// Każda funkcja = jedno zapytanie (łatwy prefetch i równoległość)
export const api = {
  snapshot: (node) => fetch(`/api/info?node=${encodeURIComponent(node||'')}`).then(r=>r.json()),

  // lżejsze mikro-endpointy:
  clusterBrief: () => fetch('/api/cluster').then(r=>r.json()),
  nodesSummary: () => fetch('/api/nodes/summary').then(r=>r.json()),
  units: (node) => fetch(`/api/units?node=${encodeURIComponent(node||'')}`).then(r=>r.json()),
  replicationAll: () => fetch('/api/replication/all').then(r=>r.json()),

  vmDetail: (sid) => fetch('/api/vm?sid=' + encodeURIComponent(sid)).then(r=>r.json()),
  nodeDetail: (name) => fetch('/api/node?name=' + encodeURIComponent(name)).then(r=>r.json()),
  listNonHA: () => fetch('/api/list-vmct').then(r=>r.json()),
  listAllVmct: () => fetch('/api/list-all-vmct').then(r=>r.json()),

  action: (act, node) => fetch('/api/'+act, {method:'POST', headers:{'Content-Type':'application/json'}, body:JSON.stringify({node})}).then(r=>r.json()),
  vmAction: (sid, action, target) => {
    const body = { sid, action }; if (target) body.target = target;
    return fetch('/api/vm-action', { method:'POST', headers:{'Content-Type':'application/json'}, body: JSON.stringify(body)}).then(r=>r.json());
  },
  taskStatus: (upid, node) => fetch(`/api/task-status?upid=${encodeURIComponent(upid)}&node=${encodeURIComponent(node)}`).then(r=>r.json()),
  taskLog: (upid, node, start=0) => fetch(`/api/task-log?upid=${encodeURIComponent(upid)}&node=${encodeURIComponent(node)}&start=${start}`).then(r=>r.json())
};