import requests
import json
from typing import Dict, Optional

class LLMClient:
    def __init__(self, endpoint: str = 'http://192.168.1.74:1234', model: str = 'local'):
        self.endpoint = endpoint
        self.model = model
        self.local_ollama = 'http://localhost:11434'

    def summarize(self, text: str, max_length: int = 200) -> Dict:
        prompt = f"Summarize the following in {max_length} chars or less:\n\n{text[:2000]}"
        return self._query(prompt)

    def extract_topics(self, text: str) -> Dict:
        prompt = f"Extract 5-10 key topics/tags from this text. Return as comma-separated list:\n\n{text[:2000]}"
        return self._query(prompt)

    def classify_content(self, text: str) -> Dict:
        prompt = f"Classify this content. Return: category, topics, has_pii (yes/no), quality (high/medium/low):\n\n{text[:1000]}"
        return self._query(prompt)

    def _query(self, prompt: str, use_local: bool = False) -> Dict:
        try:
            endpoint = self.local_ollama if use_local else self.endpoint

            if use_local:
                response = requests.post(
                    f'{endpoint}/api/generate',
                    json={'model': 'llama3.2', 'prompt': prompt, 'stream': False},
                    timeout=30
                )
            else:
                response = requests.post(
                    f'{endpoint}/v1/chat/completions',
                    json={
                        'model': self.model,
                        'messages': [{'role': 'user', 'content': prompt}],
                        'max_tokens': 500
                    },
                    timeout=30
                )

            if response.status_code == 200:
                data = response.json()
                if use_local:
                    return {'success': True, 'text': data.get('response', '')}
                else:
                    return {'success': True, 'text': data['choices'][0]['message']['content']}
            else:
                return {'success': False, 'error': f'HTTP {response.status_code}'}

        except Exception as e:
            return {'success': False, 'error': str(e)}