from backend.database import db
from backend.main import app
from fastapi.testclient import TestClient

client = TestClient(app)


def setup_function() -> None:
    db._cases.clear()  # type: ignore[attr-defined]


def test_admin_dashboard_reflects_outcomes_and_distance_median() -> None:
    db.create_case(age=12, gender='female', status='new')
    db.create_case(age=17, gender='male', status='analyzed', found_alive=True, found_distance_km=2.0)
    db.create_case(age=19, gender='female', status='closed', found_alive=False, found_distance_km=6.0)

    response = client.get('/api/v1/admin/dashboard')

    assert response.status_code == 200
    payload = response.json()
    assert payload['total_cases'] == 3
    assert payload['found_alive_count'] == 1
    assert payload['found_deceased_count'] == 1
    assert payload['unknown_outcome_count'] == 1
    assert payload['median_found_distance_km'] == 4.0
    assert payload['recent_activity_count'] == 3


def test_admin_dashboard_is_zero_safe_when_no_cases_exist() -> None:
    response = client.get('/api/v1/admin/dashboard')

    assert response.status_code == 200
    payload = response.json()
    assert payload['total_cases'] == 0
    assert payload['found_alive_count'] == 0
    assert payload['found_deceased_count'] == 0
    assert payload['unknown_outcome_count'] == 0
    assert payload['median_found_distance_km'] is None
    assert payload['recent_activity_count'] == 0