"""Тесты для MockPlatformClient — проверяем что заглушка работает корректно."""

import pytest
from src.mock_platform import MockPlatformClient, SessionNotFoundError


@pytest.fixture
def client():
    return MockPlatformClient()


@pytest.mark.asyncio
async def test_create_session_returns_ids(client):
    result = await client.create_session(user_id="tg-123", platform="telegram")

    assert "session_id" in result
    assert "agent_id" in result
    assert "expires_at" in result


@pytest.mark.asyncio
async def test_send_message_returns_response(client):
    session = await client.create_session(user_id="tg-123", platform="telegram")
    result = await client.send_message(session["session_id"], "Привет!")

    assert "response" in result
    assert len(result["response"]) > 0
    assert result["finished"] is True


@pytest.mark.asyncio
async def test_get_session_not_found_raises(client):
    with pytest.raises(SessionNotFoundError):
        await client.get_session("non-existent-id")


@pytest.mark.asyncio
async def test_close_session(client):
    session = await client.create_session(user_id="tg-123", platform="telegram")
    result = await client.close_session(session["session_id"])

    assert result is True

    # Повторное закрытие — уже закрыта
    result2 = await client.close_session(session["session_id"])
    assert result2 is False


@pytest.mark.asyncio
async def test_get_or_create_user(client):
    user = await client.get_or_create_user(
        external_id="12345",
        platform="telegram",
        display_name="Test User",
    )

    assert user["user_id"].startswith("user-telegram-")
    assert user["external_id"] == "12345"
    assert user["platform"] == "telegram"


@pytest.mark.asyncio
async def test_message_history(client):
    session = await client.create_session(user_id="tg-123", platform="telegram")
    sid = session["session_id"]

    await client.send_message(sid, "Первое сообщение")
    await client.send_message(sid, "Второе сообщение")

    history = await client.get_message_history(sid, limit=10)
    assert len(history) == 2