sessions.NewCookieStore([]byte("hello world"))
var templates *template.Template

func homeHandler(c http.ResponseWriter, req *http.Request) {
	log.Printf("%v\n", req.URL)
	t := T("index.html")
	if t != nil {
		t.Execute(c, req.Host)
	} else {
		log.Fatal("template index.html not found")
	}
}

func main() {
	flag.Parse()
	if *add_pw != "" {
		hpass, err := bcrypt.GenerateFromPassword([]byte(*add_pw), bcrypt.DefaultCost)
		if err != nil {
			log.Fatal(err)
		}
		db, err := sqlite3.Open(*db_file)
		defer db.Close()
		if err != nil {
			log.Fatal(err)
		}
		cmd := fmt.Sprintf("INSERT INTO passes ('id', 'hash') VALUES (null, '%v')",
			string(hpass))
		_, err = db.Execute(cmd)
		if err != nil {
			log.Fatal(err)
		}
	} else {
		pattern := filepath.Join(*template_dir, "*.html")
		var err error
		templates, err = template.ParseGlob(pattern)
		if err != nil {
			println(*template_dir)
			println(pattern)
			log.Fatal("problem parsing template dir:", *template_dir)
		}
		http.HandleFunc("/", homeHandler)
		http.Handle("/s/", http.StripPrefix("/s/",
			http.FileServer(http.Dir(*static_files))))
		if err := http.ListenAndServe(*addr, nil); err != nil {
			log.Fatal("ListenAndServe:", err)
		}
	}
}