"""
Test runner for pyWebLayout.

This script runs all unit tests and provides a summary of results.
"""

import unittest
import sys
import os

# Add the project root to the Python path
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))


def run_all_tests():
    """Run all unit tests and return the result."""
    # Discover and run all tests
    loader = unittest.TestLoader()
    start_dir = os.path.dirname(os.path.abspath(__file__))
    suite = loader.discover(start_dir, pattern='test_*.py')
    
    # Run tests with detailed output
    runner = unittest.TextTestRunner(
        verbosity=2,
        stream=sys.stdout,
        descriptions=True,
        failfast=False
    )
    
    result = runner.run(suite)
    
    # Print summary
    print("\n" + "="*70)
    print("TEST SUMMARY")
    print("="*70)
    print(f"Tests run: {result.testsRun}")
    print(f"Failures: {len(result.failures)}")
    print(f"Errors: {len(result.errors)}")
    print(f"Skipped: {len(result.skipped) if hasattr(result, 'skipped') else 0}")
    
    if result.failures:
        print(f"\nFAILURES ({len(result.failures)}):")
        for test, traceback in result.failures:
            print(f"- {test}")
    
    if result.errors:
        print(f"\nERRORS ({len(result.errors)}):")
        for test, traceback in result.errors:
            print(f"- {test}")
    
    success = len(result.failures) == 0 and len(result.errors) == 0
    print(f"\nResult: {'PASSED' if success else 'FAILED'}")
    print("="*70)
    
    return success


def run_specific_test(test_module):
    """Run a specific test module."""
    loader = unittest.TestLoader()
    suite = loader.loadTestsFromName(test_module)
    
    runner = unittest.TextTestRunner(verbosity=2)
    result = runner.run(suite)
    
    return len(result.failures) == 0 and len(result.errors) == 0


if __name__ == '__main__':
    if len(sys.argv) > 1:
        # Run specific test
        test_name = sys.argv[1]
        if not test_name.startswith('test_'):
            test_name = f'test_{test_name}'
        if not test_name.endswith('.py'):
            test_name = f'{test_name}.py'
        
        module_name = test_name[:-3]  # Remove .py extension
        success = run_specific_test(module_name)
    else:
        # Run all tests
        success = run_all_tests()
    
    sys.exit(0 if success else 1)