"""ClientFactory的单元测试"""

import pytest
import logging
from unittest.mock import MagicMock, patch

from src.core.client_factory import LLMClientFactory
from src.models import LLMClientMode
from src.core.batch_client import BatchClient
from src.core.direct_client import DirectClient


@pytest.fixture
def mock_logger():
    """创建mock logger"""
    return MagicMock(spec=logging.Logger)


@pytest.fixture
def mock_file_handler():
    """创建mock file handler"""
    return MagicMock()


@pytest.fixture
def mock_result_parser():
    """创建mock result parser"""
    return MagicMock()


class TestLLMClientFactory:
    """测试LLMClientFactory类"""

    @patch("src.core.batch_client.OpenAI")
    def test_create_batch_client(
        self, mock_openai, mock_logger, mock_file_handler, mock_result_parser
    ):
        """测试创建Batch模式客户端"""
        # 创建客户端
        client = LLMClientFactory.create_client(
            mode=LLMClientMode.BATCH,
            api_key="test-key",
            base_url="https://test.com",
            model="qwen-flash",
            logger=mock_logger,
            file_handler=mock_file_handler,
            result_parser=mock_result_parser,
            completion_window="24h",
            poll_interval=60,
            max_wait_time=3600,
        )

        # 验证返回的是BatchClient实例
        assert isinstance(client, BatchClient)

        # 验证日志被记录
        assert mock_logger.info.call_count >= 2

    @patch("src.core.direct_client.OpenAI")
    def test_create_direct_client(self, mock_openai, mock_logger):
        """测试创建Direct模式客户端"""
        # 创建客户端
        client = LLMClientFactory.create_client(
            mode=LLMClientMode.DIRECT,
            api_key="test-key",
            base_url="https://test.com",
            model="qwen-flash",
            logger=mock_logger,
            max_retries=3,
            retry_delay=1,
        )

        # 验证返回的是DirectClient实例
        assert isinstance(client, DirectClient)

        # 验证日志被记录
        assert mock_logger.info.call_count >= 2

    def test_create_client_invalid_mode(self, mock_logger):
        """测试创建客户端时传入无效模式"""

        # 尝试创建一个无效模式的客户端
        # 创建一个假的枚举值对象（有value属性）
        class FakeMode:
            value = "invalid"

        with pytest.raises(ValueError) as exc_info:
            LLMClientFactory.create_client(
                mode=FakeMode(),  # type: ignore
                api_key="test-key",
                base_url="https://test.com",
                model="qwen-flash",
                logger=mock_logger,
            )

        assert "不支持的LLM客户端模式" in str(exc_info.value)

    @patch("src.core.batch_client.OpenAI")
    def test_create_batch_client_with_defaults(self, mock_openai, mock_logger):
        """测试使用默认参数创建Batch客户端"""
        client = LLMClientFactory.create_client(
            mode=LLMClientMode.BATCH,
            api_key="test-key",
            base_url="https://test.com",
            model="qwen-flash",
            logger=mock_logger,
        )

        # 验证返回的是BatchClient实例
        assert isinstance(client, BatchClient)

    @patch("src.core.direct_client.OpenAI")
    def test_create_direct_client_with_defaults(self, mock_openai, mock_logger):
        """测试使用默认参数创建Direct客户端"""
        client = LLMClientFactory.create_client(
            mode=LLMClientMode.DIRECT,
            api_key="test-key",
            base_url="https://test.com",
            model="qwen-flash",
            logger=mock_logger,
        )

        # 验证返回的是DirectClient实例
        assert isinstance(client, DirectClient)

    @patch("src.core.direct_client.OpenAI")
    @patch("src.core.batch_client.OpenAI")
    def test_factory_returns_different_instances(
        self, mock_batch_openai, mock_direct_openai, mock_logger
    ):
        """测试工厂为不同模式返回不同实例"""
        # 创建Batch客户端
        batch_client = LLMClientFactory.create_client(
            mode=LLMClientMode.BATCH,
            api_key="test-key",
            base_url="https://test.com",
            model="qwen-flash",
            logger=mock_logger,
        )

        # 创建Direct客户端
        direct_client = LLMClientFactory.create_client(
            mode=LLMClientMode.DIRECT,
            api_key="test-key",
            base_url="https://test.com",
            model="qwen-flash",
            logger=mock_logger,
        )

        # 验证返回的是不同类型的实例
        assert isinstance(batch_client, BatchClient)
        assert isinstance(direct_client, DirectClient)
        assert not isinstance(batch_client, type(direct_client))

    @patch("src.core.batch_client.OpenAI")
    def test_create_batch_client_custom_params(
        self, mock_openai, mock_logger, mock_file_handler, mock_result_parser
    ):
        """测试使用自定义参数创建Batch客户端"""
        client = LLMClientFactory.create_client(
            mode=LLMClientMode.BATCH,
            api_key="custom-key",
            base_url="https://custom.com",
            model="qwen-max",
            logger=mock_logger,
            file_handler=mock_file_handler,
            result_parser=mock_result_parser,
            completion_window="48h",
            poll_interval=120,
            max_wait_time=7200,
        )

        # 验证返回的是BatchClient实例
        assert isinstance(client, BatchClient)

    @patch("src.core.direct_client.OpenAI")
    def test_create_direct_client_custom_params(self, mock_openai, mock_logger):
        """测试使用自定义参数创建Direct客户端"""
        client = LLMClientFactory.create_client(
            mode=LLMClientMode.DIRECT,
            api_key="custom-key",
            base_url="https://custom.com",
            model="qwen-max",
            logger=mock_logger,
            max_retries=5,
            retry_delay=2,
        )

        # 验证返回的是DirectClient实例
        assert isinstance(client, DirectClient)