from unittest.mock import MagicMock, call

import pytest

from core import notifications


def test_get_notification_settings_returns_record_or_false(monkeypatch):
    selectOne = MagicMock(
        side_effect=[{"user_uuid": "user-1", "ntfy_enabled": True}, None]
    )
    monkeypatch.setattr(notifications.postgres, "select_one", selectOne)

    assert notifications.getNotificationSettings("user-1") == {
        "user_uuid": "user-1",
        "ntfy_enabled": True,
    }
    assert notifications.getNotificationSettings("user-2") is False
    assert selectOne.call_args_list == [
        call("notifications", {"user_uuid": "user-1"}),
        call("notifications", {"user_uuid": "user-2"}),
    ]


def test_notification_settings_filter_fields_and_update_existing(monkeypatch):
    update = MagicMock()
    insert = MagicMock()
    monkeypatch.setattr(
        notifications.postgres,
        "select_one",
        MagicMock(return_value={"id": "notification-1"}),
    )
    monkeypatch.setattr(notifications.postgres, "update", update)
    monkeypatch.setattr(notifications.postgres, "insert", insert)

    result = notifications.setNotificationSettings(
        "user-1",
        {
            "ntfy_topic": "team-alerts",
            "ntfy_enabled": True,
            "user_uuid": "another-user",
            "created_at": "not-allowed",
        },
    )

    assert result is True
    update.assert_called_once_with(
        "notifications",
        {"ntfy_topic": "team-alerts", "ntfy_enabled": True},
        {"user_uuid": "user-1"},
    )
    insert.assert_not_called()


def test_notification_settings_insert_new_record(monkeypatch):
    insert = MagicMock()
    monkeypatch.setattr(
        notifications.postgres,
        "select_one",
        MagicMock(return_value=None),
    )
    monkeypatch.setattr(notifications.postgres, "insert", insert)
    monkeypatch.setattr(notifications.uuid, "uuid4", lambda: "notification-1")

    result = notifications.setNotificationSettings(
        "user-1",
        {"discord_enabled": False, "ntfy_topic": "personal"},
    )

    assert result is True
    insert.assert_called_once_with(
        "notifications",
        {
            "discord_enabled": False,
            "ntfy_topic": "personal",
            "id": "notification-1",
            "user_uuid": "user-1",
        },
    )


@pytest.mark.parametrize(
    "settings",
    [None, [], "invalid", {}, {"created_at": "not-allowed"}],
)
def test_notification_settings_reject_invalid_or_empty_updates(monkeypatch, settings):
    selectOne = MagicMock()
    monkeypatch.setattr(notifications.postgres, "select_one", selectOne)

    assert notifications.setNotificationSettings("user-1", settings) is False
    selectOne.assert_not_called()


@pytest.mark.parametrize(
    "webhook",
    [
        "https://discord.com/api/webhooks/123/token",
        "https://canary.discord.com/api/webhooks/123/token",
        "https://ptb.discord.com/api/webhooks/123/token",
    ],
)
def test_discord_webhook_validation_accepts_official_https_urls(webhook):
    assert notifications._validateDiscordWebhook(webhook) == webhook


@pytest.mark.parametrize(
    ("webhook", "error"),
    [
        (
            "http://discord.com/api/webhooks/123/token",
            "official HTTPS Discord host",
        ),
        (
            "https://discord.com.evil.example/api/webhooks/123/token",
            "official HTTPS Discord host",
        ),
        ("https://discord.com/channels/123", "Invalid Discord webhook path"),
    ],
)
def test_discord_webhook_validation_rejects_unsafe_urls(webhook, error):
    with pytest.raises(ValueError, match=error):
        notifications._validateDiscordWebhook(webhook)


def test_discord_webhook_delivery_posts_content(monkeypatch):
    post = MagicMock(return_value=MagicMock(status_code=204))
    monkeypatch.setattr(notifications.requests, "post", post)
    webhook = "https://discord.com/api/webhooks/123/token"

    assert notifications.discord.send(webhook, 42) is True
    post.assert_called_once_with(
        webhook,
        json={"content": "42"},
        timeout=notifications.REQUEST_TIMEOUT,
    )


@pytest.mark.parametrize("failure", [429, notifications.requests.ConnectionError("offline")])
def test_discord_webhook_delivery_reports_failures(monkeypatch, failure):
    post = MagicMock()
    if isinstance(failure, int):
        post.return_value = MagicMock(status_code=failure)
    else:
        post.side_effect = failure
    monkeypatch.setattr(notifications.requests, "post", post)

    assert notifications.discord.send(
        "https://discord.com/api/webhooks/123/token",
        "hello",
    ) is False


def test_ntfy_encodes_topic_and_sends_bearer_token(monkeypatch):
    post = MagicMock(return_value=MagicMock(status_code=201))
    monkeypatch.setattr(notifications.requests, "post", post)
    monkeypatch.setenv("NTFY_BASE_URL", "https://notify.example/base/")
    monkeypatch.setenv("NTFY_TOKEN", "ntfy-secret")

    assert notifications.ntfy.send(" alerts/team #1 ", 42) is True
    post.assert_called_once_with(
        "https://notify.example/base/alerts%2Fteam%20%231",
        data=b"42",
        headers={"Authorization": "Bearer ntfy-secret"},
        timeout=notifications.REQUEST_TIMEOUT,
    )


@pytest.mark.parametrize("failure", [500, notifications.requests.Timeout("slow")])
def test_ntfy_reports_http_and_transport_failures(monkeypatch, failure):
    post = MagicMock()
    if isinstance(failure, int):
        post.return_value = MagicMock(status_code=failure)
    else:
        post.side_effect = failure
    monkeypatch.setattr(notifications.requests, "post", post)
    monkeypatch.delenv("NTFY_TOKEN", raising=False)

    assert notifications.ntfy.send("alerts", "hello") is False


def test_ntfy_rejects_empty_topic_without_request(monkeypatch):
    post = MagicMock()
    monkeypatch.setattr(notifications.requests, "post", post)

    assert notifications.ntfy.send("   ", "hello") is False
    assert notifications.ntfy.send(None, "hello") is False
    post.assert_not_called()


def test_channel_aggregation_tries_each_enabled_channel(monkeypatch):
    discordSend = MagicMock(return_value=False)
    ntfySend = MagicMock(return_value=True)
    monkeypatch.setattr(notifications.discord, "send", discordSend)
    monkeypatch.setattr(notifications.ntfy, "send", ntfySend)

    result = notifications._sendToEnabledChannels(
        {
            "discord_enabled": True,
            "discord_webhook": "https://discord.com/api/webhooks/123/token",
            "ntfy_enabled": True,
            "ntfy_topic": "alerts",
        },
        "hello",
    )

    assert result is True
    discordSend.assert_called_once_with(
        "https://discord.com/api/webhooks/123/token",
        "hello",
    )
    ntfySend.assert_called_once_with("alerts", "hello")


@pytest.mark.parametrize("settings", [None, {}, {"discord_enabled": False}])
def test_channel_aggregation_skips_unconfigured_channels(monkeypatch, settings):
    discordSend = MagicMock()
    ntfySend = MagicMock()
    monkeypatch.setattr(notifications.discord, "send", discordSend)
    monkeypatch.setattr(notifications.ntfy, "send", ntfySend)

    assert notifications._sendToEnabledChannels(settings, "hello") is False
    discordSend.assert_not_called()
    ntfySend.assert_not_called()