import { HttpRequestTool } from '../../src/tools/builtin/HttpRequestTool';
import { ToolContext } from '../../src/tools/base/ToolHandler';

// Mock fetch
global.fetch = jest.fn();

describe('HttpRequestTool', () => {
  let tool: HttpRequestTool;

  beforeEach(() => {
    tool = new HttpRequestTool();
    jest.clearAllMocks();
  });

  const createContext = (permissions: string[] = ['network:http']): ToolContext => ({
    requestId: 'test-request',
    permissions,
  });

  describe('execute', () => {
    it('should make GET request successfully', async () => {
      const mockResponse = {
        status: 200,
        statusText: 'OK',
        headers: new Headers({ 'content-type': 'application/json' }),
        json: async () => ({ data: 'test' }),
      };

      (global.fetch as jest.Mock).mockResolvedValue(mockResponse);

      const result = await tool.execute(
        { url: 'https://api.example.com/data' },
        createContext(),
      );

      expect(result).toMatchObject({
        status: 200,
        statusText: 'OK',
        body: { data: 'test' },
      });

      expect(global.fetch).toHaveBeenCalledWith(
        'https://api.example.com/data',
        expect.objectContaining({
          method: 'GET',
        }),
      );
    });

    it('should make POST request with JSON body', async () => {
      const mockResponse = {
        status: 201,
        statusText: 'Created',
        headers: new Headers({ 'content-type': 'application/json' }),
        json: async () => ({ id: 123 }),
      };

      (global.fetch as jest.Mock).mockResolvedValue(mockResponse);

      const result = await tool.execute(
        {
          url: 'https://api.example.com/users',
          method: 'POST',
          body: { name: 'John Doe' },
        },
        createContext(),
      );

      expect(result.status).toBe(201);
      expect(global.fetch).toHaveBeenCalledWith(
        'https://api.example.com/users',
        expect.objectContaining({
          method: 'POST',
          body: JSON.stringify({ name: 'John Doe' }),
          headers: expect.objectContaining({
            'Content-Type': 'application/json',
          }),
        }),
      );
    });

    it('should throw error for internal URLs', async () => {
      await expect(
        tool.execute(
          { url: 'http://localhost:8080/internal' },
          createContext(),
        ),
      ).rejects.toThrow('Requests to internal networks are not allowed');

      await expect(
        tool.execute(
          { url: 'http://192.168.1.1/admin' },
          createContext(),
        ),
      ).rejects.toThrow('Requests to internal networks are not allowed');
    });

    it('should throw error without permission', async () => {
      await expect(
        tool.execute(
          { url: 'https://api.example.com' },
          createContext([]),
        ),
      ).rejects.toThrow('Permission denied: network:http required');
    });

    it('should handle timeout', async () => {
      (global.fetch as jest.Mock).mockImplementation(
        (_url, options) => new Promise((_resolve, reject) => {
          // Simulate AbortController behavior
          if (options?.signal) {
            options.signal.addEventListener('abort', () => {
              const error = new Error('The operation was aborted');
              error.name = 'AbortError';
              reject(error);
            });
          }
          // Never resolve to simulate timeout
        }),
      );

      await expect(
        tool.execute(
          { url: 'https://api.example.com', timeout: 100 },
          createContext(),
        ),
      ).rejects.toThrow('Request timeout after 100ms');
    });
  });
});