/**
 * Unified wizard integration test — exercises the `skipGateway: false` code
 * path so that wiring between `runWizard` and the two gateway stages is
 * covered. The gateway stages themselves are mocked (they require a real
 * daemon + network) but the dynamic imports and option plumbing are real.
 */

import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
import { mkdtempSync, rmSync, cpSync, existsSync } from 'node:fs';
import { join } from 'node:path';
import { tmpdir } from 'node:os';
import { HeadlessPrompter } from '../../src/prompter/headless-prompter.js';
import { createConfigService } from '../../src/config/config-service.js';

const gatewayConfigMock = vi.fn();
const gatewayBootstrapMock = vi.fn();

vi.mock('../../src/stages/gateway-config.js', () => ({
  gatewayConfigStage: (...args: unknown[]) => gatewayConfigMock(...args),
}));

vi.mock('../../src/stages/gateway-bootstrap.js', () => ({
  gatewayBootstrapStage: (...args: unknown[]) => gatewayBootstrapMock(...args),
}));

// Import AFTER the mocks so runWizard picks up the mocked stage modules.
import { runWizard } from '../../src/wizard.js';

describe('Unified wizard (runWizard with default skipGateway)', () => {
  let tmpDir: string;
  const repoRoot = join(import.meta.dirname, '..', '..');

  const originalIsTTY = process.stdin.isTTY;
  const originalAssumeYes = process.env['MOSAIC_ASSUME_YES'];

  beforeEach(() => {
    tmpDir = mkdtempSync(join(tmpdir(), 'mosaic-unified-wizard-'));
    const candidates = [join(repoRoot, 'framework', 'templates'), join(repoRoot, 'templates')];
    for (const templatesDir of candidates) {
      if (existsSync(templatesDir)) {
        cpSync(templatesDir, join(tmpDir, 'templates'), { recursive: true });
        break;
      }
    }
    gatewayConfigMock.mockReset();
    gatewayBootstrapMock.mockReset();
    // Pretend we're on an interactive TTY so the wizard's headless-abort
    // branch does not call `process.exit(1)` during these tests.
    Object.defineProperty(process.stdin, 'isTTY', { value: true, configurable: true });
    delete process.env['MOSAIC_ASSUME_YES'];
  });

  afterEach(() => {
    rmSync(tmpDir, { recursive: true, force: true });
    Object.defineProperty(process.stdin, 'isTTY', {
      value: originalIsTTY,
      configurable: true,
    });
    if (originalAssumeYes === undefined) {
      delete process.env['MOSAIC_ASSUME_YES'];
    } else {
      process.env['MOSAIC_ASSUME_YES'] = originalAssumeYes;
    }
  });

  it('invokes the gateway config + bootstrap stages by default', async () => {
    gatewayConfigMock.mockResolvedValue({ ready: true, host: 'localhost', port: 14242 });
    gatewayBootstrapMock.mockResolvedValue({ completed: true });

    const prompter = new HeadlessPrompter({
      'Installation mode': 'quick',
      'What name should agents use?': 'TestBot',
      'Communication style': 'direct',
      'Your name': 'Tester',
      'Your pronouns': 'They/Them',
      'Your timezone': 'UTC',
    });

    await runWizard({
      mosaicHome: tmpDir,
      sourceDir: tmpDir,
      prompter,
      configService: createConfigService(tmpDir, tmpDir),
      gatewayHost: 'localhost',
      gatewayPort: 14242,
      skipGatewayNpmInstall: true,
    });

    expect(gatewayConfigMock).toHaveBeenCalledTimes(1);
    expect(gatewayBootstrapMock).toHaveBeenCalledTimes(1);
    const configCall = gatewayConfigMock.mock.calls[0];
    expect(configCall[2]).toMatchObject({
      host: 'localhost',
      defaultPort: 14242,
      skipInstall: true,
    });
    const bootstrapCall = gatewayBootstrapMock.mock.calls[0];
    expect(bootstrapCall[2]).toMatchObject({ host: 'localhost', port: 14242 });
  });

  it('does not invoke bootstrap when config stage reports not ready', async () => {
    gatewayConfigMock.mockResolvedValue({ ready: false });

    const prompter = new HeadlessPrompter({
      'Installation mode': 'quick',
      'What name should agents use?': 'TestBot',
      'Communication style': 'direct',
      'Your name': 'Tester',
      'Your pronouns': 'They/Them',
      'Your timezone': 'UTC',
    });

    await runWizard({
      mosaicHome: tmpDir,
      sourceDir: tmpDir,
      prompter,
      configService: createConfigService(tmpDir, tmpDir),
      skipGatewayNpmInstall: true,
    });

    expect(gatewayConfigMock).toHaveBeenCalledTimes(1);
    expect(gatewayBootstrapMock).not.toHaveBeenCalled();
  });

  it('respects skipGateway: true', async () => {
    const prompter = new HeadlessPrompter({
      'Installation mode': 'quick',
      'What name should agents use?': 'TestBot',
      'Communication style': 'direct',
      'Your name': 'Tester',
      'Your pronouns': 'They/Them',
      'Your timezone': 'UTC',
    });

    await runWizard({
      mosaicHome: tmpDir,
      sourceDir: tmpDir,
      prompter,
      configService: createConfigService(tmpDir, tmpDir),
      skipGateway: true,
    });

    expect(gatewayConfigMock).not.toHaveBeenCalled();
    expect(gatewayBootstrapMock).not.toHaveBeenCalled();
  });
});