from fastapi import APIRouter, Request
from datetime import datetime
from database import session
from pyowm import OWM
from decimal import Decimal
from app.models.auto import Auto_Delivery
from app.models.delivery import Delivery

from app.script.update_auto import calc_home_factor

router = APIRouter(
    prefix="/confirm",
    tags=["confirm"],
    responses={404: {"description": "Not found"}},
)


@router.put("/delivery")
async def add_delivery(request: Request):
    
    now = datetime.utcnow


    request_body = await request.json()
    gallons_delivered = request_body['gallons']
    gallons_delivered = Decimal(gallons_delivered)

    delivery_id = request_body['delivery_id']

    get_delivery = (session 
        .query(Delivery) 
        .filter(Delivery.id == delivery_id) 
        .first())

    get_auto_delivery = (session 
        .query(Auto_Delivery) 
        .filter(Auto_Delivery.customer_id == get_delivery.customer_id) 
        .first())
    
    gallons_put_in_home = Decimal(gallons_delivered)

    customer_home_factor = get_auto_delivery.house_factor


    new_home_factor = calc_home_factor(gallons_put_in_home = gallons_put_in_home,
                                        current_house_factor=customer_home_factor)
    
    get_auto_delivery.house_factor = new_home_factor
    get_auto_delivery.tank_height = 'Full'
    get_auto_delivery.last_fill = now
    get_auto_delivery.estimated_gallons_left = 240
    get_auto_delivery.estimated_gallons_left_prev_day = 240
    get_auto_delivery.auto_status = 0

    session.add(get_auto_delivery)
    session.commit()
    
    return ({"ok": True}), 200