207 lines
11 KiB
JavaScript
207 lines
11 KiB
JavaScript
import { Router } from 'express';
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import fs from 'node:fs';
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import path from 'node:path';
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import { fileURLToPath } from 'node:url';
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import { initScrabbleDictionary, isValidWord, chooseMove } from './scrabbleEngine.js';
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import { initGhostDictionary, judge as ghostJudge, chooseLetter as ghostChooseLetter } from './ghostEngine.js';
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const __dirname = path.dirname(fileURLToPath(import.meta.url));
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const WORDLIST_PATH = path.join(__dirname, '../data/wordlists/enable1.txt');
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// Common words used to build a player-friendly Wordle answer pool.
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// These are well-known 5-letter English words that make fair Wordle puzzles.
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const COMMON_WORDS = new Set([
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'ABOUT','ABOVE','ABUSE','ACTOR','ACUTE','ADMIT','ADOPT','ADULT','AFTER',
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'AGAIN','AGENT','AGREE','AHEAD','ALARM','ALBUM','ALERT','ALIGN','ALIVE',
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'ALLEY','ALLOW','ALONE','ALONG','ALTER','ANGEL','ANGLE','ANGRY','ANKLE',
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'ANNEX','ANNOY','APART','APPLE','APPLY','APRIL','ARENA','ARGUE','ARISE',
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'ARMOR','ARRAY','ARROW','ASIDE','ASKED','ASSET','AVOID','AWARD','AWARE',
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'AWFUL','BADLY','BAKER','BASIC','BASIS','BATCH','BEACH','BEGAN','BEGIN',
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'BEING','BELOW','BENCH','BIBLE','BIRTH','BLACK','BLADE','BLAME','BLAND',
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'BLANK','BLAST','BLAZE','BLEED','BLEND','BLESS','BLIND','BLOCK','BLOOD',
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'BLOWN','BOARD','BONUS','BOOST','BOUND','BRAIN','BRAND','BRAVE','BREAD',
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'BREAK','BREED','BRICK','BRIDE','BRIEF','BRING','BROAD','BROKE','BROOK',
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'BROWN','BRUSH','BUILD','BUILT','BUNCH','BURNT','BUYER','CACHE','CANDY',
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'CARGO','CARRY','CATCH','CAUSE','CHAIN','CHAIR','CHAOS','CHARM','CHASE',
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'CHEAP','CHECK','CHEEK','CHEER','CHESS','CHEST','CHIEF','CHILD','CHINA',
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'CIVIC','CIVIL','CLAIM','CLASS','CLEAN','CLEAR','CLERK','CLICK','CLIFF',
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'CLIMB','CLING','CLOCK','CLOSE','CLOUD','COACH','COAST','COULD','COUNT',
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'COURT','COVER','CRACK','CRAFT','CRASH','CRAZY','CREAM','CREEK','CRIME',
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'CRISP','CROSS','CROWD','CROWN','CRUEL','CRUSH','CURVE','CYCLE','DAILY',
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'DANCE','DEATH','DEBUT','DELAY','DENSE','DEPOT','DEPTH','DERBY','DEVIL',
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'DIGIT','DIRTY','DOING','DOUBT','DOUGH','DRAFT','DRAIN','DRAMA','DRANK',
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'DRAWN','DREAM','DRESS','DRIED','DRIFT','DRILL','DRINK','DRIVE','DROVE',
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'DRUGS','DRUMS','DRUNK','DWELL','DYING','EAGER','EARLY','EARTH','EIGHT',
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'ELECT','EMAIL','EMPTY','ENEMY','ENJOY','ENTER','ENTRY','EQUAL','ERROR',
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'ESSAY','EVERY','EVENT','EXACT','EXIST','EXTRA','FAINT','FAIRY','FAITH',
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'FALSE','FANCY','FAULT','FEAST','FENCE','FETCH','FEVER','FEWER','FIELD',
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'FIFTH','FIFTY','FIGHT','FINAL','FLAIR','FLAME','FLASH','FLEET','FLESH',
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'FLOAT','FLOOD','FLOOR','FLOUR','FLUID','FOCUS','FORCE','FORGE','FORUM',
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'FOUND','FRANK','FRAUD','FRESH','FRONT','FROST','FROZE','FRUIT','FULLY',
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'FUNDS','FUNNY','GHOST','GIANT','GIVEN','GLASS','GLOBE','GLOOM','GLOSS',
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'GLOVE','GOING','GRACE','GRADE','GRAIN','GRAND','GRANT','GRASP','GRASS',
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'GRAVE','GREAT','GREEN','GREET','GRIEF','GRIND','GROAN','GROSS','GROUP',
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'GROVE','GROWN','GUARD','GUESS','GUEST','GUIDE','GUILT','GUISE','GUSTO',
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'HABIT','HAPPY','HARSH','HEART','HEAVY','HENCE','HINGE','HONEY','HONOR',
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'HORSE','HOTEL','HOUSE','HUMAN','HUMOR','HURRY','IDEAL','IMAGE','IMPLY',
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'INBOX','INDEX','INNER','INPUT','INTER','INTRO','ISSUE','JAPAN','JOINT',
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'JOUST','JUDGE','JUICE','JUICY','JUMBO','KARMA','KNIFE','KNOCK','KNOWN',
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'LABEL','LARGE','LASER','LATER','LAUGH','LAYER','LEARN','LEASE','LEAVE',
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'LEGAL','LEVEL','LIGHT','LIMIT','LINEN','LIVER','LOCAL','LODGE','LOGIC',
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'LOOSE','LOVER','LOWER','LUCKY','LUNAR','LYING','MAGIC','MAJOR','MAKER',
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'MARCH','MATCH','MAYOR','MEDIA','MERIT','METAL','MIGHT','MINOR','MINUS',
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'MIXED','MODEL','MONEY','MONTH','MORAL','MOTOR','MOUNT','MOUSE','MOUTH',
