import uuid
from agentmsgs.core.types import Agent, Thread, Message
import datetime

def test_agent_identity_on_id_not_name():
    a1 = Agent(id=uuid.uuid4(), name="Alice")
    a2 = Agent(id=uuid.uuid4(), name="Alice")
    assert a1 != a2  # different id => not equal even though name same
    assert hash(a1) != hash(a2)

def test_agent_hash_on_id():
    uid = uuid.uuid4()
    a1 = Agent(id=uid, name="Alice")
    a2 = Agent(id=uid, name="Bob")  # same id, different name => equal per design (id is identity)
    assert a1 == a2
    assert hash(a1) == hash(a2)

def test_thread_multiple_with_same_participants_allowed():
    a = Agent(id=uuid.uuid4(), name="A")
    b = Agent(id=uuid.uuid4(), name="B")
    t1 = Thread(id=uuid.uuid4(), participants=frozenset({a,b}), created_at=datetime.datetime.now(datetime.timezone.utc))
    t2 = Thread(id=uuid.uuid4(), participants=frozenset({a,b}), created_at=datetime.datetime.now(datetime.timezone.utc))
    assert t1 != t2
    assert t1.participants == t2.participants