import pytest

from app.core.contracts import AgentDefinition, AgentRequest, CoreResult, RequestContext
from app.service.agent.base import BaseAgent
from app.service.agent.executor import AgentExecutor
from app.service.agent.factory import AgentFactory


class DemoAgent(BaseAgent):
    async def handle(self, request: AgentRequest, context: RequestContext) -> CoreResult:
        return CoreResult(text=request.message)


@pytest.mark.asyncio
async def test_executor_uses_factory_and_emits_terminal_event(governance) -> None:
    definition = AgentDefinition(agent_type="demo", version="1",
                                 allowed_roles=("customer",), allowed_portals=("api",))
    factory = AgentFactory(governance)
    factory.register(definition, lambda _: DemoAgent(definition))
    request = AgentRequest(
        agent_type="demo", message="hello", session_id="s1", idempotency_key="key-123456789012"
    )
    events = [event async for event in AgentExecutor(factory).execute(
        "demo", request, RequestContext(user_id="1", trace_id="t1",
                                       roles=("customer",), permissions=("agent:run",)), "run-1"
    )]
    assert [event.event_type for event in events] == ["start", "done"]