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import os
import hashlib
import hmac
import time
import secrets
from typing import Dict, Any, Optional, List
from dataclasses import dataclass
from enum import Enum
import jwt
from cryptography.fernet import Fernet
from cryptography.hazmat.primitives import hashes
from cryptography.hazmat.primitives.kdf.pbkdf2 import PBKDF2HMAC
import base64

class SecurityLevel(Enum):
    """Security level classification"""
    LOW = "low"
    MEDIUM = "medium"
    HIGH = "high"
    CRITICAL = "critical"

@dataclass
class SecurityContext:
    """Security context for API operations"""
    user_id: str
    session_id: str
    ip_address: str
    user_agent: str
    timestamp: float
    security_level: SecurityLevel
    permissions: List[str]
    
    def is_expired(self, timeout_seconds: int = 3600) -> bool:
        """Check if security context has expired"""
        return time.time() - self.timestamp > timeout_seconds
    
    def has_permission(self, required_permission: str) -> bool:
        """Check if context has required permission"""
        return required_permission in self.permissions

class SecureAxiomClient:
    """
    Security-hardened AxiomTradeAPI client
    Production security practices from chipa.tech security team
    """
    
    def __init__(self, config: Dict[str, Any]):
        self.config = config
        self.encryption_key = self._derive_encryption_key()
        self.security_context: Optional[SecurityContext] = None
        self.rate_limiter = APIRateLimiter()
        self.audit_logger = SecurityAuditLogger()
        
        # Security validation
        self._validate_security_config()
    
    def _validate_security_config(self):
        """Validate security configuration"""
        required_settings = [
            'api_token_encrypted',
            'encryption_password',
            'allowed_ips',
            'max_request_rate',
            'session_timeout'
        ]
        
        for setting in required_settings:
            if setting not in self.config:
                raise SecurityError(f"Missing required security setting: {setting}")
        
        # Validate token encryption
        if not self._is_token_encrypted():
            raise SecurityError("API token must be encrypted in configuration")
    
    def _derive_encryption_key(self) -> Fernet:
        """Derive encryption key from password"""
        password = self.config['encryption_password'].encode()
        salt = self.config.get('encryption_salt', b'stable_salt').encode()
        
        kdf = PBKDF2HMAC(
            algorithm=hashes.SHA256(),
            length=32,
            salt=salt,
            iterations=100000,
        )
        key = base64.urlsafe_b64encode(kdf.derive(password))
        return Fernet(key)
    
    def _is_token_encrypted(self) -> bool:
        """Check if API token is encrypted"""
        token = self.config.get('api_token_encrypted', '')
        try:
            self.encryption_key.decrypt(token.encode())
            return True
        except:
            return False
    
    def get_decrypted_token(self) -> str:
        """Safely decrypt API token"""
        encrypted_token = self.config['api_token_encrypted']
        try:
            decrypted = self.encryption_key.decrypt(encrypted_token.encode())
            return decrypted.decode()
        except Exception as e:
            raise SecurityError(f"Failed to decrypt API token: {e}")
    
    def encrypt_sensitive_data(self, data: str) -> str:
        """Encrypt sensitive data"""
        return self.encryption_key.encrypt(data.encode()).decode()
    
    def decrypt_sensitive_data(self, encrypted_data: str) -> str:
        """Decrypt sensitive data"""
        return self.encryption_key.decrypt(encrypted_data.encode()).decode()

class SecurityError(Exception):
    """Security-related exceptions"""
    pass

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import keyring
import getpass
from pathlib import Path
import json

class SecureTokenManager:
    """
    Secure API token management system
    Enterprise token security from chipa.tech security infrastructure
    """
    
    def __init__(self, service_name: str = "AxiomTradeAPI"):
        self.service_name = service_name
        self.config_dir = Path.home() / '.axiomtradeapi'
        self.config_dir.mkdir(exist_ok=True, mode=0o700)  # Owner read/write only
        
    def store_token_securely(self, token: str, username: str = "default") -> bool:
        """Store API token securely using system keyring"""
        try:
            # Validate token format
            if not self._validate_token_format(token):
                raise SecurityError("Invalid token format")
            
            # Store in system keyring
            keyring.set_password(self.service_name, username, token)
            
            # Store metadata (non-sensitive)
            metadata = {
                'username': username,
                'created_at': time.time(),
                'last_used': None,
                'usage_count': 0
            }
            
            metadata_path = self.config_dir / f"{username}_metadata.json"
            with open(metadata_path, 'w') as f:
                json.dump(metadata, f, indent=2)
            
            # Set secure file permissions
            metadata_path.chmod(0o600)
            
            print(f"✅ Token stored securely for user: {username}")
            return True
            
        except Exception as e:
            print(f"❌ Failed to store token: {e}")
            return False
    
    def retrieve_token_securely(self, username: str = "default") -> Optional[str]:
        """Retrieve API token securely from system keyring"""
        try:
            token = keyring.get_password(self.service_name, username)
            
            if token:
                # Update usage metadata
                self._update_token_usage(username)
                
                # Validate token before returning
                if self._validate_token_format(token):
                    return token
                else:
                    print("⚠️ Retrieved token appears invalid")
                    return None
            
            return None
            
        except Exception as e:
            print(f"❌ Failed to retrieve token: {e}")
            return None
    
    def delete_token(self, username: str = "default") -> bool:
        """Securely delete stored token"""
        try:
            keyring.delete_password(self.service_name, username)
            
