import uuid

import transaction
from pyramid.view import view_config

from barker.models import Kot, Voucher, Overview


@view_config(
    request_method="POST",
    route_name="merge_kot",
    renderer="json",
    permission="Merge Kots",
    trans=True,
)
def merge_kot(request):
    json = request.json_body
    kot_id = uuid.UUID(json["KotID"])
    voucher_id = uuid.UUID(json["NewVoucherID"])

    request.dbsession.query(Kot).filter(Kot.id == kot_id).update(
        {Kot.voucher_id: voucher_id}
    )
    transaction.commit()
    return voucher_id


@view_config(
    request_method="POST",
    route_name="move_kot",
    renderer="json",
    permission="Move Kot",
    trans=True,
)
def move_kot(request):
    json = request.json_body
    kot_id = uuid.UUID(json["KotID"])
    food_table_id = uuid.UUID(json["FoodTableID"])

    kot = request.dbsession.query(Kot).filter(Kot.id == kot_id).first()

    item = Voucher(
        kot.voucher.pax,
        food_table_id,
        kot.voucher.customer_id,
        False,
        kot.voucher.voucher_type,
        kot.voucher.user_id,
        request.dbsession,
    )
    request.dbsession.add(item)
    item.kots.append(kot)
    status = "printed" if item.is_printed else "running"
    item.status = Overview(
        voucher_id=None, food_table_id=item.food_table_id, status=status
    )
    request.dbsession.add(item.status)
    transaction.commit()
    return item.id


@view_config(
    request_method="POST",
    route_name="v1_vouchers_id",
    request_param="move-table",
    renderer="json",
    permission="Move Table",
    trans=True,
)
def move_table(request):
    id_ = uuid.UUID(request.matchdict["id"])
    table_id = uuid.UUID(request.json_body["table"]["id"])

    request.dbsession.query(Overview).filter(Overview.voucher_id == id_).update(
        {Overview.food_table_id: table_id}
    )

    request.dbsession.query(Voucher).filter(Voucher.id == id_).update(
        {Voucher.food_table_id: table_id}
    )

    transaction.commit()
    return True


@view_config(
    request_method="POST",
    route_name="merge_table",
    renderer="json",
    permission="Merge Tables",
    trans=True,
)
def merge_table(request):
    json = request.json_body
    voucher_id = uuid.UUID(json["VoucherID"])
    new_voucher_id = uuid.UUID(json["NewVoucherID"])

    request.dbsession.query(Kot).filter(Kot.voucher_id == voucher_id).update(
        {Kot.voucher_id: new_voucher_id}
    )
    request.dbsession.query(Voucher).filter(Voucher.id == voucher_id).delete()
    transaction.commit()
    return voucher_id

    # VoucherBI.UpdateTable(x => x.FoodTableID == _voucher.Table.FoodTableID && x.VoucherID == _voucher.VoucherID, null, null);
    # throw new NotImplementedException();
    # var newTable = _session.QueryOver<FoodTable>().Where(x => x.Name == tableName).SingleOrDefault();
    # var newVoucher = _session.Get<Voucher>(newTable.VoucherID);
    # var oldVoucher = _session.Get<Voucher>(voucherID);
    # for (var i = oldVoucher.Kots.Count - 1; i >= 0; i--)
    # {
    #     var kot = oldVoucher.Kots[i];
    #     oldVoucher.Kots.Remove(kot);
    #     kot.Voucher = newVoucher;
    #     newVoucher.Kots.Add(kot);
    #     _session.Update(kot);
    # }
    # _session.Update(newVoucher);
    #
    #
    # foreach (var item in oldVoucher.Settlements)
    # {
    #     _session.Delete(item);
    # }
    # _session.Delete(oldVoucher);
    # return newVoucher.VoucherID;