"""Tests de l'éditeur de flow à nœuds (déclencheur / condition / action)."""
import json
import re

import screens
from conftest import play_js_bundle


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 test_flow_node_and_edge_crud(client, game):
    screen_id = _create_screen(client, game)
    element_id = screens.add_scene_object(game, screen_id)

    resp = client.post(
        f"/game/{game}/screens/{screen_id}/flow/nodes/add",
        data=json.dumps({"node_type": "trigger", "trigger_element_id": element_id, "trigger_event": "clic"}),
        content_type="application/json",
    )
    assert resp.status_code == 200
    trigger_node = resp.get_json()
    assert trigger_node["node_type"] == "trigger"

    resp = client.post(
        f"/game/{game}/screens/{screen_id}/flow/nodes/add",
        data=json.dumps({"node_type": "action", "action_type": "ecran_suivant"}),
        content_type="application/json",
    )
    action_node = resp.get_json()

    resp = client.post(
        f"/game/{game}/screens/{screen_id}/flow/edges/add",
        data=json.dumps({"from_node_id": trigger_node["id"], "from_port": "out", "to_node_id": action_node["id"]}),
        content_type="application/json",
    )
    assert resp.status_code == 200

    html = client.get(f"/game/{game}/screens/{screen_id}/edit").data.decode()
    assert str(trigger_node["id"]) in html


def test_multiple_actions_from_one_trigger(client, game):
    """Régression : un déclencheur doit pouvoir avoir PLUSIEURS arêtes
    sortantes (plusieurs actions exécutées au même clic)."""
    screen_id = _create_screen(client, game)
    element_id = screens.add_scene_object(game, screen_id)

    resp = client.post(
        f"/game/{game}/screens/{screen_id}/flow/nodes/add",
        data=json.dumps({"node_type": "trigger", "trigger_element_id": element_id, "trigger_event": "clic"}),
        content_type="application/json",
    )
    trigger_node = resp.get_json()

    action_ids = []
    for action_type in ("ecran_suivant", "rien"):
        resp = client.post(
            f"/game/{game}/screens/{screen_id}/flow/nodes/add",
            data=json.dumps({"node_type": "action", "action_type": action_type}),
            content_type="application/json",
        )
        action_ids.append(resp.get_json()["id"])

    for aid in action_ids:
        resp = client.post(
            f"/game/{game}/screens/{screen_id}/flow/edges/add",
            data=json.dumps({"from_node_id": trigger_node["id"], "from_port": "out", "to_node_id": aid}),
            content_type="application/json",
        )
        assert resp.status_code == 200

    edges = screens.list_flow_edges(game, screen_id)
    from_trigger = [e for e in edges if e["from_node_id"] == trigger_node["id"]]
    assert len(from_trigger) == 2


def test_play_page_exposes_row_bindings_helpers(client, game):
    """Le runtime jouable doit embarquer la logique côté client capable de
    résoudre les {{champ}} de la ligne ouverte (voir README, section
    "Cliquer une ligne de Répéteur") — vérifie que le JS livré au joueur
    contient bien les briques attendues, sans dépendre d'un navigateur."""
    js = play_js_bundle()
    assert "applyOpenRowBindings" in js
    assert "lastClickedRowId" in js
    assert "'ouvrir_ligne'" in js


def test_affichage_trigger_does_not_require_element(client, game):
    """Régression 1.2 : le nouveau déclencheur "affichage" doit pouvoir être
    créé SANS élément cible (il concerne l'écran entier), contrairement au
    déclencheur "clic" — voir screens/flow/constants.py."""
    screen_id = _create_screen(client, game)
    resp = client.post(
        f"/game/{game}/screens/{screen_id}/flow/nodes/add",
        data=json.dumps({"node_type": "trigger", "trigger_event": "affichage"}),
        content_type="application/json",
    )
    assert resp.status_code == 200
    node = resp.get_json()
    assert node["trigger_event"] == "affichage"
    assert node["trigger_element_id"] is None


def test_play_page_exposes_screen_show_trigger_helper(client, game):
    """Le runtime jouable doit exécuter les nœuds "affichage" à chaque fois
    qu'un écran est montré (premier affichage, retour en arrière, données
    modifiées) — voir README, section correspondante."""
    js = play_js_bundle()
    assert "runScreenShowTriggers" in js
    assert "'affichage'" in js