import uuid
from typing import Optional

from fastapi import APIRouter, HTTPException, status, Depends, Security
from sqlalchemy.exc import SQLAlchemyError
from sqlalchemy.orm import Session

from ..schemas.auth import UserToken
import barker.schemas.master as schemas
from ..core.security import get_current_active_user as get_user
from ..db.session import SessionLocal
from ..models.master import Customer

router = APIRouter()


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


@router.post("", response_model=schemas.Customer)
def save(
    data: schemas.CustomerIn, db: Session = Depends(get_db), user: UserToken = Security(get_user, scopes=["customers"]),
):
    try:
        item = Customer(company=data.company, name=data.name, phone=data.phone, address=data.address)
        db.add(item)
        db.commit()
        return customer_info(item)
    except SQLAlchemyError as e:
        db.rollback()
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(e),
        )
    except Exception:
        db.rollback()
        raise


@router.put("/{id_}", response_model=schemas.Customer)
def update(
    id_: uuid.UUID,
    data: schemas.CustomerIn,
    db: Session = Depends(get_db),
    user: UserToken = Security(get_user, scopes=["customers"]),
):
    try:
        item: Customer = db.query(Customer).filter(Customer.id == id_).first()
        item.company = data.company
        item.name = data.name
        item.phone = data.phone
        item.address = data.address
        db.commit()
        return customer_info(item)
    except SQLAlchemyError as e:
        db.rollback()
        raise HTTPException(
            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(e),
        )
    except Exception:
        db.rollback()
        raise


@router.delete("/{id_}")
def delete(
    id_: uuid.UUID, db: Session = Depends(get_db), user: UserToken = Security(get_user, scopes=["customers"]),
):
    try:
        item: Customer = db.query(Customer).filter(Customer.id == id_).first()
        if item is None:
            raise HTTPException(
                status_code=status.HTTP_404_NOT_FOUND, detail="Sale Category not found",
            )
        db.delete(item)
        db.commit()
    except Exception:
        db.rollback()
        raise


@router.get("")
def show_blank(
    db: Session = Depends(get_db), user: UserToken = Security(get_user, scopes=["customers"]),
):
    return customer_info(None)


@router.get("/list")
def show_list(db: Session = Depends(get_db), user: UserToken = Depends(get_user)):
    return [customer_info(item) for item in db.query(Customer).order_by(Customer.name).all()]


@router.get("/{id_}")
def show_id(
    id_: uuid.UUID, db: Session = Depends(get_db), user: UserToken = Security(get_user, scopes=["customers"]),
):
    item: Customer = db.query(Customer).filter(Customer.id == id_).first()
    return customer_info(item)


def customer_info(item: Optional[Customer]):
    if item is None:
        return {"name": "", "company": "", "address": "", "phone": ""}
    return {
        "id": item.id,
        "company": item.company,
        "name": item.name,
        "address": item.address,
        "phone": item.phone,
    }