import { config } from '@/config';
import login from './login';
import ConfigNotFoundError from '@/errors/types/config-not-found';

let tokenIndex = 0;

async function getToken() {
    let token;
    if (config.twitter.username && config.twitter.password) {
        const index = tokenIndex++ % config.twitter.username.length;
        const username = config.twitter.username[index];
        const password = config.twitter.password[index];
        const authenticationSecret = config.twitter.authenticationSecret?.[index];
        const phoneOrEmail = config.twitter.phoneOrEmail?.[index];
        if (username && password) {
            const authentication = await login({
                username,
                password,
                authenticationSecret,
                phoneOrEmail,
            });
            if (!authentication) {
                throw new ConfigNotFoundError(`Invalid twitter configs: ${username}`);
            }
            token = {
                key: authentication.oauth_token,
                secret: authentication.oauth_token_secret,
                cacheKey: `twitter:authentication:${username}`,
            };
        }
    } else {
        throw new ConfigNotFoundError('Invalid twitter configs');
    }

    return token;
}

export { getToken };