Began writing an express backend

1 files changed, 0 insertions, 416 deletions

diff --git a/index.js b/index.js
deleted file mode 100644
index 0d10935..0000000
--- a/index.js
+++ /dev/null
@@ -1,416 +0,0 @@
-"use strict";
-
-let CW = function(){
-	//   102 letter tiles
-	//   0 point : blanches × 2.
-	//   1 point : E ×15, A ×9, I ×8, N ×6, O ×6, R ×6, S ×6, T ×6, U ×6, L ×5
-	//   2 points : D ×3, G ×2, M ×3
-	//   3 points : B ×2, C ×2, P ×2
-	//   4 points : F ×2, H ×2, V ×2
-	//   8 points : J ×1, Q ×1
-	//   10 points : K ×1, W ×1, X ×1, Y ×1, Z ×1
-	let total_remaining_letters = 102;
-	let letters = {
-		JOKER:{count:2, points:0 },
-		E:{count:15, points:1}, A:{count:9, points:1}, I:{count:9, points:1}, N:{count:6, points:1}, O:{count:6, points:1}, R:{count:6, points:1}, S:{count:6, points:1}, T:{count:6, points:1}, U:{count:6, points:1}, L:{count:5, points:1},
-		D:{count:3, points:2}, G:{count:2, points:2}, M:{count:3, points:2},
-		B:{count:2, points:3}, C:{count:2, points:3}, P:{count:2, points:3},
-		F:{count:2, points:4}, H:{count:2, points:4}, V:{count:2, points:4},
-		J:{count:1, points:8}, Q:{count:1, points:8},
-		K:{count:1, points:10}, W:{count:1, points:10}, X:{count:1, points:10}, Y:{count:1, points:10}, Z:{count:1, points:10},
-	};
-	let cursor = undefined;
-	let placed = []; // a sorted array of letters to place
-
-	function makeBoardTileOnCLick(x, y) {
-		return function() {
-			let me = document.getElementById(["s", y, "_", x].join(""));
-			if (me.innerHTML === "") {
-				moveCursor(x, y);
-			} else if (me.classList.contains("placed")) {
-				moveFromBoardToRack(x, y, me);
-			} else if (cursor !== undefined && cursor.x == x && cursor.y == y) {
-				// if we just clicked the cursor, swap its direction
-				if (cursor.direction === "right") {
-					cursor.direction = "down";
-					me.innerHTML = "▼";
-				} else {
-					cursor.direction = "right";
-					me.innerHTML = "▶";
-				}
-			}
-		};
-	}
-	function makeRackTileOnClick(i) {
-		return function() {
-			if (cursor !== undefined) {
-				let me = document.getElementById(["l", i].join(""));
-				if (me.innerHTML != "") {
-					moveFromRackToBoard(me, cursor.x, cursor.y);
-				}
-			}
-		};
-	}
-
-	function moveCursor(x, y) {
-		if (cursor === undefined) {
-			// No previous cursor, just set the new position
-			cursor = { x: x, y: y};
-		} else {
-			// Remove the cursor from its former position
-			let src = document.getElementById(["s", cursor.y, "_", cursor.x].join(""));
-			src.innerHTML = "";
-			cursor.x = x;
-			cursor.y = y;
-		}
-		// try to guess word direction if several letters are already placed
-		let dst = document.getElementById(["s", y, "_", x].join(""));
-		if (placed.length >= 2 && placed[0].x === placed[1].x) {
-			cursor.direction = "down";
-			dst.innerHTML = "▼";
-		} else {
-			cursor.direction = "right";
-			dst.innerHTML = "▶";
-		}
-	}
-	function moveCursorForwardIfPossible() {
-		while(cursor.x < 15 && cursor.y < 15) {
-			if (cursor.direction === "right") {
-				cursor.x++;
-			} else {
-				cursor.y++;
-			}
-			if (cursor.x >= 15 || cursor.y >= 15) {
-				cursor = undefined;
-				return;
-			}
-			let dst = document.getElementById(["s", cursor.y, "_", cursor.x].join(""));
-			if (dst.innerHTML === "") {
-				if (cursor.direction === "right") {
