# tests/runtime/test_director_predator_chase.py
from proteus.game.runtime.multiagent_director import author_predator_chase


def _run():
    return author_predator_chase(
        seed=7,
        agent_starts=[(10, 30), (14, 38), (18, 24), (12, 46)],
        predator_start=(54, 31),
    )


def test_deterministic():
    a, b = _run(), _run()
    assert a.model_dump_json() == b.model_dump_json()


def test_ends_with_single_chosen_survivor():
    ck = _run()
    last = ck.memory_turns[-1]
    alive = [a for a in last.agents if a.kind == "agent" and a.alive]
    assert len(alive) == 1 and alive[0].is_chosen and alive[0].id == "a0"
    assert ck.chosen_agent_id == "a0"


def test_chosen_alive_every_turn_and_kills_recorded():
    ck = _run()
    for t in ck.memory_turns:
        chosen = next(a for a in t.agents if a.id == "a0")
        assert chosen.alive
    all_events = [e for t in ck.memory_turns for e in t.events]
    assert sum("eaten" in e for e in all_events) == 3  # 3 distractors caught


def test_persona_id_recorded():
    assert _run().persona_weight_id == "risk_averse"