import define from "../../../define.js";
import { publishDriveStream } from "@/services/stream.js";
import { ApiError } from "../../../error.js";
import { DriveFolders, DriveFiles } from "@/models/index.js";

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

	requireCredential: true,

	kind: "write:drive",

	errors: {
		noSuchFolder: {
			message: "No such folder.",
			code: "NO_SUCH_FOLDER",
			id: "1069098f-c281-440f-b085-f9932edbe091",
		},

		hasChildFilesOrFolders: {
			message: "This folder has child files or folders.",
			code: "HAS_CHILD_FILES_OR_FOLDERS",
			id: "b0fc8a17-963c-405d-bfbc-859a487295e1",
		},
	},
} as const;

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

export default define(meta, paramDef, async (ps, user) => {
	// Get folder
	const folder = await DriveFolders.findOneBy({
		id: ps.folderId,
		userId: user.id,
	});

	if (folder == null) {
		throw new ApiError(meta.errors.noSuchFolder);
	}

	const [childFoldersCount, childFilesCount] = await Promise.all([
		DriveFolders.countBy({ parentId: folder.id }),
		DriveFiles.countBy({ folderId: folder.id }),
	]);

	if (childFoldersCount !== 0 || childFilesCount !== 0) {
		throw new ApiError(meta.errors.hasChildFilesOrFolders);
	}

	await DriveFolders.delete(folder.id);

	// Publish folderCreated event
	publishDriveStream(user.id, "folderDeleted", folder.id);
});
