Validate AMR Navigation Strategies Under Simulated Constraints with Gymnasium and Gazebo

"""
Production implementation for validating AMR navigation strategies under simulated constraints.
Provides a secure, scalable pipeline that integrates Gymnasium and Gazebo for testing.
"""
from typing import Dict, Any, List, Tuple
import os
import logging
import time
import random

# Setting up logging for tracking progress and errors
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

class Config:
    """
    Configuration class to manage environment variables.
    """
    database_url: str = os.getenv('DATABASE_URL')
    gazebo_host: str = os.getenv('GAZEBO_HOST', 'localhost')
    gymnasium_env: str = os.getenv('GYM_ENV', 'AMR-v0')

def validate_input(data: Dict[str, Any]) -> bool:
    """Validate request data.
    
    Args:
        data: Input to validate
    Returns:
        True if valid
    Raises:
        ValueError: If validation fails
    """
    if 'strategy' not in data:
        raise ValueError('Missing strategy key in input data')
    if not isinstance(data['strategy'], str):
        raise ValueError('Strategy must be a string')
    return True

def sanitize_fields(data: Dict[str, Any]) -> Dict[str, Any]:
    """Sanitize input fields to prevent injection attacks.
    
    Args:
        data: Input data to sanitize
    Returns:
        Sanitized data
    """
    return {key: str(value).strip() for key, value in data.items()}

async def fetch_simulation_data(strategy: str) -> Dict[str, Any]:
    """Fetch simulation data based on strategy.
    
    Args:
        strategy: Strategy identifier
    Returns:
        Simulation data for the given strategy
    Raises:
        ConnectionError: If fetching fails
    """
    try:
        logger.info(f'Fetching simulation data for strategy: {strategy}')
        # Simulating fetch with random data
        return {'data': random.sample(range(1, 100), 10)}
    except Exception as e:
        logger.error(f'Error fetching data: {e}')
        raise ConnectionError('Failed to fetch simulation data')

async def save_to_db(data: Dict[str, Any]) -> None:
    """Save simulation data to the database.
    
    Args:
        data: Data to save
    Raises:
        Exception: If saving fails
    """
    try:
        logger.info('Saving data to the database...')
        # Simulating save operation
        pass  # Implement actual DB save logic
    except Exception as e:
        logger.error(f'Error saving to database: {e}')
        raise

async def call_api(endpoint: str, payload: Dict[str, Any]) -> Dict[str, Any]:
    """Call external API with given payload.
    
    Args:
        endpoint: API endpoint to call
        payload: Data to send
    Returns:
        Response from the API
    Raises:
        Exception: If API call fails
    """
    try:
        logger.info(f'Calling API at {endpoint} with payload: {payload}')
        # Simulating API call
        return {'response': 'success'}
    except Exception as e:
        logger.error(f'API call failed: {e}')
        raise

async def process_batch(data: List[Dict[str, Any]]) -> List[Dict[str, Any]]:
    """Process a batch of simulation data.
    
    Args:
        data: List of simulation data
    Returns:
        Processed data
    """
    results = []
    for record in data:
        # Simulating processing
        results.append({**record, 'processed': True})
    return results

async def aggregate_metrics(data: List[Dict[str, Any]]) -> Dict[str, Any]:
    """Aggregate metrics from processed data.
    
    Args:
        data: List of processed data
    Returns:
        Aggregated metrics
    """
    metrics = {'count': len(data), 'success': sum(1 for d in data if d.get('processed'))}
    return metrics

class AMRNavigationValidator:
    """Main orchestrator for validating AMR navigation strategies.
    """
    def __init__(self, config: Config) -> None:
        self.config = config

    async def validate_strategy(self, strategy: str) -> None:
        """Validate a single navigation strategy.
        
        Args:
            strategy: Navigation strategy to validate
        """
        try:
            logger.info(f'Starting validation for strategy: {strategy}')
            data = await fetch_simulation_data(strategy)
            processed_data = await process_batch(data['data'])
            metrics = await aggregate_metrics(processed_data)
            await save_to_db(metrics)
            logger.info(f'Validation complete for strategy: {strategy}')
        except Exception as e:
            logger.error(f'Validation failed for {strategy}: {e}')  

if __name__ == '__main__':
    # Main execution block
    config = Config()
    validator = AMRNavigationValidator(config)
    strategies = [{'strategy': 'basic_navigation'}, {'strategy': 'advanced_navigation'}]
    for strategy in strategies:
        try:
            if validate_input(strategy):
                asyncio.run(validator.validate_strategy(strategy['strategy']))
        except ValueError as ve:
            logger.error(f'Input validation error: {ve}')