from typing import List

import brewman.schemas.reports as schemas

from fastapi import APIRouter, Depends, Request, Security
from sqlalchemy.orm import Session, joinedload_all

from ...core.security import get_current_active_user as get_user
from ...db.session import SessionLocal
from ...models.voucher import Journal, Voucher, VoucherType
from ...schemas.auth import UserToken


router = APIRouter()


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


@router.get("", response_model=List[schemas.Unposted])
def report_data(
    request: Request,
    db: Session = Depends(get_db),
    user: UserToken = Security(get_user, scopes=["post-vouchers"]),
) -> List[schemas.Unposted]:
    return build_report(db)


def build_report(db: Session) -> List[schemas.Unposted]:
    body = []

    query = (
        db.query(Voucher)
        .options(joinedload_all(Voucher.journals, Journal.account, innerjoin=True))
        .filter(Voucher.posted == False)  # noqa: E712
        .filter(Voucher.type != VoucherType.by_name("Issue").id)
        .order_by(Voucher.date)
        .order_by(Voucher.last_edit_date)
        .all()
    )

    for voucher in query:
        debit = 0
        credit = 0
        name_debit = ""
        name_credit = ""
        for journal in voucher.journals:
            if journal.debit == 1:
                debit += journal.amount
                name_debit += "{0} / ".format(journal.account.name)
            else:
                credit += journal.amount
                name_credit += "{0} / ".format(journal.account.name)
        name_debit = name_debit[:-3]
        name_credit = name_credit[:-3]

        body.append(
            schemas.Unposted(
                id=voucher.id,
                date=voucher.date.strftime("%d-%b-%Y"),
                url=[
                    "/",
                    VoucherType.by_id(voucher.type).name.replace(" ", "-").lower(),
                    str(voucher.id),
                ],
                type=VoucherType.by_id(voucher.type).name,
                narration=voucher.narration,
                debitName=name_debit,
                debitAmount=debit,
                creditName=name_credit,
                creditAmount=credit,
            )
        )

    return body