package main

import (
	"bufio"
	"fmt"
	"os"
	"strings"

	"github.com/gorilla/securecookie"
)

func main() {
	scanner := bufio.NewScanner(os.Stdin)
	key := os.Getenv("SESSION_SECRET")

	if key == "" {
		fmt.Print("Key not set\nEnter key: ")
		for scanner.Scan() {
			key = scanner.Text()
			if key != "" {
				break
			}
			fmt.Print("Enter key: ")
		}
	}

	s := securecookie.New([]byte(key), nil)

	fmt.Println("Using key:", key)
	fmt.Println("Enter secure cookie (Ctrl+D to finish):")

	for scanner.Scan() {
		text := scanner.Text()
		fmt.Println("Read:", text)
		split := strings.SplitN(text, "=", 2)
		//split := strings.Fields(text)
		value := make(map[interface{}]interface{})
		if err := s.Decode(split[0], split[1], &value); err == nil {
			for key, val := range value {
				fmt.Printf("Key: %s, Value: %s\n", key, val)
			}
		} else {
			fmt.Println(err)
		}
		fmt.Println("")
	}

	if err := scanner.Err(); err != nil {
		fmt.Println("Error reading standard input:", err)
	}

	fmt.Println("Program finished.")
}