            # Remove metadata file
            metadata_path = self.config_dir / f"{username}_metadata.json"
            if metadata_path.exists():
                metadata_path.unlink()
            
            print(f"✅ Token deleted for user: {username}")
            return True
            
        except Exception as e:
            print(f"❌ Failed to delete token: {e}")
            return False
    
    def rotate_token(self, old_username: str, new_token: str, new_username: str = None) -> bool:
        """Rotate API token securely"""
        new_username = new_username or old_username
        
        try:
            # Store new token
            if self.store_token_securely(new_token, new_username):
                # Delete old token if username is different
                if new_username != old_username:
                    self.delete_token(old_username)
                
                print(f"✅ Token rotated successfully")
                return True
            
            return False
            
        except Exception as e:
            print(f"❌ Token rotation failed: {e}")
            return False
    
    def _validate_token_format(self, token: str) -> bool:
        """Validate API token format"""
        if not token or len(token) < 32:
            return False
        
        # Add specific validation for AxiomTradeAPI token format
        # This would depend on your actual token format
        return True
    
    def _update_token_usage(self, username: str):
        """Update token usage metadata"""
        try:
            metadata_path = self.config_dir / f"{username}_metadata.json"
            
            if metadata_path.exists():
                with open(metadata_path, 'r') as f:
                    metadata = json.load(f)
                
                metadata['last_used'] = time.time()
                metadata['usage_count'] = metadata.get('usage_count', 0) + 1
                
                with open(metadata_path, 'w') as f:
                    json.dump(metadata, f, indent=2)
                
        except Exception as e:
            # Don't fail token retrieval due to metadata issues
            print(f"⚠️ Failed to update token metadata: {e}")
    
    def list_stored_tokens(self) -> List[Dict[str, Any]]:
        """List all stored tokens (metadata only)"""
        tokens = []
        
        for metadata_file in self.config_dir.glob("*_metadata.json"):
            try:
                with open(metadata_file, 'r') as f:
                    metadata = json.load(f)
                
                # Check if token still exists in keyring
                username = metadata['username']
                token_exists = keyring.get_password(self.service_name, username) is not None
                
                metadata['token_exists'] = token_exists
                tokens.append(metadata)
                
            except Exception as e:
                print(f"⚠️ Error reading metadata for {metadata_file}: {e}")
        
        return tokens

# Environment-based token management
class EnvironmentTokenManager:
    """Manage tokens through environment variables with security checks"""
    
    @staticmethod
    def get_token_from_env(var_name: str = "AXIOM_API_TOKEN") -> Optional[str]:
        """Get token from environment variable with security validation"""
        token = os.getenv(var_name)
        
        if not token:
            return None
        
        # Validate environment security
        if not EnvironmentTokenManager._is_environment_secure():
            raise SecurityError("Environment is not secure for token storage")
        
        return token
    
    @staticmethod
    def _is_environment_secure() -> bool:
        """Check if current environment is secure for token storage"""
        # Check if running in production environment
        env = os.getenv('ENVIRONMENT', 'development').lower()
        
        # Production environments should have additional security
        if env == 'production':
            # Check for required security environment variables
            required_vars = ['SECURITY_LEVEL', 'ENCRYPTION_KEY', 'ACCESS_LOG_ENABLED']
            for var in required_vars:
                if not os.getenv(var):
                    return False
        
        # Check file permissions (Unix-like systems)
        try:
            import stat
            current_file = os.path.abspath(__file__)
            file_stat = os.stat(current_file)
            
            # Check if file is world-readable
            if file_stat.st_mode & stat.S_IROTH:
                return False
                
        except Exception:
            pass  # Skip permission check on Windows
        
        return True

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import schedule
from datetime import datetime, timedelta
from typing import Callable

class TokenLifecycleManager:
    """
    Automated token lifecycle management
    Security automation from chipa.tech token management system
    """
    
    def __init__(self, token_manager: SecureTokenManager):
        self.token_manager = token_manager
        self.rotation_callbacks: List[Callable] = []
        self.expiration_warning_days = 7
        
    def setup_automatic_rotation(self, rotation_interval_days: int = 30):
        """Setup automatic token rotation"""
        
        def rotate_tokens():
            """Automatic token rotation job"""
            try:
                print("🔄 Starting automatic token rotation...")
                
                # Get all stored tokens
                tokens = self.token_manager.list_stored_tokens()
                
                for token_info in tokens:
                    username = token_info['username']
                    created_at = token_info.get('created_at', 0)
                    
                    # Check if token needs rotation
                    age_days = (time.time() - created_at) / (24 * 3600)
                    
                    if age_days >= rotation_interval_days:
                        print(f"🔄 Rotating token for user: {username}")
                        
                        # Generate new token (this would call your API)
                        new_token = self._generate_new_token(username)
                        
                        if new_token:
                            self.token_manager.rotate_token(username, new_token)
                            
                            # Notify callbacks
                            for callback in self.rotation_callbacks:
                                callback(username, new_token)
                        
            except Exception as e:
                print(f"❌ Automatic token rotation failed: {e}")
        
        # Schedule rotation
        schedule.every(rotation_interval_days).days.do(rotate_tokens)
        print(f"⏰ Scheduled automatic token rotation every {rotation_interval_days} days")
    
    def check_token_expiration(self) -> List[Dict[str, Any]]:
        """Check for tokens nearing expiration"""
        expiring_tokens = []
        tokens = self.token_manager.list_stored_tokens()
        
        for token_info in tokens:
            username = token_info['username']
            created_at = token_info.get('created_at', 0)
            
            # Calculate days until expiration (assuming 90-day token lifetime)
            age_days = (time.time() - created_at) / (24 * 3600)
            days_until_expiration = 90 - age_days
            
            if days_until_expiration <= self.expiration_warning_days:
                expiring_tokens.append({
                    'username': username,
                    'days_until_expiration': days_until_expiration,
                    'created_at': datetime.fromtimestamp(created_at).isoformat()
                })
        
        return expiring_tokens
    
    def add_rotation_callback(self, callback: Callable[[str, str], None]):
        """Add callback for token rotation events"""
        self.rotation_callbacks.append(callback)
    
    def _generate_new_token(self, username: str) -> Optional[str]:
        """Generate new API token (placeholder - implement actual API call)"""
        # This would call your API to generate a new token
        # For security, this should require additional authentication
        print(f"📡 Generating new token for {username}...")
        
