Initial commit of BGMusic

Controller.py

@@ -0,0 +1,96 @@
+import os
+import subprocess
+import paho.mqtt.client as mqtt # type: ignore
+import time
+import threading
+
+current_process = None
+
+def on_message(client, userdata, message):
+    global current_process
+    global playlists
+
+    topic = message.topic
+    payload = message.payload.decode().strip()
+    print(f"📡 MQTT: {topic} → {payload}")
+
+    if topic == "playlist/set":
+        playlist_name = payload
+        playlist_path = playlists.get(playlist_name)
+        
+        if not playlist_path or not os.path.exists(playlist_path):
+            print(f"❌ Playlist '{playlist_name}' not found.")
+            return
+    
+        if current_process and current_process.poll() is None:
+            print("🛑 Stopping current playlist...")
+            current_process.terminate()
+            current_process.wait()
+            
+        print(f"🎧 Starting playlist: {playlist_name}")
+        current_process = subprocess.Popen(["python3", "Playlist.py", playlist_path],stdin=subprocess.PIPE)
+
+    
+    #elif topic == "player/toggle":                                     NOTE: Left in for the "Just in case" scenario. 
+        #if current_process and current_process.poll() is None:         NOTE: Audio "pausing" is handled by AHM fading to 0%
+            #print(f"⏯ Sending toggle: {payload}")
+            #current_process.stdin.write((payload + "\n").encode())
+            #current_process.stdin.flush()
+        #return
+    
+    elif topic == "player/skip":
+        if current_process and current_process.poll() is None:
+            print("⏩ Skipping current song...")
+            current_process.stdin.write(b"skip\n")
+            current_process.stdin.flush()
+        return
+
+
+
+
+client = mqtt.Client()
+client.on_message = on_message
+client.connect("localhost", 1883)
+client.subscribe("playlist/set")
+#client.subscribe("player/toggle") NOTE: Play/pause toggle
+client.subscribe("player/skip")
+client.loop_start()
+
+playlist_dir = "/home/media/Scripts/BGMusic/Playlists"
+
+playlists = {
+    "Worship": os.path.join(playlist_dir, "Worship.txt"),
+    "Praise": os.path.join(playlist_dir, "Praise.txt"),
+    "Instrumental": os.path.join(playlist_dir, "Instrumental.txt")
+}
+
+
+selected = "Worship" #default playlist
+
+playlist_path = playlists.get(selected)
+
+if not playlist_path or not os.path.exists(playlist_path):
+    print("Playlist not found!")
+    exit(1)
+
+current_process = subprocess.Popen(["python3","Playlist.py",playlist_path], stdin=subprocess.PIPE)
+
+def listen_for_local_q():
+    while True:
+        key = input().strip()
+        if key.lower() == "q":
+            if current_process and current_process.poll() is None:
+                print("🛑 Sending 'q' to playlist subprocess")
+                current_process.stdin.write(b"q\n")
+                current_process.stdin.flush()
+
+threading.Thread(target=listen_for_local_q, daemon=True).start()
+
+try:
+    while True:
+        if current_process and current_process.poll() is not None:
+            print("🛑 Playlist process ended. Exiting controller.")
+            break
+        time.sleep(0.1)
+except KeyboardInterrupt:
+    print("\n👋 Exiting on Ctrl+C.")