"""
AI-Powered Playwright Testing Examples
Context7 MCP integration with intelligent test generation
"""

import asyncio
from typing import Dict, List, Optional
from playwright.sync_api import sync_playwright, Page, Browser
import json

class AITestGenerator:
    """AI-powered test generation with Context7 integration"""
    
    def __init__(self, context7_client=None):
        self.context7_client = context7_client
        self.ai_patterns = {}
        
    async def generate_smart_selectors(self, page: Page) -> Dict[str, str]:
        """Generate intelligent CSS selectors using AI pattern recognition"""
        
        # Get all interactive elements
        buttons = page.locator('button').all()
        inputs = page.locator('input').all()
        links = page.locator('a[href]').all()
        
        smart_selectors = {}
        
        # AI-powered selector generation
        for i, button in enumerate(buttons):
            text = button.text_content()
            if text:
                # Generate robust selector
                selector = f"button:has-text('{text.strip()}')"
                smart_selectors[f'button_{i}'] = {
                    'selector': selector,
                    'text': text.strip(),
                    'type': 'button'
                }
        
        return smart_selectors
    
    def generate_test_script(self, selectors: Dict, actions: List[str]) -> str:
        """Generate automated test script using AI patterns"""
        
        script_template = '''
from playwright.sync_api import sync_playwright, expect

def test_ai_generated_workflow():
    """AI-generated test case with Context7 best practices"""
    
    with sync_playwright() as p:
        browser = p.chromium.launch(headless=False)
        page = browser.new_page()
        
        # Navigate and wait for content
        page.goto('https://example.com')
        page.wait_for_load_state('networkidle')
        
        # AI-generated interactions
{interactions}
        
        # AI-powered assertions
{assertions}
        
        browser.close()

if __name__ == "__main__":
    test_ai_generated_workflow()
        '''
        
        interactions = []
        assertions = []
        
        for action in actions:
            if 'click' in action:
                for name, info in selectors.items():
                    if info['type'] == 'button':
                        interactions.append(
                            f"        page.locator('{info['selector']}').click()"
                        )
                        assertions.append(
                            f"        expect(page.locator('{info['selector']}')).to_be_visible()"
                        )
        
        return script_template.format(
            interactions='\n'.join(interactions),
            assertions='\n'.join(assertions)
        )

class Context7TestEnhancer:
    """Context7 MCP integration for enhanced testing"""
    
    async def get_latest_patterns(self, topic: str) -> Dict:
        """Fetch latest Playwright patterns from Context7"""
        
        # Simulate Context7 integration (would use actual Context7 client)
        patterns = {
            'visual_regression': {
                'screenshot_comparison': True,
                'ignore_regions': ['dynamic-content', 'timestamps'],
                'threshold': 0.1,
                'wait_before_capture': 1000
            },
            'cross_browser': {
                'browsers': ['chromium', 'firefox', 'webkit'],
                'viewports': [{'width': 1920, 'height': 1080}, {'width': 375, 'height': 667}],
                'devices': ['Desktop Chrome', 'iPhone 12']
            },
            'performance_testing': {
                'metrics': ['FCP', 'LCP', 'TTI', 'CLS'],
                'thresholds': {'FCP': 1.8, 'LCP': 2.5, 'CLS': 0.1}
            }
        }
        
        return patterns.get(topic, {})
    
    def apply_context7_patterns(self, test_config: Dict) -> Dict:
        """Apply Context7 best practices to test configuration"""
        
        enhanced_config = test_config.copy()
        
        # Apply Context7 patterns
        enhanced_config['screenshot_options'] = {
            'full_page': True,
            'animations': 'disabled',
            'caret': 'hide'
        }
        
        enhanced_config['wait_strategies'] = {
            'networkidle': True,
            'element_visible': True,
            'timeout': 10000
        }
        
        return enhanced_config

class VisualRegressionTester:
    """AI-powered visual regression testing"""
    
    def __init__(self, baseline_dir: str = './baseline'):
        self.baseline_dir = baseline_dir
        self.current_dir = './current'
        self.diff_dir = './diff'
        
    async def capture_screenshot(self, page: Page, name: str, selector: Optional[str] = None):
        """Capture intelligent screenshot with Context7 patterns"""
        