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'MOVED','MOVIE','MUSIC','NAIVE','NEVER','NIGHT','NOISE','NORTH','NOTED',
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'NOVEL','NURSE','OCCUR','OFFER','OFTEN','ONSET','OPERA','ORBIT','ORDER',
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'OTHER','OUTER','OUNCE','OWNER','PAINT','PANEL','PAPER','PARTY','PASTA',
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'PATCH','PAUSE','PEACE','PEARL','PEDAL','PENNY','PERCH','PHASE','PHONE',
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'PHOTO','PIANO','PIECE','PILOT','PITCH','PIXEL','PIZZA','PLACE','PLAIN',
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'PLANE','PLANT','PLATE','PLAZA','PLEAD','PLUCK','PLUMB','PLUME','PLUMP',
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'PLUNGE','POINT','POKER','POLAR','POUND','POWER','PRESS','PRICE','PRIDE',
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'PRIME','PRINT','PRIOR','PRIZE','PROBE','PROOF','PROSE','PROUD','PROVE',
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'PROXY','PULSE','PUPIL','QUEEN','QUERY','QUEST','QUEUE','QUICK','QUIET',
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'QUITE','QUOTA','QUOTE','RADAR','RADIO','RAISE','RALLY','RANCH','RANGE',
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'RAPID','RATIO','REACH','READY','REALM','REBEL','REFER','REIGN','RELAX',
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'REPLY','RIGHT','RIGID','RISKY','RIVAL','RIVER','ROBOT','ROCKY','ROMAN',
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'ROUGH','ROUND','ROUTE','ROYAL','RULER','RUMOR','RURAL','SAINT','SALAD',
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'SAUCE','SCALE','SCALD','SCENE','SCOUT','SCREW','SEIZE','SENSE','SERVE',
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'SEVEN','SHADE','SHAKE','SHALL','SHAME','SHAPE','SHARE','SHARP','SHELF',
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'SHIFT','SHIRT','SHOCK','SHOOT','SHORT','SHOUT','SIGHT','SINCE','SIXTH',
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'SIXTY','SIZED','SKILL','SLEEP','SLICE','SLIDE','SLOPE','SLUMP','SMALL',
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'SMART','SMELL','SMILE','SMOKE','SOLAR','SOLID','SOLVE','SORRY','SOUND',
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'SOUTH','SPACE','SPARK','SPEAK','SPELL','SPEND','SPICE','SPILL','SPINE',
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'SPLIT','SPOKE','SPORT','SPRAY','SQUAD','STACK','STAFF','STAGE','STAIN',
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'STAKE','STALE','STALL','STAND','START','STATE','STEAL','STEEL','STEEP',
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'STICK','STILL','STOCK','STOOD','STORE','STORM','STORY','STRAP','STRAW',
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'STRIP','STUDY','STUFF','STYLE','SUGAR','SUITE','SUPER','SURGE','SWAMP',
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'SWEAR','SWEAT','SWEEP','SWEET','SWEPT','SWIFT','SWING','SWORE','SWORN',
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'TABLE','TAKEN','TASTE','TEACH','TEETH','TENSE','TERMS','THANK','THEIR',
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'THEME','THERE','THESE','THICK','THING','THINK','THIRD','THOSE','THREE',
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'THREW','THROW','TIGHT','TIMER','TIRED','TITLE','TODAY','TOKEN','TONAL',
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'TOPIC','TOTAL','TOUCH','TOUGH','TRACE','TRACK','TRADE','TRAIL','TRAIN',
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'TRAIT','TRASH','TREAT','TREND','TRIAL','TRIBE','TRICK','TRIED','TROOP',
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'TRUCK','TRULY','TRUMP','TRUNK','TRUTH','TUMOR','TWICE','TWIST','TYPICAL',
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'ULTRA','UNDER','UNION','UNITE','UNITY','UNTIL','UPPER','UPSET','URBAN',
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'USAGE','UTTER','VALID','VALUE','VALVE','VERSE','VIDEO','VIGOR','VIRAL',
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'VIRUS','VISIT','VITAL','VIVID','VOICE','VOTER','WAIST','WASTE','WATCH',
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'WATER','WEARY','WEIGH','WEIRD','WHILE','WHITE','WHOLE','WHOSE','WIDER',
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'WITCH','WOMAN','WOMEN','WORLD','WORRY','WORSE','WORST','WORTH','WOULD',
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'WOUND','WRIST','WRITE','WROTE','YOUNG','YOURS','YOUTH','ZONAL',
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]);
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// ── Load word sets at startup ─────────────────────────────────────────────────
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let allFiveLetterWords = null; // Set<string> — all valid 5-letter ENABLE words
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let answerPool = null; // string[] — shuffleable answer list
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function loadWordLists() {
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if (allFiveLetterWords) return;
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let raw = '';
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try {
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raw = fs.readFileSync(WORDLIST_PATH, 'utf8');
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} catch (err) {
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console.warn('[words] ENABLE word list not found, using fallback.');
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raw = [...COMMON_WORDS].join('\n');
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}
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const allWords = raw.split('\n').map(w => w.trim().toUpperCase());
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const enableFive = new Set(
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allWords.filter(w => w.length === 5 && /^[A-Z]{5}$/.test(w)),
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);
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allFiveLetterWords = enableFive;
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// Scrabble dictionary: every ENABLE word of legal play length (2–15 letters).
