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exo3 finish #92

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212 changes: 110 additions & 102 deletions src/12_RefactoringGolf/exo3/kata.ts
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Original file line number Diff line number Diff line change
@@ -1,131 +1,139 @@
// === Constants ===
const EMPTY_SYMBOL = ' ';
const PLAYER_O = 'O';
const BOARD_SIZE = 3;

// Error messages
const ERROR_INVALID_FIRST_PLAYER = 'Invalid first player';
const ERROR_INVALID_NEXT_PLAYER = 'Invalid next player';
const ERROR_INVALID_POSITION = 'Invalid position';

const leBonNom = ' ';
export class Game {
private _lastSymbol = leBonNom;
private _board: Board = new Board();
private _lastSymbol = EMPTY_SYMBOL;
private _board: Board = new Board();

public Play(symbol: string, x: number, y: number): void {
this.validateFirstMove(symbol);
this.validatePlayer(symbol);
this.validatePositionIsEmpty(x, y);
public Play(symbol: string, x: number, y: number): void {
this.validateFirstMove(symbol);
this.validatePlayer(symbol);
this.validatePositionIsEmpty(x, y);

this.updateLastPlayer(symbol);
this.updateBoard(symbol, x, y);
}
this.updateLastPlayer(symbol);
this.updateBoard(symbol, x, y);
}

private validateFirstMove(player: string) {
if (this._lastSymbol == ' ') {
if (player == 'O') {
throw new Error('Invalid first player');
private validateFirstMove(player: string) {
if (this._lastSymbol === EMPTY_SYMBOL) {
if (player === PLAYER_O) {
throw new Error(ERROR_INVALID_FIRST_PLAYER);
}
}
}
}
}

private validatePlayer(player: string) {
if (player == this._lastSymbol) {
throw new Error('Invalid next player');
}
}
private validatePlayer(player: string) {
if (player === this._lastSymbol) {
throw new Error(ERROR_INVALID_NEXT_PLAYER);
}
}

private validatePositionIsEmpty(x: number, y: number) {
if (this._board.TileAt(x, y).Symbol != ' ') {
throw new Error('Invalid position');
}
}
private validatePositionIsEmpty(x: number, y: number) {
if (this._board.TileAt(x, y).Symbol !== EMPTY_SYMBOL) {
throw new Error(ERROR_INVALID_POSITION);
}
}

private updateLastPlayer(player: string) {
this._lastSymbol = player;
}
private updateLastPlayer(player: string) {
this._lastSymbol = player;
}

private updateBoard(player: string, x: number, y: number) {
this._board.AddTileAt(player, x, y);
}
private updateBoard(player: string, x: number, y: number) {
this._board.AddTileAt(player, x, y);
}

public Winner(): string {
if (this.isFirstRowFull() && this.isFirstRowFullWithSameSymbol()) {
return this._board.TileAt(0, 0)!.Symbol;
}
public Winner(): string {
if (this.isFirstRowFull() && this.isFirstRowFullWithSameSymbol()) {
return this._board.TileAt(0, 0)!.Symbol;
}

if (this.isSecondRowFull() && this.isSecondRowFullWithSameSymbol()) {
return this._board.TileAt(1, 0)!.Symbol;
}
if (this.isSecondRowFull() && this.isSecondRowFullWithSameSymbol()) {
return this._board.TileAt(1, 0)!.Symbol;
}

if (this.isThirdRowFull() && this.isThirdRowFullWithSameSymbol()) {
return this._board.TileAt(2, 0)!.Symbol;
}
if (this.isThirdRowFull() && this.isThirdRowFullWithSameSymbol()) {
return this._board.TileAt(2, 0)!.Symbol;
}

return ' ';
}
return EMPTY_SYMBOL;
}

private isFirstRowFull() {
return (
this._board.TileAt(0, 0)!.Symbol != ' ' &&
this._board.TileAt(0, 1)!.Symbol != ' ' &&
this._board.TileAt(0, 2)!.Symbol != ' '
);
}
private isFirstRowFull() {
return (
this._board.TileAt(0, 0)!.Symbol !== EMPTY_SYMBOL &&
this._board.TileAt(0, 1)!.Symbol !== EMPTY_SYMBOL &&
this._board.TileAt(0, 2)!.Symbol !== EMPTY_SYMBOL
);
}

