import { runAttempt } from '../src/modules/netaclaw/runtime/attempt.js';

jest.mock('../src/modules/netaclaw/runtime/model_selection.js', () => ({
  getProvider: jest.fn(),
}));

describe('runAttempt tool lifecycle hooks', () => {
  const { getProvider } = require('../src/modules/netaclaw/runtime/model_selection.js');

  beforeEach(() => {
    jest.resetAllMocks();
  });

  it('applies beforeToolCall args override and afterToolCall result override', async () => {
    const execute = jest.fn(async (_id: string, args: Record<string, unknown>) => `result:${args.value}`);
    const chat = jest.fn()
      .mockResolvedValueOnce({
        content: 'tool turn',
        toolCalls: [
          { id: 'tool-1', name: 'demo_tool', arguments: JSON.stringify({ value: 'raw' }) },
        ],
        usage: { inputTokens: 1, outputTokens: 1 },
      })
      .mockResolvedValueOnce({
        content: 'done',
        toolCalls: [],
        usage: { inputTokens: 1, outputTokens: 1 },
      });
    getProvider.mockReturnValue({
      chat,
    });

    const result = await runAttempt({
      messages: [{ role: 'user', content: 'hello' }],
      tools: [{ name: 'demo_tool', execute } as any],
      config: { provider: 'mock', model: 'mock', apiKey: 'k' },
      beforeToolCall: async () => ({ args: { value: 'patched' } }),
      afterToolCall: async () => ({ result: 'after-result' }),
    });

    expect(execute).toHaveBeenCalledWith('tool-1', { value: 'patched' });
    expect(result.messages.some(message => message.role === 'tool' && message.content === 'after-result')).toBe(true);
  });

  it('blocks tool execution from beforeToolCall', async () => {
    const execute = jest.fn();
    const chat = jest.fn()
      .mockResolvedValueOnce({
        content: 'tool turn',
        toolCalls: [
          { id: 'tool-1', name: 'demo_tool', arguments: JSON.stringify({ value: 'raw' }) },
        ],
        usage: { inputTokens: 1, outputTokens: 1 },
      })
      .mockResolvedValueOnce({
        content: 'done',
        toolCalls: [],
        usage: { inputTokens: 1, outputTokens: 1 },
      });
    getProvider.mockReturnValue({
      chat,
    });

    const result = await runAttempt({
      messages: [{ role: 'user', content: 'hello' }],
      tools: [{ name: 'demo_tool', execute } as any],
      config: { provider: 'mock', model: 'mock', apiKey: 'k' },
      beforeToolCall: async () => ({ block: true, reason: 'denied' }),
    });

    expect(execute).not.toHaveBeenCalled();
    expect(result.messages.some(message => message.role === 'tool' && message.content === 'Tool call blocked: denied')).toBe(true);
  });

  it('preserves structured tool results for lifecycle hooks while sending text to the model', async () => {
    const rawImage = { type: 'image' as const, url: 'data:image/png;base64,abc', mimeType: 'image/png' };
    const execute = jest.fn(async () => rawImage);
    const onToolResult = jest.fn();
    const afterToolCall = jest.fn(async () => undefined);
    const chat = jest.fn()
      .mockResolvedValueOnce({
        content: 'tool turn',
        toolCalls: [
          { id: 'tool-1', name: 'demo_tool', arguments: JSON.stringify({}) },
        ],
        usage: { inputTokens: 1, outputTokens: 1 },
      })
      .mockResolvedValueOnce({
        content: 'done',
        toolCalls: [],
        usage: { inputTokens: 1, outputTokens: 1 },
      });
    getProvider.mockReturnValue({ chat });

    const result = await runAttempt({
      messages: [{ role: 'user', content: 'hello' }],
      tools: [{ name: 'demo_tool', execute } as any],
      config: { provider: 'mock', model: 'mock', apiKey: 'k' },
      afterToolCall,
      onToolResult,
    });

    expect(afterToolCall).toHaveBeenCalledWith(expect.objectContaining({
      result: 'Read image file [image/png]',
      rawResult: rawImage,
    }));
    expect(onToolResult).toHaveBeenCalledWith('demo_tool', 'Read image file [image/png]', 'tool-1', rawImage);
    expect(result.messages.some(message => message.role === 'tool' && message.content === 'Read image file [image/png]')).toBe(true);
  });
});