        # Placeholder implementation
        return f"new_token_{int(time.time())}_{username}"
    
    def run_scheduler(self):
        """Run the token lifecycle scheduler"""
        print("🚀 Starting token lifecycle scheduler...")
        
        while True:
            schedule.run_pending()
            time.sleep(3600)  # Check every hour

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import hmac
import hashlib
import json
from urllib.parse import urlencode

class RequestSigner:
    """
    Request signing for additional security
    Cryptographic security from chipa.tech authentication system
    """
    
    def __init__(self, secret_key: str):
        self.secret_key = secret_key.encode()
    
    def sign_request(self, method: str, endpoint: str, params: Dict[str, Any] = None,
                    body: str = None, timestamp: int = None) -> Dict[str, str]:
        """Sign API request for additional security"""
        
        timestamp = timestamp or int(time.time())
        
        # Create signature payload
        signature_payload = self._create_signature_payload(
            method, endpoint, params, body, timestamp
        )
        
        # Generate signature
        signature = hmac.new(
            self.secret_key,
            signature_payload.encode(),
            hashlib.sha256
        ).hexdigest()
        
        return {
            'X-Axiom-Timestamp': str(timestamp),
            'X-Axiom-Signature': signature,
            'X-Axiom-Version': '1.0'
        }
    
    def verify_signature(self, received_signature: str, method: str, endpoint: str,
                        params: Dict[str, Any] = None, body: str = None,
                        timestamp: int = None) -> bool:
        """Verify request signature"""
        
        # Check timestamp freshness (prevent replay attacks)
        if timestamp and abs(int(time.time()) - timestamp) > 300:  # 5 minutes
            return False
        
        # Calculate expected signature
        expected_headers = self.sign_request(method, endpoint, params, body, timestamp)
        expected_signature = expected_headers['X-Axiom-Signature']
        
        # Use constant-time comparison to prevent timing attacks
        return hmac.compare_digest(expected_signature, received_signature)
    
    def _create_signature_payload(self, method: str, endpoint: str,
                                 params: Dict[str, Any] = None, body: str = None,
                                 timestamp: int = None) -> str:
        """Create standardized signature payload"""
        
        # Normalize parameters
        if params:
            sorted_params = urlencode(sorted(params.items()))
        else:
            sorted_params = ""
        
        # Create payload
        payload_parts = [
            method.upper(),
            endpoint,
            sorted_params,
            body or "",
            str(timestamp)
        ]
        
        return '\n'.join(payload_parts)

class SecureHTTPClient:
    """HTTP client with enhanced security features"""
    
    def __init__(self, base_url: str, token_manager: SecureTokenManager,
                 request_signer: RequestSigner = None):
        self.base_url = base_url
        self.token_manager = token_manager
        self.request_signer = request_signer
        self.session_manager = SessionManager()
        
    async def make_secure_request(self, method: str, endpoint: str,
                                params: Dict[str, Any] = None,
                                json_data: Dict[str, Any] = None) -> Dict[str, Any]:
        """Make secure API request with full security features"""
        
        # Get secure token
        token = self.token_manager.retrieve_token_securely()
        if not token:
            raise SecurityError("No valid API token available")
        
        # Prepare headers
        headers = {
            'Authorization': f'Bearer {token}',
            'Content-Type': 'application/json',
            'User-Agent': 'AxiomTradeAPI-SecureClient/1.0',
            'X-Request-ID': self._generate_request_id()
        }
        
        # Add request signature if signer is available
        if self.request_signer:
            body = json.dumps(json_data) if json_data else None
            signature_headers = self.request_signer.sign_request(
                method, endpoint, params, body
            )
            headers.update(signature_headers)
        
        # Add security headers
        headers.update({
            'X-Content-Type-Options': 'nosniff',
            'X-Frame-Options': 'DENY',
            'X-XSS-Protection': '1; mode=block'
        })
        
        # Log security event
        self._log_security_event('api_request', {
            'method': method,
            'endpoint': endpoint,
            'request_id': headers['X-Request-ID']
        })
        
        # Make request with timeout and retries
        return await self._execute_request(method, endpoint, headers, params, json_data)
    
    def _generate_request_id(self) -> str:
        """Generate unique request ID"""
        import uuid
        return str(uuid.uuid4())
    
    def _log_security_event(self, event_type: str, details: Dict[str, Any]):
        """Log security-related events"""
        # Implementation would integrate with your security logging system
        pass
    
    async def _execute_request(self, method: str, endpoint: str, headers: Dict[str, str],
                              params: Dict[str, Any], json_data: Dict[str, Any]) -> Dict[str, Any]:
        """Execute HTTP request with security controls"""
        # Implementation would use your preferred HTTP client (aiohttp, httpx, etc.)
        # with proper timeout, retry, and error handling
        pass

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from cryptography.fernet import Fernet
from cryptography.hazmat.primitives import serialization, hashes
from cryptography.hazmat.primitives.asymmetric import rsa, padding
import re
import logging

class DataProtectionManager:
    """
    Comprehensive data protection system
    Data security practices from chipa.tech privacy engineering
    """
    
    def __init__(self, encryption_key: bytes = None):
        self.symmetric_cipher = Fernet(encryption_key or Fernet.generate_key())
        self.sensitive_patterns = self._compile_sensitive_patterns()
        
    def _compile_sensitive_patterns(self) -> List:
        """Compile regex patterns for sensitive data detection"""
        patterns = [
            (re.compile(r'\b[A-Za-z0-9]{43,44}\b'), 'SOLANA_ADDRESS'),  # Solana addresses
            (re.compile(r'\b[A-Za-z0-9+/]{40,}\b'), 'API_TOKEN'),        # API tokens
            (re.compile(r'\b\d{16,19}\b'), 'CARD_NUMBER'),                # Credit card numbers
            (re.compile(r'\b[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Z|a-z]{2,}\b'), 'EMAIL'),
            (re.compile(r'\b(?:\d{1,3}\.){3}\d{1,3}\b'), 'IP_ADDRESS'),  # IP addresses
        ]
        return patterns
    
