import { getFunctionName } from 'convex/server';
import { afterEach, describe, expect, test, vi } from 'vitest';

import type { Id } from '@spoon/backend/convex/_generated/dataModel.js';

const mocks = vi.hoisted(() => ({
  getWorktreeDiff: vi.fn(() =>
    Promise.resolve({ exitCode: 0, output: 'unexpected diff' }),
  ),
  mutation: vi.fn(),
  stopWorkspaceContainer: vi.fn(() => Promise.resolve()),
  streamExecInContainer: vi.fn(),
}));

vi.mock('convex/browser', () => ({
  ConvexHttpClient: vi.fn(
    class ConvexHttpClient {
      mutation = mocks.mutation;
    },
  ),
}));
vi.mock('../../src/env', () => ({
  env: {
    buildCreatedAt: 'test',
    buildSha: 'test',
    containerAccess: 'network',
    convexUrl: 'http://convex.test',
    jobTimeoutMs: 1000,
    runtime: 'docker',
    workerId: 'worker-1',
    workerToken: 'token',
  },
}));
vi.mock('../../src/git', () => ({
  cloneRepository: vi.fn(),
  commitAndPush: vi.fn(),
  getStatus: vi.fn(),
  getWorktreeDiff: mocks.getWorktreeDiff,
  run: vi.fn(),
}));
vi.mock('../../src/github', () => ({
  getInstallationToken: vi.fn(),
  openDraftPullRequest: vi.fn(),
}));
vi.mock('../../src/opencode-session', () => ({
  abortOpenCodeSession: vi.fn(),
  createOpenCodeSession: vi.fn(),
  promptOpenCodeSession: vi.fn(),
  replyOpenCodePermission: vi.fn(),
}));
vi.mock('../../src/runtime/docker', () => ({
  listWorkspaceContainerNames: vi.fn(() => Promise.resolve([])),
  runExecInContainer: vi.fn(),
  startWorkspaceContainer: vi.fn(),
  stopWorkspaceContainer: mocks.stopWorkspaceContainer,
  streamExecInContainer: mocks.streamExecInContainer,
}));
vi.mock('../../src/user-container', () => ({
  acquireUserBox: vi.fn(),
  runningBoxUsernames: vi.fn(() => new Set()),
}));
vi.mock('../../src/user-environment', () => ({
  fetchUserEnvironment: vi.fn(),
  materializeUserHome: vi.fn(),
}));

const decision = {
  decision: 'sync',
  risk: 'low',
  summary: 'Safe to sync.',
  ignoredCommitShas: [],
  ignoredReason: '',
  recommendedAction: 'Sync upstream.',
  requiresUserApproval: false,
};

const load = async () => await import('../../src/worker');

afterEach(async () => {
  const worker = await load();
  worker._resetActiveWorkspacesForTests();
  vi.restoreAllMocks();
  vi.clearAllMocks();
});

describe('maintenance workspace cleanup', () => {
  test.each(['mark', 'container'] as const)(
    'releases and removes the workspace when %s teardown fails',
    async (failingStep) => {
      const worker = await load();
      const release = vi.fn();
      const close = vi.fn();
      const jobId = `maintenance-${failingStep}`;
      mocks.mutation.mockImplementation((reference) => {
        if (
          failingStep === 'mark' &&
          getFunctionName(reference) === 'agentJobs:markWorkspaceStopped'
        ) {
          return Promise.reject(new Error('status teardown failed'));
        }
        return Promise.resolve('message-1');
      });
      mocks.stopWorkspaceContainer.mockImplementation(() =>
        failingStep === 'container'
          ? Promise.reject(new Error('container teardown failed'))
          : Promise.resolve(),
      );
      mocks.streamExecInContainer.mockImplementation(async (args) => {
        await args.onStdoutLine(
          JSON.stringify({
            type: 'item.completed',
            item: {
              type: 'agent_message',
              text: JSON.stringify(decision),
            },
          }),
        );
        return { exitCode: 0, output: '' };
      });
      worker._setActiveWorkspaceForTests(jobId, {
        claim: {
          job: {
            _id: jobId as Id<'agentJobs'>,
            prompt: 'Review maintenance changes',
            jobType: 'maintenance_review',
            baseBranch: 'main',
            workBranch: 'spoon/maintenance',
            forkOwner: 'team',
            forkRepo: 'spoon',
            upstreamOwner: 'upstream',
            upstreamRepo: 'spoon',
          },
          spoon: { name: 'Spoon' },
          openai: {
            model: 'gpt-5',
            reasoningEffort: 'medium',
          },
          aiProviderProfile: {
            id: 'profile-1',
            name: 'Codex',
            provider: 'opencode_openai_login',
            authType: 'opencode_auth_json',
            model: 'gpt-5',
            reasoningEffort: 'medium',
          },
          github: {},
          secrets: [],
        },
        workdir: '/tmp/workspace',
        homeDir: '/tmp/workspace',
        username: 'tester',
        containerHome: '/home/tester',
        containerRepo: '/home/tester/Code/spoon',
        repoDir: '/tmp/workspace/Code/spoon',
        boxName: 'spoon-box-tester',
        boxHandle: { boxName: 'spoon-box-tester', release },
        githubToken: 'github-token',
        redact: (value: string) => value,
        runtime: 'codex',
        containerName: 'spoon-agent-job-maintenance',
        opencodeSession: {
          client: {} as never,
          sessionId: 'session-1',
          close,
        },
      });
      const consoleError = vi
        .spyOn(console, 'error')
        .mockImplementation(() => undefined);

      await expect(
        worker.sendWorkspaceMessage(jobId, 'Review maintenance changes'),
      ).resolves.toBeUndefined();

      expect(release).toHaveBeenCalledTimes(1);
      expect(close).toHaveBeenCalledTimes(1);
      expect(mocks.stopWorkspaceContainer).toHaveBeenCalledTimes(1);
      expect(mocks.getWorktreeDiff).not.toHaveBeenCalled();
      expect(
        mocks.mutation.mock.calls.some(([, args]) => args.kind === 'diff'),
      ).toBe(false);
      await expect(worker.stopWorkspace(jobId)).rejects.toThrow(
        'Agent workspace is not active on this worker.',
      );
      expect(consoleError).toHaveBeenCalledTimes(1);
    },
  );
});