// Thin wrapper over the API container. Same origin in production (nginx proxies
// /api), the Vite dev server proxies it too — so no base URL, no CORS.
import type { Recipe } from '../shared/types';

export interface User {
  id: number;
  email: string;
}

export interface SavedRecipe {
  id: number;
  name: string;
  recipe: unknown;
  createdAt: string;
  updatedAt: string;
}

async function call<T>(path: string, init?: RequestInit): Promise<T> {
  const res = await fetch(`/api${path}`, {
    credentials: 'same-origin',
    headers: init?.body ? { 'content-type': 'application/json' } : undefined,
    ...init,
  });
  if (res.status === 204) return undefined as T;
  const text = await res.text();
  const body = text ? JSON.parse(text) : {};
  if (!res.ok) throw new Error(body.error ?? `HTTP ${res.status}`);
  return body as T;
}

export const api = {
  me: () => call<{ user: User }>('/auth/me'),
  signup: (email: string, password: string) =>
    call<{ user: User }>('/auth/signup', { method: 'POST', body: JSON.stringify({ email, password }) }),
  login: (email: string, password: string) =>
    call<{ user: User }>('/auth/login', { method: 'POST', body: JSON.stringify({ email, password }) }),
  logout: () => call<void>('/auth/logout', { method: 'POST' }),

  listRecipes: () => call<{ recipes: SavedRecipe[] }>('/recipes'),
  createRecipe: (name: string, recipe: Recipe) =>
    call<{ recipe: SavedRecipe }>('/recipes', { method: 'POST', body: JSON.stringify({ name, recipe }) }),
  updateRecipe: (id: number, name: string, recipe: Recipe) =>
    call<{ recipe: SavedRecipe }>(`/recipes/${id}`, { method: 'PUT', body: JSON.stringify({ name, recipe }) }),
  deleteRecipe: (id: number) => call<void>(`/recipes/${id}`, { method: 'DELETE' }),
};