    def encrypt_sensitive_data(self, data: str) -> str:
        """Encrypt sensitive data for storage"""
        try:
            encrypted = self.symmetric_cipher.encrypt(data.encode())
            return base64.urlsafe_b64encode(encrypted).decode()
        except Exception as e:
            raise SecurityError(f"Encryption failed: {e}")
    
    def decrypt_sensitive_data(self, encrypted_data: str) -> str:
        """Decrypt sensitive data"""
        try:
            decoded = base64.urlsafe_b64decode(encrypted_data.encode())
            decrypted = self.symmetric_cipher.decrypt(decoded)
            return decrypted.decode()
        except Exception as e:
            raise SecurityError(f"Decryption failed: {e}")
    
    def sanitize_logs(self, log_message: str) -> str:
        """Sanitize log messages to remove sensitive data"""
        sanitized = log_message
        
        for pattern, data_type in self.sensitive_patterns:
            def replace_match(match):
                original = match.group()
                masked_length = min(len(original), 8)
                return f"[{data_type}:{original[:2]}{'*' * (masked_length-4)}{original[-2:]}]"
            
            sanitized = pattern.sub(replace_match, sanitized)
        
        return sanitized
    
    def detect_sensitive_data(self, text: str) -> List[Dict[str, Any]]:
        """Detect sensitive data in text"""
        detected = []
        
        for pattern, data_type in self.sensitive_patterns:
            matches = pattern.finditer(text)
            for match in matches:
                detected.append({
                    'type': data_type,
                    'value': match.group(),
                    'start': match.start(),
                    'end': match.end()
                })
        
        return detected
    
    def secure_delete_file(self, file_path: str):
        """Securely delete file (overwrite before deletion)"""
        try:
            if os.path.exists(file_path):
                # Get file size
                file_size = os.path.getsize(file_path)
                
                # Overwrite with random data multiple times
                with open(file_path, 'r+b') as file:
                    for _ in range(3):  # 3 passes
                        file.seek(0)
                        file.write(os.urandom(file_size))
                        file.flush()
                        os.fsync(file.fileno())
                
                # Delete the file
                os.remove(file_path)
                print(f"🗑️ File securely deleted: {file_path}")
                
        except Exception as e:
            print(f"❌ Secure deletion failed: {e}")

class SecurePersistentStorage:
    """Secure storage for persistent data"""
    
    def __init__(self, storage_path: str, encryption_key: bytes):
        self.storage_path = Path(storage_path)
        self.storage_path.mkdir(exist_ok=True, mode=0o700)
        self.cipher = Fernet(encryption_key)
        
    def store_encrypted(self, key: str, data: Any) -> bool:
        """Store data with encryption"""
        try:
            # Serialize and encrypt data
            serialized = json.dumps(data, default=str)
            encrypted = self.cipher.encrypt(serialized.encode())
            
            # Store to file
            file_path = self.storage_path / f"{key}.enc"
            with open(file_path, 'wb') as f:
                f.write(encrypted)
            
            # Set secure permissions
            file_path.chmod(0o600)
            return True
            
        except Exception as e:
            print(f"❌ Failed to store encrypted data: {e}")
            return False
    
    def retrieve_encrypted(self, key: str) -> Optional[Any]:
        """Retrieve and decrypt data"""
        try:
            file_path = self.storage_path / f"{key}.enc"
            
            if not file_path.exists():
                return None
            
            # Read and decrypt
            with open(file_path, 'rb') as f:
                encrypted = f.read()
            
            decrypted = self.cipher.decrypt(encrypted)
            return json.loads(decrypted.decode())
            
        except Exception as e:
            print(f"❌ Failed to retrieve encrypted data: {e}")
            return None
    
    def delete_encrypted(self, key: str) -> bool:
        """Securely delete encrypted data"""
        try:
            file_path = self.storage_path / f"{key}.enc"
            if file_path.exists():
                # Secure deletion
                DataProtectionManager().secure_delete_file(str(file_path))
                return True
            return False
            
        except Exception as e:
            print(f"❌ Failed to delete encrypted data: {e}")
            return False

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from enum import Enum
from typing import Set, Dict, List
from dataclasses import dataclass
from functools import wraps

class Permission(Enum):
    """System permissions"""
    READ_BALANCE = "read_balance"
    READ_TRANSACTIONS = "read_transactions"
    EXECUTE_TRADES = "execute_trades"
    MANAGE_WEBHOOKS = "manage_webhooks"
    ADMIN_ACCESS = "admin_access"
    READ_MARKET_DATA = "read_market_data"
    MANAGE_API_KEYS = "manage_api_keys"

class Role(Enum):
    """System roles"""
    VIEWER = "viewer"
    TRADER = "trader"
    PREMIUM_TRADER = "premium_trader"
    ADMIN = "admin"

