"""Тесты общего предпросмотра сообщений."""

from __future__ import annotations

from fastapi.testclient import TestClient


def _client(client_factory) -> TestClient:
    return client_factory()


def test_preview_renders_tags(client_factory, csrf_token) -> None:
    client = _client(client_factory)
    token = csrf_token(client.get("/send").text)

    response = client.post("/preview", data={"text": "Привет, {nick}!", "csrf_token": token})

    assert response.status_code == 200
    assert "ТестовыйНик" in response.text
    assert "<iframe" in response.text


def test_preview_reports_unknown_tag(client_factory, csrf_token) -> None:
    client = _client(client_factory)
    token = csrf_token(client.get("/send").text)

    response = client.post("/preview", data={"text": "Привет, {unknown_tag}!", "csrf_token": token})

    assert response.status_code == 200
    assert "Неизвестные теги" in response.text


def test_preview_requires_csrf(client_factory) -> None:
    response = _client(client_factory).post("/preview", data={"text": "Привет"})

    assert response.status_code == 400