/**
 * Basic usage example for Simple AI Provider
 * Demonstrates how to use the Claude provider
 */

import { createClaudeProvider, AIProviderError, AIErrorType } from '../src/index.js';

async function basicExample() {
  // Replace with your actual API key
  const apiKey = process.env.ANTHROPIC_API_KEY || 'your-api-key-here';
  
  try {
    // Create and initialize the Claude provider
    console.log('Creating Claude provider...');
    const claude = createClaudeProvider(apiKey, {
      defaultModel: 'claude-3-5-haiku-20241022', // Using faster model for demo
      timeout: 30000
    });

    console.log('Initializing provider...');
    await claude.initialize();

    console.log('Provider info:', claude.getInfo());

    // Basic completion
    console.log('\n--- Basic Completion ---');
    const response = await claude.complete({
      messages: [
        { role: 'system', content: 'You are a helpful assistant that responds concisely.' },
        { role: 'user', content: 'What is TypeScript?' }
      ],
      maxTokens: 150,
      temperature: 0.7
    });

    console.log('Response:', response.content);
    console.log('Usage:', response.usage);

    // Streaming example
    console.log('\n--- Streaming Example ---');
    console.log('Streaming response for: "Write a haiku about coding"\n');
    
    for await (const chunk of claude.stream({
      messages: [
        { role: 'user', content: 'Write a haiku about coding' }
      ],
      maxTokens: 100
    })) {
      if (!chunk.isComplete) {
        process.stdout.write(chunk.content);
      } else {
        console.log('\n\nStream completed. Usage:', chunk.usage);
      }
    }

  } catch (error) {
    if (error instanceof AIProviderError) {
      console.error(`AI Provider Error (${error.type}):`, error.message);
      
      switch (error.type) {
        case AIErrorType.AUTHENTICATION:
          console.error('Please check your API key.');
          break;
        case AIErrorType.RATE_LIMIT:
          console.error('You are being rate limited. Please wait and try again.');
          break;
        case AIErrorType.INVALID_REQUEST:
          console.error('Invalid request parameters.');
          break;
        default:
          console.error('An unexpected error occurred.');
      }
    } else {
      console.error('Unexpected error:', error);
    }
  }
}

// Run the example
if (import.meta.main) {
  basicExample().catch(console.error);
}