#!/usr/bin/env python3
"""
Create platform-specific icon files from LocalTranscription.png
Generates .ico (Windows) and .icns (macOS) from the PNG source.
"""

from PIL import Image
import sys
from pathlib import Path

def create_ico(png_path, ico_path):
    """Create Windows ICO file from PNG."""
    img = Image.open(png_path)

    # ICO files typically contain multiple sizes
    # Windows uses 16, 32, 48, 256 pixel sizes
    sizes = [(16, 16), (32, 32), (48, 48), (256, 256)]

    # Create list of resized images
    icons = []
    for size in sizes:
        resized = img.resize(size, Image.Resampling.LANCZOS)
        icons.append(resized)

    # Save as ICO
    img.save(ico_path, format='ICO', sizes=sizes)
    print(f"✓ Created {ico_path}")

def create_iconset_for_icns(png_path, iconset_dir):
    """Create .iconset directory with all required sizes for macOS ICNS."""
    img = Image.open(png_path)

    # macOS requires these specific sizes and naming
    sizes = {
        'icon_16x16.png': (16, 16),
        'icon_16x16@2x.png': (32, 32),
        'icon_32x32.png': (32, 32),
        'icon_32x32@2x.png': (64, 64),
        'icon_128x128.png': (128, 128),
        'icon_128x128@2x.png': (256, 256),
        'icon_256x256.png': (256, 256),
        'icon_256x256@2x.png': (512, 512),
        'icon_512x512.png': (512, 512),
        'icon_512x512@2x.png': (1024, 1024),
    }

    iconset_dir.mkdir(exist_ok=True)

    for filename, size in sizes.items():
        resized = img.resize(size, Image.Resampling.LANCZOS)
        output_path = iconset_dir / filename
        resized.save(output_path, format='PNG')

    print(f"✓ Created iconset directory: {iconset_dir}")
    print("  To create ICNS on macOS, run:")
    print(f"  iconutil -c icns {iconset_dir}")

def main():
    """Main function to create all icon files."""
    script_dir = Path(__file__).parent
    png_path = script_dir / "LocalTranscription.png"

    if not png_path.exists():
        print(f"✗ Error: {png_path} not found!")
        sys.exit(1)

    print("Creating platform-specific icons from LocalTranscription.png...")
    print("=" * 60)

    # Create Windows ICO
    ico_path = script_dir / "LocalTranscription.ico"
    create_ico(png_path, ico_path)

    # Create macOS iconset (need iconutil on macOS to convert to ICNS)
    iconset_dir = script_dir / "LocalTranscription.iconset"
    create_iconset_for_icns(png_path, iconset_dir)

    print("=" * 60)
    print("✓ Icon creation complete!")
    print()
    print("Files created:")
    print(f"  - {ico_path} (Windows)")
    print(f"  - {iconset_dir}/ (macOS - needs iconutil)")
    print()
    print("Note: On macOS, run this to create .icns:")
    print(f"  iconutil -c icns {iconset_dir}")

if __name__ == "__main__":
    main()