app.py

from fastapi import FastAPI, HTTPException
from pydantic import BaseModel
from datetime import datetime

app = FastAPI(title="Superpowers SaaS", description="Agentic skills framework for developers")

class User(BaseModel):
    username: str
    superpower: str
    level: int

# Mock data
users_db = {
    "alice": {"username": "alice", "superpower": "invisibility", "level": 3},
    "bob": {"username": "bob", "superpower": "telepathy", "level": 5}
}

@app.get("/health")
async def health_check():
    return {"status": "ok", "timestamp": datetime.now()}

@app.get("/users/{username}", response_model=User)
async def get_user(username: str):
    user = users_db.get(username)
    if not user:
        raise HTTPException(status_code=404, detail="User not found")
    return user

@app.post("/users/", response_model=User)
async def create_user(user: User):
    if user.username in users_db:
        raise HTTPException(status_code=400, detail="User already exists")
    users_db[user.username] = user.dict()
    return user

@app.put("/users/{username}", response_model=User)
async def update_user(username: str, user: User):
    if username not in users_db:
        raise HTTPException(status_code=404, detail="User not found")
    users_db[username] = user.dict()
    return user

@app.delete("/users/{username}")
async def delete_user(username: str):
    if username not in users_db:
        raise HTTPException(status_code=404, detail="User not found")
    del users_db[username]
    return {"detail": "User deleted successfully"}

# Run with: uvicorn filename:app --reload