"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const registry_1 = require("./registry");
/**
 * Web search via DuckDuckGo HTML endpoint.
 * No API key required. Scrapes result snippets and titles.
 * Atlas uses this for competitor research, market context, pricing models, etc.
 */
(0, registry_1.registerTool)({
    name: 'web_search',
    description: 'Search the web for current information. Use this to research competitors, market trends, pricing models, existing solutions, technology choices, or any topic the user mentions that would benefit from real-world context. Returns a summary of top search results.',
    parameters: {
        type: 'object',
        properties: {
            query: {
                type: 'string',
                description: 'The search query. Be specific — e.g. "SaaS project management tools pricing 2024" rather than just "project management".'
            }
        },
        required: ['query']
    },
    async handler(args) {
        const query = String(args.query).trim();
        if (!query)
            return { error: 'No query provided' };
        const url = `https://html.duckduckgo.com/html/?q=${encodeURIComponent(query)}`;
        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 ${res.status}` };
            }
            const html = await res.text();
            // Extract result titles and snippets from DuckDuckGo HTML
            const results = [];
            // Match result titles
            const titleMatches = html.matchAll(/class="result__a"[^>]*href="[^"]*"[^>]*>(.*?)<\/a>/gs);
            const titles = [];
            for (const m of titleMatches) {
                const title = m[1].replace(/<[^>]+>/g, '').trim();
                if (title)
                    titles.push(title);
            }
            // Match result snippets
            const snippetMatches = html.matchAll(/class="result__snippet"[^>]*>(.*?)<\/a>/gs);
            const snippets = [];
            for (const m of snippetMatches) {
                const snippet = m[1].replace(/<[^>]+>/g, '').trim();
                if (snippet)
                    snippets.push(snippet);
            }
            // Combine up to 6 results
            const count = Math.min(6, Math.max(titles.length, snippets.length));
            for (let i = 0; i < count; i++) {
                const title = titles[i] || '';
                const snippet = snippets[i] || '';
                if (title || snippet) {
                    results.push(`**${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, results: truncated };
        }
        catch (err) {
            const message = err instanceof Error ? err.message : String(err);
            return { error: `Search request failed: ${message}` };
        }
    }
});