1 files changed, 45 insertions, 0 deletions
diff --git a/generator/generator.go b/generator/generator.go
new file mode 100644
index 0000000..3ec5154
--- /dev/null
+++ b/generator/generator.go
@@ -0,0 +1,45 @@
+package generator
+
+import (
+	"bufio"
+	"math/rand"
+	"os"
+	"time"
+)
+
+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()
+}
+
+// RandomWords picks numberOfWords random words from the file located at
+// wordsFile
+func RandomWords(wordsFile string, numberOfWords int) ([]string, error) {
+	rand.Seed(time.Now().UTC().UnixNano())
+
+	words, err := readLines(wordsFile)
+
+	if err != nil {
+		return nil, err
+	}
+
+	phraseWords := make([]string, numberOfWords)
+
+	for index := 0; index < numberOfWords; index++ {
+		randInt := rand.Intn((len(words) - 1))
+
+		phraseWords[index] = words[randInt]
+	}
+
+	return phraseWords, nil
+}