export default class Api {

	constructor({server, processPage, timezone, errorCode, lang}) {
		this.server = server;
		this.processPage = processPage;
		this.timezone = timezone;
		this.errorCode = errorCode;
		this.lang = lang;
	}

	async get(action, params = {}) {
		const requestParams = {
			...params,
			a: action,
			t: this.timezone
		};

		const url = new URL(this.processPage, this.server);
		url.search = new URLSearchParams(requestParams).toString();

		const request = await fetch(url, {
			method: 'GET',
			headers: {'Content-Type': 'application/json'}
		});

		if(!request.ok) {
			throw new Error('Error HTTP ' + request.status + ': ' + request.statusText);
		}

		const response = await request.json();
		response.desc = this.lang.parse(response.desc);

		if(response.result == this.errorCode) {
			throw response.desc;
		}

		return response.data;
	}
}