/**
 * Google adapter utilities.
 * Shared RSS parser for news and trends commands.
 */
/**
 * Parse RSS XML by splitting into <item> blocks, then extracting fields per block.
 * Handles both plain text and CDATA-wrapped content.
 */
export function parseRssItems(xml, fields) {
    const items = xml.match(/<item>([\s\S]*?)<\/item>/g) || [];
    return items.map(block => {
        const record = {};
        for (const field of fields) {
            // Escape regex special characters in field name (e.g. ht:approx_traffic is safe, but defensive)
            const escaped = field.replace(/[.*+?^${}()|[\]\\]/g, '\\$&');
            // Handle tags with attributes (e.g. <source url="...">text</source>) and CDATA wrapping
            // (?:\s[^>]*)? ensures we don't match prefix tags (e.g. <sourceUrl> when looking for <source>)
            const match = block.match(new RegExp(`<${escaped}(?:\\s[^>]*)?>(?:<!\\[CDATA\\[)?([\\s\\S]*?)(?:\\]\\]>)?</${escaped}>`));
            record[field] = match ? match[1].trim() : '';
        }
        return record;
    });
}