import uuid

from datetime import date, datetime, time, timedelta
from typing import Any

from fastapi import APIRouter, Cookie, Depends, Security
from sqlalchemy import func, or_, select
from sqlalchemy.orm import Session

from ...core.config import settings
from ...core.security import get_current_active_user as get_user
from ...db.session import SessionFuture
from ...models.inventory import Inventory
from ...models.kot import Kot
from ...models.menu_category import MenuCategory
from ...models.product import Product
from ...models.product_version import ProductVersion
from ...models.sale_category import SaleCategory
from ...models.voucher import Voucher
from ...models.voucher_type import VoucherType
from ...printing.product_sale_report import print_product_sale_report
from ...schemas import to_camel
from ...schemas.user_token import UserToken
from . import check_audit_permission, report_finish_date, report_start_date


router = APIRouter()


@router.get("")
def product_sale_report_view(
    start_date: date = Depends(report_start_date),
    finish_date: date = Depends(report_finish_date),
    user: UserToken = Security(get_user, scopes=["product-sale-report"]),
):
    check_audit_permission(start_date, user.permissions)
    with SessionFuture() as db:
        return {
            "startDate": start_date.strftime("%d-%b-%Y"),
            "finishDate": finish_date.strftime("%d-%b-%Y"),
            "amounts": product_sale_report(start_date, finish_date, db),
        }


def product_sale_report(s: date, f: date, db: Session):
    start_date = datetime.combine(s, time()) + timedelta(
        minutes=settings.NEW_DAY_OFFSET_MINUTES - settings.TIMEZONE_OFFSET_MINUTES
    )
    finish_date = datetime.combine(f, time()) + timedelta(
        days=1, minutes=settings.NEW_DAY_OFFSET_MINUTES - settings.TIMEZONE_OFFSET_MINUTES
    )

    day = func.date_trunc("day", Voucher.date - timedelta(minutes=settings.NEW_DAY_OFFSET_MINUTES)).label("day")
    list_ = db.execute(
        select(
            ProductVersion.id,
            ProductVersion.full_name,
            Voucher.voucher_type,
            Inventory.is_happy_hour,
            func.sum(Inventory.quantity),
        )
        .join(Inventory.kot)
        .join(Kot.voucher)
        .join(Inventory.product)
        .join(Product.versions)
        .join(ProductVersion.sale_category)
        .join(ProductVersion.menu_category)
        .where(
            Voucher.date >= start_date,
            Voucher.date <= finish_date,
            or_(
                ProductVersion.valid_from == None,  # noqa: E711
                ProductVersion.valid_from <= day,
            ),
            or_(
                ProductVersion.valid_till == None,  # noqa: E711
                ProductVersion.valid_till >= day,
            ),
        )
        .group_by(
            SaleCategory.name,
            MenuCategory.name,
            ProductVersion.id,
            ProductVersion.full_name,
            Voucher.voucher_type,
            Inventory.is_happy_hour,
        )
        .order_by(SaleCategory.name, MenuCategory.name, ProductVersion.full_name)
    ).all()
    info: list[Any] = []
    for id_, name, type_, hh, quantity in list_:
        type_ = to_camel(VoucherType(type_).name)
        old = [i for i in info if i["id"] == id_ and i["isHappyHour"] == hh]
        if len(old):
            if type_ not in old[0]:
                old[0][type_] = 0
            old[0][type_] += quantity
        else:
            info.append(
                {
                    "id": id_,
                    "name": "H H " + name if hh else name,
                    "isHappyHour": hh,
                    type_: quantity,
                }
            )
    return info


@router.get("/print", response_model=bool)
def print_report(
    start_date: date = Depends(report_start_date),
    finish_date: date = Depends(report_finish_date),
    device_id: uuid.UUID = Cookie(None),
    user: UserToken = Security(get_user, scopes=["product-sale-report"]),
) -> bool:
    check_audit_permission(start_date, user.permissions)
    with SessionFuture() as db:
        report = {
            "userName": user.name,
            "startDate": start_date.strftime("%d-%b-%Y"),
            "finishDate": finish_date.strftime("%d-%b-%Y"),
            "amounts": product_sale_report(start_date, finish_date, db),
        }
        print_product_sale_report(report, device_id, db)
        return True