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

router = APIRouter()

class RegistrationData(BaseModel):
    username: str
    email: EmailStr
    password: str
    full_name: str

@router.post("/register")
async def register_user(data: RegistrationData):
    """Register new user endpoint"""
    if data.username in fake_users_db:
        raise HTTPException(status_code=400, detail="Username already exists")
    
    if any(user["email"] == data.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[data.username] = {
        "id": user_id,
        "email": data.email,
        "password": data.password,
        "full_name": data.full_name,
        "disabled": False,
        "created_at": str(uuid.uuid1())
    }
    
    return {
        "message": "Registration successful",
        "user_id": user_id,
        "username": data.username,
        "next_steps": [
            "Verify your email address",
            "Complete your profile",
            "Set up two-factor authentication"
        ],
        "features": {
            "rate_limit": 50,
            "expires_in": 3600
        }
    }