import { readFileSync } from "node:fs";
import { describe, expect, it } from "vitest";
import { GOOGLE_ACCESS, googleConnectUrl } from "./googleConnect";

// The frontend builds the Google connect URL by hand, so nothing but this test notices when the
// backend route moves or its `access` values change: the click would land on a 404 or a 422 page.
const AUTH = readFileSync(new URL("../../../backend/app/routes/auth.py", import.meta.url), "utf-8");

describe("the Google connect URL", () => {
  it("names the backend route", () => {
    const prefix = /APIRouter\(prefix="([^"]+)"/.exec(AUTH)?.[1];
    const path = /@router\.get\("([^"]+)"\)\nasync def google_connect\(/.exec(AUTH)?.[1];
    expect(googleConnectUrl("read").split("?")[0]).toBe(`${prefix}${path}`);
  });

  it("offers exactly the access values the backend accepts", () => {
    const literal = /access: Literal\[([^\]]+)\]/.exec(AUTH)?.[1] ?? "";
    const accepted = [...literal.matchAll(/"([^"]+)"/g)].map((m) => m[1]);
    expect(accepted).toEqual([...GOOGLE_ACCESS]);
  });
});