"""Tests du bornage automatique des champs numériques (2.2)."""

import json
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 _create_numeric_object(
    client: FlaskClient,
    slug: str,
    field_name: str = "reputation",
    min_v: str = "0",
    max_v: str = "100",
    start: str = "50",
) -> Any:
    field: dict[str, Any] = {"name": field_name, "type": "nombre_entier"}
    if min_v != "":
        field["min_value"] = min_v
    if max_v != "":
        field["max_value"] = max_v
    def_id = db.create_definition(slug, "Partie", [field])
    definition = not_none(db.get_definition(slug, def_id))
    db.insert_row(slug, definition, {field_name: start})
    return def_id


def _get_row_value(client: FlaskClient, slug: str, def_id: int, field_name: str) -> Any:
    import db

    definition = not_none(db.get_definition(slug, def_id))
    rows = db.list_rows(slug, definition)
    return rows[0].get(db.slugify(field_name).replace("-", "_"))


def test_field_bounds_are_stored_at_creation(client: FlaskClient, game: str) -> None:
    def_id = _create_numeric_object(client, game, "reputation", "0", "100", "50")
    import db

    definition = not_none(db.get_definition(game, def_id))
    field = definition["fields"][0]
    assert field["min_value"] == 0
    assert field["max_value"] == 100


def test_incrementer_clamps_to_max(client: FlaskClient, game: str) -> None:
    """Régression 2.2 : une action "Augmenter de..." ne doit jamais faire
    dépasser la borne maxi réglée sur le champ, même si le montant ajouté
    dépasse largement ce qu'il reste avant la limite."""
    def_id = _create_numeric_object(client, game, "reputation", "0", "100", "95")

    screen_id = _create_screen(client, game)
    resp = client.post(
        f"/game/{game}/screens/{screen_id}/flow/nodes/add",
        data=json.dumps(
            {
                "node_type": "action",
                "action_type": "modifier_donnee",
                "target_definition_id": def_id,
                "target_row_id": 1,
                "target_field": "reputation",
                "data_operation": "incrementer",
                "data_value": "50",
            }
        ),
        content_type="application/json",
    )
    node = resp.get_json()

    resp = client.post(f"/game/{game}/flow/nodes/{node['id']}/run-data")
    assert resp.get_json() == {"ok": True}

    new_value = _get_row_value(client, game, def_id, "reputation")
    assert new_value == 100, f"la valeur aurait dû être bornée à 100, vaut {new_value}"


def test_decrementer_clamps_to_min(client: FlaskClient, game: str) -> None:
    """Régression 2.2 : symétrique pour "Diminuer de..." et la borne mini."""
    def_id = _create_numeric_object(client, game, "reputation", "0", "100", "5")

    screen_id = _create_screen(client, game)
    resp = client.post(
        f"/game/{game}/screens/{screen_id}/flow/nodes/add",
        data=json.dumps(
            {
                "node_type": "action",
                "action_type": "modifier_donnee",
                "target_definition_id": def_id,
                "target_row_id": 1,
                "target_field": "reputation",
                "data_operation": "decrementer",
                "data_value": "50",
            }
        ),
        content_type="application/json",
    )
    node = resp.get_json()

    client.post(f"/game/{game}/flow/nodes/{node['id']}/run-data")
    new_value = _get_row_value(client, game, def_id, "reputation")
    assert new_value == 0, f"la valeur aurait dû être bornée à 0, vaut {new_value}"


def test_definir_nombre_also_clamped(client: FlaskClient, game: str) -> None:
    """Régression 2.2 : "Donner cette valeur (nombre)" doit aussi être
    bornée, pas seulement les incréments/décréments."""
    def_id = _create_numeric_object(client, game, "reputation", "0", "100", "50")

    screen_id = _create_screen(client, game)
    resp = client.post(
        f"/game/{game}/screens/{screen_id}/flow/nodes/add",
        data=json.dumps(
            {
                "node_type": "action",
                "action_type": "modifier_donnee",
                "target_definition_id": def_id,
                "target_row_id": 1,
                "target_field": "reputation",
                "data_operation": "definir_nombre",
                "data_value": "9999",
            }
        ),
        content_type="application/json",
    )
    node = resp.get_json()

    client.post(f"/game/{game}/flow/nodes/{node['id']}/run-data")
    new_value = _get_row_value(client, game, def_id, "reputation")
    assert new_value == 100


def test_no_bounds_set_means_unlimited(client: FlaskClient, game: str) -> None:
    """Sans bornes réglées (champ laissé vide), le comportement doit rester
    celui d'avant 2.2 : aucune limite appliquée."""
    def_id = _create_numeric_object(client, game, "reputation", "", "", "50")

    screen_id = _create_screen(client, game)
    resp = client.post(
        f"/game/{game}/screens/{screen_id}/flow/nodes/add",
        data=json.dumps(
            {
                "node_type": "action",
                "action_type": "modifier_donnee",
                "target_definition_id": def_id,
                "target_row_id": 1,
                "target_field": "reputation",
                "data_operation": "incrementer",
                "data_value": "500",
            }
        ),
        content_type="application/json",
    )
    node = resp.get_json()

    client.post(f"/game/{game}/flow/nodes/{node['id']}/run-data")
    new_value = _get_row_value(client, game, def_id, "reputation")
    assert new_value == 550