from asgiref.sync import async_to_sync
from django.test import SimpleTestCase

from core.clients import transport
from core.transports.capabilities import (
    capability_snapshot,
    supports,
    unsupported_reason,
)


class TransportCapabilitiesTests(SimpleTestCase):
    def test_signal_reactions_supported(self):
        self.assertTrue(supports("signal", "reactions"))

    def test_instagram_reactions_not_supported(self):
        self.assertFalse(supports("instagram", "reactions"))
        self.assertIn(
            "instagram does not support reactions",
            unsupported_reason("instagram", "reactions"),
        )

    def test_snapshot_has_schema_version(self):
        snapshot = capability_snapshot()
        self.assertIn("schema_version", snapshot)
        self.assertIn("services", snapshot)

    def test_transport_send_fails_fast_when_unsupported(self):
        result = async_to_sync(transport.send_message_raw)(
            "xmpp",
            "person@example.com",
            text="hello",
        )
        self.assertFalse(result)