"""Tests for Telegram model picker thread fallback."""

import sys
from types import SimpleNamespace
from unittest.mock import AsyncMock, MagicMock

import pytest


def _ensure_telegram_mock():
    if "telegram" in sys.modules and hasattr(sys.modules["telegram"], "__file__"):
        return

    mod = MagicMock()
    mod.ext.ContextTypes.DEFAULT_TYPE = type(None)
    mod.constants.ParseMode.MARKDOWN = "Markdown"
    mod.constants.ParseMode.MARKDOWN_V2 = "MarkdownV2"
    mod.constants.ParseMode.HTML = "HTML"
    mod.constants.ChatType.PRIVATE = "private"
    mod.constants.ChatType.GROUP = "group"
    mod.constants.ChatType.SUPERGROUP = "supergroup"
    mod.constants.ChatType.CHANNEL = "channel"
    mod.error.NetworkError = type("NetworkError", (OSError,), {})
    mod.error.TimedOut = type("TimedOut", (OSError,), {})
    mod.error.BadRequest = type("BadRequest", (Exception,), {})

    for name in ("telegram", "telegram.ext", "telegram.constants", "telegram.request"):
        sys.modules.setdefault(name, mod)
    sys.modules.setdefault("telegram.error", mod.error)


_ensure_telegram_mock()

from gateway.config import PlatformConfig
from gateway.platforms.telegram import TelegramAdapter


def _make_adapter():
    adapter = TelegramAdapter(PlatformConfig(enabled=True, token="test-token"))
    adapter._bot = AsyncMock()
    adapter._app = MagicMock()
    return adapter


class TestTelegramModelPicker:
    @pytest.mark.asyncio
    async def test_retries_without_thread_when_thread_not_found(self):
        adapter = _make_adapter()
        providers = [{"slug": "openai", "name": "OpenAI", "total_models": 2, "is_current": True}]
        call_log = []

        class FakeBadRequest(Exception):
            pass

        async def mock_send_message(**kwargs):
            call_log.append(dict(kwargs))
            if kwargs.get("message_thread_id") is not None:
                raise FakeBadRequest("Message thread not found")
            return SimpleNamespace(message_id=99)

        adapter._bot.send_message = AsyncMock(side_effect=mock_send_message)

        result = await adapter.send_model_picker(
            chat_id="12345",
            providers=providers,
            current_model="gpt-5",
            current_provider="openai",
            session_key="s",
            on_model_selected=AsyncMock(),
            metadata={"thread_id": "99999"},
        )

        assert result.success is True
        assert len(call_log) == 2
        assert call_log[0]["message_thread_id"] == 99999
        assert "message_thread_id" not in call_log[1] or call_log[1]["message_thread_id"] is None