import config from "../config";
import { getBaseUrl } from "../helpers";

/**
 * Classe permettant de gérer les page du back office
 */
class Pages {
    /**
     * @param {Object} req
     * @param {String} viewname
     */
    constructor(req, viewname) {
        this.req = req;
        this.pageContent = {
            page: {
                title: null,
                user: null,
            },
            viewname: `pages/${viewname}`,
        };

        this.user = null;
        this.pagename = viewname;

        if (req.session && req.session.passport && req.session.passport.user) {
            this.user = req.session.passport.user;
        }

        if (!req.query.page) {
            req.query.page = 1;
        }
        if (!req.query.limit) {
            req.query.limit = config.pagination;
        }
    }

    /**
     * Rendu de la page
     * @return {Object}
     */
    render() {
        this.pageContent.session = this.req.session;
        this.pageContent.flashInfo = this.req.flash("info");
        this.pageContent.error = this.req.flash("error") || null;
        this.pageContent.query = this.req.query;
        this.pageContent.params = this.req.params;
        this.pageContent.user = this.user;
        this.pageContent.config = config;
        this.pageContent.getBaseUrl = getBaseUrl();

        if (this.req.session.flash && this.req.session.flash.error) {
            // eslint-disable-next-line prefer-destructuring
            this.pageContent.page.failureFlash =
                this.req.session.flash.error[0];
            this.req.session.flash = null;
        }

        return this.pageContent;
    }
}

export default Pages;