import { describe, expect, it } from "vitest";

import { resolveServiceWorkerBuildInput } from "../../scripts/lib/service-worker-build-input.ts";

const digest = (character: string) => `sha256:${character.repeat(64)}`;

describe("service worker build input", () => {
  const selection = {
    mode: "ACTIVE" as const,
    scriptPath: "service-worker.js" as const,
    handlers: ["PWA_STATIC_ASSETS" as const],
  };
  const assets = {
    schemaVersion: 1 as const,
    buildId: "build-1",
    releaseId: "release-1",
    setDigest: digest("a"),
    assets: [],
  };

  it("rejects a direct worker build when ACTIVE selection or generated inputs are absent", () => {
    expect(() =>
      resolveServiceWorkerBuildInput({
        selection: null,
        assets,
        contractSet: { setDigest: digest("b") },
        runtimeConfig: { RELEASE_MANIFEST_URL: "/release-manifest.json" },
        buildId: "build-1",
        releaseId: "release-1",
      }),
    ).toThrow(/ACTIVE/u);
    expect(() =>
      resolveServiceWorkerBuildInput({
        selection,
        assets: null,
        contractSet: { setDigest: digest("b") },
        runtimeConfig: { RELEASE_MANIFEST_URL: "/release-manifest.json" },
        buildId: "build-1",
        releaseId: "release-1",
      }),
    ).toThrow(/asset manifest/u);
  });

  it("rejects stale generated identity instead of compiling a mismatched worker", () => {
    expect(() =>
      resolveServiceWorkerBuildInput({
        selection,
        assets: { ...assets, buildId: "old-build" },
        contractSet: { setDigest: digest("b") },
        runtimeConfig: { RELEASE_MANIFEST_URL: "/release-manifest.json" },
        buildId: "build-1",
        releaseId: "release-1",
      }),
    ).toThrow(/identity/u);
  });

  it("rejects WEB_PUSH selection until its product-owned worker contribution exists", () => {
    expect(() =>
      resolveServiceWorkerBuildInput({
        selection: { ...selection, handlers: ["WEB_PUSH"] },
        assets,
        contractSet: { setDigest: digest("b") },
        runtimeConfig: { RELEASE_MANIFEST_URL: "/release-manifest.json" },
        buildId: "build-1",
        releaseId: "release-1",
      }),
    ).toThrow(/WEB_PUSH.*contribution/u);
  });

  it("returns only fully matched, digest-bearing generated inputs", () => {
    expect(
      resolveServiceWorkerBuildInput({
        selection,
        assets,
        contractSet: { setDigest: digest("b") },
        runtimeConfig: { RELEASE_MANIFEST_URL: "/release-manifest.json" },
        buildId: "build-1",
        releaseId: "release-1",
      }),
    ).toMatchObject({
      assets,
      handlers: ["PWA_STATIC_ASSETS"],
      contractSetDigest: digest("b"),
      releaseManifestUrl: "/release-manifest.json",
    });
  });
});