From ee5bf6515726c24825b8289594d4edeedace5db9 Mon Sep 17 00:00:00 2001
From: Mika <kontakt@donau2space.de>
Date: Sun, 8 Feb 2026 03:06:32 +0000
Subject: [PATCH] Add audio_visualizer/src/audio_visualizer/cli.py

---
 audio_visualizer/src/audio_visualizer/cli.py | 51 ++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 audio_visualizer/src/audio_visualizer/cli.py

diff --git a/audio_visualizer/src/audio_visualizer/cli.py b/audio_visualizer/src/audio_visualizer/cli.py
new file mode 100644
index 0000000..1389eb0
--- /dev/null
+++ b/audio_visualizer/src/audio_visualizer/cli.py
@@ -0,0 +1,51 @@
+import argparse
+import logging
+from pathlib import Path
+from audio_visualizer.core import generate_visualization
+
+
+logger = logging.getLogger(__name__)
+logging.basicConfig(level=logging.INFO, format='[%(levelname)s] %(message)s')
+
+
+def _parse_args() -> argparse.Namespace:
+    parser = argparse.ArgumentParser(
+        description="Echo der Wellen – Visualisierung von Audio- oder Sensordaten"
+    )
+    parser.add_argument(
+        "--input",
+        required=True,
+        help="Pfad zur Eingabedatei (CSV oder Audiodatei)."
+    )
+    parser.add_argument(
+        "--output",
+        required=False,
+        help="Pfad zur Ausgabedatei (PNG). Optional."
+    )
+    return parser.parse_args()
+
+
+def main() -> None:
+    """Kommandozeilenschnittstelle für den Audio Visualizer."""
+    args = _parse_args()
+
+    input_path = Path(args.input)
+    if not input_path.exists():
+        raise FileNotFoundError(f"Eingabedatei nicht gefunden: {input_path}")
+
+    output_path = args.output
+    if output_path:
+        out_dir = Path(output_path).parent
+        out_dir.mkdir(parents=True, exist_ok=True)
+
+    logger.info("Starte Visualisierung: %s", input_path)
+    try:
+        generate_visualization(str(input_path))
+        logger.info("Visualisierung abgeschlossen.")
+    except Exception as e:
+        logger.error("Fehler bei der Visualisierung: %s", e)
+        raise
+
+
+if __name__ == "__main__":
+    main()
\ No newline at end of file