Mobile pass on media and script cleanup

assets/js/lastfm-utils.js

@@ -0,0 +1,68 @@
+// Shared Last.fm utilities - using global namespace pattern
+(function(window) {
+  'use strict';
+
+  // Create global LastFmUtils namespace
+  window.LastFmUtils = {
+    // Last.fm API configuration
+    LASTFM_API_URL: "https://ws.audioscrobbler.com/2.0/",
+    LASTFM_USER: "ritualplays",
+    LASTFM_API_KEY: "3a4fef48fecc593d25e0f9a40df1fefe",
+
+    // Format time difference
+    getTimeAgo: function(timestamp) {
+      const now = Date.now() / 1000;
+      const diff = now - timestamp;
+
+      if (diff < 60) return "Just now";
+      if (diff < 3600) return `${Math.floor(diff / 60)}m ago`;
+      if (diff < 86400) return `${Math.floor(diff / 3600)}h ago`;
+      if (diff < 604800) return `${Math.floor(diff / 86400)}d ago`;
+      return `${Math.floor(diff / 604800)}w ago`;
+    },
+
+    // Fetch recent tracks from Last.fm
+    fetchRecentTracks: async function(limit = 10) {
+      const url = `${this.LASTFM_API_URL}?method=user.getrecenttracks&user=${this.LASTFM_USER}&api_key=${this.LASTFM_API_KEY}&format=json&limit=${limit}`;
+
+      try {
+        const response = await fetch(url);
+        if (!response.ok) throw new Error("Failed to fetch tracks");
+
+        const data = await response.json();
+        return data.recenttracks.track;
+      } catch (error) {
+        console.error("Error fetching Last.fm data:", error);
+        return null;
+      }
+    },
+
+    // Filter tracks to remove duplicates of now playing track
+    // Returns a limited number of unique tracks
+    filterAndLimitTracks: function(tracks, maxTracks = 5) {
+      if (!tracks || tracks.length === 0) {
+        return [];
+      }
+
+      // Check if first track is now playing
+      const hasNowPlaying = tracks[0] && tracks[0]["@attr"] && tracks[0]["@attr"].nowplaying;
+
+      if (hasNowPlaying) {
+        // Show now playing + (maxTracks - 1) latest (excluding duplicates of now playing)
+        const nowPlayingTrack = tracks[0];
+        const nowPlayingId = `${nowPlayingTrack.name}-${nowPlayingTrack.artist["#text"]}`;
+
+        // Get remaining tracks, excluding duplicates of now playing
+        const remainingTracks = tracks.slice(1).filter(track => {
+          const trackId = `${track.name}-${track.artist["#text"]}`;
+          return trackId !== nowPlayingId;
+        });
+
+        return [nowPlayingTrack, ...remainingTracks.slice(0, maxTracks - 1)];
+      } else {
+        // No now playing, show maxTracks latest
+        return tracks.slice(0, maxTracks);
+      }
+    }
+  };
+})(window);