from __future__ import annotations

import importlib

import pytest

server_app_module = importlib.import_module("server.app")
app = server_app_module.app


@pytest.fixture
def client():
    with app.test_client() as client:
        yield client


def login(client):
    return client.post("/auth/login", data={"username": "admin", "password": "admin"})


def test_email_settings_get_requires_auth(client):
    resp = client.get("/admin/api/email-settings")
    assert resp.status_code == 302
    assert resp.headers["Location"] == "/auth/login"


def test_email_settings_get_with_auth_returns_defaults(client):
    login(client)

    resp = client.get("/admin/api/email-settings")
    assert resp.status_code == 200
    data = resp.get_json()

    assert data["status"] == "ok"
    assert isinstance(data["settings"], dict)
    assert "smtp_host" in data["settings"]
    assert "schema" in data
    assert "smtp_host" in data["schema"]


def test_email_settings_update_validation_error(client):
    login(client)

    payload = {
        "smtp_host": "",
        "smtp_port": 70000,
        "smtp_sender": "not-an-email",
        "smtp_recipients": "owner@example.com, invalid",
    }

    resp = client.put("/admin/api/email-settings", json=payload)
    assert resp.status_code == 400

    data = resp.get_json()
    assert data["status"] == "error"
    assert "smtp_host" in data["errors"]
    assert "smtp_port" in data["errors"]
    assert "smtp_sender" in data["errors"]
    assert "smtp_recipients" in data["errors"]


def test_email_settings_update_persists_and_returns_values(client):
    login(client)

    payload = {
        "smtp_host": "smtp.acme.test",
        "smtp_port": 2525,
        "smtp_username": "mailer",
        "smtp_password": "secret",
        "smtp_sender": "robot@acme.test",
        "smtp_recipients": "alerts@acme.test, ops@acme.test",
        "smtp_use_tls": True,
        "notify_contact_form": True,
        "notify_newsletter_signups": False,
    }

    resp = client.put("/admin/api/email-settings", json=payload)
    assert resp.status_code == 200

    data = resp.get_json()
    assert data["status"] == "ok"
    assert data["settings"]["smtp_port"] == 2525
    assert data["settings"]["smtp_use_tls"] is True
    assert data["settings"]["smtp_recipients"] == [
        "alerts@acme.test",
        "ops@acme.test",
    ]
    assert data["settings"]["notify_contact_form"] is True
    assert data["settings"]["notify_newsletter_signups"] is False

    # Fetch again to verify persistence
    resp_get = client.get("/admin/api/email-settings")
    assert resp_get.status_code == 200
    stored = resp_get.get_json()["settings"]
    assert stored["smtp_host"] == "smtp.acme.test"
    assert stored["smtp_port"] == 2525
    assert stored["smtp_sender"] == "robot@acme.test"
    assert stored["smtp_recipients"] == [
        "alerts@acme.test",
        "ops@acme.test",
    ]