import { Router, Request, Response } from "express";
import { frontendConfig } from "../lib/config.js";
import { generateMagicLinkToken } from "../util/generator.js";
import MagicLink from "../models/MagicLink.js";
import { getConfigMiddleware } from "../lib/middleware.js";
import i18next from "i18next";

const router = Router();

router.use(getConfigMiddleware);

router.post("/magic-link/event/create", async (req: Request, res: Response) => {
    const { email } = req.body;
    if (!email) {
        res.render("createEventMagicLink", {
            ...frontendConfig(res),
            message: {
                type: "danger",
                text: i18next.t("routes.magiclink.provideemail"),
            },
        });
        return;
    }
    const allowedEmails = res.locals.config?.general.creator_email_addresses;
    if (!allowedEmails?.length) {
        // No creator email addresses are configured, so skip the magic link check
        return res.redirect("/new");
    }
    if (!allowedEmails.includes(email)) {
        res.render("createEventMagicLink", {
            ...frontendConfig(res),
            message: {
                type: "success",
                text: i18next.t("routes.magiclink.thanks"),
            },
        });
        return;
    }
    const token = generateMagicLinkToken();
    const magicLink = new MagicLink({
        email,
        token,
        expiryTime: new Date(Date.now() + 24 * 60 * 60 * 1000), // 24 hours
        permittedActions: ["createEvent"],
    });
    await magicLink.save();

    // Take this opportunity to delete any expired magic links
    await MagicLink.deleteMany({ expiryTime: { $lt: new Date() } });

    req.emailService.sendEmailFromTemplate({
        to: email,
        subject: i18next.t("routes.magiclink.mailsubject"),
        templateName: "createEventMagicLink",
        templateData: {
            token
        },
    });
    res.render("createEventMagicLink", {
        ...frontendConfig(res),
        message: {
            type: "success",
            text: i18next.t("routes.magiclink.thanks"),
        },
    });
});

export default router;