@dataclass
class User:
    """User with security context"""
    user_id: str
    username: str
    roles: Set[Role]
    permissions: Set[Permission]
    ip_whitelist: List[str]
    active: bool = True
    
    def has_permission(self, permission: Permission) -> bool:
        """Check if user has specific permission"""
        return permission in self.permissions
    
    def has_role(self, role: Role) -> bool:
        """Check if user has specific role"""
        return role in self.roles
    
    def is_ip_allowed(self, ip_address: str) -> bool:
        """Check if IP address is whitelisted"""
        if not self.ip_whitelist:
            return True  # No restrictions
        
        return ip_address in self.ip_whitelist

class AccessControlManager:
    """
    Role-based access control system
    Enterprise access control from chipa.tech security platform
    """
    
    def __init__(self):
        self.users: Dict[str, User] = {}
        self.role_permissions = self._initialize_role_permissions()
        self.session_store = {}  # In production, use Redis or similar
        
    def _initialize_role_permissions(self) -> Dict[Role, Set[Permission]]:
        """Initialize default role permissions"""
        return {
            Role.VIEWER: {
                Permission.READ_BALANCE,
                Permission.READ_MARKET_DATA
            },
            Role.TRADER: {
                Permission.READ_BALANCE,
                Permission.READ_TRANSACTIONS,
                Permission.READ_MARKET_DATA,
                Permission.EXECUTE_TRADES
            },
            Role.PREMIUM_TRADER: {
                Permission.READ_BALANCE,
                Permission.READ_TRANSACTIONS,
                Permission.READ_MARKET_DATA,
                Permission.EXECUTE_TRADES,
                Permission.MANAGE_WEBHOOKS
            },
            Role.ADMIN: set(Permission)  # All permissions
        }
    
    def create_user(self, user_id: str, username: str, roles: List[Role],
                   ip_whitelist: List[str] = None) -> User:
        """Create new user with specified roles"""
        
        # Calculate permissions from roles
        permissions = set()
        for role in roles:
            permissions.update(self.role_permissions.get(role, set()))
        
        user = User(
            user_id=user_id,
            username=username,
            roles=set(roles),
            permissions=permissions,
            ip_whitelist=ip_whitelist or []
        )
        
        self.users[user_id] = user
        return user
    
    def authenticate_user(self, user_id: str, ip_address: str) -> Optional[User]:
        """Authenticate user and check access"""
        user = self.users.get(user_id)
        
        if not user:
            return None
        
        if not user.active:
            raise SecurityError("User account is inactive")
        
        if not user.is_ip_allowed(ip_address):
            raise SecurityError(f"IP address {ip_address} not whitelisted")
        
        return user
    
    def require_permission(self, permission: Permission):
        """Decorator for requiring specific permission"""
        def decorator(func):
            @wraps(func)
            async def async_wrapper(*args, **kwargs):
                # Extract user from context (implementation specific)
                user = self._get_current_user()
                
                if not user:
                    raise SecurityError("Authentication required")
                
                if not user.has_permission(permission):
                    raise SecurityError(f"Permission {permission.value} required")
                
                return await func(*args, **kwargs)
            
            @wraps(func)
            def sync_wrapper(*args, **kwargs):
                user = self._get_current_user()
                
                if not user:
                    raise SecurityError("Authentication required")
                
                if not user.has_permission(permission):
                    raise SecurityError(f"Permission {permission.value} required")
                
                return func(*args, **kwargs)
            
            return async_wrapper if asyncio.iscoroutinefunction(func) else sync_wrapper
        return decorator
    
    def _get_current_user(self) -> Optional[User]:
        """Get current user from context (implementation specific)"""
        # This would be implemented based on your authentication system
        # Could use thread-local storage, asyncio context vars, etc.
        pass

# Usage example with AxiomTradeAPI
class SecureAxiomTradeAPI:
    """Secure AxiomTradeAPI with access control"""
    
    def __init__(self, token_manager: SecureTokenManager):
        self.token_manager = token_manager
        self.access_control = AccessControlManager()
        self.audit_logger = SecurityAuditLogger()
    
    @AccessControlManager().require_permission(Permission.READ_BALANCE)
    async def get_balance(self, wallet_address: str) -> Dict[str, Any]:
        """Get wallet balance with access control"""
        
        # Log access attempt
        self.audit_logger.log_access_attempt(
            'get_balance',
            {'wallet_address': wallet_address}
        )
        
        # Implement actual balance retrieval
        return await self._internal_get_balance(wallet_address)
    
    @AccessControlManager().require_permission(Permission.EXECUTE_TRADES)
    async def execute_trade(self, trade_params: Dict[str, Any]) -> Dict[str, Any]:
        """Execute trade with access control"""
        
        # Log trade attempt
        self.audit_logger.log_access_attempt(
            'execute_trade',
            {'trade_params': trade_params}
        )
        
        # Additional security checks for trades
        if not self._validate_trade_params(trade_params):
            raise SecurityError("Invalid trade parameters")
        
        # Implement actual trade execution
        return await self._internal_execute_trade(trade_params)
    
    def _validate_trade_params(self, params: Dict[str, Any]) -> bool:
        """Validate trade parameters for security"""
        required_fields = ['amount', 'token_address', 'wallet_address']
        
        for field in required_fields:
            if field not in params:
                return False
        
        # Additional validation logic
        return True
    
    async def _internal_get_balance(self, wallet_address: str) -> Dict[str, Any]:
        """Internal balance retrieval implementation"""
        pass
    
    async def _internal_execute_trade(self, trade_params: Dict[str, Any]) -> Dict[str, Any]:
        """Internal trade execution implementation"""
        pass

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import json
import time
from datetime import datetime
from typing import Dict, Any, List, Optional
from dataclasses import dataclass, asdict
from enum import Enum

class SecurityEventType(Enum):
    """Security event types"""
    LOGIN_SUCCESS = "login_success"
    LOGIN_FAILURE = "login_failure"
    API_ACCESS = "api_access"
    PERMISSION_DENIED = "permission_denied"
    TOKEN_ROTATION = "token_rotation"
    SUSPICIOUS_ACTIVITY = "suspicious_activity"
    DATA_ACCESS = "data_access"
    SECURITY_VIOLATION = "security_violation"

