from fastapi.testclient import TestClient

from env.environment import IncidentResponseEnv
from env.models import Action
from server.app import app
from tasks.easy_task import EasyTask


def test_grade_endpoint_scores_history() -> None:
    client = TestClient(app)

    env = IncidentResponseEnv(EasyTask())
    env.reset()
    env.step(Action(action_type="query_metrics", params={"service": "api-gateway"}))
    env.step(
        Action(
            action_type="update_config",
            params={
                "service": "api-gateway",
                "key": "upstream_url",
                "value": "http://backend:8080",
            },
        )
    )
    final = env.step(Action(action_type="mark_resolved", params={}))

    payload = {
        "task_id": "single-config-fault",
        "action_history": list(final.observation.action_history),
        "final_state": env.state(),
    }
    response = client.post("/grade", json=payload)

    assert response.status_code == 200
    body = response.json()
    assert body["task_id"] == "single-config-fault"
    assert 0.0 < body["score"] < 1.0