feat: added new features, refactored code

game.ts

@@ -2,12 +2,18 @@
 
 import { textToMorse, compareMorse, normalizeMorse } from "./morse.ts";
 
-export type GameMode = 'letters' | 'numbers' | 'words' | 'phrases';
+export type GameMode =
+  | "letters"
+  | "alphanumeric"
+  | "full"
+  | "words"
+  | "phrases";
 
 export interface GameConfig {
   mode: GameMode;
   rounds: number;
   timePerRound: number; // seconds
+  dynamicTime?: boolean; // For words/phrases: multiply time by character count
 }
 
 export interface RoundResult {
@@ -26,26 +32,50 @@ export interface GameSession {
   bestStreak: number;
 }
 
-// Word banks for different difficulty levels
-const LETTERS = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ'.split('');
-const NUMBERS = '0123456789'.split('');
+// Character sets for different difficulty levels
+const LETTERS = "ABCDEFGHIJKLMNOPQRSTUVWXYZ".split("");
+const NUMBERS = "0123456789".split("");
+const PUNCTUATION = ".,?!-/()@".split("");
+const ALPHANUMERIC = [...LETTERS, ...NUMBERS];
+const FULL_SET = [...LETTERS, ...NUMBERS, ...PUNCTUATION];
 const WORDS = [
-  'HELLO', 'WORLD', 'CODE', 'TIME', 'GAME', 'TEST', 'PLAY',
-  'FAST', 'SLOW', 'HELP', 'GOOD', 'BEST', 'NICE', 'COOL',
-  'MORSE', 'SIGNAL', 'RADIO', 'SEND', 'MESSAGE', 'QUICK',
-  'LEARN', 'PRACTICE', 'SKILL', 'MASTER', 'EXPERT',
+  "HELLO",
+  "WORLD",
+  "CODE",
+  "TIME",
+  "GAME",
+  "TEST",
+  "PLAY",
+  "FAST",
+  "SLOW",
+  "HELP",
+  "GOOD",
+  "BEST",
+  "NICE",
+  "COOL",
+  "MORSE",
+  "SIGNAL",
+  "RADIO",
+  "SEND",
+  "MESSAGE",
+  "QUICK",
+  "LEARN",
+  "PRACTICE",
+  "SKILL",
+  "MASTER",
+  "EXPERT",
 ];
 const PHRASES = [
-  'HELLO WORLD',
-  'GOOD MORNING',
-  'HOW ARE YOU',
-  'THANK YOU',
-  'SEE YOU SOON',
-  'HAVE A NICE DAY',
-  'MORSE CODE',
-  'QUICK BROWN FOX',
-  'THE END',
-  'WELL DONE',
+  "HELLO WORLD",
+  "GOOD MORNING",
+  "HOW ARE YOU",
+  "THANK YOU",
+  "SEE YOU SOON",
+  "HAVE A NICE DAY",
+  "MORSE CODE",
+  "QUICK BROWN FOX",
+  "THE END",
+  "WELL DONE",
 ];
 
 /**
@@ -53,13 +83,15 @@ const PHRASES = [
  */
 export function getChallenge(mode: GameMode): string {
   switch (mode) {
-    case 'letters':
+    case "letters":
       return LETTERS[Math.floor(Math.random() * LETTERS.length)];
-    case 'numbers':
-      return NUMBERS[Math.floor(Math.random() * NUMBERS.length)];
-    case 'words':
+    case "alphanumeric":
+      return ALPHANUMERIC[Math.floor(Math.random() * ALPHANUMERIC.length)];
+    case "full":
+      return FULL_SET[Math.floor(Math.random() * FULL_SET.length)];
+    case "words":
       return WORDS[Math.floor(Math.random() * WORDS.length)];
-    case 'phrases':
+    case "phrases":
       return PHRASES[Math.floor(Math.random() * PHRASES.length)];
   }
 }
@@ -124,12 +156,13 @@ export function isGameComplete(session: GameSession): boolean {
  */
 export function getGameSummary(session: GameSession) {
   const totalRounds = session.results.length;
-  const correct = session.results.filter(r => r.correct).length;
+  const correct = session.results.filter((r) => r.correct).length;
   const incorrect = totalRounds - correct;
   const accuracy = totalRounds > 0 ? (correct / totalRounds) * 100 : 0;
-  const averageTime = totalRounds > 0
-    ? session.results.reduce((sum, r) => sum + r.timeSpent, 0) / totalRounds
-    : 0;
+  const averageTime =
+    totalRounds > 0
+      ? session.results.reduce((sum, r) => sum + r.timeSpent, 0) / totalRounds
+      : 0;
 
   return {
     totalRounds,
@@ -146,13 +179,15 @@ export function getGameSummary(session: GameSession) {
  */
 export function getDifficultyDescription(mode: GameMode): string {
   switch (mode) {
-    case 'letters':
-      return 'Single letters A-Z';
-    case 'numbers':
-      return 'Single digits 0-9';
-    case 'words':
-      return 'Common 4-6 letter words';
-    case 'phrases':
-      return 'Short phrases';
+    case "letters":
+      return "Single letters A-Z";
+    case "alphanumeric":
+      return "Letters A-Z and numbers 0-9";
+    case "full":
+      return "Letters, numbers, and punctuation";
+    case "words":
+      return "Common 4-6 letter words";
+    case "phrases":
+      return "Short phrases";
   }
 }