const urlresolve = require('url').resolve;
const needle = require('needle');

class Site {
    constructor(mainPageUrl, cookies) {
        const PHPSESSID = 'PHPSESSID';
        if (!(PHPSESSID in cookies)) {
            throw new Error('PHP Session ID not found');
        }
        this.phpsessid = cookies[PHPSESSID];
        this.mainPageUrl = mainPageUrl;
    }

    static async login(mainPageUrl, username, password) {
        const LOGIN_PAGE_ENDPOINT = 'login.php';
        try {
            const loginPageUrl = urlresolve(mainPageUrl, LOGIN_PAGE_ENDPOINT);
            const response = await needle('get', loginPageUrl, { username, password });
            return new Site(mainPageUrl, response.cookies);
        } catch (error) {
            throw new Error(`Login error: ${error}`);
        }
    }
}

module.exports = {
    Site
};

/*
// index.js
; (async function () {
    const site = await Site.login(CONFIG.mainPageUrl, CONFIG.user.name, CONFIG.user.password);
})();
*/