import { highlightFile } from "../services/diffHighlight.ts";
import { highlightStartup, serveFile } from "../services/highlight.ts";

declare const self: {
    postMessage(message: unknown): void;
    onmessage: ((event: MessageEvent) => void) | null;
};

await highlightStartup();
self.postMessage({ type: "ready" });

self.onmessage = async (event: MessageEvent) => {
    const { id, type, ...data } = event.data;
    try {
        let result: unknown;
        if (type === "serveFile") {
            const content = Buffer.from(data.content as ArrayBuffer);
            result = await serveFile(content, data.filename, data.cacheKey);
        } else if (type === "highlightFile") {
            result = await highlightFile(data.file);
        }
        self.postMessage({ id, result });
    } catch (err) {
        self.postMessage({ id, error: String(err) });
    }
};