"""RFC compliance testing framework."""
# CRITICAL: ALL I/O OPERATIONS MUST USE ANYIO - NO ASYNCIO IMPORTS ALLOWED
import anyio
from abc import ABC, abstractmethod
from typing import Dict, Any, List, Optional, Type
from dataclasses import dataclass
from enum import Enum

class ComplianceTestResult(Enum):
    """RFC compliance test results."""
    PASS = "pass"
    FAIL = "fail"
    SKIP = "skip"
    ERROR = "error"

@dataclass
class RFCTestVector:
    """RFC test vector definition."""
    name: str
    description: str
    input_data: Any
    expected_output: Any
    rfc_section: str
    test_type: str

@dataclass
class ComplianceTestReport:
    """RFC compliance test report."""
    rfc_number: str
    protocol_name: str
    test_results: Dict[str, ComplianceTestResult]
    details: Dict[str, Any]
    total_tests: int
    passed_tests: int
    failed_tests: int
    compliance_percentage: float

class RFCComplianceFramework:
    """Framework for RFC compliance testing."""
    
    def __init__(self):
        self._test_vectors: Dict[str, List[RFCTestVector]] = {}
        self._registered_clients: Dict[str, Type] = {}
    
    def register_test_vectors(self, rfc_number: str, test_vectors: List[RFCTestVector]) -> None:
        """Register test vectors for an RFC."""
        self._test_vectors[rfc_number] = test_vectors
    
    def register_client(self, rfc_number: str, client_class: Type) -> None:
        """Register a client implementation for testing."""
        self._registered_clients[rfc_number] = client_class
    
    async def run_compliance_tests(self, rfc_number: str, client_instance: Any) -> ComplianceTestReport:
        """Run RFC compliance tests for a client implementation."""
        if rfc_number not in self._test_vectors:
            raise ValueError(f"No test vectors registered for {rfc_number}")
        
        test_vectors = self._test_vectors[rfc_number]
        results = {}
        details = {}
        
        passed = 0
        failed = 0
        
        for test_vector in test_vectors:
            try:
                result = await self._run_single_test(client_instance, test_vector)
                results[test_vector.name] = result
                
                if result == ComplianceTestResult.PASS:
                    passed += 1
                elif result == ComplianceTestResult.FAIL:
                    failed += 1
                    
            except Exception as e:
                results[test_vector.name] = ComplianceTestResult.ERROR
                details[test_vector.name] = str(e)
                failed += 1
        
        total = len(test_vectors)
        compliance_percentage = (passed / total * 100) if total > 0 else 0
        
        return ComplianceTestReport(
            rfc_number=rfc_number,
            protocol_name=client_instance.__class__.__name__,
            test_results=results,
            details=details,
            total_tests=total,
            passed_tests=passed,
            failed_tests=failed,
            compliance_percentage=compliance_percentage
        )
    
    async def _run_single_test(self, client: Any, test_vector: RFCTestVector) -> ComplianceTestResult:
        """Run a single RFC compliance test."""
        # This is protocol-specific and will be implemented by subclasses
        # For now, return SKIP as placeholder
        return ComplianceTestResult.SKIP
    
    def get_test_vectors(self, rfc_number: str) -> List[RFCTestVector]:
        """Get test vectors for an RFC."""
        return self._test_vectors.get(rfc_number, [])

# Global compliance framework instance
compliance_framework = RFCComplianceFramework()