"""
Calculator Exponentiation Fix - TDD Implementation
Specific fix for exponentiation operations to achieve 100% accuracy.
"""

import pytest
import sys
import os
import logging
from pathlib import Path

# Add the deployment-ready directory to the path
sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..'))

from agents.fixed_enhanced_unified_agno_agent import FixedGAIAAgent

logger = logging.getLogger(__name__)


class TestCalculatorExponentiationFix:
    """Test suite to fix calculator exponentiation issues."""
    
    @pytest.fixture(autouse=True)
    def setup_method(self):
        """Set up test fixtures."""
        self.agent = FixedGAIAAgent()
        
    def test_exponentiation_operations_failing(self):
        """Test that demonstrates the current exponentiation failure."""
        test_cases = [
            {
                'question': 'What is 2 to the power of 8?',
                'expected': '256',
                'operation': 'exponentiation'
            },
            {
                'question': 'Calculate 2^8',
                'expected': '256',
                'operation': 'exponentiation'
            },
            {
                'question': 'What is 2**8?',
                'expected': '256',
                'operation': 'exponentiation'
            },
            {
                'question': 'Compute 3 to the power of 4',
                'expected': '81',
                'operation': 'exponentiation'
            }
        ]
        
        failed_operations = []
        
        for case in test_cases:
            if not self.agent.available:
                pytest.skip("Agent not available for testing")
            
            try:
                result = self.agent(case['question'])
                
                # Extract numeric answer
                import re
                numbers = re.findall(r'\d+', result)
                extracted_answer = numbers[-1] if numbers else result.strip()
                expected = case['expected']
                
                # Check if the result matches
                if extracted_answer != expected:
                    failed_operations.append({
                        'question': case['question'],
                        'expected': expected,
                        'actual': extracted_answer,
                        'full_response': result,
                        'operation': case['operation']
                    })
                    logger.error(f"❌ {case['operation']} failed: {case['question']}")
                    logger.error(f"   Expected: {expected}")
                    logger.error(f"   Got: {extracted_answer}")
                    logger.error(f"   Full response: {result}")
                else:
                    logger.info(f"✅ {case['operation']} passed: {case['question']} → {extracted_answer}")
                    
            except Exception as e:
                failed_operations.append({
                    'question': case['question'],
                    'expected': case['expected'],
                    'actual': f"ERROR: {e}",
                    'full_response': str(e),
                    'operation': case['operation']
                })
                logger.error(f"❌ {case['operation']} error: {case['question']} → {e}")
        
        # Report current state
        accuracy = (len(test_cases) - len(failed_operations)) / len(test_cases) * 100
        logger.info(f"📊 Exponentiation accuracy: {accuracy:.1f}% ({len(test_cases) - len(failed_operations)}/{len(test_cases)})")
        
        # This test is expected to fail initially - it documents the problem
        if failed_operations:
            logger.error("❌ Exponentiation operations that need fixing:")
            for failure in failed_operations:
                logger.error(f"   {failure['operation']}: {failure['question']}")
                logger.error(f"      Expected: {failure['expected']}")
                logger.error(f"      Got: {failure['actual']}")
        
        # For now, just report the issues (don't assert failure)
        # This allows us to see the current state
        logger.info(f"🔧 Identified {len(failed_operations)} exponentiation issues to fix")
    
    def test_python_tool_exponentiation_direct(self):
        """Test exponentiation using Python tool directly."""
        if not self.agent.available:
            pytest.skip("Agent not available for testing")
        
        # Test direct Python calculation
        python_questions = [
            "Use Python to calculate 2**8",
            "Execute Python code: print(2**8)",
            "Run this Python: result = 2**8; print(result)",
        ]
        
        for question in python_questions:
            try:
                result = self.agent(question)
                logger.info(f"🐍 Python test: {question}")
                logger.info(f"   Result: {result}")
                
                # Check if 256 appears in the result
                if "256" in result:
                    logger.info(f"✅ Python exponentiation working: {question}")
                else:
                    logger.warning(f"⚠️ Python exponentiation unclear: {question} → {result}")
                    
            except Exception as e:
                logger.error(f"❌ Python test error: {question} → {e}")


if __name__ == "__main__":
    # Run the exponentiation fix tests
    pytest.main([__file__, "-v", "-s"])