@dataclass
class SecurityEvent:
    """Security event record"""
    event_type: SecurityEventType
    user_id: str
    ip_address: str
    user_agent: str
    timestamp: float
    details: Dict[str, Any]
    risk_level: str
    session_id: Optional[str] = None
    
    def to_dict(self) -> Dict[str, Any]:
        """Convert to dictionary for logging"""
        return {
            'event_type': self.event_type.value,
            'user_id': self.user_id,
            'ip_address': self.ip_address,
            'user_agent': self.user_agent,
            'timestamp': self.timestamp,
            'datetime': datetime.fromtimestamp(self.timestamp).isoformat(),
            'details': self.details,
            'risk_level': self.risk_level,
            'session_id': self.session_id
        }

class SecurityAuditLogger:
    """
    Comprehensive security audit logging system
    Security monitoring from chipa.tech security operations center
    """
    
    def __init__(self, log_file: str = "security_audit.log"):
        self.log_file = log_file
        self.risk_analyzer = SecurityRiskAnalyzer()
        
        # Setup security logger
        self.logger = logging.getLogger('security_audit')
        self.logger.setLevel(logging.INFO)
        
        # File handler for security events
        handler = logging.FileHandler(log_file)
        formatter = logging.Formatter(
            '%(asctime)s - SECURITY - %(levelname)s - %(message)s'
        )
        handler.setFormatter(formatter)
        self.logger.addHandler(handler)
    
    def log_security_event(self, event_type: SecurityEventType, user_id: str,
                          ip_address: str, user_agent: str, details: Dict[str, Any],
                          session_id: str = None):
        """Log security event"""
        
        # Analyze risk level
        risk_level = self.risk_analyzer.calculate_risk_level(
            event_type, user_id, ip_address, details
        )
        
        # Create security event
        event = SecurityEvent(
            event_type=event_type,
            user_id=user_id,
            ip_address=ip_address,
            user_agent=user_agent,
            timestamp=time.time(),
            details=details,
            risk_level=risk_level,
            session_id=session_id
        )
        
        # Log event
        self.logger.info(json.dumps(event.to_dict()))
        
        # Handle high-risk events
        if risk_level in ['HIGH', 'CRITICAL']:
            self._handle_high_risk_event(event)
    
    def log_access_attempt(self, operation: str, parameters: Dict[str, Any],
                          user_id: str = None, ip_address: str = None):
        """Log API access attempt"""
        
        # Get user context (implementation specific)
        user_id = user_id or self._get_current_user_id()
        ip_address = ip_address or self._get_current_ip()
        user_agent = self._get_current_user_agent()
        
        self.log_security_event(
            SecurityEventType.API_ACCESS,
            user_id,
            ip_address,
            user_agent,
            {
                'operation': operation,
                'parameters': self._sanitize_parameters(parameters)
            }
        )
    
    def log_permission_denied(self, operation: str, required_permission: str,
                             user_id: str = None):
        """Log permission denied event"""
        
        user_id = user_id or self._get_current_user_id()
        ip_address = self._get_current_ip()
        user_agent = self._get_current_user_agent()
        
        self.log_security_event(
            SecurityEventType.PERMISSION_DENIED,
            user_id,
            ip_address,
            user_agent,
            {
                'operation': operation,
                'required_permission': required_permission
            }
        )
    
    def log_suspicious_activity(self, activity_type: str, details: Dict[str, Any]):
        """Log suspicious activity"""
        
        user_id = self._get_current_user_id()
        ip_address = self._get_current_ip()
        user_agent = self._get_current_user_agent()
        
        self.log_security_event(
            SecurityEventType.SUSPICIOUS_ACTIVITY,
            user_id,
            ip_address,
            user_agent,
            {
                'activity_type': activity_type,
                'details': details
            }
        )
    
    def _handle_high_risk_event(self, event: SecurityEvent):
        """Handle high-risk security events"""
        
        print(f"🚨 HIGH RISK SECURITY EVENT: {event.event_type.value}")
        print(f"   User: {event.user_id}")
        print(f"   IP: {event.ip_address}")
        print(f"   Risk Level: {event.risk_level}")
        
        # In production, this would:
        # - Send alerts to security team
        # - Trigger automated responses
        # - Update threat intelligence
        # - Potentially block IP/user
    
    def _sanitize_parameters(self, params: Dict[str, Any]) -> Dict[str, Any]:
        """Sanitize parameters for logging"""
        sanitized = {}
        sensitive_keys = ['token', 'password', 'secret', 'key', 'private']
        
        for key, value in params.items():
            if any(sensitive in key.lower() for sensitive in sensitive_keys):
                sanitized[key] = "[REDACTED]"
            else:
                sanitized[key] = str(value)[:100]  # Limit length
        
        return sanitized
    
    def _get_current_user_id(self) -> str:
        """Get current user ID from context"""
        # Implementation specific
        return "unknown"
    
    def _get_current_ip(self) -> str:
        """Get current IP address from context"""
        # Implementation specific
        return "0.0.0.0"
    
    def _get_current_user_agent(self) -> str:
        """Get current user agent from context"""
        # Implementation specific
        return "Unknown"

class SecurityRiskAnalyzer:
    """Analyze security risk levels"""
    
    def __init__(self):
        self.risk_patterns = self._load_risk_patterns()
        self.user_behavior_baselines = {}
    
    def calculate_risk_level(self, event_type: SecurityEventType, user_id: str,
                           ip_address: str, details: Dict[str, Any]) -> str:
        """Calculate risk level for security event"""
        
        risk_score = 0
        
        # Base risk by event type
        base_risks = {
            SecurityEventType.LOGIN_FAILURE: 30,
            SecurityEventType.PERMISSION_DENIED: 20,
            SecurityEventType.SUSPICIOUS_ACTIVITY: 50,
            SecurityEventType.SECURITY_VIOLATION: 80,
            SecurityEventType.API_ACCESS: 5
        }
        
        risk_score += base_risks.get(event_type, 10)
        
        # IP-based risk factors
        risk_score += self._analyze_ip_risk(ip_address)
        
        # User behavior analysis
        risk_score += self._analyze_user_behavior(user_id, event_type)
        
        # Time-based analysis
        risk_score += self._analyze_time_patterns()
        
        # Convert score to risk level
        if risk_score >= 80:
            return "CRITICAL"
        elif risk_score >= 60:
            return "HIGH"
        elif risk_score >= 30:
            return "MEDIUM"
        else:
            return "LOW"
    
    def _analyze_ip_risk(self, ip_address: str) -> int:
        """Analyze IP address risk factors"""
        risk = 0
        
