"""Modèle de données du mini-jeu Scénario
(document_engine/labels/scenario_config.py) — sans Flask, teste
directement sanitize_scenario_config (arbre de décision), et le rendu
du plateau."""

from typing import Any

import document_engine as doc_engine


def test_sanitize_scenario_config_on_missing_input_returns_full_defaults() -> None:
    assert doc_engine.sanitize_scenario_config(None) == {"theme_color": "#ff5f2e", "scenarios": []}


def test_sanitize_scenario_config_keeps_a_valid_tree_as_is() -> None:
    raw = {
        "theme_color": "#123456",
        "scenarios": [
            {
                "title": "Mot de passe",
                "nodes": [
                    {
                        "id": "n1",
                        "text": "Un collègue vous demande son mot de passe.",
                        "choices": [
                            {"text": "Le lui donner", "target_id": "n2"},
                            {"text": "Refuser", "target_id": None},
                        ],
                    },
                    {"id": "n2", "text": "Violation de sécurité.", "choices": []},
                ],
            }
        ],
    }
    config = doc_engine.sanitize_scenario_config(raw)
    assert config["theme_color"] == "#123456"
    assert config["scenarios"] == raw["scenarios"]


def test_sanitize_scenario_config_drops_a_scenario_with_empty_title() -> None:
    raw = {"scenarios": [{"title": "  ", "nodes": [{"id": "n1", "text": "Situation", "choices": []}]}]}
    assert doc_engine.sanitize_scenario_config(raw)["scenarios"] == []


def test_sanitize_scenario_config_drops_a_scenario_with_no_valid_node() -> None:
    raw = {"scenarios": [{"title": "Titre", "nodes": [{"id": "n1", "text": "  ", "choices": []}]}]}
    assert doc_engine.sanitize_scenario_config(raw)["scenarios"] == []


def test_sanitize_scenario_config_drops_a_node_missing_its_id() -> None:
    raw = {
        "scenarios": [
            {
                "title": "Titre",
                "nodes": [
                    {"id": "n1", "text": "Situation", "choices": []},
                    {"text": "Nœud sans id", "choices": []},
                ],
            }
        ]
    }
    config = doc_engine.sanitize_scenario_config(raw)
    assert len(config["scenarios"][0]["nodes"]) == 1


def test_sanitize_scenario_config_drops_a_node_with_empty_text() -> None:
    raw = {
        "scenarios": [
            {
                "title": "Titre",
                "nodes": [
                    {"id": "n1", "text": "Situation", "choices": []},
                    {"id": "n2", "text": "   ", "choices": []},
                ],
            }
        ]
    }
    config = doc_engine.sanitize_scenario_config(raw)
    assert [n["id"] for n in config["scenarios"][0]["nodes"]] == ["n1"]


def test_sanitize_scenario_config_drops_duplicate_node_ids() -> None:
    raw = {
        "scenarios": [
            {
                "title": "Titre",
                "nodes": [
                    {"id": "n1", "text": "Situation", "choices": []},
                    {"id": "n1", "text": "Doublon", "choices": []},
                ],
            }
        ]
    }
    config = doc_engine.sanitize_scenario_config(raw)
    assert len(config["scenarios"][0]["nodes"]) == 1
    assert config["scenarios"][0]["nodes"][0]["text"] == "Situation"


def test_sanitize_scenario_config_drops_a_choice_with_empty_text() -> None:
    raw = {
        "scenarios": [
            {
                "title": "Titre",
                "nodes": [
                    {
                        "id": "n1",
                        "text": "Situation",
                        "choices": [{"text": "  ", "target_id": None}, {"text": "Valide", "target_id": None}],
                    }
                ],
            }
        ]
    }
    config = doc_engine.sanitize_scenario_config(raw)
    assert [c["text"] for c in config["scenarios"][0]["nodes"][0]["choices"]] == ["Valide"]


def test_sanitize_scenario_config_caps_choices_per_node_at_max() -> None:
    raw = {
        "scenarios": [
            {
                "title": "Titre",
                "nodes": [
                    {
                        "id": "n1",
                        "text": "Situation",
                        "choices": [
                            {"text": f"Choix {i}", "target_id": None}
                            for i in range(doc_engine.MAX_SCENARIO_CHOICES + 3)
                        ],
                    }
                ],
            }
        ]
    }
    config = doc_engine.sanitize_scenario_config(raw)
    assert len(config["scenarios"][0]["nodes"][0]["choices"]) == doc_engine.MAX_SCENARIO_CHOICES


