دستیار آموزشگاه

const BASE = "https://api.daneshyar.info/api/v1";
const KEY = process.env.DANESHYAR_API_KEY;

/**
 * One workspace per course. A student of Biology 101 never gets an answer
 * from Chemistry 201's notes, because retrieval cannot cross a workspace.
 */
const COURSES = {
  "biology-101": "8f14e45f-ceea-467a-9f4c-1a2b3c4d5e6f",
  "chemistry-201": "1d4c7b90-3e58-4a21-bf06-9c2e5d8a7f43",
};

/**
 * Keep each lesson's resource ids in your own config. Pass them as
 * resource_ids to answer from this week's lesson only.
 */
const LESSONS = {
  "biology-101": {
    "week-3": ["3c9a1b77-0d24-4e8b-b0f1-7a5e9c2d4b81"],
  },
};

/** Called from your own /tutor/ask route, which holds the key. */
export async function askTutor({ studentId, course, lesson, question, sessionId }) {
  const workspaceId = COURSES[course];
  if (!workspaceId) throw new Error(`Unknown course: ${course}`);

  const res = await fetch(`${BASE}/workspaces/${workspaceId}/chat/`, {
    method: "POST",
    headers: { "X-API-Key": KEY, "Content-Type": "application/json" },
    body: JSON.stringify({
      // Your student id, so each student keeps their own history.
      external_user_id: studentId,
      session_id: sessionId,
      message: question,
      // Leave it out to search the whole course.
      resource_ids: LESSONS[course]?.[lesson],
    }),
  });

  if (!res.ok) {
    const body = await res.json().catch(() => ({}));
    throw new Error(body.message ?? body.detail ?? `HTTP ${res.status}`);
  }

  const { data } = await res.json();
  const reply = data.assistant_message;

  return {
    sessionId: data.session.id,
    answer: reply.content,
    // Show the student which lesson file the answer came from.
    sources: [
      ...new Map(
        reply.citations.map((c) => [c.resource_id, c.resource_title]),
      ),
    ].map(([id, title]) => ({ id, title })),
  };
}