"""Onglet "Variables" de l'éditeur de scène (templates/scene_edit.html) —
CRUD classique (formulaires POST/redirect, voir l'onglet "Événements"
pour le même patron) sur les fonctions déjà existantes de db/global_vars/
(list/create/update/delete). Le nom est la clé stable lue par
static/js/play/conditions.js::readVariableValue — jamais modifiable après
création (voir db/global_vars/update_global_variable.py)."""

import re
from typing import Any

from flask.testing import FlaskClient

import db
from tests.conftest import not_none


def _create_screen(client: FlaskClient, slug: str, name: str = "Accueil") -> Any:
    resp = client.post(f"/game/{slug}/screens/new", data={"name": name}, follow_redirects=False)
    return int(not_none(re.search(r"/screens/(\d+)/edit", resp.headers["Location"])).group(1))


def test_create_global_var_route_persists_and_redirects_to_the_variables_tab(client: FlaskClient, game: str) -> None:
    screen_id = _create_screen(client, game)
    resp = client.post(
        f"/game/{game}/variables/new",
        data={"name": "score_total", "type": "nombre_entier", "default_value": "0", "screen_id": screen_id},
        follow_redirects=False,
    )
    assert resp.status_code == 302
    assert resp.headers["Location"].endswith(f"/game/{game}/screens/{screen_id}/edit?tab=variables")
    variables = db.list_global_variables(game)
    assert [v["name"] for v in variables] == ["score_total"]
    assert variables[0]["type"] == "nombre_entier"
    assert variables[0]["value"] == "0"


def test_create_global_var_is_idempotent_by_name(client: FlaskClient, game: str) -> None:
    screen_id = _create_screen(client, game)
    client.post(f"/game/{game}/variables/new", data={"name": "score_total", "screen_id": screen_id})
    client.post(f"/game/{game}/variables/new", data={"name": "score_total", "screen_id": screen_id})
    assert len(db.list_global_variables(game)) == 1


def test_global_var_edit_route_updates_type_and_value(client: FlaskClient, game: str) -> None:
    screen_id = _create_screen(client, game)
    client.post(
        f"/game/{game}/variables/new",
        data={"name": "score_total", "type": "nombre_entier", "default_value": "0", "screen_id": screen_id},
    )
    var_id = db.list_global_variables(game)[0]["id"]

    resp = client.post(
        f"/game/{game}/variables/{var_id}/edit",
        data={"type": "texte", "value": "beaucoup", "screen_id": screen_id},
        follow_redirects=False,
    )
    assert resp.status_code == 302
    assert resp.headers["Location"].endswith(f"/game/{game}/screens/{screen_id}/edit?tab=variables")
    variable = db.list_global_variables(game)[0]
    assert variable["type"] == "texte"
    assert variable["value"] == "beaucoup"
    assert variable["name"] == "score_total"  # le nom ne change jamais


def test_global_var_delete_route_removes_it(client: FlaskClient, game: str) -> None:
    screen_id = _create_screen(client, game)
    client.post(f"/game/{game}/variables/new", data={"name": "score_total", "screen_id": screen_id})
    var_id = db.list_global_variables(game)[0]["id"]

    resp = client.post(f"/game/{game}/variables/{var_id}/delete", data={"screen_id": screen_id}, follow_redirects=False)
    assert resp.status_code == 302
    assert resp.headers["Location"].endswith(f"/game/{game}/screens/{screen_id}/edit?tab=variables")
    assert db.list_global_variables(game) == []


def test_variables_tab_lists_existing_variables_in_the_scene_edit_page(client: FlaskClient, game: str) -> None:
    screen_id = _create_screen(client, game)
    client.post(
        f"/game/{game}/variables/new",
        data={"name": "score_total", "type": "nombre_entier", "default_value": "5", "screen_id": screen_id},
    )

    html = client.get(f"/game/{game}/screens/{screen_id}/edit").get_data(as_text=True)
    assert "score_total" in html
    assert 'data-tab="variables"' in html


# ---------- Réponse AJAX (voir static/js/scenes/global-variables.js) —
# demande explicite : plus de rechargement de page pour créer/modifier/
# supprimer une variable. ----------


def test_create_global_var_ajax_returns_the_row_html_without_redirecting(client: FlaskClient, game: str) -> None:
    screen_id = _create_screen(client, game)
    resp = client.post(
        f"/game/{game}/variables/new",
        data={"name": "score_total", "type": "nombre_entier", "default_value": "0", "screen_id": screen_id},
        headers={"X-Requested-With": "fetch"},
    )
    assert resp.status_code == 200
    body = resp.get_json()
    assert body["ok"] is True
    assert "score_total" in body["row_html"]
    assert 'data-var-row="' in body["row_html"]


def test_global_var_edit_ajax_returns_ok_without_redirecting(client: FlaskClient, game: str) -> None:
    screen_id = _create_screen(client, game)
    client.post(
        f"/game/{game}/variables/new",
        data={"name": "score_total", "type": "nombre_entier", "default_value": "0", "screen_id": screen_id},
    )
    var_id = db.list_global_variables(game)[0]["id"]

    resp = client.post(
        f"/game/{game}/variables/{var_id}/edit",
        data={"type": "texte", "value": "beaucoup"},
        headers={"X-Requested-With": "fetch"},
    )
    assert resp.status_code == 200
    assert resp.get_json() == {"ok": True}
    assert db.list_global_variables(game)[0]["value"] == "beaucoup"


def test_global_var_delete_ajax_returns_ok_without_redirecting(client: FlaskClient, game: str) -> None:
    screen_id = _create_screen(client, game)
    client.post(f"/game/{game}/variables/new", data={"name": "score_total", "screen_id": screen_id})
    var_id = db.list_global_variables(game)[0]["id"]

    resp = client.post(
        f"/game/{game}/variables/{var_id}/delete",
        headers={"X-Requested-With": "fetch"},
    )
    assert resp.status_code == 200
    assert resp.get_json() == {"ok": True}
    assert db.list_global_variables(game) == []