def test_sanitize_scenario_config_allows_a_node_with_zero_choices() -> None:
    """Un nœud sans choix est une fin de branche VALIDE — contrairement à
    l'ancien modèle (2 à 4 choix obligatoires), il n'y a plus de notion
    de bonne/mauvaise réponse à valider ici."""
    raw = {"scenarios": [{"title": "Titre", "nodes": [{"id": "n1", "text": "Fin.", "choices": []}]}]}
    config = doc_engine.sanitize_scenario_config(raw)
    assert config["scenarios"][0]["nodes"][0]["choices"] == []


def test_sanitize_scenario_config_nulls_a_target_id_pointing_to_a_missing_node() -> None:
    raw = {
        "scenarios": [
            {
                "title": "Titre",
                "nodes": [
                    {
                        "id": "n1",
                        "text": "Situation",
                        "choices": [{"text": "Vers un nœud supprimé", "target_id": "n99"}],
                    }
                ],
            }
        ]
    }
    config = doc_engine.sanitize_scenario_config(raw)
    assert config["scenarios"][0]["nodes"][0]["choices"][0]["target_id"] is None


def test_sanitize_scenario_config_keeps_a_target_id_pointing_to_a_later_node() -> None:
    """L'ordre des nœuds dans la liste ne contraint pas les références —
    un choix du nœud 0 peut viser un nœud défini plus loin dans la liste
    (voir le second passage de _sanitize_scenario, après avoir construit
    l'ensemble complet des ids valides)."""
    raw = {
        "scenarios": [
            {
                "title": "Titre",
                "nodes": [
                    {"id": "n1", "text": "Situation", "choices": [{"text": "Continuer", "target_id": "n2"}]},
                    {"id": "n2", "text": "Suite", "choices": []},
                ],
            }
        ]
    }
    config = doc_engine.sanitize_scenario_config(raw)
    assert config["scenarios"][0]["nodes"][0]["choices"][0]["target_id"] == "n2"


def test_sanitize_scenario_config_keeps_multiple_scenarios_in_order() -> None:
    raw = {
        "scenarios": [
            {"title": "Scénario 1", "nodes": [{"id": "n1", "text": "Situation 1", "choices": []}]},
            {"title": "Scénario 2", "nodes": [{"id": "n1", "text": "Situation 2", "choices": []}]},
        ]
    }
    config = doc_engine.sanitize_scenario_config(raw)
    assert [s["title"] for s in config["scenarios"]] == ["Scénario 1", "Scénario 2"]


def test_sanitize_scenario_config_ignores_garbage_top_level_input() -> None:
    assert doc_engine.sanitize_scenario_config("n'importe quoi") == doc_engine.DEFAULT_SCENARIO_CONFIG


def _scenario_element(attributes: dict[str, Any]) -> dict[str, Any]:
    return {"id": 1, "kind": "scenario", "parent_id": None, "order_index": 0, "attributes": attributes}


def test_render_scenario_without_scenarios_shows_only_the_badge() -> None:
    html = doc_engine.render_document_element(_scenario_element(doc_engine.DEFAULT_SCENARIO_CONFIG), {})
    assert "0 scénario" in html
    assert "docScenarioPlayer" not in html


def test_render_scenario_with_scenarios_includes_the_interactive_player() -> None:
    config = doc_engine.sanitize_scenario_config(
        {
            "scenarios": [
                {
                    "title": "Mot de passe",
                    "nodes": [
                        {
                            "id": "n1",
                            "text": "Un collègue vous demande son mot de passe.",
                            "choices": [{"text": "Refuser", "target_id": None}],
                        }
                    ],
                }
            ]
        }
    )
    html = doc_engine.render_document_element(_scenario_element(config), {})
    assert "docScenarioPlayer" in html
    assert "docQuizOptions" in html
    assert "data-scenario-config=" in html
    assert "1 scénario" in html


def test_render_scenario_escapes_node_text_in_embedded_json() -> None:
    config = doc_engine.sanitize_scenario_config(
        {
            "scenarios": [
                {
                    "title": "Titre",
                    "nodes": [{"id": "n1", "text": '"><script>alert(1)</script>', "choices": []}],
                }
            ]
        }
    )
    html = doc_engine.render_document_element(_scenario_element(config), {})
    assert "<script>alert(1)</script>" not in html
    assert "&lt;script&gt;" in html