"""Unit tests for portfolio priority sorting — AP1.8a."""

from steering.portfolio.priority import sort_candidates_by_portfolio_rank


def test_sort_candidates_by_portfolio_rank():
    candidates = [
        {"kind": "a", "initiative_id": "low"},
        {"kind": "b", "initiative_id": "high"},
        {"kind": "c", "initiative_id": "mid"},
    ]
    rank_map = {"high": 0, "mid": 1, "low": 2}
    sorted_items = sort_candidates_by_portfolio_rank(candidates, rank_map)
    assert [c["initiative_id"] for c in sorted_items] == ["high", "mid", "low"]
    assert sorted_items[0]["portfolio_rank"] == 0


def test_null_rank_sorts_last():
    candidates = [
        {"initiative_id": "unknown"},
        {"initiative_id": "ranked"},
    ]
    rank_map = {"ranked": 0}
    sorted_items = sort_candidates_by_portfolio_rank(candidates, rank_map)
    assert sorted_items[0]["initiative_id"] == "ranked"


def test_portfolio_reorder_api(client):
    from tests.test_initiatives_actions import _auth, _create_initiative, _login
    from tests.factories import provision_user_in_tenant

    user = provision_user_in_tenant(tenant_role="member")
    token = _login(client, user)

    first = _create_initiative(client, token, title="Alpha").json()
    second = _create_initiative(client, token, title="Beta").json()

    reorder = client.post(
        "/api/workspace/portfolio/reorder",
        json={"initiative_ids": [second["id"], first["id"]]},
        headers=_auth(token),
    )
    assert reorder.status_code == 200
    ordered = reorder.json()
    assert ordered[0]["id"] == second["id"]
    assert ordered[0]["portfolio_rank"] == 0
    assert ordered[1]["portfolio_rank"] == 1