#!/usr/bin/env python3
"""
快速启动脚本 - 自动检测可用端口并启动服务器
"""
import sys
import os
import socket

# 添加src目录到Python路径
sys.path.insert(0, os.path.join(os.path.dirname(__file__), 'src'))

# 加载环境变量
from dotenv import load_dotenv
load_dotenv()

from fastapi import FastAPI
from fastapi.middleware.cors import CORSMiddleware

def check_port(port):
    """检查端口是否可用"""
    with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
        try:
            s.bind(('localhost', port))
            return True
        except OSError:
            return False

def find_available_port(start_port=8000, max_port=8010):
    """查找可用端口"""
    for port in range(start_port, max_port + 1):
        if check_port(port):
            return port
    return None

# 创建FastAPI应用
app = FastAPI(
    title="SSO认证中心",
    version="1.0.0",
    description="OAuth2单点登录认证中心",
    docs_url="/docs",
    redoc_url="/redoc"
)

# 配置CORS
app.add_middleware(
    CORSMiddleware,
    allow_origins=["*"],
    allow_credentials=True,
    allow_methods=["*"],
    allow_headers=["*"],
)

@app.get("/")
async def root():
    """根路径"""
    return {
        "message": "SSO认证中心",
        "version": "1.0.0",
        "status": "running",
        "docs": "/docs",
        "health": "/health"
    }

@app.get("/health")
async def health_check():
    """健康检查"""
    return {
        "status": "healthy",
        "message": "服务正常运行"
    }

@app.get("/test")
async def test_endpoint():
    """测试端点"""
    return {
        "message": "测试成功",
        "data": {
            "server": "FastAPI",
            "python_version": sys.version,
            "working_directory": os.getcwd()
        }
    }

if __name__ == "__main__":
    import uvicorn
    
    # 查找可用端口
    port = find_available_port()
    
    if port is None:
        print("❌ 无法找到可用端口 (8000-8010)")
        print("请手动停止占用这些端口的进程")
        sys.exit(1)
    
    print("=" * 50)
    print("🚀 SSO认证中心测试服务器")
    print("=" * 50)
    print(f"✅ 找到可用端口: {port}")
    print(f"🌐 访问地址: http://localhost:{port}")
    print(f"📚 API文档: http://localhost:{port}/docs")
    print(f"❤️  健康检查: http://localhost:{port}/health")
    print("=" * 50)
    print("按 Ctrl+C 停止服务器")
    print()
    
    try:
        uvicorn.run(
            app,
            host="0.0.0.0",
            port=port,
            log_level="info"
        )
    except KeyboardInterrupt:
        print("\n👋 服务器已停止")
    except Exception as e:
        print(f"❌ 启动失败: {e}")
        sys.exit(1)