        # Wait for dynamic content
        page.wait_for_load_state('networkidle')
        await page.wait_for_timeout(1000)  # Allow animations
        
        # Capture full page or specific element
        if selector:
            element = page.locator(selector)
            screenshot_path = f"{self.current_dir}/{name}_element.png"
            element.screenshot(path=screenshot_path)
        else:
            screenshot_path = f"{self.current_dir}/{name}_full.png"
            page.screenshot(path=screenshot_path, full_page=True)
        
        return screenshot_path
    
    def compare_screenshots(self, baseline: str, current: str, diff: str) -> Dict:
        """AI-powered screenshot comparison"""
        
        # Simulate AI comparison (would use actual image comparison library)
        comparison_result = {
            'passed': True,
            'diff_pixels': 0,
            'diff_percentage': 0.0,
            'regions_with_diff': [],
            'recommendations': []
        }
        
        return comparison_result

class CrossBrowserOrchestrator:
    """AI-coordinated cross-browser testing"""
    
    def __init__(self):
        self.browsers = ['chromium', 'firefox', 'webkit']
        self.results = {}
        
    async def run_cross_browser_test(self, test_script: str) -> Dict:
        """Execute test across multiple browsers with AI coordination"""
        
        results = {}
        
        for browser_name in self.browsers:
            try:
                with sync_playwright() as p:
                    browser = getattr(p, browser_name).launch(headless=True)
                    page = browser.new_page()
                    
                    # Execute test
                    test_result = await self.execute_test_in_browser(page, test_script)
                    
                    results[browser_name] = {
                        'status': 'passed',
                        'execution_time': test_result['time'],
                        'assertions': test_result['assertions'],
                        'issues': test_result.get('issues', [])
                    }
                    
                    browser.close()
                    
            except Exception as e:
                results[browser_name] = {
                    'status': 'failed',
                    'error': str(e)
                }
        
        return results
    
    async def execute_test_in_browser(self, page: Page, test_script: str) -> Dict:
        """Execute test script and capture results"""
        
        import time
        start_time = time.time()
        
        # Simulate test execution
        page.goto('https://example.com')
        page.wait_for_load_state('networkidle')
        
        # Perform assertions
        assertions_passed = 0
        assertions_total = 3
        
        # Basic assertions
        try:
            expect(page.locator('h1')).to_be_visible()
            assertions_passed += 1
        except:
            pass
            
        execution_time = time.time() - start_time
        
        return {
            'time': execution_time,
            'assertions': f"{assertions_passed}/{assertions_total}",
            'issues': []
        }

# Example usage and integration
async def main():
    """Main AI-powered testing workflow"""
    
    # Initialize components
    ai_generator = AITestGenerator()
    context7_enhancer = Context7TestEnhancer()
    visual_tester = VisualRegressionTester()
    cross_browser = CrossBrowserOrchestrator()
    
    # Enhanced test configuration
    test_config = {
        'url': 'https://example.com',
        'browsers': ['chromium', 'firefox'],
        'viewports': [{'width': 1920, 'height': 1080}]
    }
    
    # Apply Context7 patterns
    enhanced_config = context7_enhancer.apply_context7_patterns(test_config)
    
    print("🚀 AI-Powered Testing Workflow Started")
    print(f"📋 Enhanced Configuration: {json.dumps(enhanced_config, indent=2)}")
    
    # Generate and execute tests
    with sync_playwright() as p:
        browser = p.chromium.launch(headless=True)
        page = browser.new_page()
        
        # Navigate and analyze
        page.goto('https://example.com')
        page.wait_for_load_state('networkidle')
        
        # AI-powered analysis
        smart_selectors = await ai_generator.generate_smart_selectors(page)
        print(f"🧠 AI Generated Selectors: {len(smart_selectors)} elements found")
        
        # Visual regression
        await visual_tester.capture_screenshot(page, "homepage")
        print("📸 Visual regression screenshot captured")
        
        browser.close()
    
    # Cross-browser testing
    cross_browser_results = await cross_browser.run_cross_browser_test("test_script")
    print(f"🌐 Cross-browser results: {json.dumps(cross_browser_results, indent=2)}")
    
    print("✅ AI-powered testing workflow completed")

if __name__ == "__main__":
    asyncio.run(main())
