import jwt_decode from "jwt-decode";
import CookieService from "../CookieService/CookieService";
import User from "@Front/Api/Auth/IdNot/User";

enum PROVIDER_OPENID {
	idNot = "idNot",
}

export interface IUserJwtPayload {
	userId: string;
	email: string | null;
	openId: {
		providerName: PROVIDER_OPENID;
		userId: string | number;
	};
	office_Id: string;
	role: string;
	rules: string[];
	exp: number;
}

export interface ICustomerJwtPayload {
	userId: string;
	email: string;
}

export default class JwtService {
	private static instance: JwtService;
	private constructor() {}

	public static getInstance() {
		return (this.instance ??= new this());
	}

	public decodeJwt(): IUserJwtPayload | undefined {
		const accessToken = CookieService.getInstance().getCookie("leCoffreAccessToken");
		if (!accessToken) return;
		return jwt_decode(accessToken);
	}

	public decodeCustomerJwt(): ICustomerJwtPayload | undefined {
		const accessToken = CookieService.getInstance().getCookie("leCoffreAccessToken");
		if (!accessToken) return;
		return jwt_decode(accessToken);
	}

	/**
	 * @description : set a cookie with a name and a value that expire in 7 days
	 * @throws {Error} If the name or the value is empty
	 */
	public async checkJwt() {
		const decodedToken = this.decodeJwt();

		if (!decodedToken) return;

		const now = Math.floor(Date.now() / 1000);

		if (decodedToken.exp < now) {
			const refreshToken = CookieService.getInstance().getCookie("leCoffreRefreshToken");

			if (!refreshToken) return;
			const newAccessToken: { accessToken: string } = await User.getInstance().refreshToken(refreshToken);

			if (newAccessToken) {
				CookieService.getInstance().setCookie("leCoffreAccessToken", newAccessToken.accessToken);
			}
		}
	}

	public hasRule(name: string, action: string) {
		const accessToken = CookieService.getInstance().getCookie("leCoffreAccessToken");
		if (!accessToken) return false;
		const decodedToken = this.decodeJwt();
		if (!decodedToken) return false;
		return decodedToken?.rules?.some((rule: string) => rule === `${action} ${name}`);
	}
}