"""
OSINT engine for gathering intelligence from various sources.
"""
from typing import Dict, List, Any, Optional
import asyncio
import json
from datetime import datetime
import whois
from holehe.core import import_submodules
from holehe.core import get_functions
from geopy.geocoders import Nominatim
from geopy.exc import GeocoderTimedOut
import python_sherlock
from python_sherlock import sherlock_module
from tenacity import retry, stop_after_attempt, wait_exponential

class OSINTEngine:
    def __init__(self):
        self.holehe_modules = import_submodules("holehe.modules")
        self.holehe_functions = get_functions(self.holehe_modules)
        self.geolocator = Nominatim(user_agent="my_osint_app")
        
    async def search_username(self, username: str) -> Dict[str, Any]:
        """Search for username across multiple platforms."""
        results = {
            "found": [],
            "not_found": [],
            "errors": []
        }
        
        # Sherlock search
        try:
            sherlock_results = sherlock_module.search_username(username)
            for site, data in sherlock_results.items():
                if data.get("status") == "found":
                    results["found"].append({
                        "platform": site,
                        "url": data.get("url", ""),
                        "source": "sherlock"
                    })
                elif data.get("status") == "not found":
                    results["not_found"].append(site)
                else:
                    results["errors"].append(site)
        except Exception as e:
            print(f"Sherlock error: {e}")
        
        # Holehe search
        try:
            holehe_tasks = []
            for platform in self.holehe_functions:
                holehe_tasks.append(platform(username))
            
            holehe_results = await asyncio.gather(*holehe_tasks, return_exceptions=True)
            
            for result in holehe_results:
                if isinstance(result, Exception):
                    continue
                    
                if result.get("exists"):
                    results["found"].append({
                        "platform": result.get("name", "unknown"),
                        "url": result.get("url", ""),
                        "source": "holehe"
                    })
                else:
                    results["not_found"].append(result.get("name", "unknown"))
        except Exception as e:
            print(f"Holehe error: {e}")
        
        return results
    
    @retry(stop=stop_after_attempt(3), wait=wait_exponential(multiplier=1, min=4, max=10))
    async def search_domain(self, domain: str) -> Dict[str, Any]:
        """Get information about a domain."""
        try:
            w = whois.whois(domain)
            return {
                "registrar": w.registrar,
                "creation_date": w.creation_date,
                "expiration_date": w.expiration_date,
                "last_updated": w.updated_date,
                "status": w.status,
                "name_servers": w.name_servers,
                "emails": w.emails
            }
        except Exception as e:
            return {"error": str(e)}
    
    @retry(stop=stop_after_attempt(3), wait=wait_exponential(multiplier=1, min=4, max=10))
    async def search_location(self, location: str) -> Dict[str, Any]:
        """Get information about a location."""
        try:
            location_data = self.geolocator.geocode(location, timeout=10)
            if location_data:
                return {
                    "address": location_data.address,
                    "latitude": location_data.latitude,
                    "longitude": location_data.longitude,
                    "raw": location_data.raw
                }
            return {"error": "Location not found"}
        except GeocoderTimedOut:
            return {"error": "Geocoding service timed out"}
        except Exception as e:
            return {"error": str(e)}
    
    async def search_person(self, name: str, location: Optional[str] = None) -> Dict[str, Any]:
        """Search for information about a person."""
        results = {
            "name": name,
            "location": location,
            "social_profiles": [],
            "possible_emails": [],
            "location_info": None
        }
        
        # Get location information if provided
        if location:
            results["location_info"] = await self.search_location(location)
        
        # Generate possible email formats
        name_parts = name.lower().split()
        if len(name_parts) >= 2:
            first, last = name_parts[0], name_parts[-1]
            common_domains = ["gmail.com", "yahoo.com", "hotmail.com", "outlook.com"]
            email_formats = [
                f"{first}.{last}@{domain}",
                f"{first}{last}@{domain}",
                f"{first[0]}{last}@{domain}",
                f"{first}_{last}@{domain}"
            ]
            results["possible_emails"] = email_formats
        
        return results
    
    async def search(self, query: str, search_type: str = "username") -> Dict[str, Any]:
        """Main search interface."""
        try:
            if search_type == "username":
                return await self.search_username(query)
            elif search_type == "domain":
                return await self.search_domain(query)
            elif search_type == "location":
                return await self.search_location(query)
            elif search_type == "person":
                return await self.search_person(query)
            else:
                return {"error": f"Unknown search type: {search_type}"}
        except Exception as e:
            return {"error": str(e)}