"""
测试Web应用模块
"""

import pytest
from unittest.mock import patch, MagicMock


def test_web_module_imports():
    """测试web模块可以导入"""
    try:
        # Streamlit可能在测试环境中不可用
        import sys
        if 'streamlit' not in sys.modules:
            pytest.skip("Streamlit not available in test environment")

        from pyramex.web import app
        assert app is not None
    except ImportError:
        pytest.skip("Streamlit not installed")


def test_api_url_configuration():
    """测试API配置"""
    # 模拟API URL配置
    api_url = "http://pyramex-app:8000"
    assert api_url.startswith("http://")
    assert "pyramex" in api_url


def test_web_api_health_check():
    """测试Web应用的API健康检查"""
    with patch('requests.get') as mock_get:
        # 模拟成功的健康检查
        mock_response = MagicMock()
        mock_response.status_code = 200
        mock_get.return_value = mock_response

        import requests
        response = requests.get("http://pyramex-app:8000/health", timeout=5)

        assert response.status_code == 200
        mock_get.assert_called_once()


def test_web_api_health_check_timeout():
    """测试API健康检查超时"""
    import requests
    with patch('requests.get') as mock_get:
        # 模拟超时
        mock_get.side_effect = requests.exceptions.Timeout()

        try:
            response = requests.get("http://pyramex-app:8000/health", timeout=5)
            assert False  # 不应该到这里
        except requests.exceptions.Timeout:
            pass  # 预期的异常


def test_web_api_health_check_connection_error():
    """测试API健康检查连接错误"""
    import requests
    with patch('requests.get') as mock_get:
        # 模拟连接错误
        mock_get.side_effect = requests.exceptions.ConnectionError()

        try:
            response = requests.get("http://pyramex-app:8000/health", timeout=5)
            assert False
        except requests.exceptions.ConnectionError:
            pass  # 预期的异常


def test_supported_file_formats():
    """测试支持的文件格式"""
    supported_formats = ["csv", "txt", "xlsx"]
    assert len(supported_formats) == 3
    assert "csv" in supported_formats
    assert "txt" in supported_formats
    assert "xlsx" in supported_formats


def test_analysis_types():
    """测试分析类型选项"""
    analysis_types = ["预处理", "质控分析", "ML分析", "AI报告生成"]
    assert len(analysis_types) == 4
    assert "预处理" in analysis_types
    assert "ML分析" in analysis_types


def test_llm_model_options():
    """测试LLM模型选项"""
    llm_models = ["qwen:7b", "deepseek-coder", "llama3:8b"]
    assert len(llm_models) == 3
    assert "qwen:7b" in llm_models
    assert "deepseek-coder" in llm_models
    assert "llama3:8b" in llm_models


def test_web_page_configuration():
    """测试页面配置参数"""
    page_config = {
        "page_title": "PyRamEx - 拉曼光谱分析系统",
        "page_icon": "🔬",
        "layout": "wide",
        "initial_sidebar_state": "expanded"
    }

    assert "PyRamEx" in page_config["page_title"]
    assert page_config["page_icon"] == "🔬"
    assert page_config["layout"] == "wide"


def test_example_data_generation():
    """测试示例数据生成逻辑"""
    import numpy as np

    # 生成示例数据
    wavenumber = np.linspace(400, 4000, 1000)
    intensity = np.random.randn(1000) * 0.1 + np.sin(wavenumber / 100)

    assert len(wavenumber) == 1000
    assert len(intensity) == 1000
    assert wavenumber[0] == 400
    assert wavenumber[-1] == 4000


def test_data_upload_validation():
    """测试数据上传验证"""
    # 有效的文件扩展名
    valid_extensions = [".csv", ".txt", ".xlsx"]
    filename = "test_data.csv"

    is_valid = any(filename.endswith(ext) for ext in valid_extensions)
    assert is_valid is True

    # 无效的文件扩展名
    invalid_filename = "test_data.pdf"
    is_invalid = any(invalid_filename.endswith(ext) for ext in valid_extensions)
    assert is_invalid is False


def test_web_api_endpoint_construction():
    """测试API端点构造"""
    base_url = "http://pyramex-app:8000"
    endpoints = {
        "health": f"{base_url}/health",
        "preprocess": f"{base_url}/api/v1/preprocess",
        "qc": f"{base_url}/api/v1/qc",
        "analyze": f"{base_url}/api/v1/analyze",
        "report": f"{base_url}/api/v1/report"
    }

    assert endpoints["health"] == "http://pyramex-app:8000/health"
    assert "/api/v1/" in endpoints["preprocess"]
    assert "/api/v1/" in endpoints["qc"]


def test_gpu_toggle_option():
    """测试GPU切换选项"""
    enable_gpu = True  # 默认值
    assert isinstance(enable_gpu, bool)
    assert enable_gpu is True

    # 切换
    enable_gpu = False
    assert enable_gpu is False


def test_session_state_management():
    """测试会话状态管理"""
    # 模拟session_state
    session_state = {}

    # 初始化
    if "analysis_results" not in session_state:
        session_state["analysis_results"] = None

    assert "analysis_results" in session_state
    assert session_state["analysis_results"] is None

    # 设置值
    session_state["analysis_results"] = {"status": "success"}
    assert session_state["analysis_results"]["status"] == "success"


def test_spectral_data_structure():
    """测试光谱数据结构"""
    spectrum = {
        "wavenumber": [400.0, 500.0, 600.0],
        "intensity": [100.0, 200.0, 150.0],
        "metadata": {"sample_id": "test1"}
    }

    assert "wavenumber" in spectrum
    assert "intensity" in spectrum
    assert "metadata" in spectrum
    assert len(spectrum["wavenumber"]) == len(spectrum["intensity"])


def test_web_ui_components():
    """测试UI组件配置"""
    components = {
        "file_uploader": {
            "type": "file_uploader",
            "accept_multiple_files": True,
            "help": "支持CSV、TXT、Excel格式"
        },
        "selectbox": {
            "type": "selectbox",
            "options": ["预处理", "质控分析", "ML分析", "AI报告生成"]
        },
        "checkbox": {
            "type": "checkbox",
            "value": True
        },
        "button": {
            "type": "button",
            "use_container_width": True
        }
    }

    assert components["file_uploader"]["accept_multiple_files"] is True
    assert len(components["selectbox"]["options"]) == 4
    assert components["checkbox"]["value"] is True


def test_error_handling():
    """测试错误处理逻辑"""
    error_scenarios = [
        "no_files_uploaded",
        "api_connection_failed",
        "invalid_file_format",
        "analysis_failed"
    ]

    for scenario in error_scenarios:
        error_message = {
            "no_files_uploaded": "⚠️ 请先上传数据文件",
            "api_connection_failed": "❌ 无法连接API服务",
            "invalid_file_format": "❌ 不支持的文件格式",
            "analysis_failed": "❌ 分析失败"
        }.get(scenario, "未知错误")

        assert error_message is not None
        assert len(error_message) > 0


def test_results_display_format():
    """测试结果展示格式"""
    result_formats = ["table", "plot", "statistics", "download"]

    for fmt in result_formats:
        assert isinstance(fmt, str)
        assert len(fmt) > 0


def test_cors_configuration():
    """测试CORS配置"""
    cors_config = {
        "allow_origins": ["*"],
        "allow_credentials": True,
        "allow_methods": ["*"],
        "allow_headers": ["*"]
    }

    assert cors_config["allow_origins"] == ["*"]
    assert cors_config["allow_credentials"] is True
    assert cors_config["allow_methods"] == ["*"]
