#!/usr/bin/env node
/**
 * SearXNG Search Tool
 * 
 * Provides web search via local SearXNG instance at http://10.0.0.8:8888/
 */

const SEARXNG_BASE_URL = process.env.SEARXNG_URL || 'http://10.0.0.8:8888';

async function searxSearch(args) {
  const { query, count = 5, lang = 'en', safesearch = 0 } = args;
  
  if (!query || typeof query !== 'string') {
    throw new Error('Missing required parameter: query');
  }
  
  // Build the search URL
  const searchParams = new URLSearchParams({
    q: query,
    format: 'json',
    language: lang,
    safesearch: String(safesearch),
  });
  
  const url = `${SEARXNG_BASE_URL}/search?${searchParams.toString()}`;
  
  try {
    const response = await fetch(url, {
      method: 'GET',
      headers: {
        'Accept': 'application/json',
        'User-Agent': 'OpenClaw-SearXNG-Skill/1.0',
      },
    });
    
    if (!response.ok) {
      throw new Error(`SearXNG returned HTTP ${response.status}: ${response.statusText}`);
    }
    
    const data = await response.json();
    
    // Transform SearXNG results to a standard format
    const results = (data.results || []).slice(0, Math.min(count, 20)).map(result => ({
      title: result.title || '',
      url: result.url || '',
      snippet: result.content || '',
      engine: result.engine || 'unknown',
      engines: result.engines || [],
      thumbnail: result.thumbnail || null,
      publishedDate: result.publishedDate || null,
    }));
    
    // Include infoboxes if available
    const infoboxes = (data.infoboxes || []).map(box => ({
      title: box.infobox || box.title || '',
      content: box.content || '',
      image: box.img_src || null,
      urls: box.urls || [],
      engine: box.engine || 'wikipedia',
    }));
    
    return {
      success: true,
      query: data.query || query,
      resultCount: results.length,
      totalResults: data.number_of_results || results.length,
      results,
      infoboxes: infoboxes.length > 0 ? infoboxes : undefined,
      unresponsiveEngines: data.unresponsive_engines || [],
    };
    
  } catch (error) {
    return {
      success: false,
      error: error.message,
      query,
    };
  }
}

// CLI execution
if (require.main === module) {
  const args = JSON.parse(process.argv[2] || '{}');
  searxSearch(args).then(result => {
    console.log(JSON.stringify(result, null, 2));
  }).catch(error => {
    console.error(JSON.stringify({ success: false, error: error.message }));
    process.exit(1);
  });
}

module.exports = { searxSearch };