/* ============================================================
   api.js — minimal HTTP client for the FastAPI backend
   ============================================================ */
window.Api = {
  base: 'http://localhost:8000',

  async get(path, params) {
    const url = new URL(path.replace(/^\//, ''), this.base.endsWith('/') ? this.base : this.base + '/');
    if (params) {
      Object.entries(params).forEach(([key, value]) => {
        if (value !== undefined && value !== null && value !== '') {
          url.searchParams.set(key, value);
        }
      });
    }
    const res = await fetch(url.toString());
    let body = null;
    try { body = await res.json(); } catch (_) { body = null; }
    if (!res.ok) {
      const detail = body && body.detail != null ? body.detail : res.statusText;
      throw new Error(typeof detail === 'string' ? detail : JSON.stringify(detail));
    }
    return body;
  }
};