-					dst.innerHTML = "▶";
-				} else {
-					dst.innerHTML = "▼";
-				}
-				return;
-			}
-		}
-	}
-
-	function moveFromBoardToRack(x, y, src) {
-		CWDATA.board[y][x] = "";
-		// Find the letter in the placed array
-		let n = undefined;
-		for(n=placed.length-1; n>=0; n--) {
-			if (placed[n].x === x && placed[n].y === y) {
-				break;
-			}
-		}
-		// Find a free spot on the rack
-		let i = 0;
-		let dst = undefined;
-		do {
-			dst = document.getElementById(["l", i].join(""));
-			if (dst.innerHTML == "")
-				break;
-			i++;
-		} while (i<7);
-		// Move the board letter to the rack
-		if (src.innerHTML.charAt(21) === "&") {
-			dst.innerHTML = "&nbsp;";
-		} else {
-			dst.innerHTML = src.innerHTML;
-		}
-		dst.classList.add("letter");
-		src.classList.remove("letter");
-		src.classList.remove("placed");
-		// Place the cursor in the freed spot
-		moveCursor(x, y);
-		// Remove the letter from the placed array
-		placed.splice(n, 1);
-		// update the validate button
-		updateUI();
-	}
-
-	function moveFromRackToBoard(src, x, y) {
-		let dst = document.getElementById(["s", y, "_", x].join(""));
-		if (src.innerHTML === "&nbsp;") {
-			let letter = prompt("Entrez la lettre à utiliser", "A");
-			if (letter === null || !/^[A-Za-z]$/.test(letter)) {
-				return;
-			}
-			letter = letter.toUpperCase();
-			dst.innerHTML = [letter, "<div class=\"points\">&nbsp;</div>"].join("");
-			CWDATA.board[y][x] = {joker: letter};
-		} else {
-			dst.innerHTML = src.innerHTML;
-			CWDATA.board[y][x] = dst.innerHTML.charAt(0);
-		}
-		dst.classList.add("letter");
-		dst.classList.add("placed");
-		src.classList.remove("letter");
-		src.innerHTML = "";
-		// insert in the placed sorted array
-		placed.push({x: cursor.x, y: cursor.y, letter: dst.innerHTML});
-		for (let i=placed.length-1;i>0 && placed[i].y <= placed[i-1].y && placed[i].x <= placed[i-1].x;i--) {
-			let tmp = placed[i];
-			placed[i] = placed[i-1];
-			placed[i-1] = tmp;
-		}
-		// advance the cursor
-		moveCursorForwardIfPossible();
-		// update the validate button and pending points
-		updateUI();
-	}
-
-	function isValidPlay() {
-		// special case of no letters placed
-		if (placed.length === 0) {
-			return false;
-		}
-		// common definitions
-		let connected = false;
-		let x = placed[0].x;
-		let y = placed[0].y;
-		const lastx = placed[placed.length-1].x;
-		const lasty = placed[placed.length-1].y;
-		if (y>0) { // we check if we are connected above the first letter
-			connected ||= CWDATA.board[y-1][x] != "";
-		}
-		if (x>0) { // we check if we are connected on the left of the first letter
-			connected ||= CWDATA.board[y][x-1] != "";
-		}
-		// check if the placed letters are aligned and complete connection checks on the first and last letters
-		let direction = undefined;
-		if (x === lastx) {
-			direction = "down";
-			if (x<14) { // we are going down so we check for a connection on the right of the first letter
-				connected ||= CWDATA.board[y][x+1] != "";
-			}
-			if (lasty<14) { // we check bellow the last letter
-				connected ||= CWDATA.board[lasty+1][x] != "";
-			}
-		}
-		if (y === lasty) {
-			direction = "right";
-			if (lastx<14) { // we are going right so we check for a connection bellow the first letter
-				connected ||= CWDATA.board[y+1][x] != "";
-			}
-			if (lastx<14) { // we check on the right of the last letter
