import { describe, expect, it } from "vitest";
import { COLLECTION_RE, pinLibraries, withEchoRuntime } from "@/lib/echo-runtime";

describe("echo runtime", () => {
  it("pins Babel standalone to v7 so JSX compiles without ES imports", () => {
    expect(pinLibraries('<script src="https://unpkg.com/@babel/standalone/babel.min.js"></script>')).toContain("unpkg.com/@babel/standalone@7/babel.min.js");
    expect(pinLibraries('<script src="https://unpkg.com/@babel/standalone"></script>')).toContain("@babel/standalone@7/babel.min.js");
  });
  it("pins lucide@latest to a UMD build", () => {
    expect(pinLibraries('<script src="https://unpkg.com/lucide@latest"></script>')).toContain("lucide@0.468.0/dist/umd/lucide.min.js");
  });
  it("injects EchoDB for the app id right after <head>", () => {
    const out = withEchoRuntime("<html><head><title>x</title></head></html>", "11111111-1111-1111-1111-111111111111", "https://echo.example/");
    expect(out.indexOf("data-echo-runtime")).toBeLessThan(out.indexOf("<title>"));
    expect(out).toContain('"11111111-1111-1111-1111-111111111111"');
    expect(out).toContain('"https://echo.example"');
  });
  it("only allows simple collection names", () => {
    expect(COLLECTION_RE.test("guestbook_messages")).toBe(true);
    expect(COLLECTION_RE.test("../secrets")).toBe(false);
  });
});