package main

import (
   "fmt"
   "github.com/selam/permutor"
)

func main() {
   // first parameter is a alphabet, second parameter is a min length of letters
   // third parameter is max length of letters
   rp, err := permutor.NewPermutor("abcdefgh", 3, 6)
   if err != nil {
        fmt.Printf("there is a error in parameters %s\n", err.Error());
        return
   }
   letters, posibility := rp.Generate()
   if letters == "" {
      fmt.Println("all posilible elements are already created, you can reset or finish")
   }

   fmt.Printf("%d pobisibility is %s\n", possibility, letters)

   err = rp.SaveTo("/path/to/file.json")  // so you can read from another lib writed another language
   if err != nil {
      fmt.Printf("there is a error when saving state: %s\n", err.Error())
      return // or do it something else
   }

   second, err := permutor.LoadFrom("/path/to/file.json")
   if err != nil {
          fmt.Printf("there is a error when loading state: %s\n", err.Error())
          return // or do it something else
   }

   letters, _ = second.Generate() // letters already defined
   if letters == "" {
         fmt.Println("all posilible elements are already created, you can reset or finish")
         return
   }
}