// Shared presentation helpers have no feature state.
export function number(value) {
  return Number.isFinite(value) ? value.toLocaleString() : "-";
}

export function money(value) {
  const amount = Number(value || 0);
  return "$" + (Number.isFinite(amount) ? amount : 0).toFixed(4);
}

export function localDateTimeValue(value) {
  if (!value) return "";
  const date = new Date(value);
  const local = new Date(date.getTime() - date.getTimezoneOffset() * 60000);
  return local.toISOString().slice(0, 19);
}

export function isCompactEndpoint(value) {
  const path = String(value || "").replace(/^\s*(GET|POST|PUT|PATCH|DELETE)\s+/i, "").split("?", 1)[0].replace(/\/+$/, "");
  return path.endsWith("/responses/compact");
}

export function endpoint(value) {
  const path = String(value || "").replace(/^\s*(GET|POST|PUT|PATCH|DELETE)\s+/i, "");
  if (isCompactEndpoint(path)) return "compact";
  if (path.endsWith("/chat/completions")) return "chat";
  if (path.endsWith("/responses")) return "responses";
  return path.replace(/^\/v1\//, "") || "-";
}

export function result(record) {
  if (record.outcome === "canceled") return "已取消";
  if (record.outcome === "rejected") return "已拒绝";
  if (record.failed || record.outcome === "failed") return record.status_code ? `失败 (${record.status_code})` : "失败";
  return "成功";
}

export function option(value, label, selected = false) {
  const node = document.createElement("option");
  node.value = value;
  node.textContent = label;
  node.selected = selected;
  return node;
}