import { importForRuntime } from './runtime.ts';
import { Editor } from './editor.ts';
import { getTermios } from './termios.ts';

export * from './runtime.ts';
export * from './strings.ts';
export type * from './types.ts';

const decoder = new TextDecoder();

export async function main() {
	const { inputLoop, onExit } = await importForRuntime('mod.ts');

	// Setup raw mode, and tear down on error or normal exit
	const t = await getTermios();
	t.enableRawMode();
	onExit(() => {
		console.info('Exit handler called, disabling raw mode');
		t.disableRawMode();
	});

	// Create the editor itself
	const editor = new Editor();

	// The main event loop
	for await (const chunk of inputLoop()) {
		const char = String(decoder.decode(chunk));

		// Clear the screen for output
		await editor.refreshScreen();

		// Process input
		const shouldLoop = editor.processKeyPress(char);

		if (!shouldLoop) {
			return 0;
		}
	}

	return -1;
}