1const BASE = '/api';
  2
  3export interface User {
  4	id: number;
  5	username: string;
  6	is_admin: boolean;
  7	created_at: string;
  8	updated_at: string;
  9}
 10
 11export interface Image {
 12	id: number;
 13	filename: string;
 14	storage_path: string;
 15	thumbnail_path: string | null;
 16	uploaded_by: number;
 17	uploader_username: string;
 18	avatar_url: string;
 19	file_size: number;
 20	width: number;
 21	height: number;
 22	mime_type: string;
 23	created_at: string;
 24	updated_at: string;
 25	tags: string[];
 26}
 27
 28export interface ImageList {
 29	images: Image[];
 30	total: number;
 31}
 32
 33export interface Tag {
 34	tag: string;
 35	usage_count: number;
 36}
 37
 38export interface TagDetail {
 39	tag: string;
 40	usage_count: number;
 41}
 42
 43export interface ImageDetail extends Image {
 44	tags_detail: TagDetail[];
 45}
 46
 47export interface ApiError {
 48	error: string;
 49}
 50
 51async function request<T>(path: string, opts: RequestInit = {}): Promise<T> {
 52	const res = await fetch(BASE + path, {
 53		credentials: 'include',
 54		headers: opts.body instanceof FormData ? {} : { 'Content-Type': 'application/json' },
 55		...opts,
 56	});
 57	if (!res.ok) {
 58		const body = await res.json().catch(() => ({ error: res.statusText }));
 59		throw new Error((body as ApiError).error || `HTTP ${res.status}`);
 60	}
 61	return res.json();
 62}
 63
 64export async function login(username: string, password: string): Promise<User> {
 65	return request<User>('/auth/login', {
 66		method: 'POST',
 67		body: JSON.stringify({ username, password }),
 68	});
 69}
 70
 71export async function register(username: string, password: string): Promise<User> {
 72	return request<User>('/auth/register', {
 73		method: 'POST',
 74		body: JSON.stringify({ username, password }),
 75	});
 76}
 77
 78export async function logout(): Promise<void> {
 79	await request('/auth/logout', { method: 'POST' });
 80}
 81
 82export async function listImages(tags: string[] = [], page = 1, perPage = 50): Promise<ImageList> {
 83	const params = new URLSearchParams();
 84	params.set('page', String(page));
 85	params.set('per_page', String(perPage));
 86	for (const t of tags) {
 87		params.append('tags', t);
 88	}
 89	return request<ImageList>(`/images?${params}`);
 90}
 91
 92export async function getImage(id: number): Promise<ImageDetail> {
 93	return request<ImageDetail>(`/images/${id}`);
 94}
 95
 96export function imageDownloadUrl(id: number): string {
 97	return `${BASE}/images/${id}/download`;
 98}
 99
100export function thumbnailUrl(id: number): string {
101	return `${BASE}/images/${id}/thumbnail`;
102}
103
104export async function uploadImage(file: File, tags: string[]): Promise<Image> {
105	const fd = new FormData();
106	fd.append('file', file);
107	for (const t of tags) {
108		fd.append('tags', t);
109	}
110	return request<Image>('/upload', { method: 'POST', body: fd });
111}
112
113export async function suggestTags(query: string): Promise<Tag[]> {
114	return request<Tag[]>(`/tags/suggest?q=${encodeURIComponent(query)}`);
115}
116
117export async function uploadAvatar(file: File): Promise<{ avatar_url: string }> {
118	const fd = new FormData();
119	fd.append('avatar', file);
120	return request<{ avatar_url: string }>('/users/me/avatar', { method: 'POST', body: fd });
121}