150 lines
3.5 KiB
JavaScript
150 lines
3.5 KiB
JavaScript
class ValidationError extends Error {
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constructor(message) {
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if (!message) {
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message = "ValidationError";
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}
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super(message);
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this.name = "ValidationError";
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}
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}
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class PlayerNotFoundError extends Error {
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constructor(message) {
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if (!message) {
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message = "Player not found";
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}
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super(message);
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this.name = "PlayerNotFoundError";
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}
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}
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class PlayerInactiveError extends Error {
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constructor(message) {
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if (!message) {
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message = "Player kicked out due to inactivity";
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}
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super(message);
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this.name = "PlayerInactiveError";
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}
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}
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class PositionError extends Error {
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constructor(message) {
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if (!message) {
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message = "Position out of bounds or collision with an object";
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}
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super(message);
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this.name = "PositionError";
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}
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}
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const Direction = {
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LEFT: "left",
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RIGHT: "right",
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UP: "up",
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DOWN: "down",
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};
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class FairHopper {
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constructor(host) {
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this.host = host;
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this.defaultHeaders = {
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Accept: "application/json",
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"Content-Type": "application/json",
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};
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}
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formatUrl(path) {
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return `${this.host}${path}`;
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}
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async ping() {
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const r = await fetch(this.formatUrl("/ping"), {
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headers: this.defaultHeaders,
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});
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return await r.json();
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}
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async startGame(playerName) {
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const payload = {
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player_name: playerName,
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};
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const r = await fetch(this.formatUrl("/game"), {
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method: "post",
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headers: this.defaultHeaders,
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body: JSON.stringify(payload),
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});
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switch (r.status) {
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case 422:
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throw new ValidationError();
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}
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return await r.json();
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}
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async getGameInfo() {
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const r = await fetch(this.formatUrl("/game"), {
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headers: this.defaultHeaders,
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});
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return await r.json();
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}
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async getPlayerInfo(playerId) {
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const r = await fetch(this.formatUrl(`/player/${playerId}`), {
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headers: this.defaultHeaders,
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});
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switch (r.status) {
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case 403:
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throw new PlayerInactiveError();
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case 404:
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throw new PlayerNotFoundError();
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case 422:
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throw new ValidationError();
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}
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return await r.json();
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}
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async moveLeft(playerId) {
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return await this.move(playerId, "left");
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}
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async moveRight(playerId) {
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return await this.move(playerId, "right");
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}
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async moveUp(playerId) {
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return await this.move(playerId, "up");
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}
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async moveDown(playerId) {
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return await this.move(playerId, "down");
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}
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async move(playerId, direction) {
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const url = this.formatUrl(`/player/${playerId}/move/${direction}`);
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const r = await fetch(url, {
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method: "post",
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headers: this.defaultHeaders,
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});
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switch (r.status) {
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case 403:
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throw new PlayerInactiveError();
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case 404:
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throw new PlayerNotFoundError();
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case 409:
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throw new PositionError();
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case 422:
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throw new ValidationError();
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}
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return await r.json();
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}
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}
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module.exports = {
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FairHopper,
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PlayerNotFoundError,
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PlayerInactiveError,
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PositionError,
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Direction,
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};
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