"""Test Account class"""
# Copyright © 2020  Brett Smith
#
# 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 pytest

from conservancy_beancount import data

@pytest.mark.parametrize('acct_name,under_arg,expected', [
    ('Expenses:Tax:Sales', 'Expenses:Tax:Sales:', False),
    ('Expenses:Tax:Sales', 'Expenses:Tax:Sales', True),
    ('Expenses:Tax:Sales', 'Expenses:Tax:', True),
    ('Expenses:Tax:Sales', 'Expenses:Tax', True),
    ('Expenses:Tax:Sales', 'Expenses:', True),
    ('Expenses:Tax:Sales', 'Expenses', True),
    ('Expenses:Tax:Sales', 'Expense', False),
    ('Expenses:Tax:Sales', 'Equity:', False),
    ('Expenses:Tax:Sales', 'Equity', False),
])
def test_is_under_one_arg(acct_name, under_arg, expected):
    expected = under_arg if expected else None
    assert data.Account(acct_name).is_under(under_arg) == expected

@pytest.mark.parametrize('acct_name,expected', [
    ('Assets:Cash', None),
    ('Assets:Checking', None),
    ('Assets:Prepaid:Expenses', 'Assets:Prepaid'),
    ('Assets:Receivable:Accounts', 'Assets:Receivable'),
])
def test_is_under_multi_arg(acct_name, expected):
    assert expected == data.Account(acct_name).is_under(
        'Assets:Prepaid', 'Assets:Receivable',
    )
    if expected:
        expected += ':'
    assert expected == data.Account(acct_name).is_under(
        'Assets:Prepaid:', 'Assets:Receivable:',
    )

@pytest.mark.parametrize('acct_name,expected', [
    ('Assets:Bank:Checking', True),
    ('Assets:Cash', True),
    ('Assets:Cash:EUR', True),
    ('Assets:Prepaid:Expenses', False),
    ('Assets:Prepaid:Vacation', False),
    ('Assets:Receivable:Accounts', False),
    ('Assets:Receivable:Fraud', False),
    ('Expenses:Other', False),
    ('Equity:OpeningBalance', False),
    ('Income:Other', False),
    ('Liabilities:CreditCard', False),
])
def test_is_cash_equivalent(acct_name, expected):
    assert data.Account(acct_name).is_cash_equivalent() == expected

@pytest.mark.parametrize('acct_name,expected', [
    ('Assets:Bank:Check9999', True),
    ('Assets:Bank:CheckCard', True),
    ('Assets:Bank:Checking', True),
    ('Assets:Bank:Savings', False),
    ('Assets:Cash', False),
    ('Assets:Check9999', True),
    ('Assets:CheckCard', True),
    ('Assets:Checking', True),
    ('Assets:Prepaid:Expenses', False),
    ('Assets:Receivable:Accounts', False),
    ('Expenses:Other', False),
    ('Equity:OpeningBalance', False),
    ('Income:Other', False),
    ('Liabilities:CreditCard', False),
])
def test_is_checking(acct_name, expected):
    assert data.Account(acct_name).is_checking() == expected

@pytest.mark.parametrize('acct_name,expected', [
    ('Assets:Cash', False),
    ('Assets:Prepaid:Expenses', False),
    ('Assets:Receivable:Accounts', False),
    ('Expenses:Other', False),
    ('Equity:OpeningBalance', False),
    ('Income:Other', False),
    ('Liabilities:CreditCard', True),
    ('Liabilities:CreditCard:Visa', True),
    ('Liabilities:Payable:Accounts', False),
    ('Liabilities:UnearnedIncome:Donations', False),
])
def test_is_credit_card(acct_name, expected):
    assert data.Account(acct_name).is_credit_card() == expected

@pytest.mark.parametrize('acct_name,expected', [
    ('Assets:Cash', False),
    ('Assets:Prepaid:Expenses', False),
    ('Assets:Receivable:Accounts', False),
    ('Expenses:Other', False),
    ('Equity:Funds:Restricted', True),
    ('Equity:Funds:Unrestricted', True),
    ('Equity:OpeningBalance', True),
    ('Equity:Retained:Costs', False),
    ('Income:Other', False),
    ('Liabilities:CreditCard', False),
    ('Liabilities:Payable:Accounts', False),
    ('Liabilities:UnearnedIncome:Donations', False),
])
def test_is_opening_equity(acct_name, expected):
    assert data.Account(acct_name).is_opening_equity() == expected

@pytest.mark.parametrize('acct_name', [
    'Assets:Cash',
    'Assets:Receivable:Accounts',
    'Expenses:Other',
    'Equity:Funds:Restricted',
    'Income:Other',
    'Liabilities:CreditCard',
    'Liabilities:Payable:Accounts',
])
def test_slice_parts_no_args(acct_name):
    account = data.Account(acct_name)
    assert account.slice_parts() == acct_name.split(':')

@pytest.mark.parametrize('acct_name', [
    'Assets:Cash',
    'Assets:Receivable:Accounts',
    'Expenses:Other',
    'Equity:Funds:Restricted',
    'Income:Other',
    'Liabilities:CreditCard',
    'Liabilities:Payable:Accounts',
])
def test_slice_parts_index(acct_name):
    account = data.Account(acct_name)
    parts = acct_name.split(':')
    for index, expected in enumerate(parts):
        assert account.slice_parts(index) == expected
    with pytest.raises(IndexError):
        account.slice_parts(index + 1)

@pytest.mark.parametrize('acct_name', [
    'Assets:Cash',
    'Assets:Receivable:Accounts',
    'Expenses:Other',
    'Equity:Funds:Restricted',
    'Income:Other',
    'Liabilities:CreditCard',
    'Liabilities:Payable:Accounts',
])
def test_slice_parts_range(acct_name):
    account = data.Account(acct_name)
    parts = acct_name.split(':')
    for start, stop in zip([0, 0, 1, 1], [2, 3, 2, 3]):
        assert account.slice_parts(start, stop) == parts[start:stop]

@pytest.mark.parametrize('acct_name', [
    'Assets:Cash',
    'Assets:Receivable:Accounts',
    'Expenses:Other',
    'Equity:Funds:Restricted',
    'Income:Other',
    'Liabilities:CreditCard',
    'Liabilities:Payable:Accounts',
])
def test_slice_parts_slice(acct_name):
    account = data.Account(acct_name)
    parts = acct_name.split(':')
    for start, stop in zip([0, 0, 1, 1], [2, 3, 2, 3]):
        sl = slice(start, stop)
        assert account.slice_parts(sl) == parts[start:stop]

@pytest.mark.parametrize('acct_name', [
    'Assets:Cash',
    'Assets:Receivable:Accounts',
    'Expenses:Other',
    'Equity:Funds:Restricted',
    'Income:Other',
    'Liabilities:CreditCard',
    'Liabilities:Payable:Accounts',
])
def test_count_parts(acct_name):
    account = data.Account(acct_name)
    assert account.count_parts() == acct_name.count(':') + 1

@pytest.mark.parametrize('acct_name', [
    'Assets:Cash',
    'Assets:Receivable:Accounts',
    'Expenses:Other',
    'Equity:Funds:Restricted',
    'Income:Other',
    'Liabilities:CreditCard',
    'Liabilities:Payable:Accounts',
])
def test_root_part(acct_name):
    account = data.Account(acct_name)
    parts = acct_name.split(':')
    assert account.root_part() == parts[0]
    assert account.root_part(1) == parts[0]
    assert account.root_part(2) == ':'.join(parts[:2])