"""Tests for tools/send_message_tool.py."""

import asyncio
import json
from types import SimpleNamespace
from unittest.mock import AsyncMock, patch

from gateway.config import Platform
from tools.send_message_tool import send_message_tool


def _run_async_immediately(coro):
    return asyncio.run(coro)


def _make_config():
    telegram_cfg = SimpleNamespace(enabled=True, token="fake-token", extra={})
    return SimpleNamespace(
        platforms={Platform.TELEGRAM: telegram_cfg},
        get_home_channel=lambda _platform: None,
    ), telegram_cfg


class TestSendMessageTool:
    def test_sends_to_explicit_telegram_topic_target(self):
        config, telegram_cfg = _make_config()

        with patch("gateway.config.load_gateway_config", return_value=config), \
             patch("tools.interrupt.is_interrupted", return_value=False), \
             patch("model_tools._run_async", side_effect=_run_async_immediately), \
             patch("tools.send_message_tool._send_to_platform", new=AsyncMock(return_value={"success": True})) as send_mock, \
             patch("gateway.mirror.mirror_to_session", return_value=True) as mirror_mock:
            result = json.loads(
                send_message_tool(
                    {
                        "action": "send",
                        "target": "telegram:-1001:17585",
                        "message": "hello",
                    }
                )
            )

        assert result["success"] is True
        send_mock.assert_awaited_once_with(Platform.TELEGRAM, telegram_cfg, "-1001", "hello", thread_id="17585")
        mirror_mock.assert_called_once_with("telegram", "-1001", "hello", source_label="cli", thread_id="17585")

    def test_resolved_telegram_topic_name_preserves_thread_id(self):
        config, telegram_cfg = _make_config()

        with patch("gateway.config.load_gateway_config", return_value=config), \
             patch("tools.interrupt.is_interrupted", return_value=False), \
             patch("gateway.channel_directory.resolve_channel_name", return_value="-1001:17585"), \
             patch("model_tools._run_async", side_effect=_run_async_immediately), \
             patch("tools.send_message_tool._send_to_platform", new=AsyncMock(return_value={"success": True})) as send_mock, \
             patch("gateway.mirror.mirror_to_session", return_value=True):
            result = json.loads(
                send_message_tool(
                    {
                        "action": "send",
                        "target": "telegram:Coaching Chat / topic 17585",
                        "message": "hello",
                    }
                )
            )

        assert result["success"] is True
        send_mock.assert_awaited_once_with(Platform.TELEGRAM, telegram_cfg, "-1001", "hello", thread_id="17585")