from typing import Optional
from PIL import Image
import re

class SmartAgent:
    def __init__(self):
        print("SmartAgent initialized. Supports text, web, image, and video reasoning.")

    def search_web(self, query: str) -> str:
        # Dummy placeholder: integrate with SerpAPI, Bing, or Hugging Face Tools
        print(f"Searching the web for: {query}")
        return f"[Web search results for '{query}']"

    def explain_image_url(self, url: str) -> str:
        # Dummy logic: assume image explanation
        print(f"Explaining image URL: {url}")
        return f"[Explanation of image at '{url}']"

    def explain_video_url(self, url: str) -> str:
        # Dummy logic: assume video explanation
        print(f"Explaining video URL: {url}")
        return f"[Explanation of video at '{url}']"

    def answer_complex_question(self, question: str) -> str:
        # Dummy placeholder: connect to LLM like OpenAI GPT-4 or similar
        print(f"Answering complex question: {question}")
        return f"[LLM-generated answer to: '{question}']"

    def detect_intent(self, question: str) -> str:
        """Naive intent detection for routing."""
        if "http" in question and (".jpg" in question or ".png" in question):
            return "image"
        elif "http" in question and (".mp4" in question or "youtube.com" in question):
            return "video"
        elif "search" in question.lower() or "look up" in question.lower():
            return "web"
        return "complex"

    def __call__(self, question: str) -> str:
        intent = self.detect_intent(question)
        print(f"Detected intent: {intent}")

        if intent == "image":
            return self.explain_image_url(question)
        elif intent == "video":
            return self.explain_video_url(question)
        elif intent == "web":
            return self.search_web(question)
        else:
            return self.answer_complex_question(question)