"use strict";
// =============================================================================
// Pure web-search API via DuckDuckGo HTML endpoint. No API key required.
// =============================================================================
Object.defineProperty(exports, "__esModule", { value: true });
exports.webSearch = webSearch;
async function webSearch(query) {
    const trimmed = query.trim();
    if (!trimmed)
        return { error: 'No query provided' };
    const url = `https://html.duckduckgo.com/html/?q=${encodeURIComponent(trimmed)}`;
    try {
        const res = await fetch(url, {
            headers: {
                'User-Agent': 'Mozilla/5.0 (compatible; VIBN-Atlas/1.0)',
                Accept: 'text/html',
            },
            signal: AbortSignal.timeout(15000),
        });
        if (!res.ok) {
            return { error: `Search failed with status ${res.status}` };
        }
        const html = await res.text();
        const titles = [];
        for (const m of html.matchAll(/class="result__a"[^>]*href="[^"]*"[^>]*>(.*?)<\/a>/gs)) {
            const title = m[1].replace(/<[^>]+>/g, '').trim();
            if (title)
                titles.push(title);
        }
        const snippets = [];
        for (const m of html.matchAll(/class="result__snippet"[^>]*>(.*?)<\/a>/gs)) {
            const snippet = m[1].replace(/<[^>]+>/g, '').trim();
            if (snippet)
                snippets.push(snippet);
        }
        const count = Math.min(6, Math.max(titles.length, snippets.length));
        const results = [];
        for (let i = 0; i < count; i++) {
            const title = titles[i] || '';
            const snippet = snippets[i] || '';
            if (title || snippet)
                results.push(`**${title}**\n${snippet}`);
        }
        if (results.length === 0)
            return { error: 'No results found' };
        const text = results.join('\n\n');
        const truncated = text.length > 5000 ? text.slice(0, 5000) + '\n\n[...results truncated]' : text;
        return { query: trimmed, results: truncated };
    }
    catch (err) {
        const message = err instanceof Error ? err.message : String(err);
        return { error: `Search request failed: ${message}` };
    }
}