// SPDX-License-Identifier: LicenseRef-ConusAI-Template-1.0
import { afterEach, expect, it, vi } from "vitest"

afterEach(() => {
  vi.unstubAllEnvs()
  vi.resetModules()
})

/** The build's real configuration, evaluated with this environment. */
const viteConfig = async () => {
  vi.resetModules()
  const { default: config } = await import("../apps/web/vite.config")
  return config as {
    base?: string
    envPrefix?: unknown
    define?: unknown
    build?: { assetsDir?: string; outDir?: string }
  }
}

it("keeps compiled chunk URLs stable when the platform injects a deployment asset prefix", async () => {
  // Compose serves the image's assets itself. Vite writes its chunk URLs into the build, so a base read at
  // startup would leave the browser waiting for chunks under a name nothing serves: one image, every
  // environment, and no `base` in the build at all.
  vi.stubEnv("CONUSAI_ASSET_PREFIX", "/_conusai/assets/app-42")
  const config = await viteConfig()
  expect(config.base ?? "").toBe("")
})

it("writes the build where server.mjs serves it from, under the folder RESERVED_SLUGS keeps from organizations", async () => {
  const config = await viteConfig()
  expect(config.build?.outDir).toBe("dist")
  // Vite's default; test/reserved-routes.test.ts reserves `assets` because of it.
  expect(config.build?.assetsDir ?? "assets").toBe("assets")
})

it("hands the browser's bundle no variable: Vite's `VITE_` prefix stays the only way in, and nothing uses it", async () => {
  // A wider `envPrefix` or a `define` is how a server variable would reach a chunk (spec §6.4: the server
  // writes what the browser needs into the page, and there is no build-time public value).
  const config = await viteConfig()
  expect(config.envPrefix).toBeUndefined()
  expect(config.define).toBeUndefined()
})