/*
	Spacebar: A FOSS re-implementation and extension of the Discord.com backend.
	Copyright (C) 2023 Spacebar and Spacebar Contributors

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU Affero General Public License as published
	by the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU Affero General Public License for more details.

	You should have received a copy of the GNU Affero General Public License
	along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/

import { route } from "@spacebar/api";
import { ReadState } from "@spacebar/util";
import { Request, Response, Router } from "express";
import { AckBulkSchema } from "@spacebar/schemas";
const router = Router({ mergeParams: true });

router.post(
    "/",
    route({
        requestBody: "AckBulkSchema",
        responses: {
            204: {},
            400: {
                body: "APIErrorResponse",
            },
        },
    }),
    async (req: Request, res: Response) => {
        const body = req.body as AckBulkSchema;

        // TODO: what is read_state_type ?

        await Promise.all([
            // for every new state
            ...body.read_states.map(async (x) => {
                // find an existing one
                const ret =
                    (await ReadState.findOne({
                        where: {
                            user_id: req.user_id,
                            channel_id: x.channel_id,
                        },
                    })) ??
                    // if it doesn't exist, create it (not a promise)
                    ReadState.create({
                        user_id: req.user_id,
                        channel_id: x.channel_id,
                    });

                ret.last_message_id = x.message_id;
                //It's a little more complicated than this but this'll do
                ret.mention_count = 0;

                return ret.save();
            }),
        ]);

        return res.sendStatus(204);
    },
);

export default router;