const { mongoose } = require('../db-connection');

/**
 * Returns { text, html } for a staff member's signature.
 * Returns { text: '', html: '' } if no signature is set.
 */
async function getStaffSignatureBlocks(userId) {
  const StaffSignature = mongoose.model('StaffSignature');
  const sig = await StaffSignature.findOne({ userId }).lean();
  if (!sig || (!sig.valediction && !sig.displayName && !sig.tagline)) {
    return { text: '', html: '' };
  }

  const lines = [];
  if (sig.valediction) lines.push(sig.valediction);
  if (sig.displayName) lines.push(sig.displayName);
  if (sig.tagline) lines.push(sig.tagline);

  const text = lines.join('\n');
  const html = lines.map(l => `<div>${l}</div>`).join('');

  return { text, html };
}

module.exports = { getStaffSignatureBlocks };