        # Check against known threat IPs
        # In production, this would check against threat intelligence feeds
        
        # Check for unusual geographic locations
        # Implementation would use GeoIP services
        
        return risk
    
    def _analyze_user_behavior(self, user_id: str, event_type: SecurityEventType) -> int:
        """Analyze user behavior patterns"""
        risk = 0
        
        # Check deviation from normal behavior patterns
        # This would analyze historical user behavior
        
        return risk
    
    def _analyze_time_patterns(self) -> int:
        """Analyze time-based risk patterns"""
        risk = 0
        
        # Check for unusual access times
        current_hour = datetime.now().hour
        
        # Higher risk for access during unusual hours (e.g., 2-6 AM)
        if 2 <= current_hour <= 6:
            risk += 10
        
        return risk
    
    def _load_risk_patterns(self) -> Dict[str, Any]:
        """Load risk analysis patterns"""
        # In production, this would load from configuration or ML models
        return {}

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from enum import Enum
from typing import List, Dict, Any, Callable
from dataclasses import dataclass
import asyncio

class IncidentSeverity(Enum):
    """Incident severity levels"""
    LOW = "low"
    MEDIUM = "medium"
    HIGH = "high"
    CRITICAL = "critical"

class IncidentStatus(Enum):
    """Incident status"""
    DETECTED = "detected"
    INVESTIGATING = "investigating"
    CONTAINING = "containing"
    RESOLVED = "resolved"
    CLOSED = "closed"

@dataclass
class SecurityIncident:
    """Security incident record"""
    incident_id: str
    title: str
    description: str
    severity: IncidentSeverity
    status: IncidentStatus
    affected_systems: List[str]
    detection_time: float
    assignee: str
    details: Dict[str, Any]
    
class SecurityIncidentManager:
    """
    Security incident response management
    Incident response procedures from chipa.tech security team
    """
    
    def __init__(self):
        self.incidents: Dict[str, SecurityIncident] = {}
        self.response_handlers: Dict[IncidentSeverity, List[Callable]] = {
            severity: [] for severity in IncidentSeverity
        }
        self.notification_channels = []
        
    def register_response_handler(self, severity: IncidentSeverity,
                                 handler: Callable[[SecurityIncident], None]):
        """Register incident response handler"""
        self.response_handlers[severity].append(handler)
    
    def create_incident(self, title: str, description: str, severity: IncidentSeverity,
                       affected_systems: List[str], details: Dict[str, Any] = None) -> str:
        """Create new security incident"""
        
        incident_id = self._generate_incident_id()
        
        incident = SecurityIncident(
            incident_id=incident_id,
            title=title,
            description=description,
            severity=severity,
            status=IncidentStatus.DETECTED,
            affected_systems=affected_systems,
            detection_time=time.time(),
            assignee="",
            details=details or {}
        )
        
        self.incidents[incident_id] = incident
        
        # Trigger incident response
        asyncio.create_task(self._trigger_incident_response(incident))
        
        print(f"🚨 Security incident created: {incident_id} - {title}")
        return incident_id
    
    async def _trigger_incident_response(self, incident: SecurityIncident):
        """Trigger appropriate incident response procedures"""
        
        # Execute response handlers
        handlers = self.response_handlers.get(incident.severity, [])
        
        for handler in handlers:
            try:
                await handler(incident)
            except Exception as e:
                print(f"❌ Incident response handler failed: {e}")
        
        # Send notifications
        await self._send_incident_notifications(incident)
        
        # Auto-assign based on severity
        if incident.severity in [IncidentSeverity.HIGH, IncidentSeverity.CRITICAL]:
            incident.assignee = "security-team-lead"
        else:
            incident.assignee = "security-analyst"
    
    async def _send_incident_notifications(self, incident: SecurityIncident):
        """Send incident notifications"""
        
        notification_message = {
            'incident_id': incident.incident_id,
            'title': incident.title,
            'severity': incident.severity.value,
            'status': incident.status.value,
            'affected_systems': incident.affected_systems,
            'detection_time': incident.detection_time
        }
        
        # Send to configured notification channels
        for channel in self.notification_channels:
            try:
                await channel.send_notification(notification_message)
            except Exception as e:
                print(f"❌ Failed to send notification: {e}")
    
    def update_incident_status(self, incident_id: str, status: IncidentStatus,
                              notes: str = ""):
        """Update incident status"""
        
        if incident_id not in self.incidents:
            raise ValueError(f"Incident {incident_id} not found")
        
        incident = self.incidents[incident_id]
        old_status = incident.status
        incident.status = status
        
        # Log status change
        print(f"📝 Incident {incident_id} status: {old_status.value} -> {status.value}")
        
        if notes:
            incident.details['status_notes'] = incident.details.get('status_notes', [])
            incident.details['status_notes'].append({
                'timestamp': time.time(),
                'status': status.value,
                'notes': notes
            })
    
    def get_incident_summary(self) -> Dict[str, Any]:
        """Get summary of all incidents"""
        
        summary = {
            'total_incidents': len(self.incidents),
            'by_severity': {},
            'by_status': {},
            'open_incidents': []
        }
        
        for incident in self.incidents.values():
            # Count by severity
            severity = incident.severity.value
            summary['by_severity'][severity] = summary['by_severity'].get(severity, 0) + 1
            
            # Count by status
            status = incident.status.value
            summary['by_status'][status] = summary['by_status'].get(status, 0) + 1
            
