From 198cc9bb852730a12db6f0e70a10eef49fd01669 Mon Sep 17 00:00:00 2001
From: Mika <kontakt@donau2space.de>
Date: Sun, 15 Mar 2026 03:07:37 +0000
Subject: [PATCH] Add log_handler/src/log_handler/cli.py

---
 log_handler/src/log_handler/cli.py | 65 ++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 log_handler/src/log_handler/cli.py

diff --git a/log_handler/src/log_handler/cli.py b/log_handler/src/log_handler/cli.py
new file mode 100644
index 0000000..2595d46
--- /dev/null
+++ b/log_handler/src/log_handler/cli.py
@@ -0,0 +1,65 @@
+import argparse
+import json
+import logging
+from pathlib import Path
+from typing import Any, List
+
+from log_handler import core
+
+
+def _setup_logger() -> None:
+    logging.basicConfig(
+        level=logging.INFO,
+        format="%(asctime)s [%(levelname)s] %(message)s",
+    )
+
+
+def _validate_input_file(file_path: str) -> Path:
+    path = Path(file_path)
+    if not path.exists() or not path.is_file():
+        raise FileNotFoundError(f"Logdatei nicht gefunden: {file_path}")
+    return path
+
+
+def _write_output(data: List[Any], output_path: Path) -> None:
+    try:
+        with output_path.open('w', encoding='utf-8') as f:
+            json.dump([d.__dict__ if hasattr(d, '__dict__') else d for d in data], f, indent=2)
+        logging.info(f"Ergebnis geschrieben nach: {output_path}")
+    except Exception as e:
+        logging.error(f"Fehler beim Schreiben der Ausgabedatei: {e}")
+        raise
+
+
+def main() -> None:
+    _setup_logger()
+
+    parser = argparse.ArgumentParser(description="CLI für den Langzeitbelichtung Log Analyzer")
+    parser.add_argument("--input", required=True, help="Pfad zur Logdatei, die analysiert werden soll.")
+    parser.add_argument("--output", required=False, help="Pfad für das Ausgabe-JSON mit den analysierten Daten.")
+
+    args = parser.parse_args()
+
+    try:
+        log_file = _validate_input_file(args.input)
+        logging.info(f"Analysiere Logdatei: {log_file}")
+
+        parsed_data = core.parse_log_file(str(log_file))
+        assert isinstance(parsed_data, list), "parse_log_file muss eine Liste zurückgeben."
+
+        if args.output:
+            output_path = Path(args.output)
+        else:
+            output_path = Path("output/parsed_data.json")
+            output_path.parent.mkdir(parents=True, exist_ok=True)
+
+        _write_output(parsed_data, output_path)
+        logging.info("Analyse abgeschlossen.")
+
+    except Exception as err:
+        logging.error(f"Fehler bei der Ausführung: {err}")
+        raise SystemExit(1)
+
+
+if __name__ == "__main__":
+    main()