from __future__ import annotations

import json
from unittest.mock import AsyncMock, patch

from django.test import TestCase
from django.urls import reverse

from core.models import User


class ComposeSendCapabilityTests(TestCase):
    def setUp(self):
        self.user = User.objects.create_user("compose-send", "send@example.com", "pw")
        self.client.force_login(self.user)

    @patch("core.views.compose.transport.enqueue_runtime_command")
    @patch("core.views.compose.transport.send_message_raw", new_callable=AsyncMock)
    def test_unsupported_send_fails_fast_without_dispatch(
        self,
        mocked_send_message_raw,
        mocked_enqueue_runtime_command,
    ):
        response = self.client.post(
            reverse("compose_send"),
            {
                "service": "xmpp",
                "identifier": "person@example.com",
                "text": "hello",
                "failsafe_arm": "1",
                "failsafe_confirm": "1",
            },
        )

        self.assertEqual(200, response.status_code)
        payload = json.loads(response.headers["HX-Trigger"])["composeSendResult"]
        self.assertFalse(payload["ok"])
        self.assertEqual("warning", payload["level"])
        self.assertIn("Send not supported:", payload["message"])
        mocked_send_message_raw.assert_not_awaited()
        mocked_enqueue_runtime_command.assert_not_called()

    def test_compose_page_displays_send_disabled_reason_for_unsupported_service(self):
        response = self.client.get(
            reverse("compose_page"),
            {
                "service": "xmpp",
                "identifier": "person@example.com",
            },
        )

        self.assertEqual(200, response.status_code)
        content = response.content.decode("utf-8")
        self.assertIn("Send disabled:", content)
        self.assertIn("compose-send-btn", content)

    def test_compose_page_uses_humanized_browser_title(self):
        response = self.client.get(
            reverse("compose_page"),
            {
                "service": "signal",
                "identifier": "+15551230000",
            },
        )

        self.assertEqual(200, response.status_code)
        self.assertContains(response, "<title>Compose Page · GIA</title>", html=False)