-				connected ||= CWDATA.board[y][lastx+1] != "";
-			}
-		}
-		// Now we check around the placed letters
-		let i=1;
-		while(i<placed.length && !(x === lastx && y === lasty)) {
-			if (direction === "down") {
-				y++;
-			} else {
-				x++;
-			}
-			if (placed[i].x === x && placed[i].y === y) {
-				// check around this letter
-				if (direction === "down") {
-					if (x > 0) { // we check for connection on the left
-						connected ||= CWDATA.board[y][x-1] != "";
-					}
-					if (x < 14) { // we check for connection on the right
-						connected ||= CWDATA.board[y][x+1] != "";
-					}
-				} else {
-					if (y>0) { // we check for connection on top
-						connected ||= CWDATA.board[y-1][x] != "";
-					}
-					if (y < 14) { // we check for connection bellow
-						connected ||= CWDATA.board[y+1][x] != "";
-					}
-				}
-				i++;
-			} else {
-				if (CWDATA.board[y][x] === "") {
-					break;
-				}
-				connected = true;
-			}
-		}
-		return connected && i === placed.length;
-	}
-
-	function getNewWordsAndScores() {
-		function getLetterScore(letter, elt, modifiers) {
-			let multiplier = 1;
-			if (elt.classList.contains("placed")) {
-				if (elt.classList.contains("tl")) {
-					multiplier = 3;
-				} else if (elt.classList.contains("dl")) {
-					multiplier = 2;
-				}
-				if (elt.classList.contains("tw")) {
-					modifiers.push("tw");
-				} else if (elt.classList.contains("dw")) {
-					modifiers.push("dw");
-				}
-			}
-			if (typeof letter === "object") {
-				return 0;
-			}
-			return multiplier * letters[letter].points;
-		}
-		function getHorizontalWordFrom(x, y) {
-			let word = "";
-			let points = 0;
-			let modifiers = [];
-			// Go to the left
-			for(let i=x;i>=0 && CWDATA.board[y][i] != "";i--) {
-				let letter = CWDATA.board[y][i];
-				let elt = document.getElementById(["s", y, "_", i].join(""));
-				let p = getLetterScore(letter, elt, modifiers);
-				if (typeof letter === "object") {
-					word = letter.joker + word;
-				} else {
-					word = letter + word;
-					points += p;
-				}
-			}
-			// Go to the right
-			for(let i=x+1;i<15 && CWDATA.board[y][i] != "";i++) {
-				let letter = CWDATA.board[y][i];
-				let elt = document.getElementById(["s", y, "_", i].join(""));
-				let p = getLetterScore(letter, elt, modifiers);
-				if (typeof letter === "object") {
-					word = word + letter.joker;
-				} else {
-					word = word + letter;
-					points += p;
-				}
-			}
-			// score modifiers
-			modifiers.forEach(function(m) { if (m === "dw") { points *= 2; } else { points *= 3; } });
-			return { word: word, points: points };
-		}
-		function getVerticalWordFrom(x, y) {
-			let word = "";
-			let points = 0;
-			let modifiers = [];
-			// Go to the top
-			for(let i=y;i>=0 && CWDATA.board[i][x] != "";i--) {
-				let letter = CWDATA.board[i][x];
-				let elt = document.getElementById(["s", i, "_", x].join(""));
-				let p = getLetterScore(letter, elt, modifiers);
-				if (typeof letter === "object") {
-					word = letter.joker + word;
-				} else {
-					word = letter + word;
-					points += p;
-				}
-			}
-			// Go to the bottom
-			for(let i=y+1;i<15 && CWDATA.board[i][x] != "";i++) {
-				let letter = CWDATA.board[i][x];
-				let elt = document.getElementById(["s", i, "_", x].join(""));
