"""
Тест для проверки работы getSession с cookies

Проверяет:
1. getSession работает без токена в заголовке, но с валидным cookie
2. getSession возвращает данные пользователя при валидном cookie
3. getSession возвращает ошибку при невалидном cookie
4. getSession работает с токеном в заголовке
"""

import pytest
from unittest.mock import patch, MagicMock
from graphql import GraphQLResolveInfo

from resolvers.auth import get_session
from auth.tokens.storage import TokenStorage as TokenManager
from orm.author import Author


class MockRequest:
    """Мок для Request объекта"""
    
    def __init__(self, headers=None, cookies=None):
        self.headers = headers or {}
        self.cookies = cookies or {}


class MockContext:
    """Мок для GraphQL контекста"""
    
    def __init__(self, request=None):
        self.request = request
    
    def get(self, key, default=None):
        """Мокаем метод get для совместимости с DRY функциями"""
        if key == "request":
            return self.request
        return default


class MockGraphQLResolveInfo:
    """Мок для GraphQLResolveInfo"""
    
    def __init__(self, context):
        self.context = context


@pytest.fixture
def mock_author():
    """Мок для объекта Author"""
    author = MagicMock(spec=Author)
    author.id = 123
    author.email = "test@example.com"
    author.name = "Test User"
    author.slug = "test-user"
    # author.username = "testuser"  # username не существует в модели Author
    
    # Мокаем метод dict()
    author.dict.return_value = {
        "id": 123,
        "email": "test@example.com",
        "name": "Test User",
        "slug": "test-user"
    }
    
    return author


@pytest.fixture
def mock_payload():
    """Мок для payload токена"""
    payload = MagicMock()
    payload.user_id = "123"
    return payload


@pytest.mark.asyncio
async def test_getSession_with_valid_cookie(mock_author, mock_payload):
    """Тест getSession с валидным cookie"""
    
    # Мокаем request с cookie
    request = MockRequest(
        headers={},
        cookies={"session_token": "valid_token_123"}
    )
    
    context = MockContext(request)
    info = MockGraphQLResolveInfo(context)
    
    # Мокаем DRY функции из auth/utils.py
    with patch('resolvers.auth.get_auth_token_from_context') as mock_get_token, \
         patch('resolvers.auth.get_user_data_by_token') as mock_get_user_data:
        
        mock_get_token.return_value = "valid_token_123"
        mock_get_user_data.return_value = (True, mock_author.dict(), None)
        
        result = await get_session(None, info)
        
        # Проверяем результат
        assert result["success"] is True
        assert result["token"] == "valid_token_123"
        assert result["author"]["id"] == 123
        assert result["author"]["email"] == "test@example.com"
        assert result["error"] is None
        
        # Проверяем вызовы DRY функций
        mock_get_token.assert_called_once_with(info)
        mock_get_user_data.assert_called_once_with("valid_token_123")


@pytest.mark.asyncio
async def test_getSession_with_authorization_header(mock_author, mock_payload):
    """Тест getSession с заголовком Authorization"""
    
    # Мокаем request с заголовком Authorization
    request = MockRequest(
        headers={"authorization": "Bearer bearer_token_456"},
        cookies={}
    )
    
    context = MockContext(request)
    info = MockGraphQLResolveInfo(context)
    
    # Мокаем DRY функции из auth/utils.py
    with patch('resolvers.auth.get_auth_token_from_context') as mock_get_token, \
         patch('resolvers.auth.get_user_data_by_token') as mock_get_user_data:
        
        mock_get_token.return_value = "bearer_token_456"
        mock_get_user_data.return_value = (True, mock_author.dict(), None)
        
        result = await get_session(None, info)
        
        # Проверяем результат
        assert result["success"] is True
        assert result["token"] == "bearer_token_456"
        assert result["author"]["id"] == 123
        assert result["error"] is None
        
        # Проверяем вызовы DRY функций
        mock_get_token.assert_called_once_with(info)
        mock_get_user_data.assert_called_once_with("bearer_token_456")


@pytest.mark.asyncio
async def test_getSession_with_invalid_token(mock_author):
    """Тест getSession с невалидным токеном"""
    
