refactor: adapt metadata writer

scripts/write_metadata.py

@@ -0,0 +1,45 @@
+#!/usr/bin/env python3
+
+import argparse
+import logging
+import sys
+
+from src.metadata_writer import MetadataWriter
+
+
+def main():
+    logging.basicConfig(
+        level=logging.INFO,
+        format="[%(levelname)s] %(message)s"
+    )
+
+    parser = argparse.ArgumentParser(
+        description="Write metadata from JSON to video files"
+    )
+    parser.add_argument(
+        "json_file",
+        help="Path to input JSON metadata file"
+    )
+    parser.add_argument(
+        "-o", "--output",
+        help="Path of the output directory"
+    )
+    parser.add_argument(
+        "-s", "--source",
+        help="Source directory (overrides automatic detection)"
+    )
+    args = parser.parse_args()
+
+    json_file = args.json_file
+    output_dir = args.output
+    source_dir = args.source
+
+    writer: MetadataWriter = MetadataWriter()
+
+    success: bool = writer.process_metadata(json_file, source_dir, output_dir)
+
+    if not success:
+        sys.exit(1)
+
+if __name__ == "__main__":
+    main()