import define from "../../../define.js";
import { ApiError } from "../../../error.js";
import { GalleryPosts, GalleryLikes } from "@/models/index.js";

export const meta = {
	tags: ["gallery"],

	requireCredential: true,

	kind: "write:gallery-likes",

	errors: {
		noSuchPost: {
			message: "No such post.",
			code: "NO_SUCH_POST",
			id: "c32e6dd0-b555-4413-925e-b3757d19ed84",
		},

		notLiked: {
			message: "You have not liked that post.",
			code: "NOT_LIKED",
			id: "e3e8e06e-be37-41f7-a5b4-87a8250288f0",
		},
	},
} as const;

export const paramDef = {
	type: "object",
	properties: {
		postId: { type: "string", format: "misskey:id" },
	},
	required: ["postId"],
} as const;

export default define(meta, paramDef, async (ps, user) => {
	const post = await GalleryPosts.findOneBy({ id: ps.postId });
	if (post == null) {
		throw new ApiError(meta.errors.noSuchPost);
	}

	const like = await GalleryLikes.findOneBy({
		postId: post.id,
		userId: user.id,
	});

	if (like == null) {
		throw new ApiError(meta.errors.notLiked);
	}

	// Delete like
	await GalleryLikes.delete(like.id);

	GalleryPosts.decrement({ id: post.id }, "likedCount", 1);
});