from __future__ import annotations

from email.message import EmailMessage
from typing import Any, cast

import pytest

from server.services import contact as contact_service  # noqa: E402  pylint: disable=wrong-import-position


def test_send_notification_returns_false_when_unconfigured(monkeypatch):
    monkeypatch.setattr(
        contact_service,
        "load_effective_smtp_settings",
        lambda: {
            "notify_contact_form": True,
            "host": None,
            "recipients": [],
        },
    )

    # Ensure we do not accidentally open a socket if called
    monkeypatch.setattr(contact_service.smtplib, "SMTP", pytest.fail)

    submission = contact_service.ContactSubmission(
        name="Test",
        email="test@example.com",
        company=None,
        message="Hello",
        timeline=None,
    )

    assert contact_service.send_notification(submission) is False


def test_send_notification_sends_email(monkeypatch):
    smtp_config = {
        "host": "smtp.example.com",
        "port": 2525,
        "sender": "sender@example.com",
        "username": "user",
        "password": "secret",
        "use_tls": True,
        "recipients": ["owner@example.com"],
        "notify_contact_form": True,
    }

    monkeypatch.setattr(
        contact_service,
        "load_effective_smtp_settings",
        lambda: smtp_config,
    )

    smtp_calls: dict[str, Any] = {}

    class DummySMTP:
        def __init__(self, host, port, timeout=None):
            smtp_calls["init"] = (host, port, timeout)

        def __enter__(self):
            return self

        def __exit__(self, exc_type, exc, tb):
            return False

        def starttls(self):
            smtp_calls["starttls"] = True

        def login(self, username, password):
            smtp_calls["login"] = (username, password)

        def send_message(self, message):
            smtp_calls["message"] = message

    monkeypatch.setattr(contact_service.smtplib, "SMTP", DummySMTP)

    submission = contact_service.ContactSubmission(
        name="Alice",
        email="alice@example.com",
        company="Example Co",
        message="Hello there",
        timeline="Soon",
    )

    assert contact_service.send_notification(submission) is True

    assert smtp_calls["init"] == (
        smtp_config["host"],
        smtp_config["port"],
        15,
    )
    assert smtp_calls["starttls"] is True
    assert smtp_calls["login"] == (
        smtp_config["username"], smtp_config["password"])

    message = cast(EmailMessage, smtp_calls["message"])
    assert message["Subject"] == "Neue Kontaktanfrage von Alice"
    assert message["To"] == "owner@example.com"
    assert "Hello there" in message.get_content()