from modaic import PrecompiledAgent, PrecompiledConfig
from .modules import TweetGeneratorModule, TweetEvaluatorModule
from .models import EvaluationResult
from .hill_climbing import HillClimbingOptimizer
from typing import Optional, List
from .utils import get_dspy_lm
from .constants import DEFAULT_CATEGORIES, DEFAULT_ITERATIONS, DEFAULT_PATIENCE


class TweetOptimizerConfig(PrecompiledConfig):
    lm: str = "openrouter/google/gemini-2.5-flash"
    eval_lm: str = "openrouter/openai/gpt-5"
    categories: List[str] = DEFAULT_CATEGORIES
    max_iterations: int = DEFAULT_ITERATIONS
    patience: int = DEFAULT_PATIENCE


class TweetOptimizerAgent(PrecompiledAgent):
    config: TweetOptimizerConfig

    current_tweet: str = ""
    previous_evaluation: Optional[EvaluationResult] = None
    
    def __init__(self, config: TweetOptimizerConfig, **kwargs):
        super().__init__(config, **kwargs)
        self.tweet_generator = TweetGeneratorModule()
        self.tweet_evaluator = TweetEvaluatorModule()

        # set up optimizer
        self.optimizer = HillClimbingOptimizer(
            generator=self.tweet_generator,
            evaluator=self.tweet_evaluator,
            categories=config.categories,
            max_iterations=config.max_iterations,
            patience=config.patience
        )

        self.lm = config.lm
        self.eval_lm = config.eval_lm
        self.categories = config.categories
        self.max_iterations = config.max_iterations
        self.patience = config.patience

        # initialize DSPy with the specified model
        self.tweet_generator.set_lm(get_dspy_lm(config.lm))
        self.tweet_evaluator.set_lm(get_dspy_lm(config.eval_lm))

    def forward(
        self,
        input_text: str,
        iterations: Optional[int] = None,
        patience: Optional[int] = None
    ) -> str:
        """Run full optimization process."""
        max_iterations = iterations or self.max_iterations
        patience_limit = patience or self.patience

        results = {
            'initial_text': input_text,
            'final_tweet': '',
            'best_score': 0.0,
            'iterations_run': 0,
            'early_stopped': False,
            'scores_history': [],
            'improvement_count': 0
        }

        best_tweet = ""
        best_score = 0.0

        for iteration, (current_tweet, scores, is_improvement, patience_counter, _, _) in enumerate(
            self.optimizer.optimize(input_text)
        ):
            iteration_num = iteration + 1
            results['iterations_run'] = iteration_num
            results['scores_history'].append(scores)

            if is_improvement:
                best_tweet = current_tweet
                best_score = sum(scores.category_scores) / len(scores.category_scores)
                results['improvement_count'] += 1

            # check for early stopping
            if patience_counter >= patience_limit:
                results['early_stopped'] = True
                break

            # stop at max iterations
            if iteration_num >= max_iterations:
                break

        results.update({
            'final_tweet': best_tweet,
            'best_score': best_score
        })

        self.reset()

        return results
    
    def reset(self):
        self.current_tweet = ""
        self.previous_evaluation = None


if __name__ == "__main__":
    # create agent with default config
    config = TweetOptimizerConfig()
    tweet_optimizer = TweetOptimizerAgent(config)
    import os

    # set up test environment (replace with real API key for actual usage)
    if not os.getenv("OPENROUTER_API_KEY"):
        raise ValueError("OPENROUTER_API_KEY environment variable is not set")

    # full optimization process
    print("\n=== Full Optimization Process ===")
    try:
        results = tweet_optimizer(
            input_text="Anthropic added a new OSS model on HuggingFace.",
            iterations=10,  # Reduced for testing
            patience=8
        )
        print(f"Initial text: {results['initial_text']}")
        print(f"Final tweet: {results['final_tweet']}")
        print(f"Best score: {results['best_score']:.2f}")
        print(f"Iterations run: {results['iterations_run']}")
        print(f"Improvements found: {results['improvement_count']}")
        print(f"Early stopped: {results['early_stopped']}")
    except Exception as e:
        print(f"Error in optimization: {e}")

    # push to hub
    print("\n=== Push to Hub ===")
    try:
        tweet_optimizer.push_to_hub(
             "farouk1/tweet-optimizer-v2",
             commit_message="Complete Migration",
             with_code=True
         )
        print("Successfully pushed to hub!")
    except Exception as e:
        print(f"Error pushing to hub: {e}")
   
    print("\n=== Agent Configuration ===")
    print(f"Model: {config.lm}")
    print(f"Categories: {config.categories}")
    print(f"Max iterations: {config.max_iterations}")
    print(f"Patience: {config.patience}")