// @vitest-environment node
import { readFile } from "node:fs/promises";
import path from "node:path";
import { fileURLToPath } from "node:url";
import { describe, expect, it } from "vitest";
import { dashboardHostAssetUrls } from "../src/dashboard-assets.js";

const packageDirectory = path.dirname(path.dirname(fileURLToPath(import.meta.url)));

describe("Dashboard host asset locator", () => {
  it("exports only frozen immutable href strings for the two exact built files, never the source map", () => {
    expect(Object.isFrozen(dashboardHostAssetUrls)).toBe(true);
    expect(dashboardHostAssetUrls).toEqual({
      html: new URL("dist/browser/index.html", `file://${packageDirectory}/`).href,
      script: new URL(
        "dist/browser/assets/ekklesia-dashboard/app.js",
        `file://${packageDirectory}/`,
      ).href,
    });
    expect(JSON.stringify(dashboardHostAssetUrls)).not.toContain(".map");
  });

  it("publishes the locator through a narrow package subpath, not the shell root barrel", async () => {
    const manifest = JSON.parse(
      await readFile(path.join(packageDirectory, "package.json"), "utf8"),
    ) as { exports?: Record<string, unknown> };
    expect(manifest.exports?.["./dashboard-assets"]).toEqual({
      import: "./dist/dashboard-assets.js",
      types: "./dist/dashboard-assets.d.ts",
    });

    const rootSource = await readFile(path.join(packageDirectory, "src/index.ts"), "utf8");
    expect(rootSource).not.toContain("dashboardHostAssetUrls");
    expect(rootSource).not.toContain("dashboard-assets");
  });

  it("loads exactly one fixed, absolute, same-origin script and no inline script", async () => {
    const html = await readFile(path.join(packageDirectory, "index.html"), "utf8");

    expect(html).toContain('id="ekklesia-host"');
    expect(html.match(/<script\b/gu)).toHaveLength(1);
    expect(html).toContain(
      '<script src="/assets/ekklesia-dashboard/app.js" type="module"></script>',
    );
  });

  it("builds the Dashboard entry at the exact path the locator names", async () => {
    const buildScript = await readFile(
      path.join(packageDirectory, "scripts/build-browser.mjs"),
      "utf8",
    );

    expect(buildScript).toContain('"assets/ekklesia-dashboard/app": path.join(');
  });
});