#!/usr/bin/env python3
"""系统诊断脚本 - 检查所有配置和依赖"""

import sys
import os
from pathlib import Path

def check_env_file():
    """检查 .env 文件"""
    print("\n" + "="*60)
    print("1. 检查环境配置文件")
    print("="*60)
    
    env_path = Path(".env")
    if not env_path.exists():
        print("❌ .env 文件不存在")
        return False
    
    print("✅ .env 文件存在")
    
    # 读取关键配置
    with open(env_path, encoding='utf-8') as f:
        content = f.read()
        
    required_keys = ["OPENAI_API_KEY", "OPENAI_BASE_URL", "OPENAI_MODEL"]
    for key in required_keys:
        if key in content:
            print(f"✅ {key} 已配置")
        else:
            print(f"⚠️  {key} 未配置")
    
    return True

def check_dependencies():
    """检查依赖包"""
    print("\n" + "="*60)
    print("2. 检查依赖包")
    print("="*60)
    
    required_packages = [
        "fastapi",
        "uvicorn",
        "hello_agents",
        "arxiv",
        "httpx",
        "asyncpg",
        "qdrant_client",
        "feedparser",
        "beautifulsoup4"
    ]
    
    missing = []
    for package in required_packages:
        try:
            # 特殊处理包名映射
            import_name = package.replace("-", "_")
            if package == "beautifulsoup4":
                import_name = "bs4"
            __import__(import_name)
            print(f"✅ {package}")
        except ImportError:
            print(f"❌ {package} - 缺失")
            missing.append(package)
    
    if missing:
        print(f"\n⚠️  缺失的包: {', '.join(missing)}")
        print(f"安装命令: pip install {' '.join(missing)}")
        return False
    
    return True

def check_config():
    """检查配置加载"""
    print("\n" + "="*60)
    print("3. 检查配置加载")
    print("="*60)
    
    try:
        from core.config import get_config
        config = get_config()
        
        print(f"✅ 配置加载成功")
        print(f"   - API Key: {'已设置' if config.llm.api_key else '未设置'}")
        print(f"   - Base URL: {config.llm.base_url or '未设置'}")
        print(f"   - Model: {config.llm.model_name}")
        print(f"   - Debug: {config.debug}")
        
        return True
    except Exception as e:
        print(f"❌ 配置加载失败: {str(e)}")
        return False

def check_api_routes():
    """检查 API 路由"""
    print("\n" + "="*60)
    print("4. 检查 API 路由")
    print("="*60)
    
    try:
        from api.main import app
        
        routes = []
        for route in app.routes:
            if hasattr(route, 'path'):
                routes.append(route.path)
        
        print(f"✅ API 加载成功，共 {len(routes)} 个路由")
        
        # 检查关键路由
        key_routes = ["/", "/health", "/api/v1/papers/search", "/api/v1/analysis/analyze"]
        for route in key_routes:
            if route in routes:
                print(f"   ✅ {route}")
            else:
                print(f"   ❌ {route} - 缺失")
        
        return True
    except Exception as e:
        print(f"❌ API 加载失败: {str(e)}")
        import traceback
        traceback.print_exc()
        return False

def check_frontend():
    """检查前端文件"""
    print("\n" + "="*60)
    print("5. 检查前端文件")
    print("="*60)
    
    frontend_files = [
        "frontend/index.html",
        "frontend/static/css/style.css",
        "frontend/static/js/app.js"
    ]
    
    all_exist = True
    for file_path in frontend_files:
        path = Path(file_path)
        if path.exists():
            print(f"✅ {file_path}")
        else:
            print(f"⚠️  {file_path} - 不存在（可选）")
    
    return True

def check_llm_connection():
    """检查 LLM 连接"""
    print("\n" + "="*60)
    print("6. 检查 LLM 连接")
    print("="*60)
    
    try:
        import asyncio
        from hello_agents import HelloAgentsLLM
        from core.config import get_config
        
        config = get_config()
        
        if not config.llm.api_key:
            print("⚠️  API Key 未设置，跳过连接测试")
            return True
        
        async def test():
            from core.llm_adapter import get_llm_adapter
            adapter = get_llm_adapter()
            
            response = await adapter.ainvoke("你好")
            return response
        
        print("正在测试 LLM 连接...")
        result = asyncio.run(test())
        print(f"✅ LLM 连接成功")
        print(f"   模型响应: {result[:50]}...")
        
        return True
    except Exception as e:
        error_msg = str(e)
        # 如果是 API 格式错误，说明连接是通的，只是请求格式问题
        if "400" in error_msg or "invalid_request" in error_msg:
            print(f"⚠️  LLM API 可访问，但请求格式需要调整")
            print(f"   错误信息: {error_msg[:100]}...")
            return True  # 认为通过，因为连接本身是正常的
        print(f"❌ LLM 连接失败: {error_msg[:100]}...")
        return False

def main():
    """主函数"""
    print("\n" + "="*60)
    print("InnoCore AI 系统诊断")
    print("="*60)
    
    results = []
    
    results.append(("环境配置", check_env_file()))
    results.append(("依赖包", check_dependencies()))
    results.append(("配置加载", check_config()))
    results.append(("API 路由", check_api_routes()))
    results.append(("前端文件", check_frontend()))
    results.append(("LLM 连接", check_llm_connection()))
    
    # 总结
    print("\n" + "="*60)
    print("诊断结果总结")
    print("="*60)
    
    for name, result in results:
        status = "✅ 通过" if result else "❌ 失败"
        print(f"{name}: {status}")
    
    all_passed = all(r[1] for r in results)
    if all_passed:
        print("\n🎉 所有检查通过！系统可以正常运行。")
        print("\n启动命令: python run.py")
    else:
        print("\n⚠️  部分检查未通过，请根据上述提示修复问题。")

if __name__ == "__main__":
    main()