from __future__ import annotations

import unittest


try:
    import fastapi  # noqa: F401
    import gradio  # noqa: F401
    from fastapi.testclient import TestClient

    UI_DEPENDENCIES_AVAILABLE = True
except ImportError:
    UI_DEPENDENCIES_AVAILABLE = False


@unittest.skipUnless(UI_DEPENDENCIES_AVAILABLE, "FastAPI and Gradio are not installed")
class UIRoutingTests(unittest.TestCase):
    @classmethod
    def setUpClass(cls) -> None:
        from app import app

        cls.client = TestClient(app)

    def test_root_redirects_to_canonical_dashboard_url(self) -> None:
        response = self.client.get("/", follow_redirects=False)
        self.assertEqual(response.status_code, 302)
        self.assertEqual(response.headers["location"], "/dashboard/")

    def test_dashboard_html_uses_dashboard_root(self) -> None:
        response = self.client.get("/dashboard/")
        self.assertEqual(response.status_code, 200)
        self.assertIn("/dashboard", response.text)

    def test_mcp_discovery_reports_both_transports(self) -> None:
        response = self.client.get("/mcp-health")
        self.assertEqual(response.status_code, 200)
        payload = response.json()
        self.assertEqual(payload["custom_mcp_url"], "/mcp/")
        self.assertEqual(payload["gradio_mcp_url"], "/dashboard/gradio_api/mcp/")
        self.assertGreater(payload["custom_tool_count"], 0)


if __name__ == "__main__":
    unittest.main()