"""
Agent for correcting grammar in text
"""
import groq
from config import get_settings

settings = get_settings()

class GrammarCorrector:
    """Class for correcting grammar in text using LLM"""
    
    def __init__(self):
        self.groq_api_key = settings.GROQ_API_KEY
        self.model_name = settings.MODEL_NAME
        self.temperature = settings.GRAMMAR_CORRECTION_TEMPERATURE
    
    def correct_grammar(self, text: str) -> str:
        """
        Corrects grammar in user input using Groq's LLM.
        
        Args:
            text: The text to correct
            
        Returns:
            The corrected text
        """
        if not text:
            return text
            
        client = groq.Groq(api_key=self.groq_api_key)
        
        try:
            chat_completion = client.chat.completions.create(
                messages=[
                    {
                        "role": "user",
                        "content": f"Correct any grammar, spelling, or punctuation errors in the following text, but keep the meaning exactly the same: '{text}'"
                    }
                ],
                model=self.model_name,
                temperature=self.temperature,
                max_tokens=settings.MAX_TOKENS
            )
            return chat_completion.choices[0].message.content
        except Exception as e:
            if settings.DEBUG:
                print(f"Error during grammar correction: {e}")
            return text  # Return original text if correction fails


# Create module-level instance for easier imports
grammar_corrector = GrammarCorrector()

# Export function for backward compatibility
def correct_grammar(text: str) -> str:
    """Legacy function for backward compatibility"""
    return grammar_corrector.correct_grammar(text)