"use client";

import type { Envelope } from "./types";

/** Browser-side API calls — always same-origin `/v1` (rewritten in dev, served by the edge in production). */
export async function clientApi<T>(path: string, init?: RequestInit & { adminToken?: string }): Promise<T> {
  const headers: Record<string, string> = { accept: "application/json", ...((init?.headers as Record<string, string>) ?? {}) };
  if (init?.adminToken) headers["x-ma-admin-token"] = init.adminToken;
  if (init?.body && !headers["content-type"]) headers["content-type"] = "application/json";
  const res = await fetch(path, { ...init, headers });
  const body = (await res.json().catch(() => null)) as (Envelope<T> & { error?: { code: string; message: string } }) | null;
  if (!res.ok) throw new Error(body?.error?.message ?? `HTTP ${res.status}`);
  return (body as Envelope<T>).data;
}