import { describe, expect, it, vi, beforeEach } from 'vitest';
import { setupInternalHooks } from './onboard-hooks.js';
import type { ClawdbotConfig } from '../config/config.js';
import type { RuntimeEnv } from '../runtime.js';
import type { WizardPrompter } from '../wizard/prompts.js';
import type { HookStatusReport } from '../hooks/hooks-status.js';

// Mock hook discovery modules
vi.mock('../hooks/hooks-status.js', () => ({
  buildWorkspaceHookStatus: vi.fn(),
}));

vi.mock('../agents/agent-scope.js', () => ({
  resolveAgentWorkspaceDir: vi.fn().mockReturnValue('/mock/workspace'),
  resolveDefaultAgentId: vi.fn().mockReturnValue('main'),
}));

describe('onboard-hooks', () => {
  beforeEach(() => {
    vi.clearAllMocks();
  });

  const createMockPrompter = (multiselectValue: string[]): WizardPrompter => ({
    confirm: vi.fn().mockResolvedValue(true),
    note: vi.fn().mockResolvedValue(undefined),
    intro: vi.fn().mockResolvedValue(undefined),
    outro: vi.fn().mockResolvedValue(undefined),
    text: vi.fn().mockResolvedValue(''),
    select: vi.fn().mockResolvedValue(''),
    multiselect: vi.fn().mockResolvedValue(multiselectValue),
    progress: vi.fn().mockReturnValue({
      stop: vi.fn(),
      update: vi.fn(),
    }),
  });

  const createMockRuntime = (): RuntimeEnv => ({
    log: vi.fn(),
    error: vi.fn(),
    exit: vi.fn(),
  });

  const createMockHookReport = (eligible = true): HookStatusReport => ({
    workspaceDir: '/mock/workspace',
    managedHooksDir: '/mock/.clawdbot/hooks',
    hooks: [
      {
        name: 'session-memory',
        description: 'Save session context to memory when /new command is issued',
        source: 'clawdbot-bundled',
        emoji: '💾',
        events: ['command:new'],
        disabled: false,
        eligible,
        requirements: { config: ['workspace.dir'] },
        missing: {},
      },
    ],
  });

  describe('setupInternalHooks', () => {
    it('should enable internal hooks when user selects them', async () => {
      const { buildWorkspaceHookStatus } = await import('../hooks/hooks-status.js');
      vi.mocked(buildWorkspaceHookStatus).mockReturnValue(createMockHookReport());

      const cfg: ClawdbotConfig = {};
      const prompter = createMockPrompter(['session-memory']);
      const runtime = createMockRuntime();

      const result = await setupInternalHooks(cfg, runtime, prompter);

      expect(result.hooks?.internal?.enabled).toBe(true);
      expect(result.hooks?.internal?.entries).toEqual({
        'session-memory': { enabled: true },
      });
      expect(prompter.note).toHaveBeenCalledTimes(2);
      expect(prompter.multiselect).toHaveBeenCalledWith({
        message: 'Enable internal hooks?',
        options: [
          { value: '__skip__', label: 'Skip for now' },
          {
            value: 'session-memory',
            label: '💾 session-memory',
            hint: 'Save session context to memory when /new command is issued',
          },
        ],
      });
    });

    it('should not enable hooks when user skips', async () => {
      const { buildWorkspaceHookStatus } = await import('../hooks/hooks-status.js');
      vi.mocked(buildWorkspaceHookStatus).mockReturnValue(createMockHookReport());

      const cfg: ClawdbotConfig = {};
      const prompter = createMockPrompter(['__skip__']);
      const runtime = createMockRuntime();

      const result = await setupInternalHooks(cfg, runtime, prompter);

      expect(result.hooks?.internal).toBeUndefined();
      expect(prompter.note).toHaveBeenCalledTimes(1);
    });

    it('should handle no eligible hooks', async () => {
      const { buildWorkspaceHookStatus } = await import('../hooks/hooks-status.js');
      vi.mocked(buildWorkspaceHookStatus).mockReturnValue(createMockHookReport(false));

      const cfg: ClawdbotConfig = {};
      const prompter = createMockPrompter([]);
      const runtime = createMockRuntime();

      const result = await setupInternalHooks(cfg, runtime, prompter);

      expect(result).toEqual(cfg);
      expect(prompter.multiselect).not.toHaveBeenCalled();
      expect(prompter.note).toHaveBeenCalledWith(
        'No eligible hooks found. You can configure hooks later in your config.',
        'No Hooks Available',
      );
    });

    it('should preserve existing hooks config when enabled', async () => {
      const { buildWorkspaceHookStatus } = await import('../hooks/hooks-status.js');
      vi.mocked(buildWorkspaceHookStatus).mockReturnValue(createMockHookReport());

      const cfg: ClawdbotConfig = {
        hooks: {
          enabled: true,
          path: '/webhook',
          token: 'existing-token',
        },
      };
      const prompter = createMockPrompter(['session-memory']);
      const runtime = createMockRuntime();

      const result = await setupInternalHooks(cfg, runtime, prompter);

      expect(result.hooks?.enabled).toBe(true);
      expect(result.hooks?.path).toBe('/webhook');
      expect(result.hooks?.token).toBe('existing-token');
      expect(result.hooks?.internal?.enabled).toBe(true);
      expect(result.hooks?.internal?.entries).toEqual({
        'session-memory': { enabled: true },
      });
    });

    it('should preserve existing config when user skips', async () => {
      const { buildWorkspaceHookStatus } = await import('../hooks/hooks-status.js');
      vi.mocked(buildWorkspaceHookStatus).mockReturnValue(createMockHookReport());

      const cfg: ClawdbotConfig = {
        agents: { defaults: { workspace: '/workspace' } },
      };
      const prompter = createMockPrompter(['__skip__']);
      const runtime = createMockRuntime();

      const result = await setupInternalHooks(cfg, runtime, prompter);

      expect(result).toEqual(cfg);
      expect(result.agents?.defaults?.workspace).toBe('/workspace');
    });

    it('should show informative notes to user', async () => {
      const { buildWorkspaceHookStatus } = await import('../hooks/hooks-status.js');
      vi.mocked(buildWorkspaceHookStatus).mockReturnValue(createMockHookReport());

      const cfg: ClawdbotConfig = {};
      const prompter = createMockPrompter(['session-memory']);
      const runtime = createMockRuntime();

      await setupInternalHooks(cfg, runtime, prompter);

      const noteCalls = (prompter.note as ReturnType<typeof vi.fn>).mock.calls;
      expect(noteCalls).toHaveLength(2);

      // First note should explain what internal hooks are
      expect(noteCalls[0][0]).toContain('Internal hooks');
      expect(noteCalls[0][0]).toContain('automate actions');

      // Second note should confirm configuration
      expect(noteCalls[1][0]).toContain('Enabled 1 hook: session-memory');
      expect(noteCalls[1][0]).toContain('clawdbot hooks internal list');
    });
  });
});