const API_BASE = "/api";

async function apiFetch(path, options = {}) {
  const res = await fetch(`${API_BASE}${path}`, options);
  if (!res.ok) {
    const text = await res.text();
    throw new Error(`API ${res.status}: ${text}`);
  }
  return res.json();
}

const api = {
  diagrams: {
    list: () => apiFetch("/diagrams/"),
    create: (data) => apiFetch("/diagrams/", { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify(data) }),
    get: (id) => apiFetch(`/diagrams/${id}`),
    update: (id, data) => apiFetch(`/diagrams/${id}`, { method: "PATCH", headers: { "Content-Type": "application/json" }, body: JSON.stringify(data) }),
    delete: (id) => apiFetch(`/diagrams/${id}`, { method: "DELETE" }),
  },
  devices: {
    create: (data) => apiFetch("/devices/", { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify(data) }),
    update: (id, data) => apiFetch(`/devices/${id}`, { method: "PATCH", headers: { "Content-Type": "application/json" }, body: JSON.stringify(data) }),
    delete: (id) => apiFetch(`/devices/${id}`, { method: "DELETE" }),
  },
  wires: {
    create: (data) => apiFetch("/wires/", { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify(data) }),
    update: (id, data) => apiFetch(`/wires/${id}`, { method: "PATCH", headers: { "Content-Type": "application/json" }, body: JSON.stringify(data) }),
    delete: (id) => apiFetch(`/wires/${id}`, { method: "DELETE" }),
  },
  bundles: {
    listForDiagram: (diagramId) => apiFetch(`/bundles/diagram/${diagramId}`),
    create: (data)     => apiFetch("/bundles/", { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify(data) }),
    update: (id, data) => apiFetch(`/bundles/${id}`, { method: "PATCH", headers: { "Content-Type": "application/json" }, body: JSON.stringify(data) }),
    delete: (id)       => apiFetch(`/bundles/${id}`, { method: "DELETE" }),
  },
  connectors: {
    list:   ()         => apiFetch("/connectors/"),
    create: (data)     => apiFetch("/connectors/", { method: "POST", headers: { "Content-Type": "application/json" }, body: JSON.stringify(data) }),
    update: (id, data) => apiFetch(`/connectors/${id}`, { method: "PATCH", headers: { "Content-Type": "application/json" }, body: JSON.stringify(data) }),
    delete: (id)       => apiFetch(`/connectors/${id}`, { method: "DELETE" }),
  },
  octopart: {
    status: ()      => apiFetch("/octopart/status"),
    search: (q, n)  => apiFetch(`/octopart/search?q=${encodeURIComponent(q)}&limit=${n || 8}`),
  },
  export: {
    bomUrl: (id) => `${API_BASE}/export/${id}/bom/csv`,
    assemblyUrl: (id) => `${API_BASE}/export/${id}/assembly/txt`,
    jsonUrl: (id) => `${API_BASE}/export/${id}/json`,
    formboardUrl: (id) => `${API_BASE}/export/${id}/formboard`,
  },
};