fix: update artist and track default values, improve cover URL generation

src/components/now-playing.vue

@@ -10,8 +10,8 @@ const lastfmapi = import.meta.env.VITE_LASTFM_API
 const lastfmusername = 'snsxd'
 
 const header = ref('silence...')
-const artist = ref('artist')
-const track = ref('track')
+const artist = ref('today...')
+const track = ref("we're silnce...")
 const labelurl = ref('/public/default-cover.png')
 
 // colors
@@ -30,6 +30,16 @@ async function checkNowPlaying(api: string, username: string) {
   }
 }
 
+async function changeCover(artist: string, album: string, mbid: string): Promise<string> {
+  try {
+    const result = `${backendUrl}/cover/${artist.replace('/', '')}/${album}/${mbid ? mbid : '0'}`
+    return result
+  } catch (err) {
+    console.error('Error while changing track cover:', err)
+    return '/public/default-cover.png'
+  }
+}
+
 let timerId: ReturnType<typeof setTimeout>
 
 onMounted(() => {
@@ -45,14 +55,18 @@ onMounted(() => {
         if (artist.value != trackData[0].artist['#text'])
           ChangeTitle(artist, artist.value, trackData[0].artist['#text'])
         if (track.value != trackData[0].name) {
-          labelurl.value = `${backendUrl}/cover/${trackData[0].artist['#text'].replace('/', '')}/${trackData[0].album['#text']}/${trackData[0].album.mbid ? trackData[0].album.mbid : '0'}`
+          labelurl.value = await changeCover(
+            trackData[0].artist['#text'],
+            trackData[0].album['#text'],
+            trackData[0].album.mbid,
+          )
           console.log(labelurl.value)
           ChangeTitle(track, track.value, trackData[0].name)
         }
       } else {
         if (header.value !== 'silence...') ChangeTitle(header, header.value, 'silence...')
         primary_color.value = '#656565'
-        labelurl.value = `${backendUrl}/cover/0/0/0`
+        labelurl.value = '/public/default-cover.png'
         if (artist.value != trackData[0].artist['#text'])
           ChangeTitle(artist, artist.value, trackData[0].artist['#text'])
         if (track.value != trackData[0].name) ChangeTitle(track, track.value, trackData[0].name)