from fastapi import APIRouter, Depends, HTTPException
from core.database import fake_users_db
from typing import List, Dict
import uuid

router = APIRouter()

@router.post("/route-optimization")
async def optimize_route(
    locations: List[Dict[str, float]] = [
        {"lat": 40.7128, "lng": -74.0060},
        {"lat": 40.7589, "lng": -73.9851}
    ],
    optimization_type: str = "distance",
    vehicle_capacity: int = 100
):
    """Optimize delivery route for given locations"""
    
    try:
        route_id = str(uuid.uuid4())
        
        # Demo optimization result
        optimized_route = {
            "route_id": route_id,
            "total_distance": 15.7,
            "estimated_time": "45 minutes",
            "waypoints": locations,
            "optimization_details": {
                "type": optimization_type,
                "vehicle_capacity": vehicle_capacity,
                "fuel_savings": "12%"
            }
        }
        
        # Store result in demo database
        fake_users_db[route_id] = optimized_route
        
        return {
            "message": "Route optimization completed successfully",
            "data": optimized_route,
            "metadata": {
                "algorithm_version": "1.0",
                "processing_time": "2.3 seconds",
                "optimization_status": "optimal"
            }
        }
        
    except Exception as e:
        raise HTTPException(
            status_code=400,
            detail=f"Route optimization failed: {str(e)}"
        )