from email.parser import BytesParser
from email.policy import default

from test_reminders import _overdue_claim_repository

from ccma.services.reminder_mail import generate_and_send_reminder_mail


def test_reminder_mail_is_archived_and_marks_reminder_sent(tmp_path):
    repository, member = _overdue_claim_repository(tmp_path / "store")
    member.email = "reminder@example.org"
    repository.save_member(member)
    organization = repository.get_configuration()["organization"]
    organization.update(
        {
            "name": "Chaos Computer Club Mannheim e.V.",
            "email": "verwaltung@example.org",
            "iban": "DE98670505050038907751",
            "bic": "MANSDE66XXX",
        }
    )
    repository.save_organization(organization)
    reminder = repository.create_reminder_draft(
        member.member_id,
        "claim-1",
        level=1,
        name="Zahlungserinnerung",
        payment_deadline_days=14,
        detail="Bitte Mitgliedsnummer angeben.",
    )
    export_path = tmp_path / "Zahlungserinnerung.eml"

    generated = generate_and_send_reminder_mail(
        repository,
        member.member_id,
        "claim-1",
        reminder["reminder_id"],
        output_path=export_path,
        sender_name="Verwaltung C3MA",
        sender_email="verwaltung@example.org",
        signature="Der Vorstand",
    )

    assert generated.export_path.read_bytes() == generated.archive_path.read_bytes()
    message = BytesParser(policy=default).parsebytes(generated.export_path.read_bytes())
    assert message["To"] == "reminder@example.org"
    assert "Zahlungserinnerung" in message["Subject"]
    assert "100.00 Euro" in message.get_content()
    assert "DE98670505050038907751" in message.get_content()
    data = repository.get_contributions(member.member_id)
    assert data.reminders[0]["status"] == "sent"
    assert data.reminders[0]["payment_deadline"]
    assert repository.get_events(member.member_id)[-1].event_type == "reminder_email_sent"
    assert generated.archive_path.parent.name == "Mahnungen"


def test_reminder_mail_includes_fee_in_open_balance(tmp_path):
    repository, member = _overdue_claim_repository(tmp_path / "store")
    member.email = "reminder@example.org"
    repository.save_member(member)
    reminder = repository.create_reminder_draft(
        member.member_id,
        "claim-1",
        level=1,
        name="Erste Mahnung",
        payment_deadline_days=14,
        fee="5.00",
    )

    generated = generate_and_send_reminder_mail(
        repository,
        member.member_id,
        "claim-1",
        reminder["reminder_id"],
        output_path=tmp_path / "Mahnung.eml",
        sender_name="Verwaltung C3MA",
        sender_email="verwaltung@example.org",
        signature="Der Vorstand",
    )

    message = BytesParser(policy=default).parsebytes(generated.export_path.read_bytes())
    assert "Offener Betrag: 105.00 Euro" in message.get_content()
    assert "Mahngebühr: 5.00 Euro" in message.get_content()