import { parentPort } from "node:worker_threads";
import { convertSwfToNitro, extractIconFromSwf } from "./index";

export interface ConvertRequest {
	id: number;
	type: "convert";
	buffer: Buffer;
	classname: string;
}

export interface IconRequest {
	id: number;
	type: "icon";
	buffer: Buffer;
	classname: string;
}

export type WorkerRequest = ConvertRequest | IconRequest;

export type WorkerResponse =
	| {
			id: number;
			ok: true;
			result?: import("./index").ConversionResult;
			icon?: Buffer | null;
	  }
	| { id: number; ok: false; error: string };

if (parentPort) {
	parentPort.on("message", (msg: WorkerRequest) => {
		try {
			if (msg.type === "convert") {
				const result = convertSwfToNitro(msg.buffer, msg.classname);
				parentPort?.postMessage({
					id: msg.id,
					ok: true,
					result,
				} satisfies WorkerResponse);
			} else {
				const icon = extractIconFromSwf(msg.buffer, msg.classname);
				parentPort?.postMessage({
					id: msg.id,
					ok: true,
					icon: icon ?? null,
				} satisfies WorkerResponse);
			}
		} catch (err) {
			parentPort?.postMessage({
				id: msg.id,
				ok: false,
				error: (err as Error).message,
			} satisfies WorkerResponse);
		}
	});
}