from flask import Flask, jsonify
import os
import sys

# 创建一个非常简单的Flask应用实例
app = Flask(__name__)

# 获取当前Python版本，用于诊断
python_version = sys.version

@app.route('/')
def home():
    """一个简单的主页路由，返回HTML"""
    # 打印日志，确认请求已到达
    print(">>> [Test App] Home route '/' was accessed.")
    return "<h1>Hello, TCM Expert Builder!</h1><p>The basic Flask app is running correctly.</p>"

@app.route('/health')
def health_check():
    """一个健康检查API端点，返回JSON"""
    print(">>> [Test App] Health check '/health' was accessed.")
    return jsonify({
        "status": "ok",
        "message": "The Gunicorn server is up and responding.",
        "python_version": python_version,
        "app_cwd": os.getcwd() # 打印当前工作目录
    })

# 这个文件不需要 if __name__ == '__main__':, 因为gunicorn会直接导入app实例