#!/usr/bin/env python3
"""
Simple coverage runner for Coverage Gutters extension.
Generates coverage.xml file needed by the VSCode Coverage Gutters extension.
"""

import subprocess
import sys
import os


def main():
    """Run coverage for Coverage Gutters."""
    print("Generating coverage for Coverage Gutters...")
    
    try:
        # Run tests with coverage and generate XML report
        cmd = [
            sys.executable, "-m", "pytest", 
            "tests/", 
            "--cov=pyWebLayout", 
            "--cov-report=xml", 
            "--cov-report=term"
        ]
        
        result = subprocess.run(cmd, check=True)
        
        # Check if coverage.xml was created
        if os.path.exists("coverage.xml"):
            print("✓ coverage.xml generated successfully!")
            print("Coverage Gutters should now be able to display coverage data.")
            print("\nTo use Coverage Gutters in VSCode:")
            print("1. Open Command Palette (Ctrl+Shift+P)")
            print("2. Run 'Coverage Gutters: Display Coverage'")
            print("3. Or use the Coverage Gutters buttons in the status bar")
        else:
            print("✗ coverage.xml was not generated")
            
    except subprocess.CalledProcessError as e:
        print(f"Error running tests: {e}")
        sys.exit(1)
    except FileNotFoundError:
        print("pytest not found. Please install it with: pip install pytest pytest-cov")
        sys.exit(1)


if __name__ == "__main__":
    main()