-				let p = getLetterScore(letter, elt, modifiers);
-				if (typeof letter === "object") {
-					word = word + letter.joker;
-				} else {
-					word = word + letter;
-					points += p;
-				}
-			}
-			// score modifiers
-			modifiers.forEach(function(m) { if (m === "dw") { points *= 2; } else { points *= 3; } });
-			return { word: word, points: points };
-		}
-		let words = [];
-		words.push(getHorizontalWordFrom(placed[0].x, placed[0].y));
-		words.push(getVerticalWordFrom(placed[0].x, placed[0].y));
-		for (let i=1; i<placed.length;i++) {
-			if (placed[i].x === placed[0].x) { // going down
-				words.push(getHorizontalWordFrom(placed[i].x, placed[i].y));
-			} else { // going right
-				words.push(getVerticalWordFrom(placed[i].x, placed[i].y));
-			}
-		}
-		// we strip one letter words
-		for(let i=words.length-1;i>=0;i--) {
-			if (words[i].word.length < 2) {
-				words.splice(i, 1);
-			}
-		}
-		return words;
-	}
-
-	function updateUI() {
-		let validate = document.getElementById("validate");
-		if (isValidPlay()) {
-			let words = getNewWordsAndScores();
-			console.log(words);
-			let total = 0;
-			words.forEach(function(word) {
-				total += word.points;
-			});
-			validate.innerHTML = [total, " - Validate"].join("");
-			validate.disabled = false;
-		} else {
-			validate.innerHTML = "0 - Validate";
-			validate.disabled = true;
-		}
-	}
-
-	return {
-		init: function() {
-			// populate the board
-			for (let y=0; y<CWDATA.board.length; y++) {
-				const line = CWDATA.board[y];
-				for(let x=0; x<line.length; x++) {
-					let letter = line[x];
-					let elt = document.getElementById(["s", y, "_", x].join(""));
-					if (letter !== "") {
-						elt.className = "letter";
-						if (typeof letter === "object") {
-							elt.innerHTML = [letter.joker, "<div class=\"points\">&nbsp;</div>"].join("");
-							letter = "JOKER";
-						} else {
-							elt.innerHTML = [letter, "<div class=\"points\">", letters[letter].points, "</div>"].join("");
-						}
-						// we also remove the letter from the pool
-						letters[letter].count--;
-						total_remaining_letters--;
-					}
-					elt.onclick = makeBoardTileOnCLick(x, y);
-				}
-			}
-			// populate the rack
-			for (let x=0; x<7; x++) {
-				let letter = CWDATA.letters[x];
-				let elt = document.getElementById(["l", x].join(""));
-				if (letter !== undefined) {
-					elt.className = "letter";
-					// we remove the letter from the pool
-					letters[letter].count--;
-					total_remaining_letters--;
-					if (letter === "JOKER") {
-						elt.innerHTML = "&nbsp;";
-					} else {
-						elt.innerHTML = [letter, "<div class=\"points\">", letters[letter].points, "</div>"].join("");
-					}
-				}
-				elt.onclick = makeRackTileOnClick(x);
-			}
-			// populate remaining letters
-			let remaining_letters = [ "Lettres restantes: ", total_remaining_letters, "<br>" ];
-			let first = true;
-			for (const [key, value] of Object.entries(letters)) {
-				if (value.count > 0) {
-					if (first) {
-						remaining_letters = remaining_letters.concat(key, "x", value.count);
-						first = false;
-					} else {
-						remaining_letters = remaining_letters.concat(", ", key, "x", value.count);
-					}
-				}
-			}
-			document.getElementById("remaining_letters").innerHTML = remaining_letters.join("");
-		},
-	};
-}();
-
-CW.init();