Replace stub CLI with real compression engine

bolt_compress/cli.py

@@ -0,0 +1,96 @@
+#!/usr/bin/env python3
+"""Command-line interface for Bolt-Compress."""
+import argparse
+import sys
+from pathlib import Path
+
+from .media import classify_path, find_ffmpeg_tools, human_size
+from .models import ImageOptions, VideoOptions, MediaKind
+from .processing import compress_image, compress_video
+
+
+def _collect_inputs(paths):
+    """Expand directories into media files."""
+    files = []
+    for raw in paths:
+        p = Path(raw)
+        if p.is_dir():
+            for child in sorted(p.rglob("*")):
+                if child.is_file() and classify_path(child):
+                    files.append(child)
+        elif p.is_file() and classify_path(p):
+            files.append(p)
+        else:
+            print(f"Skipping unsupported file: {raw}", file=sys.stderr)
+    return files
+
+
+def _output_path(source: Path, output_dir: Path | None) -> Path:
+    if output_dir:
+        return output_dir / source.name
+    return source.with_name(source.stem + "_compressed" + source.suffix)
+
+
+def main():
+    parser = argparse.ArgumentParser(description="Compress media files from the command line.")
+    parser.add_argument("input", nargs="+", help="Files or directories to compress")
+    parser.add_argument("-o", "--output", help="Output directory")
+    parser.add_argument("-q", "--quality", type=int, default=80, help="Compression quality (1-100)")
+    parser.add_argument("--batch", action="store_true", help="Process files in batch mode")
+    parser.add_argument("--format", choices=["original", "jpeg", "webp", "png"], default="original", help="Output image format")
+    parser.add_argument("--codec", choices=["h264", "h265", "vp9", "av1"], default="h264", help="Video codec")
+    parser.add_argument("--resize", choices=["original", "fit", "percent"], default="original", help="Image resize mode")
+    parser.add_argument("--max-width", type=int, default=1920, help="Max width for fit resize")
+    parser.add_argument("--max-height", type=int, default=1080, help="Max height for fit resize")
+    parser.add_argument("--scale", type=int, default=80, help="Scale percent for percent resize")
+    parser.add_argument("--keep-metadata", action="store_true", help="Preserve metadata")
+    args = parser.parse_args()
+
+    files = _collect_inputs(args.input)
+    if not files:
+        print("No supported media files found.", file=sys.stderr)
+        return 1
+
+    output_dir = Path(args.output) if args.output else None
+    if output_dir:
+        output_dir.mkdir(parents=True, exist_ok=True)
+
+    tools = find_ffmpeg_tools()
+    image_opts = ImageOptions(
+        output_format=args.format,
+        quality=args.quality,
+        resize_mode=args.resize,
+        max_width=args.max_width,
+        max_height=args.max_height,
+        scale_percent=args.scale,
+        keep_metadata=args.keep_metadata,
+    )
+    video_opts = VideoOptions(
+        codec=args.codec,
+        quality=args.quality,
+        keep_metadata=args.keep_metadata,
+    )
+
+    total = len(files)
+    succeeded = 0
+    for i, source in enumerate(files, 1):
+        kind = classify_path(source)
+        dest = _output_path(source, output_dir)
+        print(f"[{i}/{total}] {source.name} -> {dest.name}")
+        try:
+            if kind == MediaKind.IMAGE:
+                compress_image(source, dest, image_opts)
+            else:
+                compress_video(source, dest, video_opts, tools)
+            saved = source.stat().st_size - dest.stat().st_size
+            print(f"  Done: {human_size(source.stat().st_size)} -> {human_size(dest.stat().st_size)} (saved {human_size(max(0, saved))})")
+            succeeded += 1
+        except Exception as exc:
+            print(f"  Failed: {exc}", file=sys.stderr)
+
+    print(f"\n{succeeded}/{total} files compressed successfully.")
+    return 0 if succeeded == total else 1
+
+
+if __name__ == "__main__":
+    sys.exit(main())