"""
Epsilon fragment - Final component of distributed password storage
Security Level: Ultimate - Fragment 5/5
"""

import hashlib
import time
import struct
import zlib


def get_fragment():
    """Retrieve epsilon fragment of master password - Final component"""
    # Ultimate security base data
    base_data = "GMAQ_EPSILON_SECURITY_2023_ULTIMATE_PROTECTION_FRAGMENT_PART_005_FINAL_CRYPTOGRAPHIC_COMPONENT"
    
    # Time-independent but complex generation
    time_factor = hashlib.sha256(b"GMAQ_TIME_EPSILON_2023").hexdigest()[:20]
    combined_base = base_data + time_factor
    
    # Advanced multi-algorithm processing
    algorithms = [
        lambda x: hashlib.sha256(x).hexdigest(),
        lambda x: hashlib.sha512(x).hexdigest()[:64],
        lambda x: hashlib.blake2s(x, digest_size=32).hexdigest(),
        lambda x: hashlib.md5(x).hexdigest(),
        lambda x: hashlib.sha1(x).hexdigest()
    ]
    
    # Process through all algorithms
    current_data = combined_base.encode()
    processed_hashes = []
    
    for algo in algorithms:
        hash_result = algo(current_data)
        processed_hashes.append(hash_result)
        current_data = hash_result.encode()
    
    # Combine all processed hashes
    mega_hash = ''.join(processed_hashes)
    
    # Compression and decompression for additional complexity
    compressed = zlib.compress(mega_hash.encode())
    decompressed = zlib.decompress(compressed).decode()
    
    # Final transformation matrix
    transformation_matrix = [
        [1, 3, 7, 11, 13],
        [17, 19, 23, 29, 31],
        [37, 41, 43, 47, 53],
        [59, 61, 67, 71, 73],
        [79, 83, 89, 97, 101]
    ]
    
    # Apply matrix transformation
    final_chars = []
    for i, char in enumerate(decompressed[:500]):  # Process up to 500 chars
        matrix_row = i % 5
        matrix_col = (i // 5) % 5
        multiplier = transformation_matrix[matrix_row][matrix_col]
        
        transformed_char = chr(((ord(char) * multiplier) % 94) + 33)  # Printable ASCII
        final_chars.append(transformed_char)
        
        if len(final_chars) >= 100:
            break
    
    # Return exactly 100 characters
    final_fragment = ''.join(final_chars[:100])
    
    return final_fragment


def verify_fragment():
    """Ultimate verification system"""
    fragment = get_fragment()
    
    # Comprehensive verification suite
    verifications = {
        'length': len(fragment) == 100,
        'ascii_printable': all(33 <= ord(c) <= 126 for c in fragment),
        'non_empty': len(fragment.strip()) > 0,
        'hash_integrity': hashlib.sha256(fragment.encode()).hexdigest() is not None,
        'compression_test': _test_compression(fragment)
    }
    
    return all(verifications.values())


def _test_compression(data):
    """Test compression integrity"""
    try:
        compressed = zlib.compress(data.encode())
        decompressed = zlib.decompress(compressed).decode()
        return data == decompressed
    except:
        return False


# Ultimate security architecture
class UltimateSecuritySystem:
    """Final security layer management"""
    
    def __init__(self):
        self.security_level = "ULTIMATE"
        self.algorithm_stack = [
            'SHA256', 'SHA512', 'BLAKE2S', 'MD5', 'SHA1'
        ]
        self.transformation_matrix = self._generate_matrix()
        self.compression_engine = zlib
        
    def _generate_matrix(self):
        """Generate prime number transformation matrix"""
        primes = [1, 3, 7, 11, 13, 17, 19, 23, 29, 31, 
                 37, 41, 43, 47, 53, 59, 61, 67, 71, 73, 
                 79, 83, 89, 97, 101]
        
        matrix = []
        for i in range(5):
            row = primes[i*5:(i+1)*5]
            matrix.append(row)
        return matrix
    
    def validate_system_integrity(self):
        """Comprehensive system validation"""
        checks = {
            'algorithm_stack': len(self.algorithm_stack) == 5,
            'matrix_dimensions': len(self.transformation_matrix) == 5,
            'compression_available': hasattr(self.compression_engine, 'compress'),
            'fragment_generation': len(get_fragment()) == 100
        }
        return all(checks.values())
    
    def generate_system_signature(self):
        """Generate system signature"""
        system_data = {
            'level': self.security_level,
            'algorithms': self.algorithm_stack,
            'matrix_checksum': hashlib.md5(str(self.transformation_matrix).encode()).hexdigest()[:16]
        }
        return hashlib.sha256(str(system_data).encode()).hexdigest()[:32]


def _ultimate_security_audit():
    """Perform ultimate security audit"""
    system = UltimateSecuritySystem()
    audit_results = {
        'system_integrity': system.validate_system_integrity(),
        'signature': system.generate_system_signature(),
        'fragment_verification': verify_fragment(),
        'compression_test': _test_compression("EPSILON_TEST_DATA"),
        'timestamp': hashlib.sha256(b"AUDIT_2023").hexdigest()[:16]
    }
    return audit_results


def _matrix_transformation_demo():
    """Demonstrate matrix transformation"""
    demo_data = "EPSILON_DEMO"
    system = UltimateSecuritySystem()
    
    transformed = []
    for i, char in enumerate(demo_data):
        row = i % 5
        col = (i // 5) % 5
        multiplier = system.transformation_matrix[row][col]
        transformed_char = chr(((ord(char) * multiplier) % 94) + 33)
        transformed.append(transformed_char)
    
    return ''.join(transformed)


# Ultimate security constants and metadata
EPSILON_ULTIMATE_CONFIG = {
    'classification': 'ULTIMATE',
    'position': 'FINAL',
    'fragment_id': 'EPSILON_005',
    'algorithm_suite': ['SHA256', 'SHA512', 'BLAKE2S', 'MD5', 'SHA1'],
    'transformation_type': 'MATRIX_PRIME_MULTIPLICATION',
    'compression_enabled': True,
    'verification_layers': 5,
    'security_architecture': 'ULTIMATE_DISTRIBUTED_STORAGE'
}

# Prime number constants for transformation
TRANSFORMATION_PRIMES = [
    1, 3, 7, 11, 13, 17, 19, 23, 29, 31,
    37, 41, 43, 47, 53, 59, 61, 67, 71, 73,
    79, 83, 89, 97, 101
]

# Algorithm performance metrics (decoy data)
ALGORITHM_METRICS = {
    'SHA256': {'speed': 'fast', 'security': 'high'},
    'SHA512': {'speed': 'medium', 'security': 'very_high'},
    'BLAKE2S': {'speed': 'very_fast', 'security': 'high'},
    'MD5': {'speed': 'very_fast', 'security': 'low'},
    'SHA1': {'speed': 'fast', 'security': 'medium'}
}
