"""Tests du widget Onglets — ajouter/renommer/supprimer un onglet, contenu
par onglet (un vrai conteneur enfant, voir screens/elements/add_tab.py).

À ne pas confondre avec tests/test_onglets.py, qui teste l'action de flux
existante "activer_onglet" (2.3, montrer un élément et masquer ses frères) —
un mécanisme manuel plus bas niveau, toujours disponible séparément, que ce
widget ne remplace pas."""
import re


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


def _create_onglets(client, slug, screen_id):
    resp = client.post(f"/game/{slug}/screens/{screen_id}/elements/add", data={"widget": "onglets"}, follow_redirects=False)
    return int(re.search(r"selected=(\d+)", resp.headers["Location"]).group(1))


def _tab_rename_ids(html):
    """Ids des formulaires de renommage DANS le bloc "Onglets" du panneau de
    propriétés — pas le premier /elements/<id>/rename de la page, qui est le
    champ "Nommer" générique de l'élément actuellement sélectionné (pas
    forcément un onglet, ex. l'élément Onglets lui-même)."""
    block = html.split("Onglets (", 1)[-1]
    return [int(x) for x in re.findall(r"/elements/(\d+)/rename", block)]


def test_new_tabs_widget_has_no_tabs_yet(client, game):
    screen_id = _create_screen(client, game)
    _create_onglets(client, game, screen_id)
    html = client.get(f"/game/{game}/play").data.decode()
    assert "forgeTabBtn" not in html
    assert "ajoute au moins un onglet" in html


def test_add_tab_creates_a_named_child_container(client, game):
    screen_id = _create_screen(client, game)
    onglets_id = _create_onglets(client, game, screen_id)

    resp = client.post(f"/game/{game}/elements/{onglets_id}/tabs/add", follow_redirects=False)
    assert resp.status_code == 302
    assert f"selected={onglets_id}" in resp.headers["Location"]  # reste sur le widget Onglets, pas le nouvel onglet

    html = client.get(f"/game/{game}/screens/{screen_id}/edit").data.decode()
    assert ">Onglet 1<" in html  # nom par défaut, affiché tel quel comme libellé de l'onglet


def test_second_tab_is_named_onglet_2_and_starts_hidden(client, game):
    screen_id = _create_screen(client, game)
    onglets_id = _create_onglets(client, game, screen_id)
    client.post(f"/game/{game}/elements/{onglets_id}/tabs/add")
    client.post(f"/game/{game}/elements/{onglets_id}/tabs/add")

    html = client.get(f"/game/{game}/screens/{screen_id}/edit").data.decode()
    assert ">Onglet 1<" in html
    assert ">Onglet 2<" in html
    # Seul le premier onglet est visible par défaut (le second est en display:none).
    assert 'style="display:none;"' in html


def test_renaming_a_tab_changes_the_visible_label(client, game):
    screen_id = _create_screen(client, game)
    onglets_id = _create_onglets(client, game, screen_id)
    client.post(f"/game/{game}/elements/{onglets_id}/tabs/add")

    html = client.get(f"/game/{game}/screens/{screen_id}/edit?selected={onglets_id}").data.decode()
    tab_id = _tab_rename_ids(html)[0]

    client.post(f"/game/{game}/elements/{tab_id}/rename", data={"name": "Statistiques"})
    html = client.get(f"/game/{game}/screens/{screen_id}/edit").data.decode()
    assert ">Statistiques<" in html
    assert ">Onglet 1<" not in html


def test_deleting_a_tab_removes_it_and_reselects_the_tabs_widget(client, game):
    screen_id = _create_screen(client, game)
    onglets_id = _create_onglets(client, game, screen_id)
    client.post(f"/game/{game}/elements/{onglets_id}/tabs/add")
    client.post(f"/game/{game}/elements/{onglets_id}/tabs/add", follow_redirects=False)
    html = client.get(f"/game/{game}/screens/{screen_id}/edit?selected={onglets_id}").data.decode()
    tab_ids = _tab_rename_ids(html)
    assert len(tab_ids) == 2

    resp = client.post(f"/game/{game}/elements/{tab_ids[1]}/delete", follow_redirects=False)
    assert resp.status_code == 302
    assert f"selected={onglets_id}" in resp.headers["Location"]

    html = client.get(f"/game/{game}/screens/{screen_id}/edit").data.decode()
    assert html.count("forgeShowTab(this)") == 1


def test_tab_content_holds_a_real_container_children_can_be_added_to(client, game):
    """Régression : chaque onglet doit se comporter comme un vrai conteneur
    — on doit pouvoir y poser un Répéteur/Conteneur/etc. via "Ajouter DANS
    ce conteneur", exactement comme pour n'importe quel autre conteneur."""
    screen_id = _create_screen(client, game)
    onglets_id = _create_onglets(client, game, screen_id)
    client.post(f"/game/{game}/elements/{onglets_id}/tabs/add")
    html = client.get(f"/game/{game}/screens/{screen_id}/edit?selected={onglets_id}").data.decode()
    tab_id = _tab_rename_ids(html)[0]

    resp = client.post(f"/game/{game}/elements/{tab_id}/children/add", data={"widget": "titre"}, follow_redirects=False)
    assert resp.status_code == 302
    child_id = int(re.search(r"selected=(\d+)", resp.headers["Location"]).group(1))
    client.post(f"/game/{game}/elements/{child_id}/save", data={"ctrl_content": "Bienvenue dans cet onglet"})

    html = client.get(f"/game/{game}/screens/{screen_id}/edit").data.decode()
    assert "Bienvenue dans cet onglet" in html


def test_deleting_the_tabs_widget_cascades_to_its_tabs(client, game):
    screen_id = _create_screen(client, game)
    onglets_id = _create_onglets(client, game, screen_id)
    client.post(f"/game/{game}/elements/{onglets_id}/tabs/add")

    client.post(f"/game/{game}/elements/{onglets_id}/delete")
    html = client.get(f"/game/{game}/screens/{screen_id}/edit").data.decode()
    assert "forgeTabBtn" not in html
    assert ">Onglet 1<" not in html