// @vitest-environment jsdom

import assert from "node:assert/strict";
import { renderHook } from "@testing-library/react";
import type { ReactNode } from "react";
import { test } from "vitest";

import type { StudioAssetGateway } from "../../../src/features/tech-log/application/ports/studio-asset-gateway.ts";
import {
  StudioContext,
  useStudioAssetGateway,
  type StudioContextValue,
} from "../../../src/features/tech-log/presentation/studio/use-studio.ts";

/**
 * I3 (Task 7 fix round 1). `StudioContextValue.assetGateway` stays nullable
 * so the many test harnesses that render `StudioProvider` without a
 * `createAssetGateway` prop keep compiling — but that nullability would let
 * Asset UI (Task 11) write `if (!assetGateway) return null` and ship a
 * confusingly empty screen with the type checker satisfied. This pins the
 * throwing accessor Asset UI must use instead.
 */
function contextValue(
  assetGateway: StudioAssetGateway | null,
): StudioContextValue {
  return {
    gateway: {} as never,
    assetGateway,
    // 이 테스트는 Asset 접근자만 고정한다 — 관리 게이트웨이는 쓰이지 않으므로 자리만 채운다.
    managementGateway: {} as never,
    resolvePublishedLabel: () => undefined,
    now: () => new Date("2026-08-14T01:00:00.000Z"),
    editor: null,
    requestAnnouncement: "",
    setRequestAnnouncement: () => {},
    navigateInternal: () => {},
    beginEditor: () => {},
    updateEditorDraft: () => {},
    setEditorStatus: () => {},
    clearEditor: () => {},
  };
}

function wrapperFor(assetGateway: StudioAssetGateway | null) {
  return function Wrapper({ children }: { children: ReactNode }) {
    return (
      <StudioContext.Provider value={contextValue(assetGateway)}>
        {children}
      </StudioContext.Provider>
    );
  };
}

test("returns the asset gateway when the provider supplied one", () => {
  const assetGateway = {} as StudioAssetGateway;
  const { result } = renderHook(() => useStudioAssetGateway(), {
    wrapper: wrapperFor(assetGateway),
  });
  assert.equal(result.current, assetGateway);
});

test("throws a clear error instead of returning null when no asset gateway was supplied", () => {
  assert.throws(
    () => renderHook(() => useStudioAssetGateway(), { wrapper: wrapperFor(null) }),
    /useStudioAssetGateway must be used within a StudioProvider that was given a createAssetGateway prop/,
  );
});