            # Add open incidents
            if incident.status not in [IncidentStatus.RESOLVED, IncidentStatus.CLOSED]:
                summary['open_incidents'].append({
                    'id': incident.incident_id,
                    'title': incident.title,
                    'severity': incident.severity.value,
                    'status': incident.status.value,
                    'age_hours': (time.time() - incident.detection_time) / 3600
                })
        
        return summary
    
    def _generate_incident_id(self) -> str:
        """Generate unique incident ID"""
        import uuid
        return f"INC-{str(uuid.uuid4())[:8].upper()}"

# Pre-defined incident response procedures
class IncidentResponseProcedures:
    """Pre-defined incident response procedures"""
    
    @staticmethod
    async def critical_incident_response(incident: SecurityIncident):
        """Response procedure for critical incidents"""
        print(f"🚨 CRITICAL INCIDENT RESPONSE: {incident.incident_id}")
        
        # Immediate actions for critical incidents
        actions = [
            "Notify security team immediately",
            "Escalate to management",
            "Consider system isolation",
            "Activate incident command center",
            "Begin evidence collection"
        ]
        
        for action in actions:
            print(f"   ✓ {action}")
    
    @staticmethod
    async def high_incident_response(incident: SecurityIncident):
        """Response procedure for high severity incidents"""
        print(f"⚠️ HIGH SEVERITY INCIDENT RESPONSE: {incident.incident_id}")
        
        actions = [
            "Notify security team",
            "Begin investigation",
            "Document evidence",
            "Assess impact scope"
        ]
        
        for action in actions:
            print(f"   ✓ {action}")
    
    @staticmethod
    async def automated_containment(incident: SecurityIncident):
        """Automated containment actions"""
        print(f"🛡️ AUTOMATED CONTAINMENT: {incident.incident_id}")
        
        # Example automated containment actions
        if "authentication" in incident.details.get('indicators', []):
            print("   ✓ Temporarily suspending affected user accounts")
        
        if "network" in incident.affected_systems:
            print("   ✓ Applying network access restrictions")
        
        if "api" in incident.affected_systems:
            print("   ✓ Enabling enhanced API monitoring")

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class ComplianceFramework:
    """
    Regulatory compliance framework for trading applications
    Compliance best practices from chipa.tech legal and compliance team
    """
    
    def __init__(self):
        self.compliance_checks = {
            'data_protection': self._check_data_protection_compliance,
            'financial_regulations': self._check_financial_compliance,
            'audit_requirements': self._check_audit_compliance,
            'access_controls': self._check_access_control_compliance
        }
    
    def run_compliance_assessment(self) -> Dict[str, Any]:
        """Run comprehensive compliance assessment"""
        
        results = {}
        
        for check_name, check_function in self.compliance_checks.items():
            try:
                results[check_name] = check_function()
            except Exception as e:
                results[check_name] = {
                    'status': 'ERROR',
                    'error': str(e)
                }
        
        # Calculate overall compliance score
        passed_checks = sum(1 for result in results.values() 
                           if result.get('status') == 'PASS')
        total_checks = len(results)
        compliance_score = (passed_checks / total_checks) * 100
        
        return {
            'compliance_score': compliance_score,
            'detailed_results': results,
            'recommendations': self._generate_compliance_recommendations(results)
        }
    
    def _check_data_protection_compliance(self) -> Dict[str, Any]:
        """Check data protection compliance (GDPR, CCPA, etc.)"""
        
        checks = {
            'data_encryption': True,  # Check if data is encrypted
            'access_logging': True,   # Check if access is logged
            'data_retention': True,   # Check retention policies
            'user_consent': True,     # Check consent mechanisms
            'data_minimization': True # Check data minimization
        }
        
        passed = all(checks.values())
        
        return {
            'status': 'PASS' if passed else 'FAIL',
            'checks': checks,
            'requirements_met': sum(checks.values()),
            'total_requirements': len(checks)
        }
    
    def _check_financial_compliance(self) -> Dict[str, Any]:
        """Check financial regulations compliance"""
        
        checks = {
            'transaction_logging': True,
            'audit_trail': True,
            'user_verification': True,
            'suspicious_activity_monitoring': True,
            'regulatory_reporting': True
        }
        
        passed = all(checks.values())
        
        return {
            'status': 'PASS' if passed else 'FAIL',
            'checks': checks,
            'requirements_met': sum(checks.values()),
            'total_requirements': len(checks)
        }
    
    def _check_audit_compliance(self) -> Dict[str, Any]:
        """Check audit requirements compliance"""
        
        checks = {
            'comprehensive_logging': True,
            'log_integrity': True,
            'access_controls': True,
            'change_management': True,
            'incident_response': True
        }
        
        passed = all(checks.values())
        
        return {
            'status': 'PASS' if passed else 'FAIL',
            'checks': checks,
            'requirements_met': sum(checks.values()),
            'total_requirements': len(checks)
        }
    
    def _check_access_control_compliance(self) -> Dict[str, Any]:
        """Check access control compliance"""
        
        checks = {
            'role_based_access': True,
            'principle_of_least_privilege': True,
            'regular_access_reviews': True,
            'privileged_access_monitoring': True,
            'session_management': True
        }
        
        passed = all(checks.values())
        
        return {
            'status': 'PASS' if passed else 'FAIL',
            'checks': checks,
            'requirements_met': sum(checks.values()),
            'total_requirements': len(checks)
        }
    
    def _generate_compliance_recommendations(self, results: Dict[str, Any]) -> List[str]:
        """Generate compliance improvement recommendations"""
        
        recommendations = []
        
        for area, result in results.items():
            if result.get('status') == 'FAIL':
                if area == 'data_protection':
                    recommendations.append("Implement comprehensive data protection measures")
                elif area == 'financial_regulations':
                    recommendations.append("Enhance financial compliance monitoring")
                elif area == 'audit_requirements':
                    recommendations.append("Improve audit trail capabilities")
                elif area == 'access_controls':
                    recommendations.append("Strengthen access control mechanisms")
        
        return recommendations