var ev = data.eventType || 'Unknown';
if (ev === 'Test') {
  result = { version: 'v2', plain: '🧪 Lidarr: Connection test successful', msgtype: 'm.notice' };
} else {
  var artist = (data.artist && data.artist.name) || 'Unknown Artist';
  var albums = data.albums || (data.album ? [data.album] : []);
  var albumStr = albums.map(function(a){ return a.title || ''; }).filter(Boolean).join(', ');
  var quality = (data.release && data.release.quality) || (data.trackFiles && data.trackFiles[0] && data.trackFiles[0].quality) || '';
  var releaseGroup = (data.release && data.release.releaseGroup) || '';
  var client = data.downloadClient || '';
  var upgrade = data.isUpgrade ? ' \u2191upgrade' : '';
  var healthMsg = data.message || '';
  var healthWiki = data.wikiUrl || '';
  var prevVer = data.previousVersion || '';
  var newVer = data.newVersion || '';
  var emojiMap = { 'Grab':'📥','Download':'✅','Rename':'✏️','ArtistAdd':'➕','ArtistDelete':'🗑️','AlbumAdd':'➕','AlbumDelete':'🗑️','TrackFileDelete':'🗑️','HealthIssue':'⚠️','HealthRestored':'💚','ApplicationUpdate':'🔄' };
  var emoji = emojiMap[ev] || '🎵';
  var plain, html;
  if (ev === 'HealthIssue' || ev === 'HealthRestored') {
    plain = emoji + ' Lidarr ' + ev + ': ' + healthMsg + (healthWiki ? '\n' + healthWiki : '');
    html = '<b>' + emoji + ' Lidarr ' + ev + '</b>: ' + healthMsg + (healthWiki ? '<br><a href="' + healthWiki + '">Wiki</a>' : '');
  } else if (ev === 'ApplicationUpdate') {
    plain = emoji + ' Lidarr updated: ' + prevVer + ' \u2192 ' + newVer;
    html = '<b>' + emoji + ' Lidarr updated</b>: ' + prevVer + ' \u2192 ' + newVer;
  } else if (ev === 'ArtistAdd' || ev === 'ArtistDelete') {
    plain = emoji + ' Lidarr ' + ev + ': ' + artist;
    html = '<b>' + emoji + ' Lidarr ' + ev + '</b>: ' + artist;
  } else {
    var albumPart = albumStr ? ' \u2014 ' + albumStr : '';
    var qualPart = quality ? ' [' + quality + ']' : '';
    var groupPart = releaseGroup ? ' {' + releaseGroup + '}' : '';
    var clientPart = client ? ' via ' + client : '';
    plain = emoji + ' Lidarr ' + ev + ': ' + artist + albumPart + qualPart + groupPart + upgrade + clientPart;
    html = '<b>' + emoji + ' Lidarr ' + ev + '</b>: ' + artist + (albumStr ? ' \u2014 <i>' + albumStr + '</i>' : '') + qualPart + groupPart + upgrade + clientPart;
  }
  result = { version: 'v2', plain: plain, html: html, msgtype: 'm.notice' };
}