// SPDX-License-Identifier: LicenseRef-ConusAI-Template-1.0
// The tab icon is the ConusAI mark, the file @conusai-kit/brand ships. Not a copy: the web build emits the kit's bytes
// at /favicon.png, and the document head points there.

import { existsSync, readFileSync } from "node:fs"
import { createRequire } from "node:module"
import { appBrand } from "@app/config"
import { describe, expect, it } from "vitest"

const web = new URL("../apps/web/", import.meta.url)

describe("the favicon", () => {
  it("is the path the build emits", () => {
    expect(appBrand.logo.favicon).toBe("/favicon.png")
  })

  it("is emitted from the kit's file, and the template holds no icon of its own", () => {
    const config = readFileSync(new URL("vite.config.ts", web), "utf8")
    expect(config).toContain(`"@conusai-kit/brand/logo/favicon.png"`)
    expect(existsSync(new URL("public/favicon.svg", web))).toBe(false)
  })

  it("resolves to a PNG in the kit", () => {
    const file = createRequire(new URL("package.json", web)).resolve("@conusai-kit/brand/logo/favicon.png")
    expect(readFileSync(file).subarray(1, 4).toString()).toBe("PNG")
  })
})