import pytest
from unittest.mock import AsyncMock, Mock
from types import SimpleNamespace
from httpx import ASGITransport, AsyncClient
from naliiabotapi.api.dependencies import get_agent


class TestWebhookChatBot:
    """Tests for WebhookChatBot."""

    @pytest.mark.anyio
    async def tests_webhook_success(
        self, send_message_payload, test_app, monkeypatch
    ):
        """Test that the webhook endpoint returns a successful response.

        Usa test_app con in-memory dependencies y mockea send_whatsapp_message
        para evitar llamadas HTTP reales durante el test.
        """
        # Mock del agente
        mock_agent = SimpleNamespace()
        mock_agent.ainvoke = AsyncMock(
            return_value={"messages": [SimpleNamespace(content="Respuesta mock")]}
        )

        # Mock de send_whatsapp_message para evitar llamadas HTTP reales
        mock_send_whatsapp = AsyncMock(return_value={"status": "sent"})
        monkeypatch.setattr(
            "naliiabotapi.api.v1.webhooks.chat_hook.send_whatsapp_message",
            mock_send_whatsapp,
        )

        # Override de dependencia del agente
        test_app.dependency_overrides[get_agent] = lambda: mock_agent

        async with AsyncClient(
            transport=ASGITransport(app=test_app),
            base_url="http://localhost:8010",
        ) as client:
            response = await client.post("/webhook", json=send_message_payload)

        # Cleanup
        test_app.dependency_overrides.clear()

        # Verificaciones
        assert response.status_code == 200
        response_data = response.json()
        assert response_data.get("reply") == "Respuesta mock"
        assert response_data.get("status") == "sent"

        # Verificar que se llamó al mock del agente
        mock_agent.ainvoke.assert_called_once()

        # Verificar que se llamó a send_whatsapp_message con los parámetros correctos
        mock_send_whatsapp.assert_called_once()
        whatsapp_call = mock_send_whatsapp.call_args[0][0]
        assert whatsapp_call["instance_url"] == "http://localhost:8080"
        assert whatsapp_call["instance_name"] == "ALEJANDRO AYALA"
        assert whatsapp_call["text"] == "Respuesta mock"