import { fetchJson } from '../../auth/api-client';
import type {
  SchedulingResponse,
  NotifyRequest,
  NotifyBatchRequest,
  NotifyBatchResult,
  NotificationRecord,
  NotificationStatus,
  UpdateNotificationRequest,
} from './types';

const BASE = '/api/scheduling';

export async function fetchSuggestions(targetId?: number): Promise<SchedulingResponse> {
  const params = new URLSearchParams();
  if (targetId !== undefined) params.set('targetId', String(targetId));
  const qs = params.toString();
  return fetchJson<SchedulingResponse>(`${BASE}/suggestions${qs ? `?${qs}` : ''}`);
}

export async function sendNotify(
  body: NotifyRequest,
): Promise<{ success: boolean; message: string; record?: NotificationRecord }> {
  return fetchJson(`${BASE}/notify`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify(body),
  });
}

export async function sendNotifyBatch(
  body: NotifyBatchRequest,
): Promise<{ success: boolean; message: string; result: NotifyBatchResult }> {
  return fetchJson(`${BASE}/notify/batch`, {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify(body),
  });
}

export async function fetchNotifications(
  status?: NotificationStatus,
  limit?: number,
): Promise<{ records: NotificationRecord[] }> {
  const params = new URLSearchParams();
  if (status) params.set('status', status);
  if (limit) params.set('limit', String(limit));
  const qs = params.toString();
  return fetchJson(`${BASE}/notify${qs ? `?${qs}` : ''}`);
}

export async function updateNotification(
  id: number,
  body: UpdateNotificationRequest,
): Promise<{ success: boolean; record?: NotificationRecord; message?: string }> {
  return fetchJson(`${BASE}/notify/${id}`, {
    method: 'PATCH',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify(body),
  });
}