import os

from unittest.mock import MagicMock

import pytest

from logwatcher.notifier import send_n2_report


def mock_get_or_create_folder(account, folder_name):  # noqa: D103
    return folder_name


@pytest.mark.parametrize("vars", [("N2_REPORT_SUBJECT", "N2_REPORT_RECIPIENTS"), ("N2_REPORT_RECIPIENTS", "N2_REPORT_SUBJECT")])
def test_send_n2_report_missing_recipients_env(vars, monkeypatch, ):
    """Assert that missing values in environmnent file raises KeyError."""
    monkeypatch.delenv("N2_REPORT_RECIPIENTS")
    monkeypatch.delenv("N2_REPORT_SUBJECT")
    monkeypatch.setenv(vars[0], "test")
    
    with pytest.raises(KeyError) as err:
        send_n2_report(account=MagicMock(), summary="summary", n2_log_file=MagicMock())

    assert vars[1] in err.value.args


@pytest.mark.parametrize("recipients", ["mail@client.fr", "mail@ client.fr  ", "mail1@client.fr,mail2@client.fr,mail3@client.fr", "mail1@client.fr , mail2@client.fr ,  mail3@client.fr"])
def test_send_n2_report_multiple_recipients(recipients, make_mock_account, monkeypatch):
    """Assert gathering multiple account as recipients from env file is valid.
    
    Tests with value having space characters.
    Mails must be seperated by a comma.

    Args:
        recipients: e-mail recipients in one string
        make_mock_account: return a fake account used for tests
        monkeypatch: used to change environment variables and functions accross the script
    
    """
    monkeypatch.setenv("N2_REPORT_SUBJECT", "test")
    monkeypatch.setenv("N2_REPORT_RECIPIENTS", "mail@client.fr")

    with monkeypatch.context() as m:
        m.setattr("logwatcher.notifier.get_or_create_folder", mock_get_or_create_folder)
        m.setattr("logwatcher.notifier.Message.send", MagicMock(id="1", return_value=None))
        send_n2_report(account=make_mock_account(), summary="summary", n2_log_file=MagicMock())