import { randomUUID } from 'crypto';

const pending = new Map();

function ts() {
	return new Date().toLocaleTimeString();
}

export function enqueue(action, params, submitted_by) {
	const id = randomUUID();
	const entry = {
		id,
		action,
		params,
		submitted_by,
		status: 'pending',
		created_at: new Date().toISOString(),
	};
	pending.set(id, entry);
	console.log(`[${ts()}] [QUEUE] ${submitted_by} requested '${action}' (${id.slice(0, 8)}) — params: ${JSON.stringify(params)}`);
	return id;
}

export function get_entry(id) {
	return pending.get(id) ?? null;
}

export function list_pending() {
	return [...pending.values()].filter((e) => e.status === 'pending');
}

export function resolve(id, decision) {
	const entry = pending.get(id);
	if (!entry) {
		return null;
	}
	entry.status = decision; // 'approved' | 'denied'
	entry.resolved_at = new Date().toISOString();
	console.log(`[${ts()}] [QUEUE] ${id.slice(0, 8)} ${decision} by ${entry.resolved_by ?? 'unknown'}`);
	return entry;
}