"""Tests for the Platform backend (mem0 Platform API client)."""

from __future__ import annotations

from unittest.mock import patch

from mem0_cli.backend.platform import PlatformBackend
from mem0_cli.config import PlatformConfig


def _make_backend() -> PlatformBackend:
    # api_key/base_url are only used to build the httpx client; every test here
    # patches _request, so no real network calls are made.
    return PlatformBackend(PlatformConfig(api_key="test-key", base_url="https://api.mem0.ai"))


class TestDeleteEntities:
    def test_multiple_entities_returns_all_results(self):
        backend = _make_backend()
        responses = {
            "/v2/entities/user/alice/": {"message": "user deleted"},
            "/v2/entities/agent/bob/": {"message": "agent deleted"},
        }
        with patch.object(backend, "_request") as mock_request:
            mock_request.side_effect = lambda method, path, **kw: responses[path]
            result = backend.delete_entities(user_id="alice", agent_id="bob")

        # Regression: previously only the last entity's response survived.
        assert result == {
            "user": {"message": "user deleted"},
            "agent": {"message": "agent deleted"},
        }
        assert mock_request.call_count == 2

    def test_single_entity_keyed_by_type(self):
        backend = _make_backend()
        with patch.object(backend, "_request", return_value={"message": "user deleted"}):
            result = backend.delete_entities(user_id="alice")
        assert result == {"user": {"message": "user deleted"}}

    def test_no_entities_raises(self):
        backend = _make_backend()
        import pytest

        with pytest.raises(ValueError):
            backend.delete_entities()