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": 40.7614, "lng": -73.9776}
    ],
    optimization_type: str = "fastest",
    vehicle_type: str = "car"
):
    """Optimize route between multiple locations"""
    route_id = str(uuiid.uuid4())
    
    if len(locations) < 2:
        raise HTTPException(
            status_code=400,
            detail="At least 2 locations required for route optimization"
        )
    
    # Demo response with simulated optimization
    optimized_route = {
        "id": route_id,
        "waypoints": locations,
        "total_distance": 12.5,
        "estimated_time": 25,
        "optimization_type": optimization_type,
        "vehicle_type": vehicle_type
    }
    
    return {
        "message": "Route optimized successfully",
        "data": optimized_route,
        "metadata": {
            "algorithm": "demo_optimizer_v1",
            "units": {
                "distance": "km",
                "time": "minutes"
            }
        }
    }