"use strict";

import AIWrapper from './AIWrapper.mjs';

let ai_wrapper = new AIWrapper();

async function handle_message(event) {
	console.log(event.data);
	switch(event.data.event) {
		case "setup":
			await ai_wrapper.setup(event.data.setup_info);
			self.postMessage({
				"event": "setup-complete"
			});
			break;
		
		case "predict-row":
			let message = await ai_wrapper.predict_row(event.data.latitude);
			message.event = "result";
			self.postMessage(message);
			break;
		
		case "end":
			self.close();
			break;
		
		default:
			throw new Error(`Error: Unknown event '${event.data.event}'`);
	}
}

self.addEventListener("message", (event) => {
	handle_message(event).catch((error) => {
		console.error(error);
		throw error;
	});
});