Build IntelligentAI Agents

import { generateText } from 'ai';
import { openai } from '@ai-sdk/openai';

// Define the search tool
const searchTool = {
  name: 'search',
  description: 'Search the web for information',
  parameters: {
    type: 'object',
    properties: {
      query: {
        type: 'string',
        description: 'The search query'
      }
    },
    required: ['query']
  }
};

// Mock search function
async function performSearch(query: string) {
  // In a real app, this would connect to a search API
  return `Results for: ${query}...`;
}

// Create the search agent
export async function searchAgent(question: string) {
  const model = openai('gpt-4o');
  
  // Initialize conversation context
  let context = `User question: ${question}

`;
  
  // Generate a search plan
  const { text: searchPlan } = await generateText({
    model,
    prompt: `${context}
    What search queries would help answer this question?
    Generate up to 3 specific search queries.`,
  });
  
  context += `Search plan: ${searchPlan}

`;
  
  // Extract and perform searches
  const searchRegex = /(?:"|')([^"']+)(?:"|')/g;
  const queries = [];
  let match;
  
  while ((match = searchRegex.exec(searchPlan)) !== null) {
    queries.push(match[1]);
  }
  
  // Limit to 3 queries
  const limitedQueries = queries.slice(0, 3);
  
  // Perform searches
  for (const query of limitedQueries) {
    const results = await performSearch(query);
    context += `Query: ${query}
Results: ${results}

`;
  }
  
  // Generate final response
  const { text: finalAnswer } = await generateText({
    model,
    prompt: `${context}
    Based on the search results, provide a comprehensive 
    answer to the original question: "${question}"`,
  });
  
  return finalAnswer;
}