import axios from 'axios';

// Cookie-based auth (Google OAuth2 session), so send credentials with each call.
const api = axios.create({ baseURL: '/api/v1', withCredentials: true });

api.interceptors.response.use(
  (r) => r,
  (err) => {
    if (err.response?.status === 401) {
      // Not signed in. Send the user to the public landing page (unless already
      // there) so they can read the features and choose to log in.
      if (window.location.pathname !== '/') window.location.href = '/';
    }
    return Promise.reject(err);
  }
);

// Top-level navigation that starts the Google flow and returns to the app.
export const LOGIN_URL = '/api/v1/auth/login?returnUrl=/app';

export const AppApi = {
  info: () => api.get('/app/info').then((r) => r.data)
};

export const AuthApi = {
  me: () => api.get('/auth/me').then((r) => r.data),
  logout: () => api.post('/auth/logout')
};

export const SyncApi = {
  status: () => api.get('/sync/status').then((r) => r.data),
  full: () => api.post('/sync/full'),
  incremental: () => api.post('/sync/incremental')
};

export const AnalyticsApi = {
  dashboard: () => api.get('/analytics/dashboard').then((r) => r.data),
  health: () => api.get('/analytics/health').then((r) => r.data),
  topSenders: (take = 20) => api.get(`/analytics/top-senders?take=${take}`).then((r) => r.data),
  volume: (days = 90) => api.get(`/analytics/volume?days=${days}`).then((r) => r.data),
  heatmap: () => api.get('/analytics/heatmap').then((r) => r.data),
  attachments: () => api.get('/analytics/attachments').then((r) => r.data)
};

export const CleanupApi = {
  preview: (req) => api.post('/cleanup/preview', req).then((r) => r.data),
  execute: (req) => api.post('/cleanup/execute', req).then((r) => r.data)
};

export const UnsubscribeApi = {
  detect: () => api.post('/unsubscribe/detect'),
  safeList: () => api.get('/unsubscribe/safe-list').then((r) => r.data),
  process: (req) => api.post('/unsubscribe/process', req).then((r) => r.data)
};

export const LayoutApi = {
  get: () => api.get('/widgetlayout').then((r) => r.data),
  save: (layout) => api.put('/widgetlayout', layout)
};

export const ExportApi = {
  reportUrl: (format) => `/api/v1/export/report?format=${format}`
};

export default api;