import { route } from "@fosscord/api";
import { User } from "@fosscord/util";
import { Request, Response, Router } from "express";

const router: Router = Router();

export interface UserRelationsResponse {
	object: {
		id?: string;
		username?: string;
		avatar?: string;
		discriminator?: string;
		public_flags?: number;
	};
}

router.get("/", route({ test: { response: { body: "UserRelationsResponse" } } }), async (req: Request, res: Response) => {
	let mutual_relations: object[] = [];
	const requested_relations = await User.findOneOrFail({
		where: { id: req.params.id },
		relations: ["relationships"]
	});
	const self_relations = await User.findOneOrFail({
		where: { id: req.user_id },
		relations: ["relationships"]
	});

	for (const rmem of requested_relations.relationships) {
		for (const smem of self_relations.relationships)
			if (rmem.to_id === smem.to_id && rmem.type === 1 && rmem.to_id !== req.user_id) {
				let relation_user = await User.getPublicUser(rmem.to_id);

				mutual_relations.push({
					id: relation_user.id,
					username: relation_user.username,
					avatar: relation_user.avatar,
					discriminator: relation_user.discriminator,
					public_flags: relation_user.public_flags
				});
			}
	}

	res.json(mutual_relations);
});

export default router;