import odf.number  # type:ignore[import]

import odf.opendocument  # type:ignore[import]

import odf.style  # type:ignore[import]

import odf.table  # type:ignore[import]

import odf.text  # type:ignore[import]

from decimal import Decimal

from pathlib import Path

from beancount.core import amount as bc_amount

from .. import data

from typing import (

    cast,

    overload,

    Any,

    BinaryIO,

    Callable,

    DefaultDict,

    Dict,

    Generic,

    Iterable,

    Iterator,

    List,

    Mapping,

    MutableMapping,

    Optional,

    Sequence,

    Set,

    Tuple,

    Type,

    TypeVar,

    Union,

)

from ..beancount_types import (

    MetaKey,

    MetaValue,

)

DecimalCompat = data.DecimalCompat

BalanceType = TypeVar('BalanceType', bound='Balance')

ElementType = Callable[..., odf.element.Element]

LinkType = Union[str, Tuple[str, Optional[str]]]

RelatedType = TypeVar('RelatedType', bound='RelatedPostings')

RT = TypeVar('RT', bound=Sequence)

ST = TypeVar('ST')

T = TypeVar('T')

class Balance(Mapping[str, data.Amount]):

    """A collection of amounts mapped by currency

    Each key is a Beancount currency string, and each value represents the

    balance in that currency.

    """

    __slots__ = ('_currency_map', 'tolerance')

    TOLERANCE = Decimal('0.01')

    def __init__(self,

                 source: Iterable[data.Amount]=(),

                 tolerance: Optional[Decimal]=None,

    ) -> None:

        if tolerance is None:

            tolerance = self.TOLERANCE

        self.tolerance = tolerance

    def _add_amount(self,

                    currency_map: MutableMapping[str, data.Amount],

                    amount: data.Amount,

    ) -> None:

        code = amount.currency

        try:

            current_number = currency_map[code].number

        except KeyError:

            current_number = Decimal(0)

        currency_map[code] = data.Amount(current_number + amount.number, code)

    def _add_other(self,

                   currency_map: MutableMapping[str, data.Amount],

                   other: Union[data.Amount, 'Balance'],

    ) -> None:

        if isinstance(other, Balance):

            for amount in other.values():

                self._add_amount(currency_map, amount)

        else:

            self._add_amount(currency_map, other)

    def __repr__(self) -> str:

        values = [repr(amt) for amt in self.values()]

        return f"{type(self).__name__}({values!r})"

    def __str__(self) -> str:

        return self.format()

    def __abs__(self: BalanceType) -> BalanceType:

        return type(self)(bc_amount.abs(amt) for amt in self.values())

    def __add__(self: BalanceType, other: Union[data.Amount, 'Balance']) -> BalanceType:

        retval_map = self._currency_map.copy()

        self._add_other(retval_map, other)

        return type(self)(retval_map.values())

    def __eq__(self, other: Any) -> bool:

        if (self.is_zero()

            and isinstance(other, Balance)

            and other.is_zero()):

            return True

        else:

            return super().__eq__(other)

    def __neg__(self: BalanceType) -> BalanceType:

        return type(self)(-amt for amt in self.values())

    def __pos__(self: BalanceType) -> BalanceType:

        return self

    def __getitem__(self, key: str) -> data.Amount:

        return self._currency_map[key]

    def __iter__(self) -> Iterator[str]:

        return iter(self._currency_map)

    def __len__(self) -> int:

        return len(self._currency_map)

    def _all_amounts(self,

                     op_func: Callable[[DecimalCompat, DecimalCompat], bool],

                     operand: DecimalCompat,

    ) -> bool:

import pytest

from . import testutil

import babel.numbers

from conservancy_beancount.reports import core

DEFAULT_STRINGS = [

    ({}, "Zero balance"),

    ({'JPY': 0, 'BRL': 0}, "Zero balance"),

    ({'USD': '20.00'}, "20.00 USD"),

    ({'EUR': '50.00', 'GBP': '80.00'}, "80.00 GBP, 50.00 EUR"),

    ({'JPY': '-5500.00', 'BRL': '-8500.00'}, "-8,500.00 BRL, -5,500 JPY"),

]

def amounts_from_map(currency_map):

    for code, number in currency_map.items():

        yield testutil.Amount(number, code)

def test_empty_balance():

    balance = core.Balance()

    assert not balance

    assert len(balance) == 0

    assert balance.is_zero()

    with pytest.raises(KeyError):

        balance['USD']

@pytest.mark.parametrize('currencies', [

    'USD',

    'EUR GBP',

    'JPY INR BRL',

])

def test_zero_balance(currencies):

    keys = currencies.split()

    balance = core.Balance(testutil.Amount(0, key) for key in keys)

    assert balance

    assert len(balance) == len(keys)

    assert balance.is_zero()

    assert all(balance[key].number == 0 for key in keys)

    assert all(balance[key].currency == key for key in keys)

@pytest.mark.parametrize('currencies', [

    'USD',

    'EUR GBP',

    'JPY INR BRL',

])

def test_nonzero_balance(currencies):

    amounts = dict(zip(currencies.split(), itertools.count(110, 100)))

    balance = core.Balance(amounts_from_map(amounts))

    assert balance

    assert len(balance) == len(amounts)

    assert not balance.is_zero()

    assert all(balance[key] == testutil.Amount(amt, key) for key, amt in amounts.items())

def test_mixed_balance():

    amounts = {'USD': 0, 'EUR': 120}

    balance = core.Balance(amounts_from_map(amounts))

    assert balance

    assert len(balance) == 2

    assert not balance.is_zero()

    assert all(balance[key] == testutil.Amount(amt, key) for key, amt in amounts.items())

@pytest.mark.parametrize('mapping,expected', [

    ({}, True),

    ({'USD': 0}, True),

    ({'USD': 0, 'EUR': 0}, True),

    ({'USD': -10, 'EUR': 0}, False),

    ({'EUR': -10}, False),

    ({'USD': -10, 'EUR': -20}, False),

    ({'USD': 10, 'EUR': -20}, False),

    ({'JPY': 10}, False),

    ({'JPY': 10, 'BRL': 0}, False),

    ({'JPY': 10, 'BRL': 20}, False),

    ({'USD': '0.00015'}, True),

    ({'EUR': '-0.00052'}, True),

])

def test_eq_zero(mapping, expected):

    balance = core.Balance(amounts_from_map(mapping))

    assert balance.eq_zero() == expected

    assert balance.is_zero() == expected

@pytest.mark.parametrize('mapping,expected', [

    ({}, True),

    ({'USD': 0}, True),

    ({'USD': 0, 'EUR': 0}, True),

    ({'EUR': -10}, False),

    ({'USD': 10, 'EUR': -20}, False),

    ({'USD': -10, 'EUR': -20}, False),

    ({'JPY': 10}, True),

    ({'JPY': 10, 'BRL': 0}, True),

    ({'JPY': 10, 'BRL': 20}, True),

    ({'USD': '0.00015'}, True),

    ({'EUR': '-0.00052'}, True),

    ({'RUB': core.Balance.TOLERANCE}, True),

    ({'RUB': -core.Balance.TOLERANCE}, False),

])

def test_ge_zero(mapping, expected):

    balance = core.Balance(amounts_from_map(mapping))

    assert balance.ge_zero() == expected

@pytest.mark.parametrize('mapping,expected', [

    ({}, True),

    ({'USD': 0}, True),

    ({'USD': 0, 'EUR': 0}, True),

    ({'EUR': -10}, True),

    ({'USD': 10, 'EUR': -20}, False),

    ({'USD': -10, 'EUR': -20}, True),

    ({'JPY': 10}, False),

    ({'JPY': 10, 'BRL': 0}, False),

    ({'JPY': 10, 'BRL': 20}, False),

    ({'USD': '0.00015'}, True),

    ({'EUR': '-0.00052'}, True),

    ({'RUB': core.Balance.TOLERANCE}, False),

    ({'RUB': -core.Balance.TOLERANCE}, True),

])

def test_le_zero(mapping, expected):

    balance = core.Balance(amounts_from_map(mapping))

    assert balance.le_zero() == expected

@pytest.mark.parametrize('mapping', [

    {},

    {'USD': 0},

    {'EUR': 10},

    {'JPY': 20, 'BRL': 30},

    {'EUR': -15},

    {'JPY': -25, 'BRL': -35},