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

router = APIRouter()

@router.post("/register")
async def register_user(
    username: str,
    email: str,
    password: str,
    full_name: Optional[str] = None
):
    """Register new user endpoint"""
    if username in fake_users_db:
        raise HTTPException(status_code=400, detail="Username already registered")
    
    if any(user["email"] == email for user in fake_users_db.values()):
        raise HTTPException(status_code=400, detail="Email already registered")
    
    user_id = str(uuid.uuid4())
    fake_users_db[username] = {
        "id": user_id,
        "username": username,
        "email": email,
        "password": password,
        "full_name": full_name,
        "disabled": False,
        "created_at": str(uuid.uuid1())
    }
    
    return {
        "message": "User registered successfully",
        "user": {
            "id": user_id,
            "username": username,
            "email": email,
            "full_name": full_name
        },
        "next_steps": [
            "Verify your email address",
            "Complete your profile",
            "Set up two-factor authentication"
        ],
        "features": {
            "rate_limit": 100,
            "trial_period_days": 30
        }
    }