// @vitest-environment node
import { describe, expect, it, vi } from 'vitest';
import { createCodingPluginMarketplaceService } from '../../electron/api/coding-product-services';
import type { MarketplaceLibrarySnapshot } from '../../electron/coding-plugins/account-plugin-cache';

const pluginId = 'makelore.child-friendly-replies';
function fixture() {
  let binding = { accountKey: 'a'.repeat(64), epoch: 1 };
  let library: MarketplaceLibrarySnapshot = { items: [], total: 0, stale: false, fetchedAt: 1 };
  let installed: object | null = null;
  const entry = {
    pluginId, title: '对孩子说清楚', summary: '简明表达', category: 'communication',
    acquisition: 'free' as const, acquisitionMode: 'user_acquired' as const,
    catalogStatus: 'active' as const, runtimeStatus: 'enabled' as const,
    acquiredAt: '2026-09-28T00:00:00Z', removedAt: null, stableVersion: '1.0.0', betaVersion: null,
  };
  const marketplace = {
    getCurrentAccountBinding: () => binding,
    readLibrary: vi.fn(async () => library),
    readDetail: vi.fn(async () => ({
      pluginId, acquisition: 'free', runtimeStatus: 'enabled', stale: false,
      stableRelease: { deliveryKind: 'artifact', signingKeyId: 'platform', descriptorSignature: 'signed',
        minMakeloreVersion: '2.0.0', maxMakeloreVersion: null },
    })),
    acquire: vi.fn(async () => (library = { ...library, items: [entry], total: 1 })),
    remove: vi.fn(async () => (library = {
      ...library, items: [{ ...entry, removedAt: '2026-09-28T01:00:00Z' }], total: 1,
    })),
  };
  const packageStore = {
    getInstalled: vi.fn(async () => installed),
    resolveAndInstall: vi.fn(async () => {
      installed = { pluginId, releaseId: 'child-1', version: '1.0.0', channel: 'stable' };
      return { ...installed, status: 'installed' };
    }),
    uninstall: vi.fn(async () => { installed = null; return { pluginId, status: 'removed' }; }),
  };
  const onChanged = vi.fn();
  const service = createCodingPluginMarketplaceService({
    marketplace: marketplace as never, packageStore: packageStore as never,
    clientVersion: '2.0.0', onChanged,
  });
  return { service, marketplace, packageStore, onChanged,
    switchAccount() { binding = { accountKey: 'b'.repeat(64), epoch: 2 }; },
  };
}

describe('default child-friendly replies installation', () => {
  it('acquires and installs without a manual action, then leaves the installed package alone', async () => {
    const f = fixture();
    const result = await f.service.readLibrary();
    expect(result.installations).toEqual([{ pluginId, status: 'installed', releaseId: 'child-1', version: '1.0.0', channel: 'stable' }]);
    expect(f.marketplace.acquire).toHaveBeenCalledWith(pluginId);
    expect(f.packageStore.resolveAndInstall).toHaveBeenCalledWith({ pluginId, makeloreVersion: '2.0.0', channel: 'stable' });
    expect(f.onChanged).toHaveBeenCalledWith({ pluginId, kind: 'install' });
    await f.service.readLibrary();
    expect(f.packageStore.resolveAndInstall).toHaveBeenCalledTimes(1);
  });

  it('respects account removal and default-plugin device uninstall on later refreshes', async () => {
    const f = fixture();
    await f.service.readLibrary();
    await f.service.uninstall(pluginId);
    expect(f.marketplace.remove).toHaveBeenCalledWith(pluginId);
    expect((await f.service.readLibrary()).installations).toEqual([]);
    expect(f.packageStore.resolveAndInstall).toHaveBeenCalledTimes(1);
  });

  it('does not acquire an unsigned release or mistake it for installed', async () => {
    const f = fixture();
    f.marketplace.readDetail.mockImplementationOnce(async () => ({
      pluginId, acquisition: 'free', runtimeStatus: 'enabled', stale: false,
      stableRelease: { deliveryKind: 'artifact', signingKeyId: '', descriptorSignature: '',
        minMakeloreVersion: '2.0.0', maxMakeloreVersion: null },
    }));
    expect((await f.service.readLibrary()).installations).toEqual([]);
    expect(f.marketplace.acquire).not.toHaveBeenCalled();
    expect(f.packageStore.resolveAndInstall).not.toHaveBeenCalled();
    expect((await f.service.readLibrary()).installations).toHaveLength(1);
  });

  it('retries a failed download on refresh without duplicating acquisition', async () => {
    const f = fixture();
    f.packageStore.resolveAndInstall.mockRejectedValueOnce(new Error('download unavailable'));
    expect((await f.service.readLibrary()).installations).toEqual([]);
    expect((await f.service.readLibrary()).installations).toHaveLength(1);
    expect(f.marketplace.acquire).toHaveBeenCalledTimes(1);
  });

  it('does not acquire for a different account when login changes during the detail request', async () => {
    const f = fixture();
    const original = f.marketplace.readDetail.getMockImplementation()!;
    f.marketplace.readDetail.mockImplementationOnce(async () => {
      f.switchAccount();
      return original();
    });
    await expect(f.service.readLibrary()).rejects.toMatchObject({ code: 'marketplace_account_changed' });
    expect(f.marketplace.acquire).not.toHaveBeenCalled();
    expect(f.packageStore.resolveAndInstall).not.toHaveBeenCalled();
  });

  it('keeps an explicit removal made during automatic installation as the final choice', async () => {
    const f = fixture();
    let finish!: () => void;
    const paused = new Promise<void>((resolve) => { finish = resolve; });
    const install = f.packageStore.resolveAndInstall.getMockImplementation()!;
    f.packageStore.resolveAndInstall.mockImplementationOnce(async () => { await paused; return install(); });
    const refreshing = f.service.readLibrary();
    await vi.waitFor(() => expect(f.packageStore.resolveAndInstall).toHaveBeenCalled());
    const removing = f.service.remove(pluginId);
    finish();
    await refreshing;
    await removing;
    const result = await f.service.readLibrary();
    expect(result.library.items[0].removedAt).toBeTruthy();
    expect(f.packageStore.resolveAndInstall).toHaveBeenCalledTimes(1);
  });
});