// "Let Daisy handle it" on quick add: tell Daisy's routine about the new task.
// Configured in /etc/personal-website/prod.env:
//   DAISY_TASK_WEBHOOK_URL     where to POST {task_id, title}
//   DAISY_TASK_WEBHOOK_KEY     secret sent with it
//   DAISY_TASK_WEBHOOK_HEADER  header name (default Authorization, sent as "Bearer <key>";
//                              any other header gets the bare key)
// Unset URL or key: nothing is sent and the task is still saved.

export type DaisyHookConfig = { url: string; headers: Record<string, string> };

export function daisyHookConfig(env: Record<string, string | undefined> = process.env) {
	const url = env.DAISY_TASK_WEBHOOK_URL?.trim();
	const key = env.DAISY_TASK_WEBHOOK_KEY?.trim();
	if (!url || !key) return null;
	const header = env.DAISY_TASK_WEBHOOK_HEADER?.trim() || 'Authorization';
	const value = header.toLowerCase() === 'authorization' ? `Bearer ${key}` : key;
	return { url, headers: { 'content-type': 'application/json', [header]: value } };
}

/** Fire and forget: never awaited by the request, 3 s timeout, failures only logged. */
export function notifyDaisy(
	task: { id: number; title: string },
	config: DaisyHookConfig | null = daisyHookConfig(),
	fetcher: typeof fetch = fetch
): 'sent' | 'not-configured' {
	if (!config) return 'not-configured';
	fetcher(config.url, {
		method: 'POST',
		headers: config.headers,
		body: JSON.stringify({ task_id: task.id, title: task.title }),
		signal: AbortSignal.timeout(3000)
	})
		.then((res) => {
			if (!res.ok) console.error(`[daisy-hook] task ${task.id}: HTTP ${res.status}`);
		})
		.catch((err) => console.error(`[daisy-hook] task ${task.id}: ${String(err)}`));
	return 'sent';
}