# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU Affero General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU Affero General Public License for more details.

#

# You should have received a copy of the GNU Affero General Public License

# along with this program.  If not, see <https://www.gnu.org/licenses/>.

import abc

import datetime

import beancount.core.data as bc_data

from typing import (

    TYPE_CHECKING,

    Any,

    FrozenSet,

    Iterable,

    List,

    Mapping,

    NamedTuple,

    Optional,

    Set,

    Tuple,

    Type,

    Union,

)

if TYPE_CHECKING:

    from . import errors as errormod

Account = bc_data.Account

MetaKey = str

MetaValue = Any

MetaValueEnum = str

Posting = bc_data.Posting

class Directive(NamedTuple):

    meta: bc_data.Meta

    date: datetime.date

class Error(NamedTuple):

    message: str

    entry: Optional[Directive]

class Transaction(Directive):

    flag: bc_data.Flag

    payee: Optional[str]

    narration: str

    tags: Set[str]

    links: Set[str]

    postings: List[Posting]

ALL_DIRECTIVES: FrozenSet[Type[Directive]] = frozenset([

    Transaction,

])

Entries = List[Directive]

Errors = List[Union[Error, 'errormod.Error']]

OptionsMap = Mapping[str, Any]

LoadResult = Tuple[Entries, Errors, OptionsMap]