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'use strict';
const N = 15; // board size
let lexicon = 'nwl23';
function updateBoardSize() {
let board = document.getElementById('board');
// sucks for desktop zooming, but there's no way around it.
let width = innerWidth;
let height = innerHeight;
let boardSize = Math.min(width - 20, Math.floor(height * 0.6));
let fontSize = (boardSize / N - 4) * 0.6;
board.style.fontSize = fontSize + 'px';
board.style.width = boardSize + 'px';
board.style.height = boardSize + 'px';
let selectContainer = document.getElementById('select-container');
selectContainer.style.fontSize = fontSize + 'px';
selectContainer.style.width = boardSize + 'px';
selectContainer.style.height = boardSize / N * 2 + 'px';
}
const DOUBLE_LETTER = 'double-letter';
const TRIPLE_LETTER = 'triple-letter';
const DOUBLE_WORD = 'double-word';
const TRIPLE_WORD = 'triple-word';
function getBonus(row, col) {
row = Math.min(row, N-1 - row);
col = Math.min(col, N-1 - col);
let id = Math.min(row * N + col, col * N + row);
if (id == 0 || id == 7) {
return TRIPLE_WORD;
} else if (id == N+5 || id == 5*N+5) {
return TRIPLE_LETTER;
} else if (id == 3 || id == 2*N+6 || id == 3*N+7 || id == 6*N+6) {
return DOUBLE_LETTER;
} else if (id == 7*N+7 || id == N+1 || id == 2*N+2 || id == 3*N+3 || id == 4*N+4) {
return DOUBLE_WORD;
} else {
return '';
}
}
function pointValue(letter) {
return {
'A': 1, 'B': 3, 'C': 3, 'D': 2, 'E': 1,
'F': 4, 'G': 2, 'H': 4, 'I': 1, 'J': 8,
'K': 5, 'L': 1, 'M': 3, 'N': 1, 'O': 1,
'P': 3, 'Q': 10,'R': 1, 'S': 1, 'T': 1,
'U': 1, 'V': 4, 'W': 4, 'X': 8, 'Y': 4,
'Z': 10,
}[letter];
}
let boardSquareElems = [];
function makeTile(container, letter, showPointValue) {
let tile = document.createElement('span');
tile.classList.add('tile');
let blank = false;
if (letter === letter.toLowerCase()) {
blank = true;
}
let text = document.createElement('span');
text.appendChild(document.createTextNode(letter.toUpperCase()));
let points = document.createElement('span');
if (showPointValue)
points.appendChild(document.createTextNode(blank ? '0' : pointValue(letter) + ''));
points.classList.add('point-value');
if (blank)
text.classList.add('blank');
tile.appendChild(text);
container.appendChild(tile);
container.appendChild(points);
}
function putTile(row, col, letter) {
let squareElem = boardSquareElems[row][col];
makeTile(squareElem, letter, true);
}
function selectTile(elem, row, col) {
deselectTile();
elem.classList.add('selected');
document.getElementById('select').style.display = 'block';
}
function deselectTile() {
let selected = document.querySelector('.selected');
if (selected)
selected.classList.remove('selected');
for (let tile of document.querySelectorAll('.tile.possible')) {
tile.classList.remove('possible');
}
document.getElementById('select').style.display = 'none';
}
function clickedSquare(highlight, row, col) {
return (e) => {
if (e.button === 0) {
if (highlight.classList.contains('selected')) {
deselectTile();
} else {
selectTile(highlight, row, col);
}
e.preventDefault();
} else if (e.button === 2) {
if (highlight.classList.contains('nothing')) {
highlight.classList.remove('nothing');
} else {
highlight.classList.add('nothing');
if (highlight.classList.contains('selected'))
deselectTile();
}
e.preventDefault();
}
};
}
// TODO : error handling
async function loadChallenge(id) {
let result = await fetch(`challenges-${lexicon}/${id}.txt`);
let body = await result.text();
let lines = body.split('\n');
let board = [];
for (let row = 0; row < 15; row++) {
board.push([]);
for (let col = 0; col < 15; col++) {
board[row].push(lines[row][col]);
}
}
for (let row = 0; row < 15; row++) {
for (let col = 0; col < 15; col++) {
let letter = board[row][col];
if (letter !== '.') {
putTile(row, col, letter);
continue;
}
let neighbours = [];
if (row > 0)
neighbours.push(board[row-1][col]);
if (row < N-1)
neighbours.push(board[row+1][col]);
if (col > 0)
neighbours.push(board[row][col-1]);
if (col < N-1)
neighbours.push(board[row][col+1]);
if (neighbours.filter((x) => x !== '.').length === 0) {
// not connected
continue;
}
let highlight = document.createElement('div');
highlight.classList.add('highlight');
boardSquareElems[row][col].appendChild(highlight);
highlight.addEventListener('contextmenu', (e) => e.preventDefault());
highlight.addEventListener('mousedown', clickedSquare(highlight, row, col));
}
}
}
function startup() {
updateBoardSize();
for (let row = 0; row < N; row++) {
let rowElem = document.createElement('div');
rowElem.classList.add('board-row');
board.appendChild(rowElem);
boardSquareElems.push([]);
for (let col = 0; col < N; col++) {
let squareElem = document.createElement('div');
squareElem.classList.add('board-square');
let bonus = getBonus(row, col);
if (bonus) squareElem.classList.add(bonus);
rowElem.appendChild(squareElem);
boardSquareElems[row].push(squareElem);
}
}
let selectContainer = document.getElementById('select-container');
for (let row = 0; row < 2; row++) {
let rowContainer = selectContainer.querySelectorAll('.select-container-row')[row];
for (let i = row*N; i < (row+1)*N; i++) {
let tiles = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
if (i >= tiles.length) break;
let elem = document.createElement('span');
elem.classList.add('select-tile-container');
makeTile(elem, tiles[i], false);
let tileElem = elem.querySelector('.tile');
elem.addEventListener('click', () => {
if (tileElem.classList.contains('possible'))
tileElem.classList.remove('possible');
else
tileElem.classList.add('possible');
});
rowContainer.appendChild(elem);
}
}
loadChallenge('00000');
}
window.addEventListener('load', startup);
window.addEventListener('resize', updateBoardSize);
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