import { UserManager, WebStorageStateStore } from 'oidc-client-ts';

// 创建存储配置的函数，避免 SSR 问题
const createUserStore = () => {
	if (typeof window !== 'undefined' && window.localStorage) {
		return new WebStorageStateStore({ store: window.localStorage });
	}
	return undefined;
};

// OIDC 客户端配置
export const oidcConfig = {
	authority: 'http://localhost:3000/oidc', // 后端OIDC provider地址
	client_id: 'demo-client',
	client_secret: 'demo-client-secret',
	redirect_uri: 'http://localhost:3001/auth/callback',
	post_logout_redirect_uri: 'http://localhost:3001',
	response_type: 'code',
	scope: 'openid profile email',
	automaticSilentRenew: true,
	includeIdTokenInSilentRenew: true,
	revokeTokensOnSignout: true,
	...(typeof window !== 'undefined' && { userStore: createUserStore() }),
};

// 创建用户管理器实例
export const userManager = typeof window !== 'undefined' ? new UserManager(oidcConfig) : null;

// OIDC 相关的URL
export const oidcUrls = {
	login: `${oidcConfig.authority}/auth`,
	logout: `${oidcConfig.authority}/logout`,
	token: `${oidcConfig.authority}/token`,
	userinfo: `${oidcConfig.authority}/userinfo`,
};