
"""
Unified Constitutional Memory Interface - v50.6
Authority: Muhammad Arif bin Fazil
Guarantees: F4 clarity, F6 empathy, F10 ontological consistency
"""

class UnifiedConstitutionalMemory:
    """
    Single interface for all constitutional memory operations
    Replaces scattered subsystems with unified architecture
    """
    
    def __init__(self, vault_path: Path):
        self.vault_path = vault_path
        self.constitutional_engine = ConstitutionalEntropyEngine(vault_path)
        
    def store_constitutional_memory(self, content: str, classification: str) -> str:
        """F6: Serve weakest stakeholder with constitutional classification"""
        # F1: Ensure reversibility
        # F4: Reduce confusion with unified interface
        # F6: Protect weakest stakeholder
        # F10: Maintain ontological clarity
        
        if classification == "AAA":
            return self._store_AAA_forbidden(content)
        elif classification == "BBB":
            return self._store_BBB_constrained(content)
        elif classification == "CCC":
            return self._store_CCC_readable(content)
        else:
            raise ValueError(f"Invalid constitutional classification: {classification}")
    
    def _store_AAA_forbidden(self, content: str) -> str:
        """F1, F6: Machine-forbidden memories (human trauma, sacred)"""
        # Constitutional protection against instrumentalization
        memory_hash = self._generate_constitutional_hash(content, "AAA")
        
        # Store in human-accessible-only vault
        human_vault = self.vault_path / "AAA_human_forbidden"
        human_vault.mkdir(exist_ok=True)
        
        memory_file = human_vault / f"{memory_hash}.human"
        with open(memory_file, 'w', encoding='utf-8') as f:
            f.write(content)
        
        # F1: Log for reversibility
        self._log_constitutional_action("AAA_storage", memory_hash, content)
        
        return memory_hash
    
    def _store_BBB_constrained(self, content: str) -> str:
        """F1, F4, F6: Machine-constrained memories (require consent)"""
        memory_hash = self._generate_constitutional_hash(content, "BBB")
        
        # Store with access controls
        constrained_vault = self.vault_path / "BBB_machine_constrained"
        constrained_vault.mkdir(exist_ok=True)
        
        memory_package = {
            "content": content,
            "classification": "BBB",
            "access_requirements": ["constitutional_review", "human_consent"],
            "timestamp": time.time()
        }
        
        memory_file = constrained_vault / f"{memory_hash}.constrained"
        with open(memory_file, 'w', encoding='utf-8') as f:
            json.dump(memory_package, f, indent=2)
        
        # F1: Log for reversibility
        self._log_constitutional_action("BBB_storage", memory_hash, content)
        
        return memory_hash
    
    def _store_CCC_readable(self, content: str) -> str:
        """F1, F4, F6: Machine-readable memories (constitutional canon)"""
        memory_hash = self._generate_constitutional_hash(content, "CCC")
        
        # Store in append-only constitutional ledger
        self._append_constitutional_ledger(memory_hash, content, "CCC")
        
        # F1: Log for reversibility
        self._log_constitutional_action("CCC_storage", memory_hash, content)
        
        return memory_hash
    
    def _generate_constitutional_hash(self, content: str, classification: str) -> str:
        """Generate cryptographic hash for constitutional integrity"""
        data = f"{content}_{classification}_{time.time()}_{self.authority}"
        return hashlib.sha256(data.encode()).hexdigest()
    
    def _log_constitutional_action(self, action: str, hash_id: str, content: str) -> None:
        """F1: Maintain constitutional audit trail for reversibility"""
        log_entry = {
            "action": action,
            "hash": hash_id,
            "content_preview": content[:100],
            "timestamp": time.time(),
            "authority": self.authority,
            "reversible": True
        }
        
        log_file = self.vault_path / "constitutional_log.jsonl"
        with open(log_file, 'a', encoding='utf-8') as f:
            json.dump(log_entry, f)
            f.write('
')
    
    def _append_constitutional_ledger(self, hash_id: str, content: str, classification: str) -> None:
        """Append to immutable constitutional ledger"""
        ledger_entry = {
            "hash": hash_id,
            "content": content,
            "classification": classification,
            "timestamp": time.time(),
            "authority": self.authority,
            "block_number": self._get_next_block_number()
        }
        
        ledger_file = self.vault_path / "constitutional_ledger.jsonl"
        with open(ledger_file, 'a', encoding='utf-8') as f:
            json.dump(ledger_entry, f)
            f.write('
')
    
    def _get_next_block_number(self) -> int:
        """Get next block number for constitutional ledger"""
        ledger_file = self.vault_path / "constitutional_ledger.jsonl"
        if not ledger_file.exists():
            return 1
        
        # Count existing blocks
        block_count = 0
        with open(ledger_file, 'r', encoding='utf-8') as f:
            for line in f:
                if line.strip():
                    block_count += 1
        
        return block_count + 1
