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;
        }
    }

    setPageTitle(title) {
        this.pageContent.page.title = title;
    }

    setPageContent(field, value) {
        this.pageContent.page[field] = value;
    }

    getPageContent(field) {
        return this.pageContent.page[field];
    }

    /**
     * Rendu de la page
     * @return {Object}
     */
    render() {
        this.pageContent.session = this.req.session;
        this.pageContent.flash = {
            info: this.req.flash("info"),
            error: [
                ...this.req.flash("error"),
                ...(this.req.session?.flash?.error || []),
            ],
            success: this.req.flash("success"),
        };
        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(this.req);

        return this.pageContent;
    }
}

export default Pages;