From ed0b45cfce6d54924002ef005795f3c45b808dac Mon Sep 17 00:00:00 2001
From: Michaël Ball <michael.ball@gmail.com>
Date: Thu, 8 Sep 2016 17:20:54 +0100
Subject: Move generation to library

---
 passphrasegen.go | 35 ++++-------------------------------
 1 file changed, 4 insertions(+), 31 deletions(-)

(limited to 'passphrasegen.go')

diff --git a/passphrasegen.go b/passphrasegen.go
index 32d708e..89b25d2 100644
--- a/passphrasegen.go
+++ b/passphrasegen.go
@@ -1,39 +1,20 @@
 package main
 
 import (
-	"bufio"
 	"flag"
 	"fmt"
-	"math/rand"
-	"os"
 	"strings"
-	"time"
+
+	generator "github.com/michael-ball/passphrasegen/generator"
 )
 
 var numWords = flag.Int("w", 4, "Number of words in passphrase")
 
-func readLines(path string) ([]string, error) {
-	file, err := os.Open(path)
-	if err != nil {
-		return nil, err
-	}
-	defer file.Close()
-
-	var lines []string
-	scanner := bufio.NewScanner(file)
-	for scanner.Scan() {
-		lines = append(lines, scanner.Text())
-	}
-	return lines, scanner.Err()
-}
-
 func init() {
-	rand.Seed(time.Now().UTC().UnixNano())
+	flag.Parse()
 }
 
 func main() {
-	flag.Parse()
-
 	args := flag.Args()
 
 	wordsFile := "/usr/share/dict/words"
@@ -42,20 +23,12 @@ func main() {
 		wordsFile = args[0]
 	}
 
-	words, err := readLines(wordsFile)
+	phraseWords, err := generator.RandomWords(wordsFile, *numWords)
 
 	if err != nil {
 		fmt.Println(err)
 		return
 	}
 
-	phraseWords := make([]string, *numWords)
-
-	for index := 0; index < *numWords; index++ {
-		randInt := rand.Intn((len(words) - 1))
-
-		phraseWords[index] = words[randInt]
-	}
-
 	fmt.Println(strings.Join(phraseWords, " "))
 }
-- 
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