import datetime as dt
import uuid

from app.models import Role


def _url(edition):
    return f"/editions/{edition.id}"


def test_read_edition_exposes_the_date_range(client, edition):
    body = client.get(_url(edition)).json()
    assert body["start_date"] == "2026-07-09"
    assert body["end_date"] == "2026-07-12"
    assert body["year"] == 2026


def test_coordinator_can_extend_the_edition(client, edition):
    resp = client.patch(_url(edition), json={"end_date": "2026-07-15"})
    assert resp.status_code == 200
    assert resp.json()["end_date"] == "2026-07-15"
    assert client.get(_url(edition)).json()["end_date"] == "2026-07-15"


def test_end_before_start_is_rejected(client, edition):
    resp = client.patch(_url(edition), json={"end_date": "2026-07-01"})
    assert resp.status_code == 422
    assert resp.json()["detail"]["code"] == "edition.dates_inconsistent"


def test_lead_cannot_update_the_edition(edition, make_account, as_account):
    lead = make_account(Role.LEAD, email="lead@e.fr")
    resp = as_account(lead).patch(_url(edition), json={"name": "Renommée"})
    assert resp.status_code == 403


def test_volunteer_can_read_but_not_update(edition, session, make_account, as_account):
    from tests.factories import make_volunteer

    volunteer = make_volunteer(session, edition, email="v@e.fr")
    account = make_account(Role.VOLUNTEER, volunteer_id=volunteer.id, email="v@e.fr")
    client = as_account(account)
    assert client.get(_url(edition)).status_code == 200
    assert client.patch(_url(edition), json={"name": "X"}).status_code == 403


def test_unknown_edition_is_404(client):
    assert client.get(f"/editions/{uuid.uuid4()}").status_code == 404


def test_update_keeps_unchanged_fields(client, edition):
    resp = client.patch(_url(edition), json={"name": "Festival 2026"})
    assert resp.status_code == 200
    body = resp.json()
    assert body["name"] == "Festival 2026"
    assert body["start_date"] == "2026-07-09"
    assert dt.date.fromisoformat(body["end_date"]) == dt.date(2026, 7, 12)