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

router = APIRouter()

@router.get("/users/{user_id}")
async def get_user_handler(
    user_id: str,
    db: Session = Depends(get_db),
    token: str = Depends(oauth2_scheme)
):
    """Get user profile by ID"""
    user = fake_users_db.get(user_id)
    if not user:
        raise HTTPException(status_code=404, detail="User not found")
    return {
        "message": "User found",
        "data": user
    }

@router.put("/users/{user_id}")
async def update_user_handler(
    user_id: str,
    user_data: UserUpdateSchema,
    db: Session = Depends(get_db),
    token: str = Depends(oauth2_scheme)
):
    """Update user profile"""
    user = fake_users_db.get(user_id)
    if not user:
        raise HTTPException(status_code=404, detail="User not found")
    
    updated_user = update_user(user, user_data)
    fake_users_db[user_id] = updated_user
    
    return {
        "message": "User updated successfully",
        "data": updated_user
    }

@router.delete("/users/{user_id}")
async def delete_user_handler(
    user_id: str,
    db: Session = Depends(get_db),
    token: str = Depends(oauth2_scheme)
):
    """Delete user profile"""
    user = fake_users_db.get(user_id)
    if not user:
        raise HTTPException(status_code=404, detail="User not found")
    
    del fake_users_db[user_id]
    
    return {
        "message": "User deleted successfully"
    }

@router.get("/users")
async def list_users_handler(
    db: Session = Depends(get_db),
    token: str = Depends(oauth2_scheme)
):
    """List all users"""
    users = list(fake_users_db.values())
    return {
        "message": "Users retrieved successfully",
        "data": users,
        "metadata": {
            "total": len(users)
        }
    }