    # Мокаем request с невалидным cookie
    request = MockRequest(
        headers={},
        cookies={"session_token": "invalid_token"}
    )
    
    context = MockContext(request)
    info = MockGraphQLResolveInfo(context)
    
    # Мокаем DRY функции из auth/utils.py
    with patch('resolvers.auth.get_auth_token_from_context') as mock_get_token, \
         patch('resolvers.auth.get_user_data_by_token') as mock_get_user_data:
        
        mock_get_token.return_value = "invalid_token"
        mock_get_user_data.return_value = (False, None, "Сессия не найдена")
        
        result = await get_session(None, info)
        
        # Проверяем результат
        assert result["success"] is False
        assert result["token"] is None
        assert result["author"] is None
        assert result["error"] == "Сессия не найдена"


@pytest.mark.asyncio
async def test_getSession_without_token():
    """Тест getSession без токена"""
    
    # Мокаем request без токена
    request = MockRequest(headers={}, cookies={})
    context = MockContext(request)
    info = MockGraphQLResolveInfo(context)
    
    # Мокаем DRY функции из auth/utils.py
    with patch('resolvers.auth.get_auth_token_from_context') as mock_get_token:
        mock_get_token.return_value = None
        
        result = await get_session(None, info)
        
        # Проверяем результат
        assert result["success"] is False
        assert result["token"] is None
        assert result["author"] is None
        assert result["error"] == "Сессия не найдена"


@pytest.mark.asyncio
async def test_getSession_without_request():
    """Тест getSession без request в контексте"""
    
    # Мокаем контекст без request
    context = MockContext(request=None)
    info = MockGraphQLResolveInfo(context)
    
    # Мокаем DRY функции из auth/utils.py
    with patch('resolvers.auth.get_auth_token_from_context') as mock_get_token:
        mock_get_token.return_value = None
        
        result = await get_session(None, info)
        
        # Проверяем результат
        assert result["success"] is False
        assert result["token"] is None
        assert result["author"] is None
        assert result["error"] == "Сессия не найдена"


@pytest.mark.asyncio
async def test_getSession_user_not_found(mock_payload):
    """Тест getSession когда пользователь не найден в БД"""
    
    # Мокаем request с валидным cookie
    request = MockRequest(
        headers={},
        cookies={"session_token": "valid_token_123"}
    )
    
    context = MockContext(request)
    info = MockGraphQLResolveInfo(context)
    
    # Мокаем DRY функции из auth/utils.py
    with patch('resolvers.auth.get_auth_token_from_context') as mock_get_token, \
         patch('resolvers.auth.get_user_data_by_token') as mock_get_user_data:
        
        mock_get_token.return_value = "valid_token_123"
        mock_get_user_data.return_value = (False, None, f"Пользователь с ID 123 не найден в БД")
        
        result = await get_session(None, info)
        
        # Проверяем результат
        assert result["success"] is False
        assert result["token"] is None
        assert result["author"] is None
        assert result["error"] == "Пользователь с ID 123 не найден в БД"


@pytest.mark.asyncio
async def test_getSession_payload_without_user_id():
    """Тест getSession когда payload не содержит user_id"""
    
    # Мокаем request с валидным cookie
    request = MockRequest(
        headers={},
        cookies={"session_token": "valid_token_123"}
    )
    
    context = MockContext(request)
    info = MockGraphQLResolveInfo(context)
    
    # Мокаем DRY функции из auth/utils.py
    with patch('resolvers.auth.get_auth_token_from_context') as mock_get_token, \
         patch('resolvers.auth.get_user_data_by_token') as mock_get_user_data:
        
        mock_get_token.return_value = "valid_token_123"
        mock_get_user_data.return_value = (False, None, "Токен не содержит user_id")
        
        result = await get_session(None, info)
        
        # Проверяем результат
        assert result["success"] is False
        assert result["token"] is None
        assert result["author"] is None
        assert result["error"] == "Токен не содержит user_id"


if __name__ == "__main__":
    pytest.main([__file__, "-v"])