"""
Resize all PNG assets to 40% for Tiled Map Editor
Scans all subfolders in assets/ and resizes images
"""
import os
from PIL import Image
from pathlib import Path

# Configurations
SOURCE_DIR = r"c:\novafarma\assets"
OUTPUT_DIR = r"c:\novafarma\Slike_za_Tiled"
SCALE_FACTOR = 0.4  # 40% of original size

def resize_images():
    """Resize all PNG images to 40% and save to Slike_za_Tiled"""
    
    # Create output directory
    os.makedirs(OUTPUT_DIR, exist_ok=True)
    
    # Track statistics
    processed = 0
    skipped = 0
    errors = []
    
    print(f"🔍 Scanning {SOURCE_DIR} for PNG files...")
    print(f"📁 Output directory: {OUTPUT_DIR}")
    print(f"📏 Scale factor: {SCALE_FACTOR * 100}%\n")
    
    # Walk through all subdirectories
    for root, dirs, files in os.walk(SOURCE_DIR):
        for filename in files:
            if filename.lower().endswith('.png'):
                source_path = os.path.join(root, filename)
                
                # Create unique output filename (flat structure)
                # Use relative path to create unique name
                rel_path = os.path.relpath(source_path, SOURCE_DIR)
                output_filename = rel_path.replace(os.sep, '_')
                output_path = os.path.join(OUTPUT_DIR, output_filename)
                
                try:
                    # Open and resize image
                    with Image.open(source_path) as img:
                        original_size = img.size
                        new_size = (
                            int(img.width * SCALE_FACTOR),
                            int(img.height * SCALE_FACTOR)
                        )
                        
                        # Resize with high-quality resampling
                        resized_img = img.resize(new_size, Image.Resampling.LANCZOS)
                        
                        # Save resized image
                        resized_img.save(output_path, 'PNG', optimize=True)
                        
                        processed += 1
                        if processed % 50 == 0:
                            print(f"✅ Processed {processed} images...")
                        
                except Exception as e:
                    errors.append(f"{filename}: {str(e)}")
                    skipped += 1
    
    # Print summary
    print(f"\n{'='*60}")
    print(f"✨ RESIZE COMPLETE!")
    print(f"{'='*60}")
    print(f"✅ Successfully processed: {processed} images")
    print(f"⚠️  Skipped (errors): {skipped} images")
    print(f"📁 Output location: {OUTPUT_DIR}")
    
    if errors:
        print(f"\n❌ Errors encountered:")
        for error in errors[:10]:  # Show first 10 errors
            print(f"   - {error}")
        if len(errors) > 10:
            print(f"   ... and {len(errors) - 10} more")
    
    print(f"\n🎮 Ready for Tiled Map Editor!")

if __name__ == "__main__":
    resize_images()