import gradio as gr
import json
import logging
from enum import Enum, auto
from typing import Protocol, List, Dict, Any, Optional
from dataclasses import dataclass, field
from datetime import datetime
import difflib
import pytest
from concurrent.futures import ThreadPoolExecutor
import asyncio

# Initialize logger
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

class CustomJSONEncoder(json.JSONEncoder):
    def default(self, obj):
        if isinstance(obj, datetime):
            return obj.isoformat()
        return super().default(obj)

@dataclass
class Config:
    """Configuration class for the agent system"""
    rag_system_path: str
    max_workers: int = 10
    log_level: str = "INFO"
    model_settings: Dict[str, Any] = field(default_factory=dict)
    api_keys: Dict[str, str] = field(default_factory=dict)
    design_system_config: Dict[str, Any] = field(default_factory=dict)

    def __post_init__(self):
        """Validate configuration after initialization"""
        if not self.rag_system_path:
            raise ValueError("RAG system path must be specified in config")
        if not self.design_system_config:
            self.design_system_config = {
                'theme': 'light',
                'responsive': True,
                'accessibility_level': 'AAA'
            }

class DesignSystem:
    def __init__(self):
        self.theme = {
            'colors': {
                'primary': '#007bff',
                'secondary': '#6c757d',
                'success': '#28a745',
                'danger': '#dc3545',
                'warning': '#ffc107',
                'info': '#17a2b8',
                'light': '#f8f9fa',
                'dark': '#343a40'
            },
            'typography': {
                'fontFamily': {
                    'primary': '"Helvetica Neue", Arial, sans-serif',
                    'secondary': 'Georgia, serif',
                    'monospace': 'Monaco, Consolas, monospace'
                },
                'fontSizes': {
                    'xs': '12px',
                    'sm': '14px',
                    'base': '16px',
                    'lg': '18px',
                    'xl': '20px',
                    'xxl': '24px',
                    'display': '32px'
                },
                'lineHeight': {
                    'tight': '1.25',
                    'normal': '1.5',
                    'relaxed': '1.75'
                }
            },
            'spacing': {
                'unit': '8px',
                'scales': {
                    'xs': '0.25rem',
                    'sm': '0.5rem',
                    'md': '1rem',
                    'lg': '1.5rem',
                    'xl': '2rem'
                }
            },
            'breakpoints': {
                'mobile': '320px',
                'tablet': '768px',
                'desktop': '1024px',
                'large': '1440px'
            }
        }

    def get_color(self, color_name: str) -> str:
        return self.theme['colors'].get(color_name)

    def get_font_family(self, type_name: str) -> str:
        return self.theme['typography']['fontFamily'].get(type_name)

    def get_spacing(self, scale: str) -> str:
        return self.theme['spacing']['scales'].get(scale)

class UIComponentLibrary:
    def __init__(self, design_system: DesignSystem):
        self.design_system = design_system

    def get_component_template(self, component_type: str) -> Dict[str, Any]:
        components = {
            'button': {
                'template': '''
                    <button class="btn {{variant}}" {{attributes}}>
                        {{text}}
                    </button>
                ''',
                'styles': self._get_button_styles()
            },
            'card': {
                'template': '''
                    <div class="card {{variant}}">
                        <div class="card-header">{{header}}</div>
                        <div class="card-body">{{content}}</div>
                        <div class="card-footer">{{footer}}</div>
                    </div>
                ''',
                'styles': self._get_card_styles()
            },
            'input': {
                'template': '''
                    <div class="form-group">
                        <label for="{{id}}">{{label}}</label>
                        <input type="{{type}}" id="{{id}}" 
                               class="form-control {{variant}}" {{attributes}}>
                        <small class="form-text">{{helper_text}}</small>
                    </div>
                ''',
                'styles': self._get_input_styles()
            }
        }
        return components.get(component_type)

    def _get_button_styles(self) -> Dict[str, str]:
        return {
            'base': f'''
                font-family: {self.design_system.get_font_family('primary')};
                padding: {self.design_system.get_spacing('sm')} {self.design_system.get_spacing('md')};
                border-radius: 4px;
                border: none;
                cursor: pointer;
                transition: all 0.3s ease;
            ''',
            'primary': f'background-color: {self.design_system.get_color("primary")};',
            'secondary': f'background-color: {self.design_system.get_color("secondary")};'
        }

    def _get_card_styles(self) -> Dict[str, str]:
        return {
            'base': f'''
                border-radius: 8px;
                padding: {self.design_system.get_spacing('md')};
                box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            '''
        }

    def _get_input_styles(self) -> Dict[str, str]:
        return {
            'base': f'''
                font-family: {self.design_system.get_font_family('primary')};
                padding: {self.design_system.get_spacing('sm')};
                border-radius: 4px;
                border: 1px solid {self.design_system.get_color('secondary')};
            '''
        }

class WebDesignValidator:
    def __init__(self):
        self.accessibility_rules = {
            'aria_labels': True,
            'alt_texts': True,
            'semantic_html': True,
            'keyboard_navigation': True,
            'color_contrast': True,
            'focus_indicators': True
        }
        self.responsive_breakpoints = {
            'mobile': '320px',
            'tablet': '768px',
            'desktop': '1024px',
            'large': '1440px'
        }