private isFirstRowFullWithSameSymbol() {
return (
this._board.TileAt(0, 0)!.Symbol == this._board.TileAt(0, 1)!.Symbol &&
this._board.TileAt(0, 2)!.Symbol == this._board.TileAt(0, 1)!.Symbol
);
}
private isFirstRowFullWithSameSymbol() {
return (
this._board.TileAt(0, 0)!.Symbol === this._board.TileAt(0, 1)!.Symbol &&
this._board.TileAt(0, 2)!.Symbol === this._board.TileAt(0, 1)!.Symbol
);
}

private isSecondRowFull() {
return (
this._board.TileAt(1, 0)!.Symbol != ' ' &&
this._board.TileAt(1, 1)!.Symbol != ' ' &&
this._board.TileAt(1, 2)!.Symbol != ' '
);
}
private isSecondRowFull() {
return (
this._board.TileAt(1, 0)!.Symbol !== EMPTY_SYMBOL &&
this._board.TileAt(1, 1)!.Symbol !== EMPTY_SYMBOL &&
this._board.TileAt(1, 2)!.Symbol !== EMPTY_SYMBOL
);
}

private isSecondRowFullWithSameSymbol() {
return (
this._board.TileAt(1, 0)!.Symbol == this._board.TileAt(1, 1)!.Symbol &&
this._board.TileAt(1, 2)!.Symbol == this._board.TileAt(1, 1)!.Symbol
);
}
private isSecondRowFullWithSameSymbol() {
return (
this._board.TileAt(1, 0)!.Symbol === this._board.TileAt(1, 1)!.Symbol &&
this._board.TileAt(1, 2)!.Symbol === this._board.TileAt(1, 1)!.Symbol
);
}

private isThirdRowFull() {
return (
this._board.TileAt(2, 0)!.Symbol != ' ' &&
this._board.TileAt(2, 1)!.Symbol != ' ' &&
this._board.TileAt(2, 2)!.Symbol != ' '
);
}
private isThirdRowFull() {
return (
this._board.TileAt(2, 0)!.Symbol !== EMPTY_SYMBOL &&
this._board.TileAt(2, 1)!.Symbol !== EMPTY_SYMBOL &&
this._board.TileAt(2, 2)!.Symbol !== EMPTY_SYMBOL
);
}

private isThirdRowFullWithSameSymbol() {
return (
this._board.TileAt(2, 0)!.Symbol == this._board.TileAt(2, 1)!.Symbol &&
this._board.TileAt(2, 2)!.Symbol == this._board.TileAt(2, 1)!.Symbol
);
}
private isThirdRowFullWithSameSymbol() {
return (
this._board.TileAt(2, 0)!.Symbol === this._board.TileAt(2, 1)!.Symbol &&
this._board.TileAt(2, 2)!.Symbol === this._board.TileAt(2, 1)!.Symbol
);
}
}

interface Tile {
X: number;
Y: number;
Symbol: string;
X: number;
Y: number;
Symbol: string;
}

class Board {
private _plays: Tile[] = [];

constructor() {
for (let i = 0; i < 3; i++) {
for (let j = 0; j < 3; j++) {
const tile: Tile = { X: i, Y: j, Symbol: ' ' };
this._plays.push(tile);
private _plays: Tile[] = [];

constructor() {
for (let i = 0; i < BOARD_SIZE; i++) {
for (let j = 0; j < BOARD_SIZE; j++) {
const tile: Tile = { X: i, Y: j, Symbol: EMPTY_SYMBOL };
this._plays.push(tile);
}
}
}
}
}

public TileAt(x: number, y: number): Tile {
return this._plays.find((t: Tile) => t.X == x && t.Y == y)!;
}
public TileAt(x: number, y: number): Tile {
return this._plays.find((t: Tile) => t.X === x && t.Y === y)!;
}

public AddTileAt(symbol: string, x: number, y: number): void {
this._plays.find((t: Tile) => t.X == x && t.Y == y)!.Symbol = symbol;
}
}
public AddTileAt(symbol: string, x: number, y: number): void {
this._plays.find((t: Tile) => t.X === x && t.Y === y)!.Symbol = symbol;
}
}