fix: crash, design for playlists

crash was caused by indices not updating correctly

web/src/components/main/PlaylistsComponent.vue

@@ -4,8 +4,15 @@
 </script>
 
 <template>
-    <div>
+    <div class="playlist-main">
         <h1>Playlists</h1>
         <UserPlaylists />
     </div>
 </template>
+
+<style lang="scss" scoped>
+.playlist-main {
+    height: 100%;
+    width: 100%;
+}
+</style>

web/src/components/main/SmallPlayerComponent.vue

@@ -28,7 +28,7 @@
     };
 
     const song: ComputedRef<Song> = computed( () => {
-        if ( queueIdx.value >= 0 ) {
+        if ( queueIdx.value >= 0 && queue.value.length > queueIdx.value ) {
             return queue.value[ queueIdx.value ]!;
         } else {
             return {

web/src/components/playlists/UserPlaylists.vue

@@ -69,17 +69,18 @@
 <template>
     <div class="playlists">
         <AddPlaylist v-model="showAddPlaylist" @add-playlist="addPlaylist" />
-        <div v-if="checkingStatus">
+        <div v-if="checkingStatus" class="playlist-wrapper">
             Loading{{ '.'.repeat( dots ) }}
         </div>
-        <div v-else-if="playlists.length === 0">
+        <div v-else-if="playlists.length === 0" class="playlist-wrapper">
             No playlists
             <button @click="openAddPlaylistPopup">
                 <i class="fa-solid fa-plus"></i>
                 Add one
             </button>
         </div>
-        <div v-else>
+        <div v-else class="playlist-wrapper">
+            <div class="playlist-actions">
                 <button @click="openAddPlaylistPopup">
                     <i class="fa-solid fa-plus"></i>
                     Add Playlist
@@ -92,7 +93,10 @@
                     <i class="fa-solid fa-rotate"></i>
                     Undo unsaved changes
                 </button>
-            <div v-for="(playlist, index) in playlists" :key="index">
+            </div>
+            <div class="playlist-container">
+                <div v-for="(playlist, index) in playlists" :key="index" class="playlist">
+                    <i class="fa-solid fa-circle-play" @click="() => selectPlaylist( index )"></i>
                     <input v-if="editingPlaylists[ index ]" v-model="playlist.name" type="text">
                     <h2 v-else @click="() => selectPlaylist( index )">
                         {{ playlist.name }}
@@ -102,4 +106,9 @@
                 </div>
             </div>
         </div>
+    </div>
 </template>
+
+<style lang="scss" scoped>
+    @use '@/scss/components/playlists.scss';
+</style>

web/src/scss/components/playlists.scss

@@ -0,0 +1,55 @@
+.playlists {
+  height: 100%;
+  width: 100%;
+  position: relative;
+
+  >.playlist-wrapper {
+    width: 100%;
+    height: 100%;
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    justify-content: center;
+
+    >.playlist-container {
+      width: 100%;
+      height: 100%;
+      display: flex;
+      align-items: center;
+      flex-direction: column;
+      overflow-x: scroll;
+
+      >.playlist {
+        width: 50%;
+        display: flex;
+        justify-content: center;
+        align-items: center;
+        padding: 10px;
+        height: 3rem;
+
+        >h2, >input {
+          margin: 0;
+          margin-right: auto;
+          margin-left: 10px;
+          width: 100%;
+          text-align: start;
+          cursor: pointer;
+        }
+        >input {
+          margin-right: auto;
+          margin-left: 10px;
+          width: 50%;
+          min-width: 200px;
+        }
+
+        >.fa-circle-play {
+          font-size: 1.5rem;
+        }
+
+        >.fa-solid {
+          cursor: pointer;
+        }
+      }
+    }
+  }
+}

web/src/scss/components/sortablelist.scss

@@ -23,6 +23,7 @@
 
     &.moving {
       position: fixed;
+      user-select: none;
     }
 
     >i {

web/src/ts/shared/index.ts

@@ -43,7 +43,12 @@ const connect = (): Promise<void> => {
             currentQueueIdx.value = data.state.index;
             isPlaying.value = data.state.playing;
             startTime.value = data.state.start;
+
+            if ( data.playlist.length === 0 )
+                playbackTime.value = 0;
+            else
                 playbackTime.value = data.state.offset;
+
             playbackOffset.value = data.state.offset;
             playbackProgress.value = data.state.offset / ( data.playlist[ data.state.index ]?.duration ?? -1 );
             resolve();

web/src/views/SharedView.vue

@@ -44,7 +44,7 @@
         }, 250 );
     } );
     const song: ComputedRef<Song> = computed( () => {
-        if ( currentQueueIdx.value >= 0 )
+        if ( currentQueueIdx.value >= 0 && currentQueue.value.length > currentQueueIdx.value )
             return currentQueue.value[currentQueueIdx.value]!;
         else
             return {
@@ -68,7 +68,7 @@
             <ProgressBar v-model="playbackProgress" :disallow-move="true" />
             <div class="time">
                 <p class="current">
-                    {{ beautifyTime( playbackTime ) }}
+                    {{ beautifyTime( song.duration >= 0 ? playbackTime : -1 ) }}
                 </p>
                 <p class="duration">
                     {{ beautifyTime( song.duration ) }}