"""Test handling of project 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/>.

from pathlib import Path

import pytest

from . import testutil

from conservancy_beancount import errors as errormod

from conservancy_beancount.plugin import meta_project

VALID_VALUES = {

    'Conservancy': 'Conservancy',

    'Alpha': 'Alpha',

    'Bravo': 'Bravo',

    'Charles': 'Charlie',

    'Chuck': 'Charlie',

}

INVALID_VALUES = {

    'Alhpa',

    'Yankee',

    '',

}

TEST_KEY = 'project'

DEFAULT_VALUE = 'Conservancy'

@pytest.fixture(scope='module')

def hook():

    config = testutil.TestConfig(repo_path='repository')

    return meta_project.MetaProject(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),

        ('Expenses:General', 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),

        ('Expenses:General', 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),

        ('Expenses:General', 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),

        ('Expenses:General', 25),

    ])

    errors = list(hook.run(txn))

    assert errors

    testutil.check_post_meta(txn, None, None)

@pytest.mark.parametrize('account,required', [

    ('Accrued:AccountsReceivable', True),

    ('Assets:Cash', False),

    ('Expenses:General', True),

    ('Income:Donations', True),

    ('Liabilities:CreditCard', False),

    ('UnearnedIncome:Donations', True),

])

def test_which_accounts_required_on(hook, account, required):

    txn = testutil.Transaction(postings=[

        ('Assets:Checking', 25),

        (account, 25),

    ])

    errors = list(hook.run(txn))

    assert required == any(errors)

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

    'Accrued:VacationPayable',

    'Expenses:Payroll:Salary',

    'Expenses:Payroll:Tax',

])

def test_default_values(hook, account):

    txn = testutil.Transaction(postings=[

        ('Assets:Checking', -25),

        (account, 25),

    ])

    errors = list(hook.run(txn))

    assert not errors

    testutil.check_post_meta(txn, None, {TEST_KEY: DEFAULT_VALUE})

@pytest.mark.parametrize('date,required', [

    (testutil.EXTREME_FUTURE_DATE, False),

    (testutil.FUTURE_DATE, True),

    (testutil.FY_START_DATE, True),

    (testutil.FY_MID_DATE, True),

    (testutil.PAST_DATE, None),

])

def test_default_value_set_in_date_range(hook, date, required):

    txn = testutil.Transaction(date=date, postings=[

        ('Expenses:Payroll:Benefits', 25),

        ('Accrued:VacationPayable', -25),

    ])

    errors = list(hook.run(txn))

    assert not errors

    expect_meta = {TEST_KEY: DEFAULT_VALUE} if required else None

    testutil.check_post_meta(txn, expect_meta, expect_meta)

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

    None,

    '..',

])

def test_missing_project_data(repo_path):

    config = testutil.TestConfig(repo_path=repo_path)

    with pytest.raises(errormod.ConfigurationError):

        meta_project.MetaProject(config)

@pytest.mark.parametrize('repo_path_s,data_path_s', [

    ('repository', 'Projects/project-list.yml'),

    ('..', 'LICENSE.txt'),

])

def test_invalid_project_data(repo_path_s, data_path_s):

    config = testutil.TestConfig(repo_path=repo_path_s)

    with pytest.raises(errormod.ConfigurationError):

        meta_project.MetaProject(config, Path(data_path_s))