#!/bin/bash
set -e

SOURCE_ICON="$1"
ICONSET_DIR="AppIcon.iconset"

if [ -z "$SOURCE_ICON" ]; then
    echo "Usage: $0 <source_icon_path>"
    exit 1
fi

mkdir -p "$ICONSET_DIR"

# Resize to standard icon sizes
sips -z 16 16     -s format png "$SOURCE_ICON" --out "$ICONSET_DIR/icon_16x16.png"
sips -z 32 32     -s format png "$SOURCE_ICON" --out "$ICONSET_DIR/icon_16x16@2x.png"
sips -z 32 32     -s format png "$SOURCE_ICON" --out "$ICONSET_DIR/icon_32x32.png"
sips -z 64 64     -s format png "$SOURCE_ICON" --out "$ICONSET_DIR/icon_32x32@2x.png"
sips -z 128 128   -s format png "$SOURCE_ICON" --out "$ICONSET_DIR/icon_128x128.png"
sips -z 256 256   -s format png "$SOURCE_ICON" --out "$ICONSET_DIR/icon_128x128@2x.png"
sips -z 256 256   -s format png "$SOURCE_ICON" --out "$ICONSET_DIR/icon_256x256.png"
sips -z 512 512   -s format png "$SOURCE_ICON" --out "$ICONSET_DIR/icon_256x256@2x.png"
sips -z 512 512   -s format png "$SOURCE_ICON" --out "$ICONSET_DIR/icon_512x512.png"
sips -z 1024 1024 -s format png "$SOURCE_ICON" --out "$ICONSET_DIR/icon_512x512@2x.png"

# Convert to icns
iconutil -c icns "$ICONSET_DIR"

# Cleanup
rm -rf "$ICONSET_DIR"

echo "AppIcon.icns created successfully."