import { expect, tap } from '@push.rocks/tapbundle';
import * as qenv from '@push.rocks/qenv';
import * as smartrequest from '@push.rocks/smartrequest';
import * as smartfile from '@push.rocks/smartfile';

const testQenv = new qenv.Qenv('./', './.nogit/');

import * as smartai from '../ts/index.js';

let anthropicProvider: smartai.AnthropicProvider;

tap.test('Anthropic: should create and start Anthropic provider', async () => {
  anthropicProvider = new smartai.AnthropicProvider({
    anthropicToken: await testQenv.getEnvVarOnDemand('ANTHROPIC_TOKEN'),
  });
  await anthropicProvider.start();
  expect(anthropicProvider).toBeInstanceOf(smartai.AnthropicProvider);
});

tap.test('Anthropic: should create chat response', async () => {
  const userMessage = 'What is the capital of France? Answer in one word.';
  const response = await anthropicProvider.chat({
    systemMessage: 'You are a helpful assistant. Be concise.',
    userMessage: userMessage,
    messageHistory: [],
  });
  console.log(`Anthropic Chat - User: ${userMessage}`);
  console.log(`Anthropic Chat - Response: ${response.message}`);

  expect(response.role).toEqual('assistant');
  expect(response.message).toBeTruthy();
  expect(response.message.toLowerCase()).toInclude('paris');
});

tap.test('Anthropic: should handle message history', async () => {
  const messageHistory: smartai.ChatMessage[] = [
    { role: 'user', content: 'My name is Claude Test' },
    { role: 'assistant', content: 'Nice to meet you, Claude Test!' }
  ];

  const response = await anthropicProvider.chat({
    systemMessage: 'You are a helpful assistant with good memory.',
    userMessage: 'What is my name?',
    messageHistory: messageHistory,
  });

  console.log(`Anthropic Memory Test - Response: ${response.message}`);
  expect(response.message.toLowerCase()).toInclude('claude test');
});

tap.test('Anthropic: should process vision tasks', async () => {
  // Create a simple test image (1x1 red pixel JPEG)
  // This is a valid 1x1 JPEG image
  const redPixelBase64 = '/9j/4AAQSkZJRgABAQEAYABgAAD/2wBDAAgGBgcGBQgHBwcJCQgKDBQNDAsLDBkSEw8UHRofHh0aHBwgJC4nICIsIxwcKDcpLDAxNDQ0Hyc5PTgyPC4zNDL/2wBDAQkJCQwLDBgNDRgyIRwhMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjIyMjL/wAARCAABAAEDASIAAhEBAxEB/8QAFQABAQAAAAAAAAAAAAAAAAAAAAv/xAAUEAEAAAAAAAAAAAAAAAAAAAAA/8QAFQEBAQAAAAAAAAAAAAAAAAAAAAX/xAAUEQEAAAAAAAAAAAAAAAAAAAAA/9oADAMBAAIRAxEAPwCwAA8A/9k=';
  const imageBuffer = Buffer.from(redPixelBase64, 'base64');

  const result = await anthropicProvider.vision({
    image: imageBuffer,
    prompt: 'What color is this image? Answer with just the color name.'
  });

  console.log(`Anthropic Vision - Result: ${result}`);
  expect(result).toBeTruthy();
  expect(typeof result).toEqual('string');
});

tap.test('Anthropic: should document a PDF', async () => {
  const pdfUrl = 'https://www.w3.org/WAI/ER/tests/xhtml/testfiles/resources/pdf/dummy.pdf';
  const pdfResponse = await smartrequest.SmartRequest.create()
    .url(pdfUrl)
    .get();

  const result = await anthropicProvider.document({
    systemMessage: 'Classify the document. Only the following answers are allowed: "invoice", "bank account statement", "contract", "test document", "other". The answer should only contain the keyword for machine use.',
    userMessage: 'Classify this document.',
    messageHistory: [],
    pdfDocuments: [Buffer.from(await pdfResponse.arrayBuffer())],
  });

  console.log(`Anthropic Document - Result:`, result);
  expect(result).toBeTruthy();
  expect(result.message).toBeTruthy();
});

tap.test('Anthropic: should handle complex document analysis', async () => {
  // Test with the demo PDF if it exists
  const pdfPath = './.nogit/demo_without_textlayer.pdf';
  let pdfBuffer: Uint8Array;

  try {
    pdfBuffer = await smartfile.fs.toBuffer(pdfPath);
  } catch (error) {
    // If the file doesn't exist, use the dummy PDF
    console.log('Demo PDF not found, using dummy PDF instead');
    const pdfUrl = 'https://www.w3.org/WAI/ER/tests/xhtml/testfiles/resources/pdf/dummy.pdf';
    const pdfResponse = await smartrequest.SmartRequest.create()
      .url(pdfUrl)
      .get();
    pdfBuffer = Buffer.from(await pdfResponse.arrayBuffer());
  }

  const result = await anthropicProvider.document({
    systemMessage: `
      Analyze this document and provide a JSON response with the following structure:
      {
        "documentType": "string",
        "hasText": boolean,
        "summary": "string"
      }
    `,
    userMessage: 'Analyze this document.',
    messageHistory: [],
    pdfDocuments: [pdfBuffer],
  });

  console.log(`Anthropic Complex Document Analysis:`, result);
  expect(result).toBeTruthy();
  expect(result.message).toBeTruthy();
});

tap.test('Anthropic: should handle errors gracefully', async () => {
  // Test with invalid message (empty)
  let errorCaught = false;

  try {
    await anthropicProvider.chat({
      systemMessage: '',
      userMessage: '',
      messageHistory: [],
    });
  } catch (error) {
    errorCaught = true;
    console.log('Expected error caught:', error.message);
  }

  // Anthropic might handle empty messages, so we don't assert error
  console.log(`Error handling test - Error caught: ${errorCaught}`);
});

tap.test('Anthropic: audio should throw not supported error', async () => {
  let errorCaught = false;

  try {
    await anthropicProvider.audio({
      message: 'This should fail'
    });
  } catch (error) {
    errorCaught = true;
    expect(error.message).toInclude('not yet supported');
  }

  expect(errorCaught).toBeTrue();
});

tap.test('Anthropic: should stop the provider', async () => {
  await anthropicProvider.stop();
  console.log('Anthropic provider stopped successfully');
});

export default tap.start();