app.py

from flask import Flask, render_template, request
import os
import openai

app = Flask(__name__)

client = openai.OpenAI(api_key=os.environ.get("OPENAI_API_KEY"))

@app.route("/", methods=["GET", "POST"])
def index():
    story = ""
    if request.method == "POST":
        action = request.form.get("action")
        if action == "使用魔法":
            try:
                response = client.chat.completions.create(
                    model="gpt-3.5-turbo",
                    messages=[{"role": "user", "content": "你是一位幻想世界的敘述者。請描述角色施展魔法後的劇情，最多 80 字，語氣神秘、有趣。"}]
                )
                story = "你施展魔法後的結果是：「" + response.choices[0].message.content.strip() + "」"
            except Exception as e:
                story = f"⚠️ 錯誤發生：{str(e)}"
        else:
            story = f"你選擇了【{action}】，你決定踏出下一步……"
    return render_template("index.html", story=story)

if __name__ == "__main__":
    app.run(host="0.0.0.0", port=7860)