import { describe, expect, it } from "vitest";
import { buildFrontmatter, buildNoteContextPack, NOTELETT_CONTEXT_VERSION } from "@/lib/context-pack";
import type { NoteDetail } from "@/lib/types";

const sampleNote: NoteDetail = {
  id: "n1",
  workspaceId: "w1",
  title: "Hello",
  excerpt: "Hi",
  status: "active",
  tags: ["a", "b"],
  updatedAt: "2026-03-31T00:00:00.000Z",
  updatedBy: "u1",
  body: "<p>Body <strong>text</strong></p>",
  metadata: { owner: "u1", source: "manual", reviewState: "none", taskCount: 0, artifactCount: 0 },
  linkedNotes: [{ id: "n2", title: "Other", relationship: "see_also" }],
  tasks: [{ id: "t1", title: "Do thing", status: "todo", source: "manual" }],
  artifacts: [],
  timeline: [],
};

describe("context-pack", () => {
  it("builds stable frontmatter", () => {
    const fm = buildFrontmatter("ws-1", "2026-03-31T12:00:00.000Z");
    expect(fm).toContain(`notelett_version: "${NOTELETT_CONTEXT_VERSION}"`);
    expect(fm).toContain('workspace_id: "ws-1"');
    expect(fm).toContain("exported_at:");
  });

  it("includes title, stripped body, links, and tasks", () => {
    const pack = buildNoteContextPack(sampleNote, { workspaceId: "w1", exportedAt: "2026-03-31T12:00:00.000Z" });
    expect(pack).toContain("# Hello");
    expect(pack).toContain("Body text");
    expect(pack).toContain("Linked notes");
    expect(pack).toContain("/notes/n2");
    expect(pack).toContain("Do thing");
  });
});