import pytest
from unittest.mock import MagicMock, patch, AsyncMock
from datetime import datetime


@pytest.fixture
def mock_db():
    return MagicMock()


class TestSnapshotsEndpoint:
    def test_snapshots_endpoint_exists(self, mock_db):
        with patch("app.main.SessionLocal", return_value=mock_db):
            from fastapi.testclient import TestClient
            from app.main import app

            mock_db.query.return_value.order_by.return_value.limit.return_value.all.return_value = []

            with TestClient(app) as client:
                response = client.get("/snapshots?limit=1")
                assert response.status_code == 200


class TestListeningLogEndpoint:
    def test_listening_log_endpoint_exists(self, mock_db):
        with patch("app.main.SessionLocal", return_value=mock_db):
            from fastapi.testclient import TestClient
            from app.main import app

            mock_db.query.return_value.options.return_value.filter.return_value.order_by.return_value.limit.return_value.all.return_value = []

            with TestClient(app) as client:
                response = client.get("/listening-log?days=7&limit=100")
                assert response.status_code == 200


class TestSessionsEndpoint:
    def test_sessions_endpoint_exists(self, mock_db):
        with patch("app.main.SessionLocal", return_value=mock_db):
            from fastapi.testclient import TestClient
            from app.main import app

            mock_db.query.return_value.options.return_value.filter.return_value.order_by.return_value.all.return_value = []

            with TestClient(app) as client:
                response = client.get("/sessions?days=7")
                assert response.status_code == 200
                data = response.json()
                assert "session_list" in data