from fastapi import FastAPI, Depends, HTTPException
from sqlalchemy.orm import Session
from fastapi.middleware.cors import CORSMiddleware
from app.database import SessionLocal, engine
import app.models as models
from app.schemas import Person, PersonCreate

app = FastAPI()

origins = [
    "http://localhost:8080",
    "http://mpabi.pl:8888",
]

app.add_middleware(
    CORSMiddleware,
    allow_origins=origins,
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

def get_db():
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()

# Endpoint do tworzenia nowej osoby (POST)
@app.post("/persons/", response_model=Person)
def create_person(person: PersonCreate, db: Session = Depends(get_db)):
    db_person = models.Person(
        last_name=person.last_name, 
        first_name=person.first_name, 
        address=person.address,
        city=person.city
    )
    db.add(db_person)
    db.commit()
    db.refresh(db_person)
    return db_person

# Endpoint do odczytu listy osób (GET)
@app.get("/persons/", response_model=list[Person])
def read_persons(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
    persons = db.query(models.Person).offset(skip).limit(limit).all()
    return persons

# Endpoint do odczytu osoby po ID (GET)
@app.get("/persons/{person_id}", response_model=Person)
def read_person(person_id: int, db: Session = Depends(get_db)):
    person = db.query(models.Person).filter(models.Person.person_id == person_id).first()
    if person is None:
        raise HTTPException(status_code=404, detail="Person not found")
    return person