from fastapi import APIRouter, Depends, HTTPException, status
from sqlalchemy.orm import Session
import models
from database import get_db
from typing import List
from pydantic import BaseModel

router = APIRouter()

class ServiceCreate(BaseModel):
    provider_id: int
    name: str
    price: float
    duration_minutes: int | None = None

class ServiceOut(ServiceCreate):
    id: int
    class Config:
        orm_mode = True

@router.post("/", response_model=ServiceOut, status_code=status.HTTP_201_CREATED)
def create_service(service: ServiceCreate, db: Session = Depends(get_db)):
    # Verify provider exists
    provider = db.query(models.Provider).filter(models.Provider.id == service.provider_id).first()
    if not provider:
        raise HTTPException(status_code=404, detail="Provider not found")
    db_service = models.Service(
        provider_id=service.provider_id,
        name=service.name,
        price=service.price,
        duration_minutes=service.duration_minutes,
    )
    db.add(db_service)
    try:
        db.commit()
        db.refresh(db_service)
    except Exception as e:
        db.rollback()
        raise HTTPException(status_code=400, detail=str(e))
    return db_service

@router.get("/", response_model=List[ServiceOut])
def list_services(skip: int = 0, limit: int = 100, db: Session = Depends(get_db)):
    services = db.query(models.Service).offset(skip).limit(limit).all()
    return services

@router.get("/{service_id}", response_model=ServiceOut)
def get_service(service_id: int, db: Session = Depends(get_db)):
    service = db.query(models.Service).filter(models.Service.id == service_id).first()
    if not service:
        raise HTTPException(status_code=404, detail="Service not found")
    return service