import { getNoteApiBaseURL } from "@/core/config";
import { OptType, writeYLog } from "@/core/log/y-log";

import {
  ensureNoteAuth,
  getNoteAuthorizationHeader,
  getStoredNoteAuth,
} from "./auth";

export type { NoteAuth } from "./auth";

export interface SearchSpace {
  created_at: string;
  id: number;
  name: string;
  description: string;
  user_id: string;
  citations_enabled: boolean;
  qna_custom_instructions: string;
  summary: string | null;
  avatar_url: string | null;
  sources_limit: number;
  sources_used: number;
  is_shared: boolean;
  is_owner: boolean;
  owner_email: string | null;
  member_count?: number;
  source_count?: number;
  membership_role?: string;
}

export interface ListSearchSpacesQuery {
  owned_only?: boolean;
  limit?: number;
  order_by?: string;
}

export interface CreateSearchSpaceInput {
  name: string;
  description?: string;
  citations_enabled?: boolean;
}

export async function noteApiFetch(
  path: string,
  init: RequestInit = {},
): Promise<Response> {
  const auth = getStoredNoteAuth() ?? (await ensureNoteAuth());

  const headers = new Headers(init.headers);
  headers.set("Authorization", getNoteAuthorizationHeader(auth));

  return fetch(`${getNoteApiBaseURL()}${path}`, {
    ...init,
    headers,
  });
}

export async function createSearchSpace(
  input: CreateSearchSpaceInput,
): Promise<SearchSpace> {
  await ensureNoteAuth();

  const response = await noteApiFetch("/api/v1/searchspaces", {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
    },
    body: JSON.stringify({
      name: input.name,
      description: input.description ?? "",
      citations_enabled: input.citations_enabled ?? true,
    }),
  });

  if (!response.ok) {
    throw new Error(`创建笔记失败: ${response.status} ${response.statusText}`);
  }

  const result = (await response.json()) as SearchSpace;
  writeYLog({
    optType: OptType.create,
    optDetail: "CM助手-全量-笔记-新建笔记空间",
    url: "/api/v1/searchspaces",
    reqParam: { name: input.name, description: input.description ?? "" },
    returnParam: { id: result.id, name: result.name },
  });
  return result;
}

export async function listSearchSpaces(
  query: ListSearchSpacesQuery = {},
): Promise<SearchSpace[]> {
  await ensureNoteAuth();

  const params = new URLSearchParams({
    owned_only: String(query.owned_only ?? true),
    limit: String(query.limit ?? 1000),
    order_by: query.order_by ?? "created_at",
  });

  const path = `/api/v1/searchspaces?${params.toString()}`;
  const response = await noteApiFetch(path, { method: "GET" });

  if (!response.ok) {
    throw new Error(`获取笔记列表失败: ${response.status} ${response.statusText}`);
  }

  const data: unknown = await response.json();
  const list = Array.isArray(data) ? (data as SearchSpace[]) : [];
  writeYLog({
    optType: OptType.search,
    optDetail: "CM助手-全量-笔记-查询笔记空间列表",
    url: path,
    reqParam: query,
    returnParam: { count: list.length },
  });
  return list;
}