Have got win and failures working

cmd/prep-words/main.go

@@ -2,21 +2,32 @@ package main
 
 import (
 	"bufio"
+	"bytes"
 	"encoding/json"
 	"flag"
 	"log"
+	"math/rand/v2"
 	"os"
+	"path/filepath"
 	"sort"
+	"time"
 )
 
 type wordList struct {
 	Words map[int][]string `json:"words"`
 }
 
+type shufflePattern struct {
+	Index map[int][]int `json:"index"`
+}
+
 func main() {
-	dictFile := flag.String("dict", "", "dictionary of word to prep")
+	dictFile := flag.String("dict", "./dict/en_GB.dic", "dictionary of word to prep")
+	outDir := flag.String("out", "./site/assets/data", "output directory")
 	flag.Parse()
 
+	r := rand.New(rand.NewPCG(uint64(time.Now().UnixNano()), uint64(time.Now().UnixNano())))
+
 	words := wordList{
 		Words: make(map[int][]string),
 	}
@@ -29,11 +40,42 @@ func main() {
 		log.Fatal(err)
 	}
 
-	for _, word := range words.Words {
+	for k, word := range words.Words {
+		log.Printf("Found %d words of length %v", len(word), k)
 		sort.Strings(word)
 	}
 
-	if err := json.NewEncoder(os.Stdout).Encode(words); err != nil {
+	var wordData bytes.Buffer
+	if err := json.NewEncoder(&wordData).Encode(words); err != nil {
+		log.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join(*outDir, "words.json"), wordData.Bytes(), 0644); err != nil {
+		log.Fatal(err)
+	}
+
+	// Generate a shuffle pattern
+	shp := shufflePattern{Index: make(map[int][]int)}
+	for k := range words.Words {
+		pattern := make([]int, len(words.Words[k]))
+		for i := range words.Words[k] {
+			pattern[i] = i
+		}
+
+		for x := 4; x < r.IntN(8)+4; x++ {
+			r.Shuffle(len(pattern), func(i, j int) {
+				pattern[i], pattern[j] = pattern[j], pattern[i]
+			})
+		}
+
+		// TODO: shuffle
+		shp.Index[k] = pattern
+	}
+
+	var patternData bytes.Buffer
+	if err := json.NewEncoder(&patternData).Encode(shp); err != nil {
+		log.Fatal(err)
+	}
+	if err := os.WriteFile(filepath.Join(*outDir, "shuffle_pattern.json"), patternData.Bytes(), 0644); err != nil {
 		log.Fatal(err)
 	}
 }