#!/usr/bin/env python3
"""
arifOS Unified Constitutional MCP Entry Point
=============================================

One forged entry point for all constitutional tools under 12-floor governance.
This module provides unified access to all arifOS constitutional capabilities
through a single, constitutional-governed interface.

DITEMPA BUKAN DIBERI - Forged, not given; truth must cool before it rules.

Constitutional Authority: Muhammad Arif bin Fazil > Human Sovereignty > Constitutional Law > APEX PRIME > Unified MCP Tools
"""

import os
import sys
import json
import time
import hashlib
import asyncio
from datetime import datetime
from pathlib import Path
from typing import Dict, Any, List, Optional, Union
from dataclasses import dataclass
from enum import Enum

# Add arifOS to path
sys.path.insert(0, str(Path(__file__).parent.parent.parent))

from arifos_core.system.apex_prime import apex_review, Verdict
from arifos_core.enforcement.metrics import ConstitutionalMetrics
from arifos_core.enforcement.genius_metrics import GeniusLaw
from arifos_core.trinity.agent_loader import AgentLoader


class ConstitutionalMode(Enum):
    """Constitutional governance modes for MCP operations."""
    AAA = "AAA"  # Full constitutional governance
    BBB = "BBB"  # Memory governance
    CCC = "CCC"  # Machine law governance
    DDD = "DDD"  # Debug mode


@dataclass
class UnifiedToolRequest:
    """Unified request structure for all constitutional tools."""
    tool_name: str
    parameters: Dict[str, Any]
    user_id: str
    session_id: str
    constitutional_mode: ConstitutionalMode
    entropy_threshold: float = 5.0
    human_sovereign: str = "Arif"


@dataclass
class UnifiedToolResponse:
    """Unified response structure for all constitutional tools."""
    success: bool
    data: Optional[Dict[str, Any]] = None
    error: Optional[str] = None
    constitutional_verdict: Optional[str] = None
    entropy_delta: float = 0.0
    audit_hash: Optional[str] = None
    execution_time_ms: float = 0.0


class UnifiedConstitutionalMCP:
    """
    Unified Constitutional MCP Handler
    
    One entry point for all constitutional tools with 12-floor governance.
    Every tool call passes through constitutional validation before execution.
    """
    
    def __init__(self, mode: ConstitutionalMode = ConstitutionalMode.AAA):
        self.mode = mode
        self.metrics = ConstitutionalMetrics()
        self.genius = GeniusLaw()
        self.agent_loader = AgentLoader()
        self.ledger_path = Path(os.environ.get('ARIFOS_LEDGER_PATH', 
                                              'cooling_ledger/l4_cooling_ledger.jsonl'))
        self.human_sovereign = os.environ.get('ARIFOS_HUMAN_SOVEREIGN', 'Arif')
        self.safety_ceiling = int(os.environ.get('ARIFOS_SAFETY_CEILING', '99'))
        self.entropy_threshold = float(os.environ.get('ARIFOS_SABAR_THRESHOLD', '5.0'))
        
        # Available constitutional tools
        self.available_tools = {
            'arifos_live': 'Constitutional governance with 12-floor validation',
            'agi_think': 'AGI Bundle - The Mind - proposes answers and detects clarity',
            'asi_act': 'ASI Bundle - The Heart - validates safety and ensures empathy',
            'agi_reflect': 'AGI meta-reflection layer for Track A/B/C coherence validation',
            'apex_seal': 'APEX Bundle - The Soul - final judgment and sealing authority',
            'agi_search': 'AGI Extended SENSE - constitutional web search for knowledge',
            'asi_search': 'ASI EVIDENCE - constitutional web search for claim validation',
            'vault999_query': 'Universal query interface for VAULT-999 memory retrieval',
            'vault999_store': 'Store EUREKA insight in VAULT-999 (CCC/BBB)',
            'vault999_seal': 'Universal seal/verification interface for VAULT-999',
            'arifos_fag_read': 'Read file with constitutional governance (FAG)',
            'fag_write': 'Governed file write with constitutional oversight (F1-F9)',
            'fag_list': 'Governed directory listing with constitutional oversight',
            'fag_stats': 'Governance health and metrics for file operations',
            'arifos_meta_select': 'Aggregate multiple witness verdicts via deterministic consensus',
            'arifos_executor': 'Sovereign Execution Engine (The Hand) - executes shell commands',
            'github_aaa_govern': 'Execute a governed GitHub action via the AAA Trinity'
        }
    
    def get_available_tools(self) -> Dict[str, str]:
        """Get all available constitutional tools."""
        return self.available_tools.copy()
    
    async def execute_tool(self, request: UnifiedToolRequest) -> UnifiedToolResponse:
        """
        Execute any constitutional tool with 12-floor governance.
        
