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

router = APIRouter()

class UserRegistration(BaseModel):
    username: str
    email: EmailStr
    password: str
    full_name: str | None = None

@router.post("/register")
async def register_user(user_data: UserRegistration):
    """Register a new user"""
    if user_data.username in fake_users_db:
        raise HTTPException(status_code=400, detail="Username already exists")
    
    user_id = str(uuid.uuid4())
    fake_users_db[user_data.username] = {
        "id": user_id,
        "email": user_data.email,
        "password": user_data.password,  # In production, hash this password
        "full_name": user_data.full_name,
        "disabled": False,
        "created_at": str(datetime.now())
    }
    
    return {
        "message": "User registered successfully",
        "user_id": user_id,
        "username": user_data.username,
        "next_steps": [
            "Verify your email address",
            "Complete your profile",
            "Set up two-factor authentication"
        ],
        "metadata": {
            "account_status": "pending_verification",
            "registration_date": str(datetime.now())
        }
    }