import axios from 'axios';
import type {
  WorkGroup, UserItem, UserDetail, ActivityItem, Participant,
  HoursActivityResult, ExportResult,
} from '../types';

const api = axios.create({
  baseURL: '/api',
  timeout: 15000,
});

api.interceptors.request.use((config) => {
  const token = localStorage.getItem('volunteer_admin_token');
  if (token) {
    config.headers.Authorization = `Bearer ${token}`;
  }
  return config;
});

api.interceptors.response.use(
  (res) => res,
  (err) => {
    if (err.response?.status === 401) {
      localStorage.removeItem('volunteer_admin_token');
      localStorage.removeItem('volunteer_admin_username');
      if (!window.location.pathname.startsWith('/admin/login')) {
        window.location.href = '/admin/login';
      }
    }
    return Promise.reject(err);
  }
);

export const errMsg = (e: any, def = '操作失败'): string => {
  return e?.response?.data?.error || e?.message || def;
};

export default api;

export const authApi = {
  login: (username: string, password: string) =>
    api.post<{ token: string; username: string }>('/auth/login', { username, password }).then(r => r.data),
  changePassword: (oldPassword: string, newPassword: string) =>
    api.post('/auth/change-password', { oldPassword, newPassword }).then(r => r.data),
};

export const groupsApi = {
  list: () => api.get<WorkGroup[]>('/groups').then(r => r.data),
  create: (name: string) => api.post<WorkGroup>('/groups', { name }).then(r => r.data),
  update: (id: number, name: string) => api.put(`/groups/${id}`, { name }).then(r => r.data),
  remove: (id: number) => api.delete(`/groups/${id}`).then(r => r.data),
};

export const usersApi = {
  list: () => api.get<UserItem[]>('/users').then(r => r.data),
  search: (name: string) => api.get<UserItem[]>('/users/search', { params: { name } }).then(r => r.data),
  detail: (id: number) => api.get<UserDetail>(`/users/${id}`).then(r => r.data),
  create: (data: Partial<UserItem>) => api.post('/users', data).then(r => r.data),
  update: (id: number, data: Partial<UserItem>) => api.put(`/users/${id}`, data).then(r => r.data),
  remove: (id: number) => api.delete(`/users/${id}`).then(r => r.data),
};

export const activitiesApi = {
  list: () => api.get<ActivityItem[]>('/activities').then(r => r.data),
  detail: (id: number) => api.get<ActivityItem>(`/activities/${id}`).then(r => r.data),
  create: (data: any) => api.post('/activities', data).then(r => r.data),
  update: (id: number, data: any) => api.put(`/activities/${id}`, data).then(r => r.data),
  remove: (id: number) => api.delete(`/activities/${id}`).then(r => r.data),
  participants: (id: number) => api.get<{ activity: ActivityItem; list: Participant[] }>(`/activities/${id}/participants`).then(r => r.data),
};

export const hoursApi = {
  batch: (activity_id: number, items: Array<{ user_id: number; hours: number; remark: string }>) =>
    api.post('/hours/batch', { activity_id, items }).then(r => r.data),
  byActivity: (id: number) => api.get<HoursActivityResult>(`/hours/activity/${id}`).then(r => r.data),
};

export const exportApi = {
  data: (opts: {
    include_users?: boolean;
    include_activities?: boolean;
    include_hours?: boolean;
    include_user_totals?: boolean;
    include_user_activities?: boolean;
  }) => api.post<ExportResult>('/export', opts).then(r => r.data),
};