from fastapi import FastAPI, Depends, HTTPException
from fastapi.middleware.cors import CORSMiddleware
from sqlalchemy.orm import Session
from sqlalchemy import text
from app.database import get_db, engine
from app import models, seed
from app.routers import auth, users, chests, profiles
from app.config import get_settings

from app.middleware import IdempotencyMiddleware

settings = get_settings()

# Create all tables
models.Base.metadata.create_all(bind=engine)

app = FastAPI(title="Card Game Backend")

# CORS Middleware (before other middleware)
app.add_middleware(
    CORSMiddleware,
    allow_origins=settings.cors_origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

app.add_middleware(IdempotencyMiddleware)

app.include_router(auth.router)
app.include_router(users.router)
app.include_router(chests.router)
app.include_router(profiles.router)

@app.on_event("startup")
def startup_event():
    db = next(get_db())
    seed.seed_data(db)

@app.get("/health")
def health_check():
    return {"status": "ok"}

@app.get("/catalog/cards")
def get_cards(db: Session = Depends(get_db)):
    return db.query(models.Card).all()

@app.get("/catalog/chests")
def get_chests(db: Session = Depends(get_db)):
    return db.query(models.Chest).all()

@app.get("/db-check")
def db_check(db: Session = Depends(get_db)):
    try:
        # Execute simple query to check connection
        db.execute(text("SELECT 1"))
        return {"db": "ok"}
    except Exception as e:
        raise HTTPException(status_code=500, detail=f"Database connection failed: {str(e)}")