process.env.DATABASE_PATH = ':memory:';
process.env.THEMES_DIR = './themes';
process.env.FRONTEND_DIST = './frontend/dist';
process.env.UPLOAD_SIZE_LIMIT = '5mb';
process.env.NODE_ENV = 'test';

import { ApiError } from '../../backend/src/common/errors/api-error';
import { ERROR_CODES } from '../../backend/src/common/errors/error-codes';
import type { ArgumentMetadata } from '@nestjs/common';
import { AdminSystemController } from '../../backend/src/modules/admin/system/admin-system.controller';
import { ZodValidationPipe } from '../../backend/src/common/pipes/zod-validation.pipe';
import { AdminRestoreCommitBodySchema } from '../../backend/src/modules/admin/system/dto/admin-system.dto';

describe('Job 916: Admin restore commit body passes stagingId through', () => {
  function makeController(opts: {
    commitRestore: jest.Mock;
    consume?: jest.Mock;
  }) {
    const consume = opts.consume ?? jest.fn().mockResolvedValue({ id: 'tok' });
    const reauthenticateAdmin = jest.fn().mockResolvedValue({ id: 'admin-1' });
    const revokeAllRefreshSessions = jest.fn().mockResolvedValue(undefined);
    const issue = jest.fn().mockResolvedValue({ token: 't', expiresAt: 'x', id: 'i' });
    const resetScores = jest.fn();
    const wipeChallenges = jest.fn();
    return {
      controller: new AdminSystemController(
        { build: jest.fn() } as any,
        { stageArchive: jest.fn(), commitRestore: opts.commitRestore } as any,
        { resetScores, wipeChallenges } as any,
        { consume, issue } as any,
        { reauthenticateAdmin, revokeAllRefreshSessions } as any,
      ),
      consume,
      commitRestore: opts.commitRestore,
      issue,
      reauthenticateAdmin,
      revokeAllRefreshSessions,
    };
  }

  function adminReq(): any {
    return { user: { sub: 'admin-1', role: 'admin' } };
  }

  it('forwards stagingId to RestoreService.commitRestore and returns ok', async () => {
    const commitRestore = jest.fn().mockResolvedValue({ restoresPerformed: true, revokeUserId: 'admin-1' });
    const { controller, consume, revokeAllRefreshSessions } = makeController({ commitRestore });

    const result = await controller.commitRestore(
      adminReq(),
      { operation: 'restore-backup', token: 'raw-token', stagingId: 'stage-xyz' },
    );

    expect(result).toEqual({ ok: true, operation: 'restore-backup' });
    expect(consume).toHaveBeenCalledWith({
      userId: 'admin-1',
      operation: 'restore-backup',
      token: 'raw-token',
      stagingId: 'stage-xyz',
    });
    expect(commitRestore).toHaveBeenCalledWith('stage-xyz');
    expect(revokeAllRefreshSessions).toHaveBeenCalledWith('admin-1');
  });

  it('returns SYSTEM_RESTORE_STAGE_EXPIRED when stagingId is missing', async () => {
    const commitRestore = jest.fn();
    const consume = jest.fn();
    const { controller } = makeController({ commitRestore, consume });

    await expect(
      controller.commitRestore(
        adminReq(),
        { operation: 'restore-backup', token: 'raw-token' },
      ),
    ).rejects.toMatchObject({
      code: ERROR_CODES.SYSTEM_RESTORE_STAGE_EXPIRED,
    });
    expect(consume).not.toHaveBeenCalled();
    expect(commitRestore).not.toHaveBeenCalled();
  });

  it('returns SYSTEM_TOKEN_MISMATCH when operation is not restore-backup', async () => {
    const commitRestore = jest.fn();
    const consume = jest.fn();
    const { controller } = makeController({ commitRestore, consume });

    await expect(
      controller.commitRestore(
        adminReq(),
        { operation: 'reset-scores' as any, token: 'raw-token', stagingId: 'stage-xyz' },
      ),
    ).rejects.toMatchObject({
      code: ERROR_CODES.SYSTEM_TOKEN_MISMATCH,
    });
    expect(consume).not.toHaveBeenCalled();
    expect(commitRestore).not.toHaveBeenCalled();
  });

  it('AdminRestoreCommitBodySchema preserves the stagingId field', () => {
    const pipe = new ZodValidationPipe(AdminRestoreCommitBodySchema);
    const meta: ArgumentMetadata = { type: 'body' };
    const value = pipe.transform({
      operation: 'restore-backup',
      token: 'raw-token',
      stagingId: 'stage-xyz',
    }, meta);
    expect(value).toEqual({
      operation: 'restore-backup',
      token: 'raw-token',
      stagingId: 'stage-xyz',
    });
  });

  it('AdminRestoreCommitBodySchema keeps optional stagingId absent (not empty-stringed)', () => {
    const pipe = new ZodValidationPipe(AdminRestoreCommitBodySchema);
    const meta: ArgumentMetadata = { type: 'body' };
    const value = pipe.transform({ operation: 'restore-backup', token: 'raw-token' }, meta);
    expect(value).toEqual({ operation: 'restore-backup', token: 'raw-token' });
    expect((value as any).stagingId).toBeUndefined();
    void ApiError;
  });
});