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const scrabbleWords = new Set(
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allWords.filter(w => w.length >= 2 && w.length <= 15 && /^[A-Z]+$/.test(w)),
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);
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initScrabbleDictionary(scrabbleWords);
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console.log(`[words] loaded ${scrabbleWords.size} Scrabble words (2–15 letters)`);
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// Ghost dictionary: every ENABLE word of length >= 4 (shorter words don't count).
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const ghostWords = allWords.filter(w => w.length >= 4 && /^[A-Z]+$/.test(w));
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initGhostDictionary(ghostWords);
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console.log(`[words] loaded ${ghostWords.length} Ghost words (4+ letters)`);
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// Answer pool: prefer curated common words that are also in ENABLE;
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// supplement with additional ENABLE words up to a healthy pool size.
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const curated = [...COMMON_WORDS].filter(w => enableFive.has(w));
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answerPool = curated.length >= 200 ? curated : [...enableFive];
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console.log(`[words] loaded ${enableFive.size} valid 5-letter words, ${answerPool.length} answer candidates`);
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}
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loadWordLists();
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// ── Router ────────────────────────────────────────────────────────────────────
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const router = Router();
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// GET /api/words/wordle/start
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// Returns a random answer word plus the full valid-word pool for the client.
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router.get('/wordle/start', (_req, res) => {
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const answer = answerPool[Math.floor(Math.random() * answerPool.length)];
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res.json({ answer, validWords: [...allFiveLetterWords] });
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});
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// POST /api/words/wordle/validate { word: string }
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// Quick single-word validation (used as a lightweight alternative to the full pool).
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router.post('/wordle/validate', (req, res) => {
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const word = (req.body?.word ?? '').trim().toUpperCase();
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if (!/^[A-Z]{5}$/.test(word)) {
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return res.json({ valid: false });
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}
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res.json({ valid: allFiveLetterWords.has(word) });
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});
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// ── Scrabble ──────────────────────────────────────────────────────────────────
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// POST /api/words/scrabble/validate { words: string[] }
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// Validates every word a human move forms. Returns the list of invalid ones.
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router.post('/scrabble/validate', (req, res) => {
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const words = Array.isArray(req.body?.words) ? req.body.words : [];
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const invalid = words
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.map(w => String(w).trim().toUpperCase())
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.filter(w => !isValidWord(w));
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res.json({ valid: invalid.length === 0, invalid });
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});
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// POST /api/words/scrabble/ai-move { board, rack, skill, firstMove, bagCount }
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// Returns the AI's chosen move: a play, an exchange, or a pass.
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router.post('/scrabble/ai-move', (req, res) => {
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const { board, rack, skill, firstMove, bagCount } = req.body ?? {};
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if (!Array.isArray(board) || !Array.isArray(rack)) {
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return res.status(400).json({ error: 'board and rack are required' });
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}
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const move = chooseMove({
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board,
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rack,
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skill: Number(skill) || 3,
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firstMove: !!firstMove,
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bagCount: Number(bagCount) || 0,
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});
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res.json(move);
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});
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// ── Ghost ───────────────────────────────────────────────────────────────────
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// POST /api/words/ghost/judge { fragment: string }
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// Grades the fragment a player just formed: a completed word, or off-dictionary,
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// both lose the round for whoever made the move.
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router.post('/ghost/judge', (req, res) => {
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const fragment = String(req.body?.fragment ?? '');
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res.json(ghostJudge(fragment));
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});
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// POST /api/words/ghost/ai-move { fragment: string, skill: number }
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// Returns the AI's letter and how the resulting fragment grades.
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router.post('/ghost/ai-move', (req, res) => {
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const fragment = String(req.body?.fragment ?? '');
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const skill = Number(req.body?.skill) || 3;
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res.json(ghostChooseLetter(fragment, skill));
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});
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export default router;
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