#!/usr/bin/env python3
"""
Test script to render the library view and save it as PNG.
This helps verify the rendering is working correctly.
"""

import sys
from pathlib import Path

# Add parent directory to path
sys.path.insert(0, str(Path(__file__).parent.parent))

from dreader.library import LibraryManager


def main():
    """Test library rendering and save as PNG."""

    library_path = "tests/data/library-epub"
    output_path = "library_render_test.png"

    print("=" * 60)
    print("Library Rendering Test")
    print("=" * 60)
    print(f"Library path: {library_path}")
    print(f"Output file: {output_path}")
    print()

    # Create library manager
    print("Creating library manager...")
    library = LibraryManager(
        library_path=library_path,
        page_size=(1872, 1404)
    )

    # Scan library
    print("Scanning library...")
    library.scan_library()

    print()
    print(f"Found {len(library.books)} books:")
    for book in library.books:
        print(f"  - {book['title']} by {book['author']}")
    print()

    # Create library table (renders the first page)
    print("Creating library table (page 1)...")
    library.create_library_table(page=0)

    # Render the table
    print("Rendering library view...")
    image = library.render_library()

    if image:
        print(f"Image size: {image.size}")
        print(f"Image mode: {image.mode}")

        # Save as PNG
        print(f"Saving to {output_path}...")
        image.save(output_path)

        print()
        print("=" * 60)
        print("SUCCESS!")
        print("=" * 60)
        print(f"Library view saved to: {output_path}")
        print()
        print("You can view the image with:")
        print(f"  xdg-open {output_path}  # Linux")
        print(f"  open {output_path}      # macOS")
        print()

        return 0
    else:
        print()
        print("=" * 60)
        print("ERROR: No image rendered")
        print("=" * 60)
        return 1


if __name__ == "__main__":
    try:
        sys.exit(main())
    except Exception as e:
        print(f"\nERROR: {e}")
        import traceback
        traceback.print_exc()
        sys.exit(1)