import serpapi
import logging
from typing import List, Dict
from config import SERPAPI_KEY

logger = logging.getLogger(__name__)

def get_search_volume(query: str) -> int:
    """Fetch Google Trends interest over time (max value 0-100)."""
    if not SERPAPI_KEY:
        return 0
    try:
        client = serpapi.Client(api_key=SERPAPI_KEY)
        params = {
            "engine": "google_trends",
            "q": query,
            "date": "today 12-m",
            "tz": "420",
            "data_type": "TIMESERIES"
        }
        results = client.search(params)
        timeline = results.get("interest_over_time", {}).get("timeline_data", [])
        if timeline:
            values = [point["values"][0]["extracted_value"] for point in timeline if point.get("values")]
            return max(values) if values else 0
        return 0
    except Exception as e:
        logger.error(f"SerpAPI error: {e}")
        return 0

def search_competitors(idea: str) -> List[str]:
    if not SERPAPI_KEY:
        return []
    try:
        client = serpapi.Client(api_key=SERPAPI_KEY)
        params = {
            "engine": "google",
            "q": f"{idea} startup",
            "num": 10
        }
        results = client.search(params)
        organic = results.get("organic_results", [])
        return [r["title"] for r in organic][:5]
    except Exception as e:
        logger.error(f"SerpAPI error: {e}")
        return []

def search_funding_news(idea: str) -> List[Dict]:
    if not SERPAPI_KEY:
        return []
    try:
        client = serpapi.Client(api_key=SERPAPI_KEY)
        params = {
            "engine": "google_news",
            "q": f"{idea} funding",
            "num": 5
        }
        results = client.search(params)
        news = results.get("news_results", [])
        return [{"title": n["title"], "link": n["link"]} for n in news]
    except Exception as e:
        logger.error(f"SerpAPI error: {e}")
        return []