import { describe, expect, it } from "vitest";
import { buildTeamsFileInfoCard } from "./graph-chat.js";

describe("buildTeamsFileInfoCard", () => {
  it("extracts a unique id from quoted etags and lowercases file extensions", () => {
    expect(
      buildTeamsFileInfoCard({
        eTag: '"{ABC-123},42"',
        name: "Quarterly.Report.PDF",
        webDavUrl: "https://sharepoint.example.com/file.pdf",
      }),
    ).toEqual({
      contentType: "application/vnd.microsoft.teams.card.file.info",
      contentUrl: "https://sharepoint.example.com/file.pdf",
      name: "Quarterly.Report.PDF",
      content: {
        uniqueId: "ABC-123",
        fileType: "pdf",
      },
    });
  });

  it("keeps the raw etag when no version suffix exists and handles extensionless files", () => {
    expect(
      buildTeamsFileInfoCard({
        eTag: "plain-etag",
        name: "README",
        webDavUrl: "https://sharepoint.example.com/readme",
      }),
    ).toEqual({
      contentType: "application/vnd.microsoft.teams.card.file.info",
      contentUrl: "https://sharepoint.example.com/readme",
      name: "README",
      content: {
        uniqueId: "plain-etag",
        fileType: "",
      },
    });
  });
});