import { readFileSync, existsSync } from "node:fs";
import path from "node:path";
import { describe, expect, it } from "vitest";

const root = path.resolve(__dirname, "..");
const manifest = JSON.parse(readFileSync(path.join(root, "public/manifest.json"), "utf-8")) as {
  name: string;
  short_name: string;
  theme_color: string;
  icons: Array<{ src: string }>;
};
const indexHtml = readFileSync(path.join(root, "index.html"), "utf-8");

describe("PWA install metadata", () => {
  it("identifies the app as Sea Haven, not template branding", () => {
    expect(manifest.name).toContain("Sea Haven");
    expect(manifest.short_name).not.toBe("React App");
    expect(manifest.name).not.toContain("Create React App");
  });

  it("uses the design-system theme color, matching index.html", () => {
    expect(manifest.theme_color).toBe("#1c75bc");
    expect(indexHtml).toContain(`<meta name="theme-color" content="${manifest.theme_color}" />`);
  });

  it("only references icon files that exist in public/", () => {
    for (const icon of manifest.icons) {
      expect(existsSync(path.join(root, "public", icon.src)), `missing public/${icon.src}`).toBe(
        true,
      );
    }
  });
});