    async def validate_design_principles(self, implementation: Dict[str, Any]) -> Dict[str, Any]:
        results = {
            'accessibility': await self._check_accessibility(implementation),
            'responsive_design': await self._check_responsive_design(implementation),
            'color_contrast': await self._check_color_contrast(implementation),
            'typography': await self._check_typography(implementation),
            'performance': await self._check_performance(implementation)
        }
        
        return {
            'validation_results': results,
            'overall_status': self._calculate_overall_status(results),
            'recommendations': self._generate_recommendations(results)
        }

    async def _check_accessibility(self, implementation: Dict[str, Any]) -> Dict[str, Any]:
        results = {
            'passed': [],
            'failed': [],
            'warnings': []
        }
        
        for component in implementation.get('components', []):
            for rule, enabled in self.accessibility_rules.items():
                if enabled:
                    result = await self._validate_accessibility_rule(component, rule)
                    if result['status'] == 'passed':
                        results['passed'].append(f"{component['name']}: {rule}")
                    elif result['status'] == 'failed':
                        results['failed'].append({
                            'component': component['name'],
                            'rule': rule,
                            'message': result['message']
                        })
                    else:
                        results['warnings'].append({
                            'component': component['name'],
                            'rule': rule,
                            'message': result['message']
                        })
        
        return results

    async def _validate_accessibility_rule(self, component: Dict[str, Any], rule: str) -> Dict[str, Any]:
        validators = {
            'aria_labels': self._check_aria_labels,
            'alt_texts': self._check_alt_texts,
            'semantic_html': self._check_semantic_html,
            'keyboard_navigation': self._check_keyboard_navigation,
            'color_contrast': self._check_specific_color_contrast,
            'focus_indicators': self._check_focus_indicators
        }
        
        validator = validators.get(rule)
        if validator:
            return await validator(component)
        return {'status': 'warning', 'message': f'No validator found for {rule}'}

    async def _check_responsive_design(self, implementation: Dict[str, Any]) -> Dict[str, Any]:
        results = {
            'breakpoints_tested': [],
            'layout_issues': [],
            'recommendations': []
        }

        for breakpoint, size in self.responsive_breakpoints.items():
            test_result = await self._test_breakpoint(implementation, breakpoint, size)
            results['breakpoints_tested'].append({
                'breakpoint': breakpoint,
                'size': size,
                'result': test_result
            })

            if test_result.get('issues'):
                results['layout_issues'].extend(test_result['issues'])
                results['recommendations'].extend(test_result['recommendations'])

        return results

    async def _test_breakpoint(self, implementation: Dict[str, Any], breakpoint: str, size: str) -> Dict[str, Any]:
        # Simulate testing at different viewport sizes
        return {
            'breakpoint': breakpoint,
            'size': size,
            'layout_integrity': True,
            'issues': [],
            'recommendations': []
        }

    async def _check_color_contrast(self, implementation: Dict[str, Any]) -> Dict[str, Any]:
        results = {
            'passed': [],
            'failed': [],
            'warnings': []
        }

        for component in implementation.get('components', []):
            contrast_ratio = await self._calculate_contrast_ratio(
                component.get('foreground_color'),
                component.get('background_color')
            )
            
            if contrast_ratio >= 4.5:  # WCAG AA standard
                results['passed'].append({
                    'component': component['name'],
                    'ratio': contrast_ratio
                })
            else:
                results['failed'].append({
                    'component': component['name'],
                    'ratio': contrast_ratio,
                    'recommendation': 'Increase contrast to at least 4.5:1'
                })

        return results

    async def _check_typography(self, implementation: Dict[str, Any]) -> Dict[str, Any]:
        return {
            'font_hierarchy': await self._check_font_hierarchy(implementation),
            'line_height': await self._check_line_height(implementation),
            'font_sizes': await self._check_font_sizes(implementation),
            'recommendations': []
        }

    async def _check_performance(self, implementation: Dict[str, Any]) -> Dict[str, Any]:
        return {
            'image_optimization': await self._check_image_optimization(implementation),
            'css_optimization': await self._check_css_optimization(implementation),
            'loading_time': await self._check_loading_time(implementation),
            'recommendations': []
        }

    def _calculate_overall_status(self, results: Dict[str, Any]) -> str:
        # Implementation of overall status calculation
        failed_count = sum(len(category.get('failed', [])) for category in results.values())
        if failed_count > 0:
            return 'fail'
        return 'pass'

    def _generate_recommendations(self, results: Dict[str, Any]) -> List[str]:
        recommendations = []
        for category, result in results.items():
            if 'recommendations' in result:
                recommendations.extend(result['recommendations'])
        return recommendations

if __name__ == "__app__":
    logger.info("===== Application Startup at %s =====", datetime.now().isoformat())
    try:
        # Example data to test JSON serialization
        test_results = {
            "timestamp": datetime.now(),
            "status": "success"
        }
        print("Test Results:", json.dumps(test_results, indent=2, cls=CustomJSONEncoder))
    except Exception as e:
        logger.error(f"Error serializing test results: {e}")

    logger.info("Application initialized successfully.")