export type MemosMemo = { name: string; content: string; visibility: string; createTime?: string; updateTime?: string; tags?: string[]; attachments?: unknown[]; resources?: unknown[] };
const base = (url: string) => url.replace(/\/+$/, "") + "/api/v1";
async function request(url: string, token: string, init?: RequestInit) {
  const res = await fetch(url, { ...init, headers: { Authorization: `Bearer ${token}`, "Content-Type": "application/json", ...(init?.headers || {}) }, cache: "no-store" });
  if (!res.ok) throw new Error(`Memos API ${res.status}: ${await res.text()}`); return res;
}
export async function verifyMemos(baseUrl: string, token: string) { await request(`${base(baseUrl)}/memos?pageSize=1`, token); }
export async function getMemosIdentity(baseUrl: string, token: string) {
  const user = await (await request(`${base(baseUrl)}/auth/status`, token, { method: "POST", body: "{}" })).json() as { name: string; username?: string };
  if (!user.name) throw new Error("Memos did not return an account identity");
  return user;
}
export async function listMemos(baseUrl: string, token: string) {
  const all: MemosMemo[] = []; let pageToken = "";
  do { const res = await request(`${base(baseUrl)}/memos?pageSize=100${pageToken ? `&pageToken=${encodeURIComponent(pageToken)}` : ""}`, token); const data = await res.json(); all.push(...(data.memos || [])); pageToken = data.nextPageToken || ""; } while (pageToken);
  return all.filter((memo) => memo.visibility === "PUBLIC");
}
export async function createMemo(baseUrl: string, token: string, memo: Pick<MemosMemo, "content" | "visibility"> & { attachments?: unknown[]; resources?: unknown[] }) {
  return (await request(`${base(baseUrl)}/memos`, token, { method: "POST", body: JSON.stringify({ state: "NORMAL", ...memo }) })).json() as Promise<MemosMemo>;
}
export async function createAttachment(baseUrl: string, token: string, attachment: { filename: string; content: string; type: string }) {
  return (await request(`${base(baseUrl)}/attachments`, token, { method: "POST", body: JSON.stringify(attachment) })).json() as Promise<{ name: string; filename: string; type: string }>;
}
export async function setMemoAttachments(baseUrl: string, token: string, memoName: string, attachments: unknown[]) {
  const memoId = memoName.split("/").at(-1);
  if (!memoId) throw new Error("Invalid Memos memo name");
  await request(`${base(baseUrl)}/memos/${encodeURIComponent(memoId)}/attachments`, token, { method: "PATCH", body: JSON.stringify({ name: memoName, attachments }) });
}
export async function createResource(baseUrl: string, token: string, resource: { filename: string; content: string; type: string; size: string }) {
  return (await request(`${base(baseUrl)}/resources`, token, { method: "POST", body: JSON.stringify(resource) })).json() as Promise<{ name: string; filename: string; type: string; size: string }>;
}
export async function createRemoteFile(baseUrl: string, token: string, file: { filename: string; content: string; type: string; size: string }) {
  try { return { kind: "attachment" as const, value: await createAttachment(baseUrl, token, file) }; }
  catch (error) {
    if (!(error instanceof Error) || !error.message.startsWith("Memos API 404")) throw error;
    return { kind: "resource" as const, value: await createResource(baseUrl, token, file) };
  }
}