"""Tests des garde-fous : payload invalide, limites de taille et de noeuds."""

from __future__ import annotations

import os

from fastapi.testclient import TestClient

from app.config import get_settings
from tests.conftest import build_map


def test_missing_map_returns_422(client: TestClient) -> None:
    response = client.post("/api/shares", json={"title": "Sans carte"})
    assert response.status_code == 422
    assert "carte valide" in response.json()["detail"]


def test_map_without_version_returns_422(client: TestClient) -> None:
    payload = build_map()
    del payload["version"]
    response = client.post("/api/shares", json={"title": "x", "map": payload})
    assert response.status_code == 422


def test_node_without_id_returns_422(client: TestClient) -> None:
    payload = build_map()
    del payload["nodes"][0]["id"]
    response = client.post("/api/shares", json={"title": "x", "map": payload})
    assert response.status_code == 422


def test_unknown_top_level_field_is_rejected(client: TestClient) -> None:
    response = client.post(
        "/api/shares", json={"title": "x", "map": build_map(), "is_premium": True}
    )
    assert response.status_code == 422


def test_garbage_body_returns_422(client: TestClient) -> None:
    response = client.post("/api/shares", json={"map": "ceci n est pas une carte"})
    assert response.status_code == 422


def test_node_count_limit_is_enforced(client: TestClient) -> None:
    os.environ["MAX_NODES"] = "10"
    get_settings.cache_clear()
    try:
        response = client.post("/api/shares", json={"title": "x", "map": build_map(node_count=25)})
        assert response.status_code == 422
        assert "10" in response.json()["detail"]
    finally:
        os.environ["MAX_NODES"] = "5000"
        get_settings.cache_clear()


def test_map_size_limit_is_enforced(client: TestClient) -> None:
    os.environ["MAX_MAP_SIZE_MB"] = "0.001"
    get_settings.cache_clear()
    try:
        response = client.post("/api/shares", json={"title": "x", "map": build_map(node_count=60)})
        assert response.status_code == 413
        assert "volumineuse" in response.json()["detail"] or "limite" in response.json()["detail"]
    finally:
        os.environ["MAX_MAP_SIZE_MB"] = "10"
        get_settings.cache_clear()


def test_node_text_is_stored_as_plain_text(client: TestClient) -> None:
    """Le backend stocke le texte tel quel : il ne l interprete jamais comme du HTML."""
    payload = build_map()
    payload["nodes"][0]["text"] = "<script>alert(1)</script>"
    created = client.post("/api/shares", json={"title": "x", "map": payload})
    assert created.status_code == 201

    public = client.get("/api/shares/" + created.json()["share_token"]).json()
    assert public["map"]["nodes"][0]["text"] == "<script>alert(1)</script>"
    assert public["map"]["nodes"][0]["type"] == "root"