#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
CAE Mesh Generator - Quick Start Script
快速启动脚本 - 自动检查环境并启动应用
"""
import sys
import os
import subprocess
from pathlib import Path

# 设置控制台编码为UTF-8
if sys.platform == "win32":
    import locale
    import codecs
    sys.stdout = codecs.getwriter("utf-8")(sys.stdout.detach())
    sys.stderr = codecs.getwriter("utf-8")(sys.stderr.detach())

def check_python_version():
    """检查Python版本"""
    version = sys.version_info
    if version.major < 3 or (version.major == 3 and version.minor < 8):
        print(f"❌ Python版本过低: {version.major}.{version.minor}")
        print("需要Python 3.8或更高版本")
        return False
    print(f"✅ Python版本: {version.major}.{version.minor}.{version.micro}")
    return True

def check_dependencies():
    """检查基本依赖"""
    try:
        import flask
        print("✅ Flask已安装")
        return True
    except ImportError:
        print("❌ Flask未安装")
        print("正在安装依赖...")
        try:
            subprocess.check_call([sys.executable, '-m', 'pip', 'install', '-r', 'requirements.txt'])
            print("✅ 依赖安装完成")
            return True
        except subprocess.CalledProcessError:
            print("❌ 依赖安装失败")
            return False

def main():
    """主函数"""
    print("🚀 CAE网格生成助手 - 快速启动")
    print("=" * 50)
    
    # 检查Python版本
    if not check_python_version():
        return 1
    
    # 检查依赖
    if not check_dependencies():
        return 1
    
    # 启动应用
    print("\n🌐 启动应用...")
    try:
        from app import create_app
        app = create_app()
        
        print("✅ 应用启动成功!")
        print("📱 访问地址: http://localhost:5000")
        print("⏹️  按 Ctrl+C 停止应用")
        print("-" * 50)
        
        app.run(host='0.0.0.0', port=5000, debug=False)
        
    except KeyboardInterrupt:
        print("\n👋 应用已停止")
    except Exception as e:
        print(f"❌ 启动失败: {e}")
        print("\n🔧 故障排除:")
        print("1. 检查是否有其他程序占用5000端口")
        print("2. 运行 'python scripts/deployment_check.py' 进行详细检查")
        print("3. 查看README.md获取更多帮助")
        return 1
    
    return 0

if __name__ == '__main__':
    sys.exit(main())