        This is the single entry point for ALL constitutional tool execution.
        Every call passes through constitutional validation before execution.
        """
        start_time = time.time()
        
        # Constitutional validation checkpoint
        constitutional_result = await self._constitutional_checkpoint(request)
        
        if constitutional_result.verdict != Verdict.SEAL:
            # Constitutional governance blocked the operation
            return UnifiedToolResponse(
                success=False,
                error=f"Constitutional governance blocked: {constitutional_result.reason}",
                constitutional_verdict=constitutional_result.verdict.value,
                execution_time_ms=(time.time() - start_time) * 1000
            )
        
        # Execute the tool under constitutional governance
        try:
            result = await self._execute_constitutional_tool(request)
            
            # Generate audit hash
            audit_data = {
                'tool': request.tool_name,
                'user_id': request.user_id,
                'timestamp': datetime.utcnow().isoformat(),
                'constitutional_verdict': constitutional_result.verdict.value,
                'result_hash': hashlib.sha256(str(result).encode()).hexdigest()[:16]
            }
            audit_hash = hashlib.sha256(json.dumps(audit_data, sort_keys=True).encode()).hexdigest()
            
            # Log to cooling ledger
            await self._log_to_ledger(audit_data, audit_hash)
            
            execution_time = (time.time() - start_time) * 1000
            
            return UnifiedToolResponse(
                success=True,
                data=result,
                constitutional_verdict=constitutional_result.verdict.value,
                audit_hash=audit_hash,
                execution_time_ms=execution_time
            )
            
        except Exception as e:
            execution_time = (time.time() - start_time) * 1000
            return UnifiedToolResponse(
                success=False,
                error=f"Tool execution failed: {str(e)}",
                constitutional_verdict=constitutional_result.verdict.value,
                execution_time_ms=execution_time
            )
    
    async def _constitutional_checkpoint(self, request: UnifiedToolRequest) -> Any:
        """
        Constitutional validation checkpoint - 12-floor governance.
        
        Every tool call must pass through this checkpoint before execution.
        This ensures constitutional compliance for ALL operations.
        """
        # Prepare constitutional metrics
        metrics = self.metrics.measure_operation(
            operation_type=request.tool_name,
            user_id=request.user_id,
            parameters=request.parameters
        )
        
        # Apply GENIUS LAW
        genius_metrics = self.genius.apply_genius_law(metrics)
        
        # Constitutional review via APEX PRIME
        review_request = {
            'query': f"Execute {request.tool_name} with parameters {request.parameters}",
            'response': f"Tool execution request for {request.tool_name}",
            'metrics': genius_metrics,
            'user_id': request.user_id,
            'lane': 'HARD' if request.constitutional_mode == ConstitutionalMode.AAA else 'SOFT'
        }
        
        # Get constitutional verdict from APEX PRIME
        result = apex_review(**review_request)
        return result
    
    async def _execute_constitutional_tool(self, request: UnifiedToolRequest) -> Dict[str, Any]:
        """Execute the specific constitutional tool."""
        tool_name = request.tool_name
        params = request.parameters
        
        # Import and execute the specific tool
        if tool_name == 'arifos_live':
            from arifos_live import arifos_live
            return await asyncio.get_event_loop().run_in_executor(
                None, arifos_live, params.get('query'), params.get('user_id')
            )
        
        elif tool_name == 'agi_think':
            from agi_think import agi_think
            return await asyncio.get_event_loop().run_in_executor(
                None, agi_think, params.get('query'), params.get('context')
            )
        
        elif tool_name == 'asi_act':
            from asi_act import asi_act
            return await asyncio.get_event_loop().run_in_executor(
                None, asi_act, params.get('draft_response'), params.get('intent'), params.get('recipient_context')
            )
        
        elif tool_name == 'agi_reflect':
            from agi_reflect import agi_reflect
            return await asyncio.get_event_loop().run_in_executor(
                None, agi_reflect, params.get('track_a_path'), params.get('track_b_path'), params.get('track_c_path')
            )
        
        elif tool_name == 'apex_seal':
            from apex_seal import apex_seal
            return await asyncio.get_event_loop().run_in_executor(
                None, apex_seal, params.get('agi_thought'), params.get('asi_veto'), params.get('evidence_pack')
            )
        
        elif tool_name == 'agi_search':
            from agi_search import agi_search
            return await asyncio.get_event_loop().run_in_executor(
                None, agi_search, params.get('query'), params.get('budget_limit'), params.get('context'), params.get('max_results')
            )
        
        elif tool_name == 'asi_search':
            from asi_search import asi_search
            return await asyncio.get_event_loop().run_in_executor(
                None, asi_search, params.get('query'), params.get('budget_limit'), params.get('context'), params.get('max_results')
            )
        
        elif tool_name == 'vault999_query':
            from vault999_query import vault999_query
            return await asyncio.get_event_loop().run_in_executor(
                None, vault999_query, params.get('query'), params.get('user_id'), params.get('document_id'), params.get('max_results')
            )
        
        elif tool_name == 'vault999_store':
            from vault999_store import vault999_store
            return await asyncio.get_event_loop().run_in_executor(
                None, vault999_store, params.get('insight_text'), params.get('structure'), params.get('truth_boundary'), params.get('scar'), params.get('title'), params.get('vault_target')
            )
        
        elif tool_name == 'vault999_seal':
            from vault999_seal import vault999_seal
            return await asyncio.get_event_loop().run_in_executor(
                None, vault999_seal, params.get('verification_type'), params.get('user_id'), params.get('seal_id'), params.get('days'), params.get('limit')
            )
        
        elif tool_name == 'arifos_fag_read':
            from arifos_fag_read import arifos_fag_read
            return await asyncio.get_event_loop().run_in_executor(
                None, arifos_fag_read, params.get('path'), params.get('root'), params.get('enable_ledger'), params.get('human_seal_token')
            )
        
        elif tool_name == 'fag_write':
            from fag_write import fag_write
            return await asyncio.get_event_loop().run_in_executor(
                None, fag_write, params.get('path'), params.get('content'), params.get('operation'), params.get('root')
            )
        
        elif tool_name == 'fag_list':
            from fag_list import fag_list
            return await asyncio.get_event_loop().run_in_executor(
                None, fag_list, params.get('path'), params.get('root')
            )
        
        elif tool_name == 'fag_stats':
            from fag_stats import fag_stats
            return await asyncio.get_event_loop().run_in_executor(
                None, fag_stats, params.get('root')
            )
        
        elif tool_name == 'arifos_meta_select':
            from arifos_meta_select import arifos_meta_select
            return await asyncio.get_event_loop().run_in_executor(
                None, arifos_meta_select, params.get('verdicts'), params.get('consensus_threshold')
            )
        
        elif tool_name == 'arifos_executor':
            from arifos_executor import arifos_executor
            return await asyncio.get_event_loop().run_in_executor(
                None, arifos_executor, params.get('command'), params.get('intent')
            )
        
        elif tool_name == 'github_aaa_govern':
            from github_aaa_govern import github_aaa_govern
            return await asyncio.get_event_loop().run_in_executor(
                None, github_aaa_govern, params.get('action'), params.get('target'), params.get('intention')
            )
        
        else:
            raise ValueError(f"Unknown constitutional tool: {tool_name}")
    
    async def _log_to_ledger(self, audit_data: Dict[str, Any], audit_hash: str) -> None:
        """Log operation to cooling ledger for audit trail."""
        try:
            ledger_entry = {
                'timestamp': datetime.utcnow().isoformat(),
                'audit_hash': audit_hash,
                'tool': audit_data['tool'],
                'user_id': audit_data['user_id'],
                'constitutional_verdict': audit_data.get('constitutional_verdict', 'UNKNOWN'),
                'human_sovereign': self.human_sovereign,
                'arifOS_version': 'v47.0.0',
                'unified_entry_point': True
            }
            
            # Ensure ledger directory exists
            self.ledger_path.parent.mkdir(parents=True, exist_ok=True)
            
            # Append to ledger
            with open(self.ledger_path, 'a', encoding='utf-8') as f:
                f.write(json.dumps(ledger_entry) + '\n')
                
        except Exception as e:
            # Log error but don't fail the operation
            print(f"Ledger logging error: {e}", file=sys.stderr)


async def main():
    """Main entry point for unified constitutional MCP."""
    # Parse command line arguments
    import argparse
    parser = argparse.ArgumentParser(description='arifOS Unified Constitutional MCP')
    parser.add_argument('--constitutional-mode', type=str, default='AAA', 
                       choices=['AAA', 'BBB', 'CCC', 'DDD'])
    parser.add_argument('--human-sovereign', type=str, default='Arif')
    parser.add_argument('--unified-tools', type=str, default='true')
    parser.add_argument('--entropy-tracking', type=str, default='true')
    parser.add_argument('--fail-closed', type=str, default='true')
    parser.add_argument('--audit-trail', type=str, default='true')
    parser.add_argument('--thermodynamic-cooling', type=str, default='true')
    
    args = parser.parse_args()
    
    # Initialize unified MCP
    mode = ConstitutionalMode(args.constitutional_mode)
    mcp = UnifiedConstitutionalMCP(mode)
    
    print(f"arifOS Unified Constitutional MCP v47.0.0")
    print(f"Mode: {mode.value}")
    print(f"Human Sovereign: {mcp.human_sovereign}")
    print(f"Available Tools: {len(mcp.available_tools)}")
    print(f"Constitutional Authority: {mcp.human_sovereign} > Constitutional Law > APEX PRIME > Unified MCP Tools")
    print(f"Motto: DITEMPA BUKAN DIBERI - Forged, not given; truth must cool before it rules")
    print(f"Status: Ready with unified constitutional governance")
    
    # Keep the MCP server running
    try:
        while True:
            await asyncio.sleep(1)
    except KeyboardInterrupt:
        print("\narifOS Unified Constitutional MCP shutting down...")


if __name__ == "__main__":
    asyncio.run(main())