"""Test handling of income-type metadata"""
# 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 . import testutil

from conservancy_beancount.plugin import meta_income_type

VALID_VALUES = {
    'Donations': 'Donations',
    'Payable-Derecognition': 'Payable-Derecognition',
    'RBI': 'RBI',
    'UBTI': 'UBTI',
}

INVALID_VALUES = {
    'Dontion',
    'Payble-Derecognitoin',
    'RIB',
    'UTBI',
    '',
}

TEST_KEY = 'income-type'

@pytest.fixture(scope='module')
def hook():
    config = testutil.TestConfig()
    return meta_income_type.MetaIncomeType(config)

@pytest.mark.parametrize('src_value,set_value', VALID_VALUES.items())
def test_valid_values_on_postings(hook, src_value, set_value):
    txn = testutil.Transaction(postings=[
        ('Assets:Cash', 25),
        ('Income:Other', -25, {TEST_KEY: src_value}),
    ])
    errors = list(hook.run(txn))
    assert not errors
    testutil.check_post_meta(txn, None, {TEST_KEY: set_value})

@pytest.mark.parametrize('src_value', INVALID_VALUES)
def test_invalid_values_on_postings(hook, src_value):
    txn = testutil.Transaction(postings=[
        ('Assets:Cash', 25),
        ('Income:Other', -25, {TEST_KEY: src_value}),
    ])
    errors = list(hook.run(txn))
    assert errors
    testutil.check_post_meta(txn, None, {TEST_KEY: src_value})

@pytest.mark.parametrize('src_value,set_value', VALID_VALUES.items())
def test_valid_values_on_transactions(hook, src_value, set_value):
    txn = testutil.Transaction(**{TEST_KEY: src_value}, postings=[
        ('Assets:Cash', 25),
        ('Income:Other', -25),
    ])
    errors = list(hook.run(txn))
    assert not errors
    testutil.check_post_meta(txn, None, {TEST_KEY: set_value})

@pytest.mark.parametrize('src_value', INVALID_VALUES)
def test_invalid_values_on_transactions(hook, src_value):
    txn = testutil.Transaction(**{TEST_KEY: src_value}, postings=[
        ('Assets:Cash', 25),
        ('Income:Other', -25),
    ])
    errors = list(hook.run(txn))
    assert errors
    testutil.check_post_meta(txn, None, None)

@pytest.mark.parametrize('account', [
    'Accrued:AccountsReceivable',
    'Assets:Cash',
    'Expenses:General',
    'Liabilities:CreditCard',
])
def test_non_income_accounts_skipped(hook, account):
    meta = {TEST_KEY: 'RBI'}
    txn = testutil.Transaction(postings=[
        (account, 25),
        ('Income:Other', -25, meta.copy()),
    ])
    errors = list(hook.run(txn))
    assert not errors
    testutil.check_post_meta(txn, None, meta)

@pytest.mark.parametrize('account,set_value', [
    ('Income:Donations', 'Donations'),
    ('Income:Honoraria', 'RBI'),
    ('Income:Interest', 'RBI'),
    ('Income:Interest:Dividend', 'RBI'),
    ('Income:Royalties', 'RBI'),
    ('Income:Sales', 'RBI'),
    ('Income:SoftwareDevelopment', 'RBI'),
    ('Income:TrademarkLicensing', 'RBI'),
    ('UnearnedIncome:Conferences:Registrations', 'RBI'),
    ('UnearnedIncome:MatchPledges', 'Donations'),
])
def test_default_values(hook, account, set_value):
    txn = testutil.Transaction(postings=[
        ('Assets:Cash', 25),
        (account, -25),
    ])
    errors = list(hook.run(txn))
    assert not errors
    testutil.check_post_meta(txn, None, {TEST_KEY: set_value})

@pytest.mark.parametrize('account', [
    'Income:Other',
])
def test_no_default_value(hook, account):
    txn = testutil.Transaction(postings=[
        ('Assets:Cash', 25),
        (account, -25),
    ])
    errors = list(hook.run(txn))
    assert errors
    testutil.check_post_meta(txn, None, None)

@pytest.mark.parametrize('date,set_value', [
    (testutil.EXTREME_FUTURE_DATE, None),
    (testutil.FUTURE_DATE, 'Donations'),
    (testutil.FY_START_DATE, 'Donations'),
    (testutil.FY_MID_DATE, 'Donations'),
    (testutil.PAST_DATE, None),
])
def test_default_value_set_in_date_range(hook, date, set_value):
    txn = testutil.Transaction(date=date, postings=[
        ('Assets:Cash', 25),
        ('Income:Donations', -25),
    ])
    errors = list(hook.run(txn))
    assert not errors
    expect_meta = None if set_value is None else {TEST_KEY: set_value}
    testutil.check_post_meta(txn, None, expect_meta)