import type { ProviderId } from "@/lib/ai/core/types";

/** Environment variable holding the OWNER key for each provider (registry sync, admin diagnostics, tests only). */
export const OWNER_KEY_ENV: Record<ProviderId, string> = {
  openai: "OPENAI_API_KEY",
  anthropic: "ANTHROPIC_API_KEY",
  gemini: "GOOGLE_GEMINI_API_KEY",
  xai: "XAI_API_KEY",
  mistral: "MISTRAL_API_KEY",
  deepseek: "DEEPSEEK_API_KEY",
  kimi: "KIMI_API_KEY",
  openrouter: "OPENROUTER_API_KEY",
  cerebras: "CEREBRAS_API_KEY",
  // Custom endpoints are per user; there is no owner key. `ownerKey("custom")` is always undefined.
  custom: "",
};

export function ownerKey(provider: ProviderId): string | undefined {
  const name = OWNER_KEY_ENV[provider];
  if (!name) return undefined;
  const v = process.env[name];
  return v && v.trim() ? v.trim() : undefined;
}