import sys
from pathlib import Path

import pytest

sys.path.insert(0, str(Path(__file__).resolve().parent.parent / "backend"))

import db  # noqa: E402
import embedding  # noqa: E402
import korpus  # noqa: E402


@pytest.fixture(autouse=True)
def fake_welt(tmp_path, monkeypatch):
    """Jeder Test: frische In-Memory-DB, Fake-Agenten, Korpus/Topics in tmp.
    Embedding fest auf Jaccard-Fallback — kein Modell-Download, deterministisch."""
    monkeypatch.setenv("CREATOR_FAKE_AGENTS", "1")
    monkeypatch.setattr(embedding, "_geladen", True)
    monkeypatch.setattr(embedding, "_modell", None)
    monkeypatch.setattr(korpus, "KORPUS_DIR", tmp_path / "korpus")
    monkeypatch.setattr(korpus, "TOPICS_DIR", tmp_path / "topics")
    db.on_change = None
    db.reset_for_tests(":memory:")
    yield tmp_path


def topic_anlegen(name="fake-thema", art="thema"):
    db.insert("topics", name=name, titel=name, art=art, provider="minimax")
    return name


def run_anlegen(topic, budget=0):
    return db.insert("runs", topic=topic, status="running", budget_tokens=budget)