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

import { createRuntimeAdapters } from "../../../src/bootstrap/runtime-adapters.ts";
import { createRuntimeIdentityRegistry } from "../../../src/contracts/query-keys.ts";
import { bindQuery } from "../../../src/contracts/server-state.ts";
import type { CacheScopeSnapshot } from "../../../src/contracts/server-state-scope.ts";
import {
  REFERENCE_FEATURE_ID,
  REFERENCE_RESOURCE_INVALIDATION_TOPIC,
} from "../../../src/features/reference-feature/contracts/reference-feature-contract.ts";

type Runtime = Parameters<typeof createRuntimeAdapters>[0]["runtime"];
type Release = Parameters<typeof createRuntimeAdapters>[0]["release"];

const runtime: Runtime = {
  config: {
    APP_ENV: "local",
    API_BASE_URL: "http://localhost:8080",
    TELEMETRY_ENABLED: false,
    AUTH_MODE: "demo",
    REQUEST_TIMEOUT_MS: 4321,
    MAX_RETRY_ATTEMPTS: 0,
    RELEASE_MANIFEST_URL: "/release-manifest.json",
    CONFIG_SCHEMA_VERSION: "2.0",
    CAPABILITY_OVERRIDES: {
      REALTIME: "DEFAULT",
      WEB_WORKER: "DEFAULT",
      SERVICE_WORKER: "DEFAULT",
      OFFLINE_COMMANDS: "DEFAULT",
    },
    FEATURE_OVERRIDES: {},
  },
  configSchema: "V2",
  build: {
    buildId: "build-a",
    commitSha: "abc123",
    routerBasePath: "/",
    runtimeConfigUrl: "/config.json",
  },
  validationDurationMs: 0,
};

const release: Release = {
  schemaVersion: 2,
  appVersion: "0.1.0",
  buildId: "build-a",
  commitSha: "abc123",
  configSchemaVersion: "2.0",
  contractSet: {
    setAlgorithm: "CA_CONTRACT_SET_V1",
    setDigest: `sha256:${"0".repeat(64)}`,
    packages: [],
  },
  assetManifestHash: "hash-a",
  releaseId: "release-a",
  builtAt: "2026-07-25T00:00:00Z",
  routeChunks: { "route-home": "assets/home.js" },
};

function referenceBoundQueryKey() {
  const scope: CacheScopeSnapshot = {
    generation: 1,
    fingerprint: "runtime-scope-fingerprint-0001",
    identities: createRuntimeIdentityRegistry({
      tokenFactory: () => "runtime-identity-token-0001",
    }),
    signal: new AbortController().signal,
    isCurrent: () => true,
  };
  return bindQuery(
    {
      definitionId: "reference-resource-runtime-test-v1",
      definitionVersion: 1,
      owner: REFERENCE_FEATURE_ID,
      namespace: "reference-resource",
      namespaceVersion: 1,
      operationId: "GET_REFERENCE_RESOURCE",
      profileId: "DETAIL_STANDARD",
      measureResult: () => ({ itemCount: 1, estimatedBytes: 8 }),
      execute: async () => ({ ok: true as const, value: "reference-1" }),
    },
    "reference-1",
    scope,
  ).queryKey;
}

/**
 * The installed feature inputs are partial by design: a feature the product
 * manifest did not select supplies none. This suite is about the reference
 * feature being composed, so it asserts that first and narrows once.
 */
function referenceInput<
  Inputs extends Readonly<Partial<Record<typeof REFERENCE_FEATURE_ID, unknown>>>,
>(adapters: Readonly<{ featureInputs: Inputs }>) {
  const input = adapters.featureInputs[REFERENCE_FEATURE_ID];
  if (!input) {
    throw new Error(
      `${REFERENCE_FEATURE_ID} is not installed; the manifest did not select it`,
    );
  }
  return input as NonNullable<Inputs[typeof REFERENCE_FEATURE_ID]>;
}

describe("reference feature runtime composition", () => {
  it("invalidates a real bound query through the installed production graph", async () => {
    const adapters = await createRuntimeAdapters({ runtime, release, host: {} });
    const queryKey = referenceBoundQueryKey();
    adapters.infrastructure.queryClient.setQueryData(queryKey, {
      resourceId: "reference-1",
    });

    await adapters.infrastructure.queryInvalidation.invalidate([
      REFERENCE_RESOURCE_INVALIDATION_TOPIC,
    ]);

    expect(
      adapters.infrastructure.queryClient.getQueryState(queryKey)?.isInvalidated,
    ).toBe(true);
    adapters.infrastructure.dispose();
  });

  it("executes installed feature HTTP through the composed contract registry", async () => {
    const fetcher = vi.fn(async () =>
      Response.json([{ id: "reference-1", name: "Direct contract payload" }]),
    );
    const adapters = await createRuntimeAdapters({
      runtime,
      release,
      host: {},
      fetcher,
    });
    await adapters.outputPorts.session.beginSignIn();
    await vi.waitFor(() =>
      expect(adapters.infrastructure.serverStateScope.getPhase()).toBe("READY"),
    );

    await expect(
      referenceInput(adapters).listResources({ limit: 20 }),
    ).resolves.toEqual({
      ok: true,
      value: [
        {
          resourceId: "reference-1",
          title: "Direct contract payload",
          createdAt: null,
        },
      ],
    });
    expect(fetcher).toHaveBeenCalledWith(
      "http://localhost:8080/api/reference-resources?limit=20",
      expect.objectContaining({
        method: "GET",
        redirect: "error",
        cache: "no-store",
      }),
    );
    adapters.infrastructure.dispose();
  });

  it("keeps private command intent identity out of URLs and diagnostics", async () => {
    const requests: Array<Readonly<{ url: string; headers: Headers }>> = [];
    const fetcher = vi.fn(async (input: RequestInfo | URL, init?: RequestInit) => {
      requests.push({
        url: String(input),
        headers: new Headers(init?.headers),
      });
      return Response.json(
        { id: "resource-1", name: "Created resource" },
        { status: 201 },
      );
    });
    const adapters = await createRuntimeAdapters({
      runtime,
      release,
      host: {},
      fetcher,
    });
    await adapters.outputPorts.session.beginSignIn();
    await vi.waitFor(() =>
      expect(adapters.infrastructure.serverStateScope.getPhase()).toBe("READY"),
    );
    const intent = Object.freeze({
      intentId: "private-intent-id",
      operationId: "CREATE_REFERENCE_RESOURCE",
      canonicalInputIdentity: "private-canonical-input",
      idempotencyKey: "private-idempotency-key",
      createdAtMonotonicMs: 42,
    });

    await expect(
      referenceInput(adapters).createResource(
        { name: "Created resource" },
        { intent },
      ),
    ).resolves.toMatchObject({ ok: true });

    expect(requests).toHaveLength(1);
    expect(requests[0]?.headers.get("Idempotency-Key")).toBe(
      "private-idempotency-key",
    );
    expect(requests[0]?.url).toBe(
      "http://localhost:8080/api/reference-resources",
    );
    const safeEvidence = JSON.stringify({
      requests: requests.map((request) => request.url),
      diagnostics: adapters.outputPorts.diagnostics.entries(),
    });
    expect(safeEvidence).not.toContain("private-intent-id");
    expect(safeEvidence).not.toContain("private-canonical-input");
    expect(safeEvidence).not.toContain("private-idempotency-key");
    adapters